336 results about "Gaseous fire suppression" patented technology

A vehicle battery fire prevention system includes: a housing configured to provide an accommodation space in which a battery module is accommodated; a chamber configured to store a fire extinguishing gas to be sprayed into the housing in the form of fire extinguishing liquid; a fire extinguishing tube connected to the chamber, and extended into the housing along a predetermined path; and a control unit configured to control the spraying of the fire extinguishing gas through the fire extinguishing tube; wherein the control unit performs control so that spraying corresponding to a plurality of predetermined conditions for spraying into the accommodation space can be performed.

The invention discloses a fire treatment system and method applied to a rail transit lithium battery energy storage power station. The system mainly comprises a sensor module, a Bayesian network reasoning module, a gas fire extinguishing system, a water-based fire extinguishing system, a waste liquid treatment system and a control module. The sensors collect data such as temperature, smoke concentration, combustible gas concentration and humidity in the power station in real time and transmit the data to the control module, and the control module conducts probabilistic reasoning analysis on the real-time data according to a Bayesian network model and predicts the fire risk. At the initial stage of a fire, the system starts the gas fire extinguishing device and sprays perfluorohexanone for local suppression; and if the fire behavior expands, a high-pressure water mist system is switched to, and large-area fire extinguishing is carried out. Meanwhile, the waste liquid treatment system is started, waste liquid generated by fire extinguishing is collected, components of the waste liquid are monitored and treated, and it is ensured that emission meets the environmental protection standard. The system has the advantages of accurate early warning, efficient fire extinguishing, environment-friendly waste liquid treatment and the like, and is particularly suitable for safety protection of industrial energy storage power stations such as rail transit.

The invention discloses a gas fire extinguishing system suitable for tall and large space places and a control method.The gas fire extinguishing system comprises multiple layers of gas spraying areas which are distributed at intervals in the height direction of a fire extinguishing protection area, and the highest layer of gas spraying area comprises multiple first gas spraying pipes which are connected in a staggered mode and arranged in a net shape; each of the other layers of air injection areas comprises a plurality of second air injection pipes arranged around the fire extinguishing protection area; the gas outlet end of the fire extinguishing device is provided with a master control valve and is connected with a plurality of gas supply pipes, at least two first branch pipes branched from one gas supply pipe are connected with two first gas spraying pipes, a plurality of second branch pipes branched from the other gas supply pipes are correspondingly connected with a plurality of second gas spraying pipes in the same-layer gas spraying area, and each first branch pipe and each second branch pipe are respectively provided with a secondary selection valve; and the plurality of fire monitoring devices are used for monitoring whether a fire occurs in the fire extinguishing protection area or not in real time. According to the invention, uniform fire extinguishing design concentration in all directions can be rapidly formed in a high and large space at the initial stage of a fire, so that the fire extinguishing effect is greatly improved.

The invention, which relates to the technical field of the energy storage cabinet, discloses a liquid-cooled energy storage cabinet precise spot-spraying fire-fighting system comprising a control center connected with a data acquisition module, a data processing module, a data analysis module and a fire-fighting spot-spraying module. Regional division is performed on the interior of the energy storage cabinet, independent monitoring is performed on each region, whether a fire risk exists in each region or not is judged by acquiring operation parameters of each region, if the fire risk exists, an image acquisition unit arranged in each region is started to shoot pictures of the corresponding region, and the shot pictures are analyzed, so that the fire risk of the energy storage cabinet is judged. And whether fire points exist in the area or not is judged, and if the fire points exist, precise spot spraying is conducted on the fire point positions through the gas fire extinguishing end, so that precise spot spraying can be achieved when the fire risk occurs in the energy storage cabinet, fire of the energy storage cabinet can be eliminated in the initial stage, and larger losses are avoided.

The invention relates to the technical field of cables, and discloses a flame-retardant compartment type fireproof cable which comprises an inner core wire, a retainer, a filler block, an insulating sleeve and the like, the filler block is filled between the inner core wire and the retainer, and the retainer comprises an I-shaped sleeve, a partition plate, a flame-retardant compartment, an aerogel block, an annular flame-retardant plate, an elastic cover and the like. Aerogel blocks are arranged in the flame-retardant cabin, aerogel particles are arranged in the elastic cover, the elastic cover is communicated with the flame-retardant cabin through air guide holes, the exterior of the elastic cover is wrapped with an insulating sleeve, and in a fire disaster, the insulating sleeve is flame-retardant, and the aerogel blocks insulate heat and delay temperature rise; after the insulation sleeve is damaged, the aerogel releases gas to enable the elastic cover to expand and explode, the released gas extinguishes fire, air vibration generated by expansion and explosion of the elastic cover is utilized to give a sound alarm, fallen aerogel particles continuously release gas to enhance the effect, the damage time of elements in the cable is prolonged, the safety during a fire disaster is guaranteed, loss is reduced, and use is convenient and fast.

