KR20190099888A - System and method for monitoring the scene of fire - Google Patents

Abstract

The present invention is to provide a system for monitoring the scene of a fire and a method thereof capable of understanding conditions with respect to each firefighter on the scene of a fire and managing the personal history while being capable of monitoring the scene of the fire. According to the present invention, the monitoring system comprises: a first terminal enabling mutual communication; a second terminal communicating with the first terminal; and a server communicating with the second terminal. The first terminal obtains position information and condition information from a sensor located inside. The second terminal receives the position information and condition information from the first terminal and monitors operations of the first terminal based on the position information and condition information. The server receives and manages monitoring information with respect to the operations of the first terminal from the second terminal.

Description

Fire scene monitoring system and method {SYSTEM AND METHOD FOR MONITORING THE SCENE OF FIRE}

The present invention relates to a monitoring technology, and more specifically, a fire to monitor the fire site situation, the fire personnel input to the fire site, etc. using the terminals provided by the fire crew and the field commander in the fire site as a whole, Field monitoring systems and methods.

Accidents of firefighters occur frequently in disaster scenes such as fires, and accidents in the disaster scene cause great damage. However, in the event of an accident, there is still insufficient response. In other words, there is no way to communicate information about the accident that can be predicted in advance, or to share the information with all firefighters on the scene in the event of an emergency not to enter a hazardous area or to share it with each other. Actions are often delayed because the identity and location of the firefighters in question cannot be identified in real time. Therefore, there is a need for a method of commanding and monitoring the overall situation of the disaster site and understanding the status of each firefighter so as to prevent an accident or lead to a larger accident.

Korean Patent Publication No. 10-2015-0134472

It is an object of the present invention to provide a fire site monitoring system and method capable of monitoring the fire site as a whole and identifying the status and managing the history of each firefighter in the fire site.

A first aspect of the present invention for achieving the above object is a monitoring system comprising a first terminal capable of communicating with each other, a second terminal capable of communicating with the first terminal, and a server capable of communicating with the second terminal. The first terminal acquires location information and status information from a sensor provided therein; The second terminal receives location information and status information from the first terminal and monitors operation of the first terminal based on the location information and status information; The server receives and manages monitoring information on an operation of the first terminal from the second terminal.

Preferably, the first terminal, GPS and barometric pressure sensor for obtaining the location information; And an acceleration sensor and a gyro sensor for obtaining the state information.

Preferably, the first terminal may exchange location information and state information obtained before communication with the second terminal is established.

Preferably, the apparatus further comprises a gateway device capable of communicating with the first terminal and the server, wherein the gateway device transmits information about the first terminal received from the first terminal to the server, wherein the server includes: On the basis of the information on the first terminal received from the gateway device, in the order received from the gateway device, selects a time slot for communication between the first terminal and the second terminal, the information of the selected time slot May be transmitted to the second terminal.

Preferably, the second terminal periodically transmits a communication message including information on the timeslot received from the server, and the first terminal receives the communication message and includes a time slot included in the communication message. After confirming the information, the response message for receiving the communication message according to the corresponding time slot can be transmitted to the second terminal, thereby forming a communication with the second terminal.

Preferably, when the communication message does not include time slot information, the first terminal expands the size of the time slot by a predetermined size and randomly selects a time slot, and selects information of the selected time slot. May be transmitted to the second terminal, and if the selected timeslot overlaps with another first terminal, the timeslot may be randomly reselected.

Preferably, the second terminal may register the first terminal on which the communication is formed as a monitoring target terminal and periodically receive location information and status information from the first terminal.

Preferably, the second terminal manages the site input time of the first terminal based on the time when the first terminal is registered as the monitoring target terminal, receives the location information from the first terminal, and moves the position. And monitoring a relative position between the first terminals and receiving status information from the first terminal, thereby monitoring the status of the firefighter associated with the first terminal.

Preferably, the second terminal, if there is a first terminal that does not communicate for more than a predetermined time of the terminal to be monitored, the second terminal of the terminal to be periodically maintained in communication with the second terminal of the monitoring target terminal Through the first terminal, information transmission and reception between the first terminal and the second terminal that are not communicated may be performed.

Preferably, the first terminal may determine whether the emergency is based on the state information, and transmit an alarm message to another first terminal or the second terminal when it is determined that the emergency situation corresponds.

