A complex fire situation firefighter close-range fire extinguishing and control system

Abstract

The application relates to the technical field of fire rescue equipment technology, and discloses a complex fire situation firefighter close-range fire extinguishing and fire control system which comprises a wearable intelligent sensing and protection subsystem, an adaptive multi-mode fire extinguishing jet subsystem, a partition isolation fire control plugging subsystem, an edge computing vehicle-mounted main control subsystem and an audible and visual danger avoidance linkage early warning subsystem; the wearable intelligent sensing and protection subsystem, the adaptive multi-mode fire extinguishing jet subsystem and the partition isolation fire control plugging subsystem are all signal-connected with the edge computing vehicle-mounted main control subsystem. The complex fire situation firefighter close-range fire extinguishing and fire control system can construct an integrated closed-loop operation system integrating sensing, judgment, fire extinguishing, fire control and danger avoidance, can give consideration to the three functions of accurate fire extinguishing, partition fire control and personnel protection, is suitable for close-range rescue scenes in narrow, closed and complex fire scenes, can effectively reduce the close-range fire extinguishing injury and death risk of firefighters, and can improve the complex fire situation disposal efficiency.

Description

Technical Field

[0001] This invention relates to the field of fire rescue equipment technology, specifically a close-range fire extinguishing and control system for firefighters in complex fire situations. Background Technology

[0002] At present, urban fires are becoming more complex, enclosed, and three-dimensional. Fires in high-rise residential building corridors, underground pipe corridors, enclosed power distribution rooms, and indoor equipment mezzanines have five typical characteristics: high smoke density completely obscures vision, sudden rise in fire temperature makes it easy to suddenly ignite, fire spreads in both horizontal and vertical directions, there are many hidden smoldering and reignition points, and large equipment cannot enter the confined space. Firefighters must carry out close-range firefighting operations.

[0003] Currently, traditional fire hoses lack integrated fire sensing equipment, relying solely on firefighters' visual observation of the fire situation. In dense smoke environments, it is impossible to clearly see the location of open flames and the path of fire spread. Furthermore, conventional thermal imaging equipment is prone to malfunctioning in high-temperature steam environments, failing to identify smoldering ignition points and flashover precursors, making firefighters highly susceptible to accidentally entering high-risk flashover zones. Additionally, traditional individual fire hoses only support a single direct-flow spray mode, making them unsuitable for oil fires, electrical fires, and scenarios requiring cooling in high-temperature, dense smoke. They also cannot automatically switch extinguishing media based on the fire situation, resulting in poor targeting and prolonged firefighting time. Moreover, existing equipment... The equipment cannot simultaneously stop the spread of fire during close-range rescue. After the open flame is extinguished, the smoke flows back and reignites, causing the fire to spread rapidly and easily block the escape routes of firefighters, resulting in trapped injuries and deaths. Traditional protective clothing only relies on the fabric for passive heat insulation and cannot actively reduce heat radiation from the body surface. At the same time, it lacks an active early warning function for fire risks, so firefighters cannot predict sudden dangers such as flashover and backfire and can only passively withstand the impact of the fire. The existing integrated fire-fighting protective equipment has a bulky structure and cannot be adapted to narrow corridors, mezzanines and other confined spaces for close-range rescue. The manual operation is labor-intensive and delays the golden time for fire-fighting and rescue.

[0004] In summary, existing individual close-range firefighting equipment cannot achieve integrated operations encompassing fire situation awareness, intelligent assessment, adaptive firefighting, zoned fire control, and proactive hazard avoidance, making it difficult to meet the demands of today's complex and multi-dimensional fire rescue needs. Therefore, developing a close-range firefighting system adaptable to complex fire situations across all scenarios and possessing proactive fire control and intelligent hazard avoidance capabilities is an urgent technical problem that needs to be solved in the fire and rescue field. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a close-range fire extinguishing and control system for complex fire situations. It solves the pain points of existing equipment, such as blind fire suppression, limited modes, lack of fire control and containment capabilities, lack of active hazard avoidance, and poor adaptability to confined spaces. It achieves intelligent operation throughout the entire process of complex fire scene detection, analysis, precise fire suppression, simultaneous fire control, and active hazard avoidance, comprehensively ensuring the safety of firefighters during close-range rescues and improving the efficiency of handling complex fire situations. It solves problems such as lack of fire scene perception capabilities, extremely high risks of blind fire suppression; limited fire suppression modes that cannot adapt to diverse and complex fire situations; difficulty in controlling fires despite easy extinguishing, and poor fire containment effects; lack of an integrated hazard avoidance and linkage mechanism, resulting in insufficient passive protection safety; and bulky equipment with poor flexibility in confined spaces.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a close-range fire extinguishing and control system for firefighters in complex fire situations, comprising a wearable intelligent sensing and protection subsystem, an adaptive multi-mode fire extinguishing jet subsystem, a zoned isolation fire control and sealing subsystem, an edge computing vehicle-mounted main control subsystem, and an audio-visual hazard avoidance linkage early warning subsystem;

