111 results about "Gaseous fire suppression" patented technology

1. The name of the design product: graphical user interface of configuration gas fire extinguishing controller and fire alarm controller for electronic equipment. 2. The use of the design product: for electronic equipment. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best shows the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: adjustment configuration of functions of the fire alarm system. 7. The human-computer interaction mode of the graphical user interface: design 1 front view shows the interface of the new device of project programming of the fire alarm system, by clicking the drop-down arrow of the "device type" column box, design 1 change state diagram 1 is entered to select the device type; after selecting the device type, by clicking the "new" button in design 1 front view, design 1 change state diagram 2 showing the "controller" module is entered. Design 2 front view shows the interface of the "loop" module of project programming of the fire alarm system, by clicking the "point view" button on the right side of an item, design 2 change state diagram is entered. Design 3 front view shows the interface of the "controller" module of project programming of the fire alarm system, by clicking the "gas extinguishing controller" button, design 3 change state diagram is entered. Design 4 front view shows the interface of the "linkage logic" module of project programming of the fire alarm system, by clicking a check box in "zone A", design 4 change state diagram 1 is entered; by selecting "linkage equation" in the column box below "linkage mode", design 4 change state diagram 2 is entered; by clicking the "details" on the right side of a label (for example, general linkage equation 001), design 4 change state diagram 3 is entered. Design 5 front view shows the interface of the "main mapping list" module of "Modbus" of project programming of the fire alarm system, by clicking the "backup mapping list" button, design 5 change state diagram is entered, and design 5 front reference diagram is used to show that design 5 front view can have a drop-down interface. Design 6 front view shows the interface of the "database upgrade and download" module of the connected device of the fire alarm system, by clicking the "upgrade controller firmware" button, design 6 change state diagram 1 is entered; by clicking the "history record export" button, design 6 change state diagram 2 is entered. 8. Other circumstances that need to be explained: other views are omitted. The symbol "X" in the interface views of design 1 to design 6 indicates that the content such as text, symbol, icon, etc. can be changed or replaced.

The utility model relates to the technical field of fire extinguishing devices, and discloses a multifunctional electrical fire alarm gas fire extinguishing system controller which comprises a shell and a base, a three-phase bus and a circuit element are arranged on the upper surface of the base, a temperature measuring frame is arranged on the outer surface of the three-phase bus, a hole is formed in the middle of the temperature measuring frame, and the temperature measuring frame is arranged in the hole. The three-phase bus passes through the hole and is connected with the temperature measuring frame; a temperature sensor is arranged in the temperature measuring frame, a fixed synapse is arranged in the hole, the fixed synapse is in circuit connection with the temperature sensor, a spring is arranged at one end, close to the hole, of the fixed synapse, and the fixed synapse is connected with the interior of the hole through the spring; the equipment solves the problems that in the prior art, when an electrical fire occurs, the three-phase bus joint in a fire extinguishing system controller is prone to overheating, so that the possibility of secondary explosion in the controller is caused, and potential safety hazards are greatly increased.

The invention relates to the technical field of power distribution cabinet alarm systems, and provides a smart power grid power distribution cabinet alarm device and a power distribution cabinet, the smart power grid power distribution cabinet alarm device comprises an environmental data detection module, an alarm module, a fire extinguishing module, an intelligent identification man-machine interaction module and a central controller with a display, the alarm module comprises an early warning module and an acoustoelectric module, the environment data detection module comprises an arc light detection module, a smoke concentration detection module, a temperature detection module and a flame detection module, and the fire extinguishing module comprises a plurality of gas fire extinguishing controllers, a plurality of gas fire extinguishers and a gas source box. The environment data detection module monitors the conditions of temperature, smoke, sparks, electric arcs, carbon monoxide, carbon dioxide and the like in the power distribution cabinet, the monitoring conditions are uploaded to the central controller after detection is completed, various data can be checked on the display, and the central controller sends instructions to the alarm module and the fire extinguishing module to cooperate with prevention alarm, rapid fire extinguishing and power distribution cabinet protection.