The invention relates to the technical field of monitoring and early warning, in particular to a gas fire extinguishing system monitoring and early warning method, system and equipment and a medium. According to the method, firstly, pressure and threshold data are collected according to a fixed time interval, and abnormal fluctuation is recognized by calculating a pressure difference value; when an abnormality is found, performing linear regression analysis by using historical data of abnormal fluctuation to obtain a pressure change trend line; intersection points of the trend line and the high-voltage threshold line or the low-voltage threshold line are calculated to correspond to a high-voltage risk point and a leakage risk point respectively, so that the remaining time of possible failure of the system is accurately predicted; and finally, according to the length of the prediction time, graded early warning information is sent out in time. According to the method, passive monitoring alarm is converted into active prediction early warning, and the problem of influence of temperature on pressure is effectively solved by introducing the concept of a real-time threshold value, so that early warning is more accurate and reliable, and sufficient preparation time is provided for system maintenance.

Gas pressure reducing and conveying device for an inert gas fire extinguishing system, comprising a valve body (02) attached to the inlet of a storage container (01), characterized in that a clamping sleeve (1) is attached to the gas outlet end of the valve body (02), the gas outlet end of the clamping sleeve (1) is provided with a gas outlet head (5) and a connection arrangement (6) for attaching the gas outlet head (5), the clamping sleeve (1) is open with a clamping groove (11), a pressure ring (3) is attached in the clamping groove (11), the pressure ring (3) bears against the gas outlet end of the valve body (02), and a pressure reducing element (2) is provided between the pressure ring (3) and the inside of the clamping groove (11) to limit the gas supply, the pressure reducing element (2) being provided with a limiting region (21) for limiting the gas supply, the area of ​​the limiting region (21) being smaller than the area of ​​the inner hole of the pressure ring (3).

The utility model discloses an aeronautical material vertical and horizontal combustion performance tester with a protection function, which relates to the technical field of horizontal combustion performance testers, and specifically comprises a supporting platform, a plurality of supporting legs arranged at the bottom of the supporting platform, a detection cabinet arranged above the supporting platform, a cabinet door rotationally arranged on one side of the detection cabinet, and a control cabinet arranged on the other side of the detection cabinet. The combustion performance tester further comprises two gas storage bottles arranged on one side of the supporting platform, inert gas is arranged in one gas storage bottle, combustible gas is arranged in the other gas storage bottle, and a bottle opening of the gas storage bottle with the inert gas is led into the detection cabinet through a gas conveying device. When the device is used, a material to be detected can be placed between the abutting plates to be clamped and fixed, then the height from the supporting plate to the burner is adjusted, after the distance is adjusted, the cabinet door can be closed for ignition testing, and if dangerous situations such as rapid flame combustion occur, inert gas can be sprayed out through the gas conveying pipeline to extinguish fire, so that the dangerous situations can be rapidly eliminated; and the safety protection function is achieved.

The invention discloses an automatic gas fire extinguishing power distribution cabinet based on a safety monitoring system, and relates to the technical field of power distribution cabinets. According to the automatic gas fire extinguishing power distribution cabinet based on the safety monitoring system, through the design of a composite mechanism, the power distribution box is used for storing electronic elements, the electric push rod controls the bearing plate to push the power distribution box to properly rise, rainwater soaking in heavy rain weather is prevented, water flow entering is reduced, damage to the electronic elements is avoided, and the maintenance cost is reduced; in the lifting process of the distribution box, the two sides of the distribution box are clamped and matched through the anti-deviation mechanism, excessive shaking of components during lifting is prevented, deviation faults are avoided, and therefore normal operation of the equipment is kept; contact with electronic components is reduced, damage to parts caused by dust and condensation is reduced, the fire extinguishing effect is prevented from being affected, and therefore the effect of reducing potential safety hazards of equipment is achieved.