[0009] The wearable intelligent sensing and protection subsystem, the adaptive multi-mode fire extinguishing jet subsystem, and the zoned isolation fire control and sealing subsystem are all connected to the edge computing vehicle main control subsystem via signals. The input end of the sound and light hazard avoidance linkage early warning subsystem is electrically connected to the edge computing vehicle main control subsystem.

[0010] The wearable intelligent sensing and protection subsystem includes a fire protection helmet, flame-retardant and heat-insulating protective clothing, a multi-source integrated sensing module, and a human vital signs monitoring module. The multi-source integrated sensing module integrates an infrared thermal imaging camera, a high-temperature temperature sensor, a toxic smoke concentration sensor, and a space pressure sensor to collect real-time environmental data and open flame distribution data of the entire fire scene.

[0011] The adaptive multi-mode fire extinguishing jet subsystem includes a high-pressure water supply main, a mode switching solenoid valve, a DC fire extinguishing nozzle, a fine water mist cooling nozzle, a foam fire extinguishing nozzle, and an electric angle adjustment platform. The DC fire extinguishing nozzle, the fine water mist cooling nozzle, and the foam fire extinguishing nozzle are arranged in a triangular pattern and fixed to the front end of the electric angle adjustment platform.

[0012] The partitioned isolation fire control and sealing subsystem includes two sets of foldable flexible fireproof baffles, electric telescopic push rods, positioning magnetic bases, and smoke diversion fans. The two sets of foldable flexible fireproof baffles are symmetrically arranged to quickly build temporary fire isolation zones inside the fire scene to block the lateral spread of fire and the backflow of smoke.

[0013] The edge computing vehicle-mounted main control subsystem has built-in fire AI recognition algorithm, flashover risk prediction model and jet adaptive control model, which are used to receive sensing data in real time, automatically judge the fire level, fire spread direction and flashover hazard precursors, and issue corresponding control commands.

[0014] The sound and light hazard avoidance linkage early warning subsystem includes a high-decibel sound and light alarm, a wearable back active cooling fan, and an emergency one-button retraction switch, which are used to provide simultaneous sound and light early warning, active cooling of the human body, and reminders to firefighters to evacuate in high-risk fire situations.

[0015] Preferably, the multi-source integrated sensing module is embedded in the front end of the fire protection helmet, and the infrared thermal imaging camera has the function of imaging through dense smoke, eliminating the visual blind spots caused by dense smoke in the fire scene, and solving the problem of the inability to locate open flames due to the white fog of thermal imaging in the fire scene.

[0016] Furthermore, the infrared thermal imaging camera on the helmet is equipped with a high-temperature steam-resistant algorithm, which effectively solves the problem of white and unusable thermal imaging images caused by steam in the fire scene, accurately locates hidden smoldering fire points, and predicts the risk of flashover caused by a sudden rise in fire temperature.

[0017] Preferably, the mode switching solenoid valves are independently connected to the DC fire extinguishing nozzle, the fine water mist cooling nozzle, and the foam fire extinguishing nozzle, respectively. The edge computing vehicle main control subsystem automatically switches according to the fire situation: DC direct fire extinguishing is selected for high-temperature open flames, fine water mist mode is selected for cooling the entire fire area, and foam coverage fire extinguishing is selected for oil reignition fires.