The invention relates to the technical field of button boxes, and discloses a ship gas fire extinguishing emergency remote control release button box which comprises a box body and further comprises a body part arranged on the box body; the number of the clamping parts is multiple, and the multiple clamping parts are all installed on the box body; the sealing part is arranged on the box body; the number of the limiting parts is multiple, and the multiple limiting parts are all installed on the box body; the clamping part comprises a sliding assembly, and the sliding assembly is arranged on the box body; and the transmission assembly is mounted on the box body. By arranging the clamping part, the problems that in the using process of an existing button box, the existing button box is difficult to adapt to the complex environment of continuous vibration and jolting in the ship navigation process, the wiring harness is loosened, displaced and even falls off along with vibration, then equipment signal transmission is interrupted, and a control instruction is difficult to effectively execute are solved.

The utility model relates to the technical field of gas fire extinguishing, in particular to a gas fire extinguishing device for a power distribution cabinet, which comprises a power distribution cabinet body, a storage tank, a gas guide mechanism and a gas suction mechanism, the storage tank is arranged in the power distribution cabinet body, the gas guide mechanism comprises a gas outlet pipe, a gas guide pipe, a shunt pipe, a gas spraying head and a rotating wind head, a first electromagnetic valve is arranged on the air outlet pipe, the air guide pipe is arranged on the air outlet pipe, the flow dividing pipes are arranged on the air guide pipe, the air spraying heads are arranged on the flow dividing pipes, and the rotating air heads are rotationally installed on the air spraying heads. The air suction mechanism comprises an air suction pipe, a filter box and an exhaust fan, the filter box and the exhaust fan are arranged at the upper end of the power distribution cabinet body, one end of the air suction pipe communicates with the power distribution cabinet body, and the other end communicates with the filter box; inert gas is sprayed out through rotation of the rotating wind head, the spraying range is enlarged, the diffusion speed is increased, the inert gas evenly and rapidly covers the whole power distribution cabinet, and the fire extinguishing efficiency is improved.

The utility model discloses an electrical wire mounting and fixing device for electrical engineering construction, and relates to the technical field of electrical engineering construction. The device comprises a bottom plate, wherein a heat conduction clamping plate is arranged at the top of the bottom plate; a fire extinguishing assembly is arranged at the top of the heat conduction clamping plate and comprises a gas storage box. According to the utility model, the threaded rod is driven to rotate through the driving motor, the sleeve rod is driven to rotate through the driving wheel, the belt and the driven wheel, the fan is driven to rotate through the fixing rod, and heat dissipation is carried out on the wiring part of the electrical wire; when the temperature is too high, it is indicated that a fire occurs at the wiring position, the first one-way valve and the second one-way valve are opened, a gas fire extinguishing agent heptafluoropropane used for restraining the fire in the gas storage tank blows to the wiring position of the electrical wire, fire extinguishing treatment is conducted in time, and the use safety of the electrical wire is improved.

The application relates to a kind of energy storage power station battery fire extinguishing test platform and test method, and the innovation lies in that: test platform includes energy storage battery simulation cabin, gas fire extinguishing system, compressed air foam fire extinguishing system, fire linkage controller and data acquisition system, the data acquisition system is used to collect the temperature of energy storage battery simulation cabin, the flow and pressure of gas fire extinguishing system and compressed air foam fire extinguishing system, test method steps are, through gas fire extinguishing system or compressed air foam fire extinguishing system or by gas fire extinguishing system and compressed air foam fire extinguishing system cooperate to extinguish fire in energy storage battery simulation cabin, after extinguishing fire, the data acquisition system collects the parameters after extinguishing fire again and feeds back to fire linkage controller.The application simulates the complex situation of battery fire in energy storage battery cabin, has multiple fire extinguishing modes, and tests the fire extinguishing performance of different modes, which can provide support for the fire extinguishing technology research and development test of diversified energy storage power station energy storage battery.