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 utility model provides a box-type automatic gas fire extinguishing device, relates to the technical field of fire fighting equipment, and solves the problems that the fire extinguishing device is complicated in installation and use process, a fire extinguishing trigger device is low in sensitivity, and the action is delayed when a fire occurs. The box-type automatic gas fire extinguishing device comprises a first box body and a second box body which are both provided with openings; openings of the first box body and the second box body are oppositely arranged and are fixed by using bolts to form a combined box body; a gas cylinder is arranged in the combined box body; the opening of the gas cylinder is fixedly connected with the first interface of the connecting device; a second interface of the connecting device is fixedly connected with the nozzle; and a trigger device is arranged at an opening of the nozzle. According to the scheme of the utility model, the miniaturization of the automatic gas fire extinguishing device is realized, the installation and use convenience of the fire extinguishing device is improved, the sensitivity of the fire extinguishing trigger device is improved, the response time of the fire extinguishing action is shorter, and the fire extinguishing effect is better.

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 fire-fighting equipment detection, and discloses a gas tightness testing device for gas fire extinguishing equipment, which comprises a gas tightness detector and a supporting plate, the top end of the gas tightness detector is provided with a colored smoke generator, and the right end of the gas tightness detector is communicated with a guide pipe. According to the utility model, the colored smoke producer is arranged at the top end of the air tightness detector, so that colored smoke can be produced and injected into the fire extinguishing equipment body through pressurization of the guide pipe, and the leakage position is detected by observing the escape point of smoke, so that the leakage point can be quickly found; the situation that a detector cannot accurately judge leakage points of the fire extinguishing equipment body due to the refraction effect of water can be avoided, meanwhile, the fire extinguishing equipment body can be fixed through an adjusting lead screw, and therefore the detector does not need to steadily hold the fire extinguishing equipment body with hands; and the situation that a detector is possibly injured when pressurized gas injection is carried out on the fire extinguishing equipment body is avoided.

The application discloses a multi-component gas extinguishing agent composition, a capsule-based flexible fire extinguishing patch and a preparation method. The multi-component gas extinguishing agent composition comprises the following components: a chemical gas extinguishing agent, an oxygen scavenger, a light stabilizer, a polymerization inhibitor and a water scavenger. The chemical gas extinguishing agent comprises a main agent and a complexing agent, the main agent is perfluorohexanone, and the complexing agent is selected from one or more of 2-BTP, HFO-1336 and 8FE. The capsule-based flexible fire extinguishing patch comprises capsules and a fire-retardant patch, a plurality of capsules are pasted on the fire-retardant patch, the capsule comprises a wall material shell, the wall material shell is filled with the multi-component gas extinguishing agent composition, and the two ends of the wall material shell are sealed by using a sealing material. The fire extinguishing patch has the characteristics of large single fire extinguishing agent release amount, high efficiency, lightness, softness, high flexibility and wide applicability, and is suitable for small closed spaces, battery pack housings, flexible fire extinguishing blankets and other places and products.

The utility model relates to a gaseous fire extinguishing agent container valve with an integrated liquid level monitoring function and a fire extinguishing agent bottle group, the fire extinguishing agent bottle group is provided with the gaseous fire extinguishing agent container valve with the integrated liquid level monitoring function, and a container valve body is further provided with a liquid level signal acquisition assembly capable of monitoring the liquid level. The whole liquid level monitoring assembly, the container valve and the siphon form an integrated device, an independent liquid level monitoring device or a fire extinguishing agent leakage monitoring device does not need to be additionally arranged, the structure is compact, the action principle is simple and reliable, and the possibility that leakage points of gas fire extinguishing products are increased due to the fact that the monitoring device is additionally arranged is avoided.

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 present invention relates to a collaborative fire extinguishing method and device in a confined space, the method comprising: monitoring the real-time fire status in the confined space; if the real-time fire status reaches a preset alarm threshold, starting a gas fire extinguishing system to perform fire extinguishing treatment, wherein, in the process of fire extinguishing based on the gas fire extinguishing system, the dosage of the gas fire extinguishing agent and the flow rate per unit time are determined based on the volume of the confined space; after the fire extinguishing treatment is performed based on the gas fire extinguishing system, the first temperature in the confined space is continuously monitored, and if the first temperature is greater than a first preset temperature threshold, the liquid fire extinguishing system is started to perform fire extinguishing treatment, wherein the liquid fire extinguishing system performs intermittent release according to the real-time monitored temperature to make the temperature in the confined space lower than the first temperature. The present invention can achieve rapid fire extinguishing and effective cooling at the same time by developing a gas-liquid collaborative fire extinguishing strategy.