Preferably, when the second terminal receives the alarm message from the first terminal, the second terminal may transmit the alarm message to all the first terminals or a specific first terminal to which communication is connected.

Preferably, the second terminal may generate an alarm message and transmit the generated alarm message to all the first terminals or the specific first terminal based on the location information and the status information received from the first terminal. .

Preferably, the server collects the monitoring information received from the second terminal, manages the history of each of the first terminal based on the monitoring information, and corresponds to an emergency situation based on the collected monitoring information If it is determined, the command message is transmitted to the second terminal, and the command message may be transmitted from the second terminal to all the first terminals or specific first terminals to which the communication with the second terminal is connected.

A second aspect of the present invention for achieving the above object is a monitoring performed in a monitoring system comprising a first terminal capable of communicating with each other, a second terminal capable of communicating with the first terminal, and a server capable of communicating with the second terminal. A method, comprising: (a) acquiring location information and status information from a sensor provided therein; (b) receiving, by the second terminal, location information and status information from the first terminal, and monitoring an operation of the first terminal based on the location information and status information; And (c) the server, receiving and managing monitoring information on an operation of the first terminal from the second terminal.

Preferably, the step (a) may include exchanging location information and state information obtained before communication with the second terminal is connected.

Preferably, before the step (a), the gateway device capable of communicating with the first terminal and the server, receives information about the first terminal from the first terminal, and receives the information about the received first terminal Delivering to the server; And the server randomly selects a time slot for communication between the first terminal and the second terminal based on the information about the first terminal received from the gateway device, in the order received from the gateway device. The method may further include transmitting information on the selected timeslot to the second terminal.

Preferably, before the step (a), the second terminal, periodically transmitting a communication message including the information of the timeslot received from the server; The first terminal receives the communication message, checks the information of the timeslot included in the communication message, and transmits a response message to the second terminal according to the corresponding time slot to the second terminal. And establishing communication with the second terminal.

Preferably, before step (a), when the communication message does not include time slot information, the first terminal expands the size of the time slot by a predetermined size and then randomly selects the time slot. Making; And transmitting, by the first terminal, information of the selected timeslot to the second terminal. When the selected timeslot overlaps with another first terminal, the timeslot may be randomly reselected.

Preferably, step (b) comprises: registering the first terminal on which the communication is formed as a monitoring target terminal; And periodically receiving location information and status information from the first terminal.

Preferably, the step (b) comprises the steps of: managing the site input time of the first terminal based on the time when the first terminal is registered as the monitoring target terminal; Receiving location information from the first terminal to monitor location movement and relative location between the first terminals; Receiving status information from the first terminal, it may comprise the step of monitoring the status of the firefighter associated with the first terminal.

Preferably, in the step (b), if there is a first terminal in which the second terminal does not communicate for a predetermined time or more, the communication is maintained periodically with the second terminal of the monitoring target terminals. Through the first terminal being used, it is possible to perform information transmission and reception between the first terminal and the second terminal that is not in communication.

Preferably, the step (a) further determines whether it is an emergency or not based on the state information, and if it is determined that it corresponds to an emergency, sending an alarm message to another first terminal or the second terminal. It may include.

Preferably, the step (b) may further include transmitting the alarm message to all the first terminals or a specific first terminal to which the communication is connected, when the alarm message is received from the first terminal. .

Preferably, in the step (b), if it is determined that the emergency situation corresponds to the location information and the status information received from the first terminal, an alarm message is generated and transmitted to all the first terminals or a specific first terminal. It may further comprise a step.

Preferably, step (c) comprises the steps of: collecting monitoring information received from the second terminal; Managing a history of each of the first terminals based on the monitoring information; And if it is determined that the emergency situation corresponds to the monitoring information, transmitting a command message to the second terminal.

As described above, according to the present invention, it is possible to monitor the fire site as a whole and to grasp the status and history management for each firefighters put into the fire site to prevent the occurrence of an accident or to lead to a larger accident. It can be done and quick action in case of an accident is possible.

1 is a block diagram of a monitoring system according to a preferred embodiment of the present invention.
2 is a block diagram of a first terminal according to an embodiment.
3 is a block diagram of a second terminal according to an embodiment.
4 is a block diagram of a server according to an exemplary embodiment.
5 is a block diagram of a gateway device according to this embodiment.
6 is a flowchart illustrating a monitoring method according to an embodiment.
7 and 8 are flowcharts illustrating information transmission and reception between a first terminal and a second terminal according to an embodiment.
9 is a flowchart illustrating a process of determining a location of a first terminal according to an embodiment.
10 is an exemplary diagram for describing a communication establishment between a first terminal and a second terminal according to an embodiment.
11 is an exemplary diagram for describing information output from a first terminal.
12 is an exemplary diagram for describing information output from a second terminal.