The invention discloses a gas fire extinguishing cabinet for a modularized intelligent machine room, belongs to the technical field of information communication, and aims to solve the problems that the state information of an existing fire extinguisher is not transparent, the visibility is poor, and remote monitoring cannot be realized. The fire extinguishing device comprises a cabinet body, a fire extinguishing agent storage tank, a pressure gauge, a scanning module, a display module and a network transmission module, the scanning module is arranged in a front door plate of the cabinet body and used for collecting pointer information of the pressure gauge and judging whether the pointer information is in a normal pressure range or not; the display module is arranged outside the cabinet body, is electrically connected with the scanning module and is used for displaying the state information of the pressure gauge in real time; and the network transmission module is in communication connection with the scanning module and is used for transmitting the state information of the pressure gauge to a remote fire-fighting management system. The invention is applied to the fire safety system of the modularized intelligent machine room.

The utility model discloses an anti-radiation pressure relief gas fire extinguishing door structure which comprises a door frame and a door body, the door body comprises a main frame, an anti-radiation lead plate is arranged on one side of the main frame and on the outer side of the door frame, and an outer protection steel plate covers the outer surface of the anti-radiation lead plate. An inner protection steel plate is arranged on the other side of the main frame and on the inner side of the door frame; a pressure relief frame is arranged at the lower end of the interior of the door body, a limiting frame is arranged on the inner side of the pressure relief frame, a movable pressure relief plate is arranged between the pressure relief frame and the limiting frame, a reset spring is arranged between the movable pressure relief plate and the pressure relief frame, a movable pressure relief groove is vertically formed in the movable pressure relief plate, and the movable pressure relief groove and the limiting frame are arranged in the movable pressure relief groove. Fixed pressure relief grooves are formed in the positions, corresponding to the movable pressure relief grooves, of the interior of the limiting frame, the pressure relief plates can be rapidly opened after being pressed, the pressure relief efficiency is guaranteed under the emergency situation, the fire fighting pressure relief requirement is met, the pressure relief plates are designed in a modularized mode and can be independently replaced, and the operation and maintenance cost is reduced.

The utility model discloses a fire extinguishing device and belongs to the technical field of fire safety. The fire extinguishing device comprises a fire extinguisher main body, a fire extinguishing agent and pressurized gas; the fire extinguisher body comprises a fire extinguishing agent storage tank, a liquid guide pipe, a valve and a nozzle, the nozzle is mounted at a top opening of the fire extinguishing agent storage tank, and one end of the liquid guide pipe extends to the bottom of the fire extinguishing agent storage tank while the other end is communicated with the nozzle through the valve. A fire extinguishing agent and pressurized gas are contained in the fire extinguishing agent storage tank, the fire extinguishing agent is liquid with an insulation characteristic, and the pressurized gas is gas with chemical inertness; according to the fire extinguishing device, the liquid with the insulation characteristic is sprayed out to extinguish fire, and the problem of secondary damage to high-end electronic devices due to electric conduction of the fire extinguishing agent can be avoided while fire hazards are eliminated.

The utility model belongs to the technical field of lithium battery fire fighting, and particularly relates to a combined fire extinguishing system and an electrochemical energy storage system, a gas fire extinguishing agent storage tank is connected with a pipe network through a pipeline, and a main switch valve I is arranged on the pipeline for connecting the gas fire extinguishing agent storage tank with the pipe network; the pipe network comprises a plurality of longitudinal branch pipes, the length directions of the longitudinal branch pipes are all arranged in the height direction of the space where the pipe network is located, a plurality of first spray heads are arranged on the longitudinal branch pipes, and the second spray heads are arranged in the height direction of the space where the pipe network is located. The first nozzles are arranged at intervals in the length direction of the longitudinal branch pipes where the first nozzles are located. The device is simple in structure and high in use flexibility, long-time continuous cooling and suppression can be carried out, the efficiency and reliability of open fire extinguishing and later suppression are improved, re-combustion and thermal runaway are prevented, and losses and potential safety hazards caused by re-combustion and thermal runaway are reduced.