[0018] Furthermore, the three sets of fire extinguishing nozzles are independently controlled and do not interfere with each other. They can be turned on individually or in combination, taking into account multiple needs such as extinguishing open flames, cooling the fire scene, and covering for flame retardancy.

[0019] Preferably, the electric angle-adjustable gimbal supports automatic tilt and rotation of ±90° horizontally and ±60° vertically, eliminating the need for firefighters to manually adjust the spray angle, and is suitable for close-range fire extinguishing situations such as smoldering fires at high altitudes and flowing fires on the ground.

[0020] Furthermore, the gimbal has a built-in high-precision angle encoder that can automatically follow and aim at the coordinates of the open flame identified by thermal imaging, enabling automatic tracking and spraying of the fire point. This avoids firefighters having to hold the gimbal close to the fire point and reduces the exposure time of firefighters to high-temperature flames.

[0021] Preferably, the foldable flexible fireproof baffle is made of double-layer aramid flame-retardant fabric composite aerogel heat insulation interlayer, and the overall thickness after folding is ≤3cm, which is suitable for use in narrow rescue spaces such as narrow corridors and equipment interlayers.

[0022] Furthermore, the lightweight and foldable design of the foldable fireproof baffle allows it to fit snugly against the outer wall of the equipment when folded up, without affecting firefighters' normal walking, climbing, and crouching rescue actions. When unfolded, it quickly forms a sealed isolation barrier.

[0023] Preferably, the positioning magnetic base has a built-in strong magnetic adsorption block, which can be quickly adsorbed and fixed to the surface of steel structure walls and metal fire door frames, and the isolation baffle can be fixed without manual support, reducing the workload of firefighters.

[0024] Furthermore, the magnetic base adopts an anti-slip and shock-resistant strong magnetic structure, which will not fall off or shift under the conditions of ground vibration and airflow impact in the fire scene. No additional drilling is required to install fasteners, and disassembly and assembly are undamaged. It can be quickly and undamagedly disassembled and reused after the rescue is completed.

[0025] Preferably, the human vital signs monitoring module monitors the firefighter's heart rate, blood oxygen, and body surface temperature in real time. When abnormal human vital signs are superimposed on high-risk signals in the fire scene, the system will prioritize triggering the sound and light hazard avoidance linkage early warning subsystem to forcibly remind personnel to evacuate from the danger zone.

[0026] Furthermore, the system adopts a dual-threshold linkage judgment logic, which will not trigger false alarms if a single fire danger signal or a single abnormal physical sign is not detected. Only when both environmental danger and abnormal physical signs are triggered will the risk avoidance be activated, effectively avoiding false alarm interference and improving the reliability of fire early warning.

[0027] A method for firefighters to extinguish and control fires at close range in complex fire situations includes the following steps:

[0028] S1. Pre-battle self-check: Firefighters put on full protective gear, and the system automatically completes a full-area self-check of sensors, nozzles, baffles, and circuits. After confirming that there are no errors, the system enters the rescue standby state.

[0029] S2, Fire Scene Full-Domain Perception: After entering a complex fire scene, the multi-source integrated perception module synchronously collects fire scene temperature, toxic smoke, air pressure, and thermal imaging open flame data, and transmits them back to the edge computing vehicle main control subsystem in real time.

[0030] S3. Intelligent fire situation assessment: AI algorithm identifies fire spread path, smoldering and reignition points, and flashover precursors, and divides the core fire extinguishing zone, smoke diffusion zone, and high-risk danger zone.

[0031] S4. Adaptive fire suppression control: Automatically switches fire suppression nozzle modes based on the assessment results, and synchronously adjusts the gimbal spray angle to accurately target open flames for close-range fire suppression.

[0032] S5. Zoned fire control: Simultaneously activate the electric telescopic push rod to deploy two sets of flexible fireproof baffles, build a temporary fireproof isolation belt, and block the spread of fire to the escape route and the rear rescue area;

[0033] S6. Real-time risk avoidance and protection: Monitors fire risks and human vital signs throughout the process. In the event of any of the following situations: flashover, excessive temperature, or abnormal vital signs, an audible and visual alarm will be activated immediately, along with active back cooling, to prompt firefighters to evacuate quickly.

[0034] S7. Reset Operation: After the fire extinguishing and fire control operation is completed, retract the fireproof baffle, shut off the water supply system, and reset the entire set of equipment.