Advantages and features of the present invention, and a method of achieving them will be apparent from the following detailed description with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout. “And / or” includes each and all combinations of one or more of the items mentioned.

Although the first, second, etc. are used to describe various elements, components and / or sections, these elements, components and / or sections are of course not limited by these terms. These terms are only used to distinguish one element, component or section from another element, component or section. Therefore, the first device, the first component, or the first section mentioned below may be a second device, a second component, or a second section within the technical spirit of the present invention.

In addition, in each step, an identification code (eg, a, b, c, etc.) is used for convenience of description, and the identification code does not describe the order of the steps, and each step is clearly specified in context. Unless stated in order, it may occur differently from the stated order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, the terms defined in the commonly used dictionaries are not ideally or excessively interpreted unless they are specifically defined clearly.

In describing the embodiments of the present invention, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the embodiments of the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the contents throughout the specification.

1 is a block diagram of a monitoring system according to a preferred embodiment of the present invention.

Referring to FIG. 1, the monitoring system 100 includes a first terminal 110, a second terminal 120, a server 130, and a gateway device 140. Preferably, a plurality of first terminals 110 may be included and may communicate with each other, and the first terminal 110 may communicate with the second terminal 120 and the gateway device 140, and the second terminal 120 may include a plurality of first terminals 110. The gateway device 140 may communicate with the server 130.

The first terminal 110 is a terminal provided by each firefighter entered into the field to obtain the location information and status information and transmits to the second terminal 120. 2, the first terminal includes a communication module 210, a sensor module 220, a user interface 230, and a control module 240.

The communication module 210 establishes communication with the second terminal 120 and the gateway device 140 so that data transmission and reception with the second terminal 120 and the gateway device 140 can be performed, preferably LoRa. It may correspond to an RF module.

The sensor module 220 is configured of various sensors to obtain the position information and the state information of the first terminal 110. Preferably, the sensor module 220 includes a Global Positioning System (GPS), an Inertial Measurement Unit (IMU), and an earth magnetic field sensor. Magnetometer, and a pressure sensor, and the IMU may include an accelerometer and a gyroscope. Here, the position of the first terminal 110 and whether the first terminal 110 is indoors or outdoors may be determined based on the data sensed by the GPS and the geomagnetic field sensor, and the data sensed by the barometric pressure sensor may be determined. An altitude of the first terminal 110 may be determined based on the state of the first terminal 110 based on data sensed from the IMU and the earth magnetic field sensor, that is, whether the first terminal 110 is in a floating state and the first terminal 110. Can be determined whether it is indoors or outdoors.

The user interface 230 outputs information obtained from the first terminal 110 or information received from the other first and second terminals 120, and is configured to receive information from the user. And a liquid crystal display (LED), a light emitting diode (LED), a buzzer, and a button. Here, the LCD may output various information, and when the first terminal 110 is in a specific state or in an emergency situation, the LED may emit light in various ways, and the buzzer may beep. In addition, a plurality of buttons may be configured, and an operation mode of the first terminal 110 may be determined according to which button is selected by the user. For example, the power of the first terminal 110 may be turned on / off according to the selection of a button, and the standby mode is set as the standby mode, so that communication with other first terminal and the second terminal 120 is not possible. And, it is set to the on-site input mode to communicate with the second terminal 120 and an alarm message for notifying that the emergency situation, etc. can be transmitted to the other first terminal or the second terminal 120, Alternatively, the terminal may be set to a communication mode, so that communication with the second terminal 120 may be impossible, but communication with another first terminal may be performed. Such various mode settings may be determined by a button selected by a user, but may be automatically set according to the state of the first terminal 110. In addition, the user interface 230 may recognize whether the first terminal 110 is connected to the charging cradle which is separately provided or is being charged, or whether the charging is interrupted because the connection to the charging cradle is disconnected.

The control module 240 controls the flow of all operations and data performed in the first terminal 110, preferably, the location information acquisition unit 241, the state information acquisition unit 242, the emergency situation determination unit 243. ), And a data transmitter 244. Operations performed by the control module 240 based on various data obtained through the communication module 210, the sensor module 220, and the user interface 230 will be described in more detail below.

