CN116030183A - Intelligent protection system for individual fire fighters - Google Patents

Abstract

The invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting individual intelligent protection system, wherein a mobile server can establish a three-dimensional model, can receive information of fire-fighting individual equipment through a mobile command system, simulate the track of a firefighter in the three-dimensional model through the received position information and store the track, and can display the position of the firefighter.

Description

Intelligent protection system for individual fire fighters

Technical Field

The invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting individual intelligent protection system.

Background

At present, the digital degree of the domestic individual fire fighting protective equipment is not high, so that the functions of the information management platform cannot be fully exerted, the on-site command means is single, and the development of on-site personnel emergency rescue work is greatly restricted. The existing individual protective equipment has the problems of poor information transmission instantaneity, insufficient safety guarantee for on-site investigation personnel, incomplete on-site information acquisition, low system integration level and the like. The concrete steps are as follows: the on-site information is usually reported to the commander by the investigation personnel through the intercom system, and the information cannot be transmitted and displayed in real time, so that the accident judgment and command decision of the commander are affected. The individual protective equipment lacks the collection of information such as on-site personnel sign information, ambient temperature, harmful gas sensing information, air breathing pressure and the like, on-site personnel state information and on-site conditions cannot be transmitted in time, the on-site conditions and personnel states cannot be monitored by rear personnel, safety state perception and prejudgment of on-site personnel cannot be achieved, and safety guarantee is insufficient. The existing individual equipment is independently built, the integration degree is low, the data interoperability is poor, a large number of data chimneys are formed, the playing effect is limited, and the intelligent degree is low.

The application publication number CN103622203A discloses disaster site information intelligent acquisition equipment, has functions of individual soldier positioning, radio communication, motion state detection, air respirator pressure detection and the like in a building, can simultaneously transmit detection data to a site command rescue platform in real time, improves rescue efficiency, and improves safety guarantee for site investigation personnel. The equipment integrates more detection devices, can timely transmit data to a rescue platform, but the data information is still scattered, the information display effect is poor, command personnel are difficult to comprehensively master the actual situation on site, and the technical problem of poor rescue effect still exists.

Disclosure of Invention

The invention aims to provide an intelligent protection system for a firefighting individual, which is used for solving the technical problem of poor rescue effect caused by scattered data information and poor display effect at present.

The individual firefighting intelligent protection system comprises individual firefighting equipment and a mobile command system, wherein the individual firefighting equipment comprises a positioning gesture detection device for acquiring position information and firefighter gesture information, a vital sign acquisition device for acquiring firefighter vital sign information in real time, an audio and video acquisition device for acquiring and transmitting video and audio, a communication device for transmitting data and an air respirator; the mobile command system is in communication connection with the individual fire fighting equipment through a wireless network, so that information can be sent to the individual fire fighting equipment, and the individual fire fighting equipment can transmit field information to the mobile command system; the mobile command system comprises a mobile server, wherein the mobile server can establish a three-dimensional model after acquiring three-dimensional model data of an accident building, and dynamically simulate the track of a firefighter in the three-dimensional model according to position information sent by individual firefighting equipment and store the track.

The beneficial effects are that: according to the intelligent protection system for the individual firefighters, the mobile server can establish a three-dimensional model, the mobile command system can receive information of the individual firefighters, the received position information is used for simulating the track of the firefighters in the three-dimensional model and storing the track, the positions of the firefighters can be displayed, meanwhile, after the individual firefighters are connected with the mobile command system through a wireless network, the mobile command system can collect data information, the data information is integrated, the rescue effect is improved, and the technical problem that the rescue effect is poor due to scattered data information and poor display effect is solved.

Further, the positioning posture detection device comprises a gyroscope and an acceleration sensor, the firefighting individual equipment comprises firefighting shoes, the positioning posture detection device is arranged on the firefighting shoes, the gyroscope is used for detecting the posture and the walking direction of a firefighter, and the acceleration sensor is used for calculating the displacement of the firefighter by detecting the foot movement of the firefighter. The state and displacement of the firefighter can be calculated through the gyroscope and the acceleration sensor, and the state of the firefighter can be accurately judged.