[0035] (III) Beneficial Effects

[0036] Compared with existing technologies, this invention provides a close-range fire extinguishing and control system for complex fire situations, which has the following beneficial effects:

[0037] 1. This complex fire situation close-range fire extinguishing and control system for firefighters, equipped with an anti-steam thermal imaging camera, completely solves the industry problem of thermal imaging failure caused by high-temperature steam in the fire scene. It can accurately identify open flames, smoldering points and flashover precursors in dense smoke and high-temperature environments, completely eliminating blind fire extinguishing operations.

[0038] 2. This complex fire situation close-range fire extinguishing and control system for firefighters can automatically switch between three fire extinguishing modes: direct current, fine water mist cooling, and foam coverage. These modes are suitable for solid open flames, fire cooling, and oil / electrical fires, respectively. Firefighters do not need to manually change equipment, which greatly improves fire extinguishing efficiency.

[0039] 3. This fire-fighting and fire-control system for complex fire situations, by innovatively adding foldable isolation barriers, can quickly build firebreaks while extinguishing fires, blocking the spread of fire to firefighters' escape routes and avoiding the risk of firefighters being trapped from the source.

[0040] 4. This complex fire situation close-range fire extinguishing and control system abandons the traditional cloud transmission solution and adopts vehicle-mounted edge computing to process data locally. It can still work stably in areas without base station signals, such as underground pipe corridors and enclosed rooms, and is suitable for complex fire scenes in all scenarios.

[0041] 5. This complex fire situation close-range fire extinguishing and control system for firefighters simultaneously monitors the fire scene environment risk and the firefighter's physical condition, triggering early warning based on dual parameters. Combined with the active cooling structure on the back, it achieves passive heat insulation and active risk avoidance dual protection, maximizing the personal safety of firefighters.

[0042] 6. This fire-fighting and fire-control system for complex fire situations can be folded and stored in an ultra-thin manner through the fire control baffle. The whole set of equipment has a high degree of integration and low weight, and is suitable for all narrow close-range rescue spaces such as corridors, mezzanines, and pipe corridors. Attached Figure Description

[0043] Figure 1 This is a block diagram of the overall system structure of the present invention;

[0044] Figure 2 This is a schematic diagram of the wearable intelligent sensing and protection subsystem of the present invention;

[0045] Figure 3 This is a schematic diagram of the adaptive multi-mode fire extinguishing jet subsystem of the present invention;

[0046] Figure 4 This is a schematic diagram of the partitioned isolation fire control and blocking subsystem of the present invention. Detailed Implementation

[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0048] Reference Figure 1-4 A fire-fighting and fire-control system for firefighters in complex fire situations includes a wearable intelligent sensing and protection subsystem, an adaptive multi-mode fire-fighting jet subsystem, a zoned isolation fire control and sealing subsystem, an edge computing vehicle-mounted main control subsystem, and an audio-visual hazard avoidance linkage early warning subsystem.

[0049] The wearable intelligent sensing and protection subsystem, the adaptive multi-mode fire extinguishing jet subsystem, and the zoned isolation fire control and sealing subsystem are all connected to the edge computing vehicle main control subsystem via signals. The input end of the sound and light hazard avoidance linkage early warning subsystem is electrically connected to the edge computing vehicle main control subsystem.

[0050] The wearable intelligent sensing and protection subsystem includes a fire protection helmet, flame-retardant and heat-insulating protective clothing, a multi-source integrated sensing module, and a human vital signs monitoring module. The multi-source integrated sensing module integrates an infrared thermal imaging camera, a high-temperature temperature sensor, a toxic smoke concentration sensor, and a space pressure sensor to collect real-time environmental data and open flame distribution data of the entire fire scene.

[0051] The adaptive multi-mode fire extinguishing jet subsystem includes a high-pressure water supply main, a mode switching solenoid valve, a DC fire extinguishing nozzle, a fine water mist cooling nozzle, a foam fire extinguishing nozzle, and an electric angle adjustment platform. The DC fire extinguishing nozzle, the fine water mist cooling nozzle, and the foam fire extinguishing nozzle are arranged in a triangular pattern and fixed to the front end of the electric angle adjustment platform.