The invention relates to a large-space gas fire extinguishing system test platform, which comprises a large-space platform main body, a fire detection system, a gas fire extinguishing system and a control system, the control system comprises a server and a control program stored in the server, when the control program is executed, whether a fire occurs and the type of the fire are judged, and if yes, the gas fire extinguishing system is started. And then a fire extinguishing strategy is generated, the fire extinguishing system is controlled to extinguish fire, whether reburning occurs or not is judged, and finally fire extinguishing is completed. A large-space fire extinguishing system test platform is constructed, multiple parameters are fused and verified mutually, accurate measurement of fire scene parameters and accurate judgment of the fire scene state are achieved, multi-point-position three-dimensional measurement is achieved through a small number of sensors, detailed data of fire scene spatial-temporal characteristic parameters near a fire source are conveniently obtained, and the fire extinguishing effect is improved. And the fire extinguishing effectiveness test of the multi-mode fire extinguishing system of global submerging and local fire extinguishing can be simultaneously carried out.

The invention discloses a critical fire extinguishing concentration testing method and device suitable for a non-azeotropic gas fire extinguishing agent, and belongs to the technical field of fire fighting, and the method comprises the steps of differentiated fire extinguishing agent filling, mass flow calibration, air and fire extinguishing agent steam volume flow correction and critical concentration calculation. The device comprises a filling part, a flow calibration part, a heating vaporization part and a fire extinguishing part, and the design of low-temperature condensation filling, high-pressure plunger pump conveying, high-temperature vaporization chamber vaporization and the like is adopted. A differential filling strategy of low-temperature condensation and high-pressure maintenance is provided, and the problem that low-boiling-point components are vaporized in advance is solved in cooperation with high-pressure plunger pump conveying and whole-course heat preservation pipeline design; a fire extinguishing agent is completely and uniformly vaporized by adopting a high-temperature vaporizing chamber, and an integrated testing device is constructed by combining an accurate calculation method of mass flow calibration and temperature correction. Accurate metering and stable testing of the non-azeotropic fire extinguishing agent are achieved, the result is reliable, core technical support is provided for research and development of a novel composite gas fire extinguishing agent, and universality and innovativeness are both achieved.

This invention relates to the field of aviation safety technology, and discloses a suppression device and control method for abnormal lithium battery fires in civil aviation. The device includes an openable, closable box-shaped suppression isolator, which consists of a flame-retardant intermediate layer, a metal partition inner layer, and a plastic outer layer. An integrated detection component monitors temperature, smoke, and characteristic gases. An extinguishing agent release component includes an aerosol extinguishing agent generator and a perfluorohexanone coolant storage tank. The control system performs graded early warning and linkage control based on multi-sensor data regarding thermal runaway intensity and lithium battery capacity. A fire-resistant sealed bag is connected to the isolator via a pressure relief valve to achieve directional emission of harmful gases. Through automatic detection, graded response, two-stage fire extinguishing cooling, and closed-loop feedback regulation, open flames can be quickly extinguished in a confined environment and reignition prevented, while simultaneously avoiding the spread of toxic fumes, thus improving the safety and efficiency of handling high-altitude lithium battery fires.

The invention discloses a fire extinguishing method and system for an energy storage container. The method comprises the steps that whether the internal environment of the energy storage container is changed or not is judged, a dangerous case is detected and sent back to a fire alarm controller, whether the energy storage container is in a controllable fire-fighting state or not is judged, and monitoring, exhausting and power-off operation is conducted based on the sent-back detection data. Whether the internal environment of the energy storage container is deteriorated or not is judged, a fire alarm controller is sent back when dangerous case upgrading is detected, whether the energy storage container is in an out-of-control dangerous case state or not is judged, and alarming, exhausting and fire extinguishing operation is conducted based on the current operation mode and the button state. Alarm, closing and fire extinguishing operations are carried out based on the current operation mode and the button state, the control mode can be switched, in the manual mode, only alarm is carried out without linkage with the gas fire extinguishing system to avoid maintenance mistaken spraying, and in the automatic mode, timing delay and suppression functions can cope with emergency scenes. And stable and reliable fire safety protection can be provided for the energy storage container, and the risk of fire disasters is effectively reduced.