Further, the firefighting individual equipment comprises a falling distress call device connected with the positioning gesture detection device, the falling distress call device sends a distress call signal after the positioning gesture detection device detects that the firefighter is in a static and lying gesture for more than a set time, and the falling distress call device stops calling for help after the firefighter is in a walking or running state. The safety guarantee of firefighters is improved.

Further, the mobile command system comprises an alarm module connected with the positioning gesture detection device, the alarm module automatically alarms after the positioning gesture detection device detects that the firefighter is in a static and lying gesture for more than a set time, and the alarm module releases the alarm after the firefighter is in a walking or running state. The mobile command center is timely reminded.

Further, the mobile command system comprises on-site vehicle-mounted equipment and a mobile command box, the modeling platform is arranged in the mobile command box, the on-site vehicle-mounted equipment comprises MESH self-organizing network equipment, the communication device comprises an individual-soldier MESH module, the mobile command box comprises a command box MESH module, the individual-soldier MESH module and the command box MESH module are connected with the MESH self-organizing network equipment, and data are transmitted among the on-site vehicle-mounted equipment, the mobile command box and each firefighting individual-soldier equipment through the MESH self-organizing network. The MESH ad hoc network has good stability, and the stability of the field network is improved.

Furthermore, each firefighting individual equipment in the firefighting individual intelligent protection system exchanges information through MESH self-organizing network equipment; the fire-fighting individual equipment comprises an air-breathing detection device and a helmet, wherein the air-breathing detection device is used for detecting the gas condition in an oxygen cylinder connected with an air respirator; the helmet comprises a face mask, wherein a display module is arranged on the face mask and used for displaying detection data of the air call detection device, each firefighter individual equipment can exchange detection information of the air call detection device, a rescue alarm lamp is arranged on the display module, and when the gas bottle of a firefighter is in under-pressure alarm, the rescue alarm lamp is turned on to remind the firefighter of rescuing the firefighter companion. Is convenient for the mutual rescue between firefighters.

Further, the individual fire fighting equipment comprises an air-breathing detection device and a helmet, wherein the air-breathing detection device is used for detecting the gas condition in an oxygen cylinder connected with an air respirator; the helmet comprises a face mask, a display module is arranged on the face mask and used for displaying detection data of the air call detection device. The condition of convenient fire fighter's observation air respirator and gas cylinder.

Further, the air-breathing detection device comprises a pressure sensor for detecting the pressure in the oxygen cylinder and a flow sensor for detecting the residual air in the oxygen cylinder. The information of the oxygen cylinder can be timely obtained.

Further, the communication device comprises a Bluetooth receiving module, a data processing module and a data transmission module, wherein the Bluetooth receiving module is used for being connected with the positioning gesture detection device and the vital sign acquisition device and receiving information, the Bluetooth receiving module is connected with the data processing module to send the received information to the data processing module, and the data processing module is used for receiving the information transmitted by the Bluetooth receiving module and sending the information to the mobile command system through the data transmission module, and meanwhile receiving the information transmitted by the mobile command system.

Further, the mobile server distinguishes different trajectories of firefighters by colors in the process of dynamically simulating the trajectories of firefighters in the three-dimensional model. Different firefighters can be distinguished conveniently, and the positions of multiple firefighters can be mastered simultaneously.

Drawings

FIG. 1 is a layout diagram of an embodiment 1 of a fire fighting individual intelligent protection system according to the present invention;

FIG. 2 is a schematic illustration of walking behavior of a person in embodiment 1 of the individual fire protection intelligent protection system of the present invention;

fig. 3 is a three-dimensional positioning and track simulation walking track diagram of four firefighters numbered 0005, 0008, 1001, 0711, respectively, in embodiment 1 of the individual fire protection system of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.

It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" or the like is not excluded from a process, method, or the like that includes the element.