The second terminal 120 is a terminal provided in the field command unit of the fire site, for example, may correspond to a tablet PC (Tablet PC). Preferably, the second terminal 120 monitors the operation of the first terminal 110 based on the location information and the status information of the first terminal 110 received from the first terminal 110, and all the information monitored. May be transmitted to the server 130. That is, the second terminal 120 functions as a gateway to the server 130. Also, referring to FIG. 3, the second terminal 120 may include a communication module 310, a sensor module 320, a user interface 330, and a control module 340.

The communication module 310 forms communication with the first terminal 110 and the server 130 so that data can be transmitted and received with the first terminal 110 and the server 130. Preferably, the communication module 310 forms a communication with the first terminal 110 and the at least two Laura RF modules and the server 130 to stably form a change in the communication protocol according to the type of spreading factor. It may include a 3G module or a Long Term Evolution (LTE) module. The type of diffusion factor is described in detail below.

The sensor module 320 is composed of various sensors for expressing the position of the first terminal 110 and obtaining state information of the second terminal 120, and preferably, may include a GPS and an IMU. Here, the GPS is provided to express the relative positions between the first terminals based on the position of the second terminal 120, the IMU is provided to find the direction of the second terminal 120. That is, when relative positions between the first terminals are expressed based on the position of the second terminal 120 by GPS, the IMU of the second terminal 120 is determined by the second terminal according to the direction in which the first terminals face. The screen of 120 is to be rotated.

The user interface 330 outputs information received from the first terminal 110 and information for monitoring the first terminal 110 and is configured to receive information from the user. Preferably, the user interface 330 may be implemented as an LCD touch screen. Can be.

The control module 340 controls the flow of all operations and data performed in the second terminal 120, and preferably, the data receiver 341, the monitoring unit 342, the emergency situation determination unit 343, and the data. The transmitter 344 is included. Operations performed in each configuration of the control module 340 based on various data obtained through the communication module 310, the sensor module 320, and the user interface 330 will be described in more detail below.

The server 130 is a device provided in the general situation room. The server 130 allocates a time slot for each first terminal 110 and receives and manages monitoring information about the first terminal 110 received from the second terminal 120. . Preferably, referring to FIG. 4, the server 130 may include a communication module 410, a user interface 420, and a control module 440.

The communication module 410 may establish communication with the second terminal 120 and the gateway device 140 to perform data transmission and reception with the second terminal 120 and the gateway device 140. Preferably, the communication module 410 may include a wired network (eg, Ethernet), an LTE module corresponding to an RF module, or a 3G module.

The user interface 420 outputs information received from the second terminal 120 and information on the first terminal 110 and the site situation, which are managed based on the information, and receives various information from the user. Configuration.

The control module 440 controls the flow of all operations and data performed in the server 130, and preferably, the data receiving unit 441, the time slot manager 442, the data manager 443, the emergency determination unit ( 444, and a command transmitter 445. Operations performed in each configuration of the control module 440 based on various data obtained through the communication module 410 and the user interface 420 will be described in more detail below.

The gateway device 140 is a device provided in the fire station. The gateway device 140 receives a communication signal transmitted from the first terminal 110 and transmits information related to the first terminal 110 to the server 130. Referring to FIG. 5, the gateway device 140 includes a communication module 510, a user interface 520, and a control module 530.

The communication module 510 is a 3G module, an LTE module, or an Ethernet for forming communication with at least two Laura RF modules, and the server 130 to enable simultaneous communication with a plurality of first terminals 110. It may include a module.

The user interface 520 communicates with a separate PC device provided in the fire station and communicates with the server 130 through the PC device. The control module 530 controls all the operations and the flow of data performed by the gateway device 140, and preferably includes a data receiver 531 and a data transmitter 532.

Operations performed in each configuration of the control module 530 based on various data obtained through the communication module 510 and the user interface 520 will be described in more detail below.

6 is a flowchart illustrating a monitoring method according to an embodiment.