The utility model provides a safe and optimized energy storage system and an integrated system, and the energy storage system comprises an energy storage management system, a battery cabinet, a battery cabin disposed in the battery cabinet, a battery module disposed in the battery cabin, a first detection unit, and a fire extinguishing unit. The detection unit and the fire extinguishing unit are electrically connected with the energy storage management system, the detection unit is used for detecting the operation state of the energy storage system, and the energy storage management system is used for controlling the fire extinguishing unit according to the operation state of the energy storage system. The fire extinguishing unit comprises a gas fire extinguishing module, a dry powder fire extinguishing module and a water-based fire extinguishing module, the gas fire extinguishing module is arranged in the battery cabin, the dry powder fire extinguishing module is arranged in the battery module, and the water-based fire extinguishing module is arranged in the battery cabinet. The safety of the energy storage system is high, and the safety and the reliability of the energy storage-data integration system applying the energy storage system are correspondingly improved.

The utility model discloses a gas fire extinguishing control panel which comprises a control panel body, an L-shaped mounting plate is arranged on one side of the top of the control panel body, a lighting lamp panel is arranged in the L-shaped mounting plate, a lug plate is hinged to the bottom of the lighting lamp panel, and one side of the lug plate is fixedly connected with the inner wall of the L-shaped mounting plate; the first spring is elastically connected between the inner wall of the L-shaped mounting plate and one side of the lighting lamp panel, the guide assembly is arranged at the top of the control panel body, and one end of the guide assembly is connected with one side of the L-shaped mounting plate; according to the scheme, the L-shaped mounting plate is movably mounted on the control panel body through the guide assembly, the illuminating lamp panel is mounted in the L-shaped mounting plate through the lug plate and the first spring, the illuminating lamp panel is electrically connected with the standby power supply in the control panel body, and the control panel body can be illuminated through starting of the illuminating lamp panel; therefore, the problem of personnel misoperation caused by darker light can be avoided as much as possible.

This invention provides a mine-use localized fire extinguishing inert gas fire extinguisher, relating to the field of phase change equipment technology for fire extinguishing materials. It includes a housing assembly, a feeding mechanism, an air intake and exhaust assembly, a heat exchange assembly, an external support component, a connecting support component, a drive motor, a material box assembly, and a support base. This invention connects the high-pressure fluid inlet of the ejector to the mine's compressed air system. Utilizing the jet principle, high-speed fluid from the compressed air system is introduced into the ejector. The fluid is mixed and accelerated through the low-pressure fluid inlet of the ejector, introducing air from the mine roadway. Therefore, the gas ejected by the ejector includes air from the mine's compressed air system and air from the mine roadway, serving as a heat source for phase change heat transfer. The gas ejected by the ejector is injected into the interior of the heat exchange tube. Since the heat exchange tube rotates continuously, heat exchange gas is introduced sequentially. After one rotation, the heat exchange tube passes through the ejector's outlet again, injecting new gas. The existing heat-exchanged gas flows out through the exhaust pipe.

The invention discloses a multi-dimensional safety protection integrated layout method of a compact space water electrolysis hydrogen production system, and belongs to the technical field of hydrogen energy safety technology and dangerous environment equipment layout. A hydrogen production system is integrated in a container prying body, and the safety protection layout in the container prying body comprises a hydrogen detection subsystem, a flame detection subsystem and a gas fire extinguishing subsystem. Hydrogen detectors of the hydrogen detection subsystem are arranged right above hydrogen production module equipment, above a pipeline valve group and at the highest point in a container; a flame detector of the flame detection subsystem is arranged at a detection visual angle covering equipment area and forms an overlapped monitoring area; and the fire extinguishing agent coverage range of a fire extinguishing nozzle of the gas fire extinguishing subsystem is spatially associated with and covered by the monitoring areas of the hydrogen detector and the flame detector. The purposes of three-dimensional, non-blind area and systematization of safety protection are achieved.

The utility model discloses a cabinet type gas fire extinguishing device which comprises a cabinet body, a fire extinguishing agent storage bottle and two groups of hoop components, and the fire extinguishing agent storage bottle is fixedly positioned in the cabinet body through the two groups of hoop components; each hoop assembly comprises a front hoop, a rear hoop and two lock bolt assemblies, the rear hoop is fixedly located in the cabinet body, the fire extinguishing agent storage bottle is located between the front hoop and the rear hoop, and the front hoop and the rear hoop are fixedly connected through the two lock bolt assemblies. The utility model has the advantages that the fire extinguishing agent storage bottle is convenient to fix, the front hoop is convenient to fix, and an operator can conveniently install the fire extinguishing agent storage bottle.