In the description of the present invention, the terms "mounted," "connected," "coupled," and "connected," as may be used broadly, and may be connected, for example, fixedly, detachably, or integrally, unless otherwise specifically defined and limited; can be mechanically or electrically connected; either directly, indirectly through intermediaries, or in communication with the interior of the two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.

In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "provided" may be interpreted broadly, and for example, an object "provided" may be a part of a body, may be separately disposed from the body, and may be connected to the body, where the connection may be a detachable connection or an undetachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art in specific cases.

The present invention is described in further detail below with reference to examples.

The invention provides a specific embodiment 1 of an intelligent protection system for a fire-fighting individual soldier, which comprises the following steps:

as shown in fig. 1, the individual fire fighting intelligent protection system comprises individual fire fighting equipment, a mobile command system and a background command center. The individual fire fighting equipment is used for being equipped on the firefighter body, and a plurality of individual fire fighting equipment are arranged. The mobile command system comprises a mobile command box, a satellite vehicle and on-site vehicle-mounted equipment, wherein the on-site vehicle-mounted equipment is mounted on the satellite vehicle. The background command center can provide help for the mobile command system and know rescue work dynamics in real time. The mobile command system commands rescue work on site, and on-site vehicle equipment is provided with MESH ad hoc network equipment and a vehicle-mounted multi-network router for providing support for the rescue work on site. The mobile command box comprises a mobile server and a wireless communication module. The wireless communication module comprises a command box MESH module.

The MESH ad hoc network equipment, the mobile command box, the on-site vehicle equipment and the individual fire-fighting equipment form an MESH ad hoc network, and information can be transmitted between the equipment and the network through the MESH ad hoc network. In order to improve the guarantee of information, the mobile command box, the on-site vehicle-mounted equipment and each individual firefighting equipment can also transmit information through a 4G/5G wireless communication network. The wireless communication module also includes a 4G/5G communication module.

The system bandwidth in the MESH ad hoc network equipment is 5M, 10M or 20M, and the working frequency is as follows: 1415-1465MHz, the receiving sensitivity is: 102dBm, scalable node number: not less than 30; the single-hop transmission delay is as follows: less than or equal to 5ms; an Ethernet port interface is adopted: two paths of 10M/100M standard Ethernet interfaces; the transmitting power is as follows: 33dBm.

The individual firefighting equipment comprises a firefighter uniform, firefighting shoes, a helmet, a communication device, an air call detection device, a positioning gesture detection device, a vital sign acquisition device for acquiring real-time vital sign information, a bone conduction earphone for bidirectional voice transmission, a gas detection device, an audio and video camera, an air respirator and an oxygen bottle.

The gas detection device is used for detecting carbon monoxide, methane, hydrogen sulfide and sulfur dioxide. The audio and video camera comprises an audio module and a video module, and is used for on-site image and voice acquisition and transmission.

In this embodiment, the communication device is hung on the firefighter uniform, and can be detached, and whether the firefighter uniform is held by hand is selected according to the requirement. The communication device comprises a Bluetooth receiving module, a data processing module and a data transmission module, wherein in the embodiment, the data transmission module comprises an individual MESH module and a 4G/5G wireless module, and the individual MESH module is used for connecting MESH self-organizing network equipment to transmit voice, image and data. The 4G/5G wireless module is also capable of voice, image and data transmission. The single soldier MESH module and the 4G/5G wireless module are switched through the switching module.

The Bluetooth receiving module is connected with the air call detection device, the positioning posture detection device, the vital sign acquisition device, the bone conduction earphone and the gas detection device, receives the acquired information transmitted by the devices, and transmits the acquired information to the data processing module. The data processing module is used for receiving the information transmitted by the Bluetooth receiving module, transmitting the information to the mobile command system through the individual MESH module or the 4G/5G wireless module, and receiving the information transmitted by the mobile command system.