[0052] The partitioned isolation fire control and sealing subsystem includes two sets of foldable flexible fireproof baffles, electric telescopic push rods, positioning magnetic bases, and smoke diversion fans. The two sets of foldable flexible fireproof baffles are symmetrically arranged to quickly build temporary fire isolation zones inside the fire scene to block the lateral spread of fire and the backflow of smoke.

[0053] The edge computing vehicle-mounted main control subsystem has built-in fire AI recognition algorithm, flashover risk prediction model and jet adaptive control model, which are used to receive sensing data in real time, automatically judge the fire level, fire spread direction and flashover hazard precursors, and issue corresponding control commands.

[0054] The sound and light hazard avoidance linkage early warning subsystem includes a high-decibel sound and light alarm, a wearable back active cooling fan, and an emergency one-button retraction switch, which are used to provide simultaneous sound and light early warning, active cooling of the human body, and reminders to firefighters to evacuate in high-risk fire situations.

[0055] The multi-source integrated sensing module is embedded in the front of the fire protection helmet. The infrared thermal imaging camera has the function of imaging through dense smoke, eliminating the visual blind spots caused by dense smoke in the fire scene, and solving the problem of the inability to locate open flames due to the white image of thermal imaging in the fire scene. The infrared thermal imaging camera on the helmet is equipped with a high-temperature steam-resistant algorithm, which effectively solves the problem of the white image of thermal imaging caused by steam in the fire scene, accurately locates hidden smoldering fire points, and predicts the risk of flashover caused by a sudden increase in fire temperature.

[0056] The mode switching solenoid valves are independently connected to the DC fire extinguishing nozzle, the fine water mist cooling nozzle, and the foam fire extinguishing nozzle. The edge computing vehicle-mounted main control subsystem automatically switches according to the fire situation: DC direct fire extinguishing is selected for high-temperature open flames, fine water mist mode is selected for cooling the entire fire area, and foam coverage is selected for oil reignition fires. The three sets of fire extinguishing nozzles are independently controlled and do not interfere with each other. They can be turned on individually or in combination, taking into account multiple needs such as open flame extinguishing, fire cooling, and flame retardant coverage.

[0057] The electric angle-adjustable gimbal supports automatic tilt and rotation of ±90° horizontally and ±60° vertically, eliminating the need for firefighters to manually adjust the spray angle. It is suitable for close-range firefighting situations such as smoldering fires at high altitudes and flowing fires on the ground. The gimbal has a built-in high-precision angle encoder, which can automatically follow and aim at the open flame coordinates identified by thermal imaging, realizing automatic tracking and spraying of the fire point. This avoids firefighters having to hold the gimbal close to the fire point and reduces the exposure time of firefighters to high-temperature flames.

[0058] The foldable flexible fireproof baffle is made of double-layer aramid flame-retardant fabric composite aerogel heat insulation interlayer. The overall thickness after folding is ≤3cm, which is suitable for use in narrow rescue spaces such as narrow corridors and equipment mezzanines. The lightweight and foldable design of the foldable fireproof baffle can fit the outer wall of the equipment after storage without affecting the firefighter's normal walking, climbing, bending and other rescue actions. After unfolding, it quickly forms a closed isolation barrier.

[0059] The positioning magnetic base has a built-in strong magnetic adsorption block, which can be quickly adsorbed and fixed to the surface of steel structure walls and metal fire door frames. The isolation baffle can be fixed without manual support, reducing the workload of firefighters. The magnetic base adopts a non-slip and shock-resistant strong magnetic structure, which will not fall off or shift under the conditions of ground vibration and airflow impact in the fire scene. No additional drilling is required to install fixing parts, and disassembly and assembly are undamaged. It can be quickly and undamagedly disassembled and reused after the rescue.

[0060] The human vital signs monitoring module monitors firefighters' heart rate, blood oxygen, and body surface temperature in real time. When abnormal human vital signs are combined with high-risk signals in the fire scene, the system will prioritize triggering the sound and light hazard avoidance linkage early warning subsystem to forcibly remind personnel to evacuate the danger zone. The system adopts a dual threshold linkage judgment logic, so a single fire scene danger signal or a single abnormal vital signs will not trigger a false alarm. Only when both environmental danger and abnormal human vital signs are triggered will hazard avoidance be activated, effectively avoiding false alarm interference and improving the reliability of fire scene early warning.