The utility model discloses a gas fire extinguishing device for a closed environment, which comprises a cabinet body and a fire extinguishing agent storage bottle positioned in the cabinet body, a pipe body is arranged at the output end of the fire extinguishing agent storage bottle, the gas fire extinguishing device further comprises a control frame, and two groups of positioning plates are respectively arranged on two sides of the output end of the pipe body and limit the pipe body. The pipe body can rotate along the axis of the positioning disc; the positioning disc is further provided with an inner spring for supporting the pipe body, the inner spring is heated to generate fatigue, and the orientation of the pipe body is changed. Furthermore, the control frame further comprises two sets of supporting frames fixed to the cabinet body. The orientation of the pipe body is automatically changed through the control frame under the condition that no human intervention exists, the orientation of the pipe body is changed under the condition that the fire disaster temperature rises, the range of releasing the fire extinguishing agent is increased, then human intervention is not needed, and the gold escape time is prevented from being influenced.

The invention discloses a small fire detection and fire extinguishing system developed based on a single-chip microcomputer, and relates to the technical field of fire extinguishing systems, the small fire detection and fire extinguishing system comprises a control device, a detection device and a gas fire extinguishing device, the control device is a fire control module, the detection device comprises a plurality of flame detectors, and the gas fire extinguishing device comprises a gas assembly and a pipeline accessory. The fire-fighting control module receives power supplied by an external power supply, provides a power supply for the detection device and the gas fire extinguishing device, and monitors an electromagnetic starter circuit and fire extinguishing starting of the gas fire extinguishing device, and the detection device transmits a fire alarm signal of a protection area and a fault signal of a detector to the fire-fighting control module through a passive contact; the gas fire extinguishing device is used for gas storage and fire extinguishing. The fire extinguishing system achieves automatic fire extinguishing and state monitoring through multiple safety mechanisms, intelligent control logic and reliable fire extinguishing execution capacity, and the automation level of fire prevention and control in a small protection area is effectively improved.

The application discloses a kind of data center fire control system equipment, including machine room and server, multiple the server is installed in the inside of machine room, and the two sides of the top of inside wall of the machine room are fixedly installed with smoke detector and temperature detector respectively, and the two sides of the top of the machine room are fixedly connected with alarm, the left side of the top of the machine room is installed with motor;It further includes: the top of the left and right sides in the inside of the machine room is fixedly penetrated with exhaust pipe.This data center fire control system equipment, inert gas fire extinguishing agent is sprayed onto server, to reduce the oxygen concentration in the machine room, prevent the fire from expanding, implement the effect of fire extinguishing, effectively avoid the internal fire of server and cause data loss, while the smoke and harmful gases in the machine room can be discharged, keep the air fresh, so as to reduce the damage of fire to server, and the alarm occurs alarm and can timely remind staff, improve safety.

The utility model relates to the technical field of gas fire extinguishing equipment, and discloses a fixing device for gas fire extinguishing equipment, which comprises an upper support and a lower support, the outer side of the upper support is provided with an adaptive component I, the adaptive component I comprises a connecting plate, and the outer cambered surface of the upper support is fixedly connected with the connecting plate. According to the fixing device for the gas fire extinguishing equipment, in the moving process, a connecting plate on the side face of an upper support extrudes a damping rod and a spring on the side face of a fixing plate fixedly connected with a first wall mounting plate, and meanwhile a linkage rod fixedly connected with an extending plate on the side face of the connecting plate synchronously slides in the fixing plate; furthermore, the two groups of upper brackets and the two groups of lower brackets are matched with the size of the gas fire extinguishing equipment and are used for clamping the gas fire extinguishing equipment, so that the gas fire extinguishing equipment with different diameter sizes can be matched in the whole operation process, the overall adaptability is better, and compared with an existing fixing frame, the whole fixing frame is more practical and convenient to use. And the function of the fixing frame is superior to that of the existing gas fire-extinguishing equipment.