The air-breathing detection device comprises a pressure sensor for detecting the pressure in the oxygen cylinder, a flow sensor for detecting the residual air in the oxygen cylinder and a temperature sensor. The air-breathing detection device is connected with a display module, the display module is used for displaying the pressure of the air respirator, displaying the residual time of the air flow, displaying the temperature and alarming, the display module is arranged on the face cover of the helmet, and the display module comprises a head-up display which shows the safety, early warning and alarming of the air pressure area in the air bottle. When the pressure of the gas cylinder is between 30 and 10MPa, the green light is always on; when the pressure of the gas cylinder is 10-6 MPa, the yellow lamp is always on; when the pressure of the gas cylinder is below 6MPa, the red light is directly and quickly flashed, and the vibrator starts vibrating; when the field temperature exceeds the set value, the red light is lighted and vibration is emitted.

Each individual firefighting equipment in the individual firefighting intelligent protection system can exchange information through the MESH ad hoc network, each individual firefighting equipment can exchange detection information of the air call detection device, a firefighting alarm lamp is arranged on a display module, and when an under-pressure alarm is given to a firefighter partner gas bottle, the firefighting alarm lamp is turned on to remind the firefighter of giving rescue to the firefighter partner.

The positioning gesture detection device comprises a gyroscope, an acceleration sensor, an electronic compass, an MEMS sensor, a temperature sensor and a wireless data transmission module, wherein the gyroscope and the acceleration sensor work simultaneously to realize inertial positioning navigation, and the accurate positioning navigation is achieved by combining a bionics algorithm. The positioning gesture detection device is arranged in the firefighting shoes, and the positioning gesture detection device is worn on the feet of a user, adopts a storage battery for energy supply, and is small in size. The gyroscope and the acceleration sensor are part of an inertial navigation device, the inertial navigation device is the prior art, and for the convenience of understanding, only the function is simply introduced in the embodiment, the acceleration sensor is mainly used for calculating the displacement and the height of the foot of the firefighter, and the gyroscope is mainly used for calculating the walking direction and the walking gesture of the firefighter. The positioning gesture detection device obtains displacement through twice integration according to the parameters obtained by acceleration, and obtains XYZ three-dimensional coordinates; according to the parameters acquired by the gyroscope, the gyroscope attitude is obtained through one integration, and the very large error accumulation exists in the direct calculation of the human body displacement through the acceleration twice integration. As shown in fig. 2, a certain rule is found by analyzing the walking behavior of people: swing mode and landing mode. When the person is in the floor mode, the linear angular velocity of the foot will be zero, in a non-moving state. At this time, if the zero-speed correction algorithm and the Kalman filtering algorithm are adopted for correction, the next step motion will not accumulate errors. And then, the acceleration is subjected to twice integral calculation to accurately calculate the real displacement coordinates, and various related parameters are calculated into coordinates and then transmitted to a data processing module through Bluetooth.

The firefighting individual equipment comprises a falling distress call device connected with a positioning gesture detection device, and after a firefighter falls, the acceleration sensor and the gyroscope send detected gesture information of the firefighter to the falling distress call device, so that the falling distress call device sends a distress call signal.

The mobile command system comprises an alarm module connected with the positioning gesture detection device, the alarm module automatically alarms after the positioning gesture detection device detects that the firefighter is in a static and lying gesture exceeding a set time, and the alarm module releases the alarm after the firefighter is in a walking or running state. After the firefighter is positioned successfully, the system starts to monitor the dynamics of the firefighter in real time, when the firefighter is in a static or lying posture for more than 30 seconds (the time is self-defined and adjustable), the alarm module alarms, and after the firefighter recovers a walking or running state, the system randomly releases the alarm, so that the function of calling for help is achieved.

Each fire control individual equipment carries out information exchange through the MESH ad hoc network, and after the help calling device falls down and sends out the help calling signal, firefighters in the ad hoc network can all receive the help calling information, so that the mutual rescue of the peers is facilitated.