[0061] The overall workflow of this invention is as follows:

[0062] S1. Pre-battle self-check: Firefighters put on full protective gear, and the system automatically completes a full-area self-check of sensors, nozzles, baffles, and circuits. After confirming that there are no errors, the system enters the rescue standby state.

[0063] S2, Fire Scene Full-Domain Perception: After entering a complex fire scene, the multi-source integrated perception module synchronously collects fire scene temperature, toxic smoke, air pressure, and thermal imaging open flame data, and transmits them back to the edge computing vehicle main control subsystem in real time.

[0064] S3. Intelligent fire situation assessment: AI algorithm identifies fire spread path, smoldering and reignition points, and flashover precursors, and divides the core fire extinguishing zone, smoke diffusion zone, and high-risk danger zone.

[0065] S4. Adaptive fire suppression control: Automatically switches fire suppression nozzle modes based on the assessment results, and synchronously adjusts the gimbal spray angle to accurately target open flames for close-range fire suppression.

[0066] S5. Zoned fire control: Simultaneously activate the electric telescopic push rod to deploy two sets of flexible fireproof baffles, build a temporary fireproof isolation belt, and block the spread of fire to the escape route and the rear rescue area;

[0067] S6. Real-time risk avoidance and protection: Monitors fire risks and human vital signs throughout the process. In the event of any of the following situations: flashover, excessive temperature, or abnormal vital signs, an audible and visual alarm will be activated immediately, along with active back cooling, to prompt firefighters to evacuate quickly.

[0068] S7. Reset Operation: After the fire extinguishing and fire control operation is completed, retract the fireproof baffle, shut off the water supply system, and reset the entire set of equipment.

[0069] It should be noted that the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0070] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A close-range fire extinguishing and control system for complex fire situations, characterized in that, It includes a wearable intelligent sensing and protection subsystem, an adaptive multi-mode fire extinguishing jet subsystem, a zoned isolation fire control and sealing subsystem, an edge computing vehicle-mounted main control subsystem, and an audio-visual hazard avoidance linkage early warning subsystem; The wearable intelligent sensing and protection subsystem, the adaptive multi-mode fire extinguishing jet subsystem, and the zoned isolation fire control and sealing subsystem are all connected to the edge computing vehicle main control subsystem via signals. The input end of the sound and light hazard avoidance linkage early warning subsystem is electrically connected to the edge computing vehicle main control subsystem. The wearable intelligent sensing and protection subsystem includes a fire protection helmet, flame-retardant and heat-insulating protective clothing, a multi-source integrated sensing module, and a human vital signs monitoring module. The multi-source integrated sensing module integrates an infrared thermal imaging camera, a high-temperature temperature sensor, a toxic smoke concentration sensor, and a space pressure sensor to collect real-time environmental data and open flame distribution data of the entire fire scene. The adaptive multi-mode fire extinguishing jet subsystem includes a high-pressure water supply main, a mode switching solenoid valve, a DC fire extinguishing nozzle, a fine water mist cooling nozzle, a foam fire extinguishing nozzle, and an electric angle adjustment platform. The DC fire extinguishing nozzle, the fine water mist cooling nozzle, and the foam fire extinguishing nozzle are arranged in a triangular pattern and fixed to the front end of the electric angle adjustment platform. The partitioned isolation fire control and sealing subsystem includes two sets of foldable flexible fireproof baffles, electric telescopic push rods, positioning magnetic bases, and smoke diversion fans. The two sets of foldable flexible fireproof baffles are symmetrically arranged to quickly build temporary fire isolation zones inside the fire scene to block the lateral spread of fire and the backflow of smoke. The edge computing vehicle-mounted main control subsystem has built-in fire AI recognition algorithm, flashover risk prediction model and jet adaptive control model, which are used to receive sensing data in real time, automatically judge the fire level, fire spread direction and flashover hazard precursors, and issue corresponding control commands. The sound and light hazard avoidance linkage early warning subsystem includes a high-decibel sound and light alarm, a wearable back active cooling fan, and an emergency one-button retraction switch, which are used to provide simultaneous sound and light early warning, active cooling of the human body, and reminders to firefighters to evacuate in high-risk fire situations.