First, when a fire situation occurs, the server 130 may provide information about a disaster number assigned to the fire situation, a corresponding fire department corresponding to the fire situation, a corresponding vehicle, and a corresponding vehicle number, and a fire department having jurisdiction in the area where the fire situation occurred. We send dispatch order to include in correspondence fire department. The corresponding fire department receives the dispatch command, and the firefighters of the corresponding fire station move to the fire site with their personal terminals, that is, the first terminal 110. In this process, referring to FIG. 6, when the first terminal 110 is separated from the charging cradle, the communication module 210 of the first terminal 110 automatically transmits a Laura communication signal (step S610). More specifically, when the first terminal 110 is detached from the charging cradle, the user interface 230 of the first terminal 110 determines that the power supply via the USB has been stopped, and in the fire station through the communication module 210 The gateway device 140 includes information on the first terminal 110, for example, an ID of the first terminal 110, an ID of a firefighter carrying the first terminal 110, or a first terminal. The communication signal including the fire station ID to which 110 belongs may be transmitted.

The communication module 510 of the gateway device 140 receives a communication signal transmitted when the first terminal 110 is separated from the charging cradle, and the first terminal 110 in which the data receiving unit 531 is included in the communication signal. When receiving the information, the data transmitter 532 transmits the information about the first terminal 110 to the server 130 (step S620). Here, the information on the first terminal 110 includes, for example, a fire station ID, a firefighter ID, or a disaster number of a site into which the first terminal 110 is input, and the gateway device 140 is LTE Data may be transmitted to the server 130 via 3G, 3G, or Ethernet.

When the data receiver 441 of the server 130 receives the information about the first terminal 110 from the gateway device 140, the timeslot manager 442 aggregates the received information about the first terminal 110. By determining the timeslot information to be assigned to each of the first terminal 110, and transmits the timeslot information to the second terminal 120 (step S630). Here, the data transmitted from the server 130 to the second terminal 120 may include information about the total number of the first terminal 110, the ID of the first terminal 110, and the timeslot for each ID. In addition, data may be transmitted and received between the server 130 and the second terminal 120 using LTE or 3G.

Preferably, the timeslot manager 442 may aggregate all information about the first terminal 110 received from the gateway device 140 and set a maximum time slot based on the aggregated information. Next, the timeslot manager 442 communicates with each of the first terminals 110 to the second terminal 120 in the order in which the information about the first terminal 110 is received from the gateway device 140 in the maximum time slot. Time slots, which are time information for periodically performing, may be allocated. Since the first terminal 110 and the second terminal 120 need to perform a large number of communication in order to grasp the state of the plurality of first terminals, the possibility of communication collision is very high due to the increase in communication complexity. Accordingly, the present invention intends to use a time division multiple access (TDMA) scheme to prevent such a communication collision and for successful communication between the plurality of first terminals 110 and the second terminal 120. That is, the present invention prevents communication collision between the first terminal 110 and the second terminal 120 by assigning different time slots to each of the first terminal 110 to communicate with the second terminal 120. will be.

The second terminal 120 receives time slot information for each of the first terminals 110 transmitted from the server 130, and the communication module 310 of the second terminal 120 receives the first terminal 110. In order to recognize the communication signal is transmitted (S640). More specifically, in order to grasp the on-site arrival and on-site input of the first terminal 110, the second terminal 120 periodically transmits a communication message having a beacon function, and at the first terminal 110. In the case of receiving a communication message, the communication module 210 of the first terminal 110 transmits a response message to the second terminal 120 and the second terminal 120 transmits a confirmation message for the response message to the first terminal ( 110). Here, the confirmation message includes information on the first terminal 110 that has established communication in the second terminal 120, for example, an identifier (ID) of the first terminal, and the first terminal 110 that has formed the communication. ), And the first terminal 110 may check whether information on its own terminal is included in the confirmation message to confirm whether communication establishment with the second terminal 120 is completed. As such, when communication between the first terminal 110 and the second terminal 120 is formed, the second terminal 120 identifies the firefighter in the field through the first terminal 110 connected to the communication. In addition, the transmission period of the communication signal corresponding to the communication message may correspond to, for example, 'the total number of first terminals 110 x 300 ms', where 300 ms is a stable transmission and reception in the Laura communication. Is the time set to be. In addition, the transmission period of the communication signal may be adjusted according to the changed number of first terminals 110 whenever the number of first terminals 110 registered in the second terminal 120 is changed.