The communication device of the embodiment receives the data sent by the positioning gesture detection device through bluetooth, and simultaneously sends the positioning data to the mobile server, and can also receive the data sent from the mobile server. Real-time voice intercom can be carried out between the communication devices of each fire-fighting individual equipment, and the fire-fighting individual equipment has a voice MESH function. The communication devices of the individual fire fighting equipment can be mutually relayed, and the relay mode is convenient and rapid and can be expanded and applied to underground space. Particularly, after various wall surfaces and equipment are blocked, communication signals are attenuated rapidly, weak signals can be enhanced and forwarded by adding a relay terminal to restore the signal capability, the purpose of signal relay is achieved, and under the general condition, a relay terminal is placed at intervals of one layer above and below each plane of an underground space, so that the signal enhancement can be restored.

The audio and video camera is arranged on the helmet. The audio and video camera transmission adopts an H.264 video compression technology. The communication device adopts the techniques of space division multiplexing, space time coding, receiving diversity, TX beam forming and RX beam forming modules; the sensitivity is-99 dBm@5MHz; the highest data transmission rate can reach 60Mbps; the channel bandwidth is set as: 1.25MHz,2.5MHz,5MHz,10MHz or 20MHz; the output power is 1 mW-8W; the single-hop communication distance is set as follows: the open area is 10-20 km, and the urban area is: 1 to 1.5 km; the working mode adopts various modes, including point-to-point, point-to-many, relay, many-to-many and mesh network; the voice codec is set to G.711/G.722; the single-hop delay averages 7ms, and the communication device in the embodiment is a three-proofing smart phone with an ARM chip and an Android system, supports 400-480 Mhz data transmission, supports Bluetooth data transmission, supports wireless communication, and has the functions of receiving, processing and forwarding various data.

As shown in fig. 3, the walking track diagram for three-dimensional positioning and track simulation of personnel in the intelligent protection system for firefighting individual soldiers is provided with a three-dimensional modeling module and a track simulation module by a mobile server.

The three-dimensional modeling module can acquire three-dimensional model data of a building with accidents, and can quickly model according to the three-dimensional model data, so that the three-dimensional model can be quickly modeled to achieve stereoscopic visual presentation, and meanwhile, scaling, translation and rotary positioning functions of the three-dimensional model of the building can be achieved at the display terminal, so that visual roaming browsing of different parts (outer walls, inner structures, channels, equipment and the like) of the building is achieved. The three-dimensional modeling module can be used for quickly modeling through modularized house type, positioning a region through a satellite map, quickly outlining a building model, and importing a building plan for quick modeling.

The track simulation module is used for dynamically simulating the track of the firefighter in the three-dimensional model according to the information returned by the firefighting individual equipment and recording the track. The track simulation module comprises a track marking module, wherein the track marking module is used for realizing highlight marking of firefighters in a building model, realizing accurate positioning and highlight marking of firefighters in the building according to three-dimensional parameters transmitted back by the firefighters, realizing real-time dynamic simulation of personnel walking tracks, and enabling each firefighter walking track to be represented by one color so as to be convenient for monitoring the positions of the firefighters in real time. According to the scene situation and the video information transmitted back by the firefighter, the dangerous area can be judged, the dangerous area is marked in the three-dimensional model, the firefighter is prompted to take precautions according to the position information of the firefighter, and efficient risk prevention and control of the rescue scene are achieved.

By wearing the inertial navigation positioning equipment by a person, a three-dimensional rescue site model and a three-dimensional individual movement track can be rapidly formed, so that the indoor non-blind area three-dimensional positioning, escape route planning, safe exit guiding, and detection personnel/site operation personnel movement state and gesture monitoring are realized, and the detection personnel/site operation personnel efficiency and rescue capability are improved. The communication device comprises a radar detection module and a visual track inquiry module, wherein the visual track inquiry module can enable firefighters to see the tracks of themselves and the victims in danger, enable the teammates to detect at short distance, facilitate rescue and search by buried teammates, enable navigation rescue to check the tracks of people in danger, realize voice broadcast in the whole process and enable the people in danger to follow the tracks of people in danger to search. When a fire fighter is in danger in a fire scene and needs to rescue, the mobile server can transmit the walking history track and the current coordinates of the fire fighter in danger to the communication device of the search and rescue fire fighter, the search and rescue person can quickly find the fire fighter in danger along the track and the coordinates of the fire fighter in danger, and the communication device can guide the walking direction of the search and rescue person through voice broadcasting in the search process, so that navigation search and rescue are realized. The communication device can carry out voice intercom with fire fighters in real time, so that commanders can conveniently master the latest situation in a fire scene in real time, and a fight scheme can be quickly adjusted and accurately judged.