2. The fire suppression and control system for complex fire situations by firefighters at close range, as described in claim 1, is characterized in that: The multi-source integrated sensing module is embedded in the front of the fire protection helmet. The infrared thermal imaging camera has the function of imaging through dense smoke, eliminating the visual blind spots caused by dense smoke in the fire scene, and solving the problem of the inability to locate open flames due to the white fog of thermal imaging in the fire scene.

3. The fire suppression and control system for complex fire situations by firefighters at close range, as described in claim 1, is characterized in that: The mode switching solenoid valves are independently connected to DC fire extinguishing nozzles, fine water mist cooling nozzles, and foam fire extinguishing nozzles. The edge computing vehicle main control subsystem automatically switches according to the fire situation: DC direct fire extinguishing is selected for high-temperature open flames, fine water mist mode is selected for cooling the entire fire area, and foam coverage is selected for oil reignition fires.

4. A fire-fighting and fire-control system for complex fire situations by firefighters at close range, as described in claim 1, is characterized in that: The electric angle-adjustable gimbal supports automatic tilt and rotation of ±90° horizontally and ±60° vertically, eliminating the need for firefighters to manually adjust the spray angle. It is suitable for close-range fire extinguishing situations such as smoldering fires at high altitudes and flowing fires on the ground.

5. A fire suppression and control system for complex fire situations at close range by firefighters, as described in claim 1, is characterized in that: The foldable flexible fireproof baffle is made of double-layer aramid flame-retardant fabric composite aerogel heat insulation interlayer. The overall thickness after folding is ≤3cm, which is suitable for use in narrow rescue spaces such as narrow corridors and equipment interlayers.

6. A fire suppression and control system for complex fire situations at close range by firefighters, as described in claim 1, is characterized in that: The positioning magnetic base has a built-in strong magnetic adsorption block, which can quickly adsorb and fix it to the surface of steel structure walls and metal fire door frames, and can complete the fixation of isolation barriers without manual support, reducing the workload of firefighters.

7. A fire suppression and control system for complex fire situations at close range by firefighters, as described in claim 1, is characterized in that: The human vital signs monitoring module monitors firefighters' heart rate, blood oxygen, and body surface temperature in real time. When abnormal human vital signs are combined with high-risk signals in the fire scene, the system will prioritize triggering the sound and light hazard avoidance linkage early warning subsystem to forcibly remind personnel to evacuate from the danger zone.

8. A method for close-range fire extinguishing and control in complex fire situations, applied to the close-range fire extinguishing and control system for complex fire situations described in any one of claims 1-7, characterized in that, Includes the following steps: S1. Pre-battle self-check: Firefighters put on full protective gear, and the system automatically completes a full-area self-check of sensors, nozzles, baffles, and circuits. After confirming that there are no errors, the system enters the rescue standby state. S2, Fire Scene Full-Domain Perception: After entering a complex fire scene, the multi-source integrated perception module synchronously collects fire scene temperature, toxic smoke, air pressure, and thermal imaging open flame data, and transmits them back to the edge computing vehicle main control subsystem in real time. S3. Intelligent fire situation assessment: AI algorithm identifies fire spread path, smoldering and reignition points, and flashover precursors, and divides the core fire extinguishing zone, smoke diffusion zone, and high-risk danger zone. S4. Adaptive fire suppression control: Automatically switches fire suppression nozzle modes based on the assessment results, and synchronously adjusts the gimbal spray angle to accurately target open flames for close-range fire suppression. S5. Zoned fire control: Simultaneously activate the electric telescopic push rod to deploy two sets of flexible fireproof baffles, build a temporary fireproof isolation belt, and block the spread of fire to the escape route and the rear rescue area; S6. Real-time risk avoidance and protection: Monitors fire risks and human vital signs throughout the process. In the event of any of the following situations: flashover, excessive temperature, or abnormal vital signs, an audible and visual alarm will be activated immediately, along with active back cooling, to prompt firefighters to evacuate quickly. S7. Reset Operation: After the fire extinguishing and fire control operation is completed, retract the fireproof baffle, shut off the water supply system, and reset the entire set of equipment.

Images