The application relates to a European box transformer and relates to the technical field of box-type substations, which comprises a box body, the top of the box body is provided with a connecting mounting plate, the mounting plate is provided with a pressure relief cylinder penetrating through the top surface of the box body, a pressure relief film, a foamed metal block and an annular base are sequentially arranged in the pressure relief cylinder, a fire extinguishing device and a heat dissipation device are arranged in the box body, the fire extinguishing device comprises an air bag, a clamping block and a bimetallic strip, the heat dissipation device comprises a driving motor, a driving pipe and a fan blade, and a temperature sensor and a photosensitive sensor are further electrically connected with the driving motor. The application has the effects of effective pressure relief, fire extinguishing and heat dissipation. When the temperature in the box body is abnormal, timely response can be realized, the fire is extinguished by releasing fire extinguishing gas through the rupture of a heat-sensitive microcapsule layer, the heat dissipation device is started to dissipate heat by using a temperature sensor, and the spring sheet vibration sound plays an alarming role when pressure relief.

The invention relates to the technical field of fire extinguishing systems, and discloses a noise reduction type injection device for a gas fire extinguishing system, the noise reduction type injection device comprises a collecting pipe, the lower part of the collecting pipe is fixedly connected with a porous scattering pipe, the outer part of the lower end of the collecting pipe is sleeved with a first connecting sleeve, and the first connecting sleeve is internally provided with a guide chamber. According to the noise reduction type spraying device for the gas fire extinguishing system, a first porous plate and a second porous plate are mounted in the powder metallurgy porous shell, and a passing fire extinguishing agent is scattered through the first porous plate and the second porous plate; meanwhile, due to the fact that elastic telescopic sleeves are installed on the side faces of the first perforated plate and the second perforated plate and first sound absorption cotton and second sound absorption cotton are installed in second limiting sleeves, the first sound absorption cotton and the second sound absorption cotton absorb noise generated by the passing fire extinguishing agent, then the noise reduction effect is started, and it is ensured that in the fire extinguishing process, when gas passes through a pipeline, noise is reduced; therefore, the noise reduction effect is improved.

The invention belongs to the technical field of fire fighting, and discloses a miniature gas fire extinguisher and application, the miniature gas fire extinguisher comprises a gas fire extinguishing agent, a rigid container, a low-melting-point material release hole, a self-heating gas production material layer and a moisture-proof sealing material layer; the gas extinguishing agent is packaged in a rigid container, a plurality of low-melting-point material release holes are formed in the surface of the rigid container, and the surface of the rigid container is sequentially covered with a self-heating gas production material layer and a damp-proof sealing material layer from inside to outside. The miniature gas fire extinguisher can be directly used for fire extinguishing of miniature spaces (a battery box, an electric appliance cabinet, an electric appliance box, a socket, a cable groove, a file cabinet, an air conditioner cabinet and an engine compartment).

The utility model discloses an experimental device for measuring the compatibility of a non-metal sealing element and a gaseous extinguishing agent, which comprises a rod body, the upper end of the rod body is a threaded section, and the lower end of the rod body is a smooth section; a supporting piece is fixed to the lower end face of the rod body. The non-metal sealing element is arranged on the smooth section in a sleeving manner; the two extrusion gaskets sleeve the rod body up and down and are clamped on the two sides of the non-metal sealing piece; the lower surface of the lower extrusion gasket abuts against the upper surface of the supporting piece; and the locking nut is in threaded connection with the threaded section so as to apply axial pre-tightening force to enable the two extrusion gaskets to clamp the non-metal sealing element. According to the utility model, the problem that the compression condition of the non-metal sealing element during normal working cannot be copied by the existing method in the compatibility research of the gas extinguishing agent system is solved, and effective experimental data support is provided for the application and safety evaluation of the novel non-metal sealing element of the gas extinguishing agent system; and the safety and the reliability of the novel gas fire extinguishing system in the whole life cycle are obviously improved.