The rear command system can conveniently master the first line of rescue dynamics in real time in the building model, the fight positions of firefighters can be conveniently deployed, the extremely dangerous area is avoided, firefighters are prompted to make precaution and fight preparation in advance, and the high efficiency and the controllable risk of the rescue scene are achieved; through unified dispatch of rear commanders, the functions of mutual collaborative operation, teammate search and rescue, trapped personnel rescue, safe exit guide and the like are achieved.

The main functions and characteristics of the whole system comprise the following steps: 1) The firefighter can locate (height and direction) and communicate with the action track in real time; 2) The rapid modeling achieves stereoscopic visual presentation; 3) Track one-key pushing achieves navigation type rapid and accurate search and rescue; 4) Firefighter posture presentation (walking, running, resting, prone); 5) The relay method is convenient and rapid, and can be expanded and applied to underground space; 6) The map and the on-site fire-fighting facilities and the fire-fighting equipment configuration can be matched for dynamic display.

The mobile server can acquire the data of the whole equipment of the firefighter, and the data comprise positioning data, heart rate data, gas monitoring data, air call data, voice and video, and the data are acquired and then are transmitted to the communication device through wireless transmission, and after being subjected to scientific algorithm and analysis, the data are transmitted to the mobile server through the Mesh ad hoc network, so that the firefighter in a scene of fire can be effectively and quickly guided in real time in a back field, and all accurate and visual information is ensured, and the life safety of the person to be saved and the person to be saved is ensured. And supporting the back field display field video, individual soldier tracking and positioning, air call monitoring and field environmental gas detection data.

The intelligent protection system for the individual fire fighters fully utilizes informatization and wireless data transmission technology, acquires and transmits environmental parameters, audio and video information and personal information of detection personnel of the rescue scene in real time, and receives scheduling information of the scene command system; the system utilizes high-speed wireless broadband transmission and non-central MESH ad hoc network MESH technology transmission, does not need a base station and other public communication network infrastructures, forms a special broadband transmission network among mobile nodes, aims at real-time wireless transmission and displaying accident scene images, gas concentration and individual protection equipment states, and adopts a multifunctional integrated technology as a main direction, so that monitoring and early warning of the gas concentration, the accident state, the detection personnel and the individual protection equipment can be realized, powerful technical support is provided for accurate research and judgment, scientific decision and efficient command, and the individual fight capability and safety protection of fire fighting are improved.

The specific embodiment 2 of the intelligent protection system for the individual fire fighters is different from the embodiment in that: the mobile command system and the fire-fighting individual equipment transmit signals through the 4G/5G wireless module.

The specific embodiment 3 of the intelligent protection system for the individual fire fighters is different from the embodiment in that: the mobile command box is installed on the satellite vehicle.

The specific embodiment 4 of the intelligent protection system for the individual fire fighters is different from the embodiment in that: the display module is arranged on the arm.

It should be noted that the above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The individual firefighting intelligent protection system comprises individual firefighting equipment and a mobile command system, wherein the individual firefighting equipment comprises a positioning gesture detection device for acquiring position information and firefighter gesture information, a vital sign acquisition device for acquiring firefighter vital sign information in real time, an audio and video acquisition device for acquiring and transmitting video and audio, a communication device for transmitting data and an air respirator;

the fire control system is characterized in that the mobile command system is in communication connection with the fire control individual equipment through a wireless network, so that information can be sent to the fire control individual equipment, and the fire control individual equipment can transmit field information to the mobile command system; the mobile command system comprises a mobile server, wherein the mobile server can establish a three-dimensional model after acquiring three-dimensional model data of an accident building, and dynamically simulate the track of a firefighter in the three-dimensional model according to position information sent by individual firefighting equipment and store the track.