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 relates to the technical field of fire extinguishing systems, and discloses an external pressure storage type gas fire extinguishing system which comprises a fire extinguishing agent bottle set, a power bottle set is arranged on the right side of the fire extinguishing agent bottle set, a starting bottle set is arranged on the right side of the power bottle set, and a first container valve is arranged on the upper surface of the fire extinguishing agent bottle set; a first one-way valve is arranged at the air outlet end of the first container valve, and a collecting pipe is arranged above the first one-way valve; a power container valve of the power bottle group is jacked open through gas in the starting bottle group, nitrogen enters the bottom of a fire extinguishing agent from a power reversing valve through a gas inlet pipe, the fire extinguishing agent is stirred in the gas rising process, the nitrogen dissolving process of the fire extinguishing agent is accelerated, and the oxygen concentration in the space is reduced through a collecting pipe; and the designed use amount of the fire extinguishing agent is effectively saved.

The temperature control and fire fighting integrated energy storage cabinet comprises a cabinet body, a controller, a gas fire extinguishing mechanism and a plurality of fans, wherein the gas fire extinguishing mechanism and the fans are electrically connected with the controller; the cabinet body is provided with an air inlet and an air outlet which are communicated with the interior of each grid opening at the position corresponding to each grid opening, an electromagnetic three-way valve electrically connected with the controller is installed in the air inlet, and an anti-explosion ventilation valve is installed in the air outlet; an inverter and a temperature sensor which are electrically connected with the controller, and a battery module connected with the inverter are arranged in each cabinet body; the multiple fans are installed on the cabinet body, air outlets of the multiple fans communicate with first air inlets of the electromagnetic three-way valves of the multiple grids in a one-to-one correspondence mode, and the output end of the gas fire extinguishing mechanism communicates with second air inlets of the electromagnetic three-way valves of the multiple grids through pipelines correspondingly. According to the invention, the temperature of each battery module can be monitored in real time, and heat dissipation or fire extinguishing can be carried out according to the temperature of each battery module.

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 invention discloses an airborne gas fire extinguishing system and a fire extinguishing method, and belongs to the field of fire extinguishing technology, the system comprises a driving gas storage device, the driving gas outlet of the driving gas storage device is connected with the input port of a graded gas supply device through a gas conveying pipeline, and the graded gas supply device is connected with the driving gas storage device; a plurality of output ports of the graded gas supply device are respectively connected with a driving gas inlet of the fire extinguishing agent storage device, a driving gas inlet of the double-fluid atomization device and a fire extinguishing agent output pipeline connected with the fire extinguishing agent storage device through gas pipelines; the fire extinguishing agent storage device is used for storing a high-boiling-point gas fire extinguishing agent in a liquid state, and a fire extinguishing agent output port of the fire extinguishing agent storage device is connected with a fire extinguishing agent input port of the double-fluid atomization device through the fire extinguishing agent output pipeline. By means of the system and the related fire extinguishing method, the problems that in the cabin environment, the high-boiling-point fire extinguishing agent is poor in atomization effect, low in diffusion speed and the like are solved.

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.

Disclosed in the present invention are a simple multi-level fire-fighting protection system and method for an electrochemical energy storage system. The simple multi-level fire-fighting protection system comprises an energy storage container, pack-level fire-extinguishing apparatuses and installation-level fire-extinguishing apparatuses, wherein several battery clusters are arranged in the energy storage container, several battery pack boxes are arranged in each battery cluster, an installation-level fire-fighting subsystem for overall fire-fighting protection of the energy storage container is arranged in the energy storage container, and a pack-level fire-fighting subsystem for fire-fighting protection of an individual battery pack box is arranged on each battery pack box; the installation-level fire-fighting subsystem comprises a power-on detection assembly, gas fire-extinguishing controllers and the installation-level fire-extinguishing apparatuses, which are arranged in the container, and the power-on detection assembly cooperates with the corresponding installation-level fire-extinguishing apparatuses by means of the corresponding gas fire-extinguishing controllers to realize delayed start-up; and each pack-level fire-fighting subsystem comprises a physical detection assembly and a corresponding pack-level fire-extinguishing apparatus, and the physical detection assembly cooperates with the corresponding pack-level fire-extinguishing apparatus to realize start-up. By means of multi-level cooperation, the present invention improves the effect and reduces costs.

The invention relates to an infrared human body detection feedback device, which comprises a plurality of device bodies, a communication module and a wiring module are arranged in each device body, two detection rollers are arranged at the bottom of each device body, a red-green double-color alarm lamp is arranged at the top of each device body, a loudspeaker is arranged at the side part of each device body, and a loudspeaker is arranged at the side part of each device body. A state indicating lamp and a function button are arranged on the front end face of the device body. The feedback device is additionally arranged on a circuit of the gas fire extinguishing alarm system, abnormal conditions in a room are fed back by monitoring entering and exiting of personnel in the room, and the situation that the fire extinguishing system is forgotten to be set to be in an automatic mode when the personnel leave is avoided.