2. The fire fighting individual intelligent protection system according to claim 1, wherein the positioning posture detection device comprises a gyroscope and an acceleration sensor, the fire fighting individual equipment comprises a fire shoes, the positioning posture detection device is arranged on the fire shoes, the gyroscope is used for detecting the posture and the walking direction of the firefighter, and the acceleration sensor is used for calculating the displacement of the firefighter by detecting the foot movement of the firefighter.

3. The individual fire protection system of claim 2, wherein the individual fire protection equipment includes a fall distress call device connected to the positioning gesture detection device, wherein the fall distress call device sends a distress call signal after the positioning gesture detection device detects that the firefighter is in a resting and lying position for more than a set time, and wherein the fall distress call device stops calling for help after the firefighter resumes a walking or running state.

4. The individual fire protection intelligent protection system of claim 2, wherein the mobile command system comprises an alarm module connected to the positioning gesture detection device, the alarm module automatically alarming after the positioning gesture detection device detects that the firefighter is in a resting and lying gesture for more than a set time, and the alarm module releases the alarm after the firefighter resumes a walking or running state.

5. The fire-fighting individual intelligent protection system according to claim 1, 2 or 3, wherein the mobile command system comprises on-site vehicle equipment and a mobile command box, the modeling platform is arranged in the mobile command box, the on-site vehicle equipment comprises MESH ad hoc network equipment, the communication device comprises an individual-soldier MESH module, the mobile command box comprises a command box MESH module, the individual-soldier MESH module and the command box MESH module are connected with the MESH ad hoc network equipment, and data are transmitted among the on-site vehicle equipment, the mobile command box and each fire-fighting individual-soldier equipment through the MESH ad hoc network.

6. The intelligent protection system for firefighting individual according to claim 5, wherein each individual firefighting equipment in the intelligent protection system for firefighting individual is subjected to information exchange through a MESH ad hoc network device; the fire-fighting individual equipment comprises an air-breathing detection device and a helmet, wherein the air-breathing detection device is used for detecting the gas condition in an oxygen cylinder connected with an air respirator; the helmet comprises a face mask, wherein a display module is arranged on the face mask and used for displaying detection data of the air call detection device, each firefighter individual equipment can exchange detection information of the air call detection device, a rescue alarm lamp is arranged on the display module, and when the gas bottle of a firefighter is in under-pressure alarm, the rescue alarm lamp is turned on to remind the firefighter of rescuing the firefighter companion.

7. The individual fire protection system according to claim 1, 2 or 3, wherein the individual fire protection equipment comprises an air-breathing detection device and a helmet, wherein the air-breathing detection device is used for detecting the gas condition in an oxygen cylinder connected with an air respirator; the helmet comprises a face mask, a display module is arranged on the face mask and used for displaying detection data of the air call detection device.

8. The fire fighting individual intelligent protection system of claim 7, wherein said air-breathing detection device comprises a pressure sensor for detecting the pressure in the oxygen cylinder, and a flow sensor for detecting the air margin in the oxygen cylinder.

9. The fire fighting individual intelligent protection system according to claim 1, 2 or 3, wherein the communication device comprises a bluetooth receiving module, a data processing module and a data transmission module, the bluetooth receiving module is used for connecting the positioning gesture detecting device and the vital sign collecting device and receiving information, the bluetooth receiving module is connected with the data processing module to send the received information to the data processing module, and the data processing module is used for receiving the information transmitted by the bluetooth receiving module and sending the information to the mobile command system through the data transmission module, and receiving the information transmitted by the mobile command system.

10. A fire fighting individual intelligent protection system according to claim 1, 2 or 3, wherein said mobile server distinguishes different firefighter trajectories by color during dynamic simulation of firefighter trajectories in a three-dimensional model.

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