Preferably, when the server 130 transmits time slot information for each first terminal 110 to the second terminal 120, the server 130 transmits a disaster number and information on the total number of the first terminal 110. Whether the total number of the first terminal 110 counted by the total number of the first terminal 110 recognized by the second terminal 120 matches is determined. Here, the total number of the first terminal 110 counted by the server 130 and the total number of the first terminal 110 recognized by the second terminal 120, that is, the communication with the second terminal 120 If the total number of the first terminals 110 formed is different, the server 130 may reassign the time slots by adjusting the size of the maximum time slot. That is, the timeslot manager 442 of the server 130 adjusts the size of the maximum timeslot according to the total number of the first terminals 110 in which communication with the second terminals 120 is established, and within the adjusted timeslots. The timeslots of the first terminal 110 may be sequentially reassigned.

The communication module 210 of the first terminal 110 recognizes information on the timeslot included in the communication signal received from the second terminal 120 (step S650). Preferably, the first terminal 110 may transmit data to the second terminal 120 according to the recognized timeslot in a later step. The first terminal 110 may have a communication connection with the second terminal 120, the second terminal 120 registers the first terminal 110, the communication is connected to the terminal to monitor the location information and status information Can be periodically received.

The first terminal 110 obtains location information and status information (step S660). Preferably, the location information acquisition unit 241 of the first terminal 110 determines the position coordinates or the altitude of the first terminal 110 based on the GPS of the sensor module 220 or the data sensed from the barometric pressure sensor. Can be. The state information acquisition unit 242 may determine the state of the first terminal 110, that is, whether the first terminal 110 is in a floating state through an IMU or a geomagnetic field sensor of the sensor module 220.

The first terminal 110 transmits the position information and the state information acquired in step S660 to the second terminal 120 through the data transmitter 244 (step S670), and here, to the second terminal 120. The data may include ID, location, immobility, indoor / outdoor, temperature, or communication quality of the first terminal 110. The second terminal 120 monitors the operation of the first terminal 110 based on the location information and the status information received from the first terminal 110.

Preferably, the data receiver 341 of the second terminal 120 may receive information transmitted from the first terminal 110, and the monitoring unit 342 may be based on the information received from the first terminal 110. To monitor the operation of the first terminal 110. More specifically, the monitoring unit 342 of the second terminal 120 may manage the site input time of the first terminal 110 based on the time when the first terminal 110 is registered as the monitoring target terminal. . In general, the firefighter can not be input more than 30 minutes to the site due to the use time limit of the oxygen respirator, the monitoring unit 342 measures the time from when the first terminal 110 is registered as the monitoring target terminal The on-site injection time of the first terminal 110 is to be monitored so as not to exceed a specific time. In addition, the monitoring unit 342 may monitor the movement of the position of the first terminal 110 based on the position information received from the first terminal 110, and based on the position of the second terminal 120. 1 The relative position of the terminal 110 can be monitored. The monitoring unit 342 may continuously monitor the state of the firefighter associated with the first terminal 110 based on the state information received from the first terminal 110.

The second terminal 120 monitors the first terminal 110 based on the information received from the first terminal 110, and transmits all the monitored information to the server 130 through the data transmitter 344 ( In operation S680 and the server 130, monitoring information related to all the first terminals 110 may be comprehensively managed. That is, the server 130 receives and manages monitoring information on the operation of the first terminal 110 from the second terminal 120. Preferably, the data receiving unit 441 of the server 130 receives the monitoring information from the second terminal 120 connected through the communication module 410, the data management unit 442 collects the corresponding monitoring information to the first terminal (110) Manage each history. Here, the history includes information on the aggregation of field activity time by firefighters. In addition, the data management unit 442 of the server 130 may grasp the current status of the firefighters by site based on the collected monitoring information, and may monitor the status and location of the firefighters.

Preferably, steps S660 to S680 are repeatedly performed until the on-site situation ends, and the termination of the on-site situation may be determined by each firefighter selecting a specific button on his or her first terminal 110. More specifically, when the user selects a specific button of the first terminal 110, the first terminal 110 transmits the site withdrawal information to the second terminal 120, the second terminal 120 is registered monitoring The first terminal 110 is excluded from the target terminal. Next, the second terminal 120 transmits all the monitoring information related to the first terminal 110 and the information that the first terminal 110 has been withdrawn from the field to the server 130, through which steps S660 to S680 are repeated. The monitoring method may be terminated.

In an embodiment, in addition to the monitoring method described with reference to FIG. 6, the following operations may be further performed in the first terminal 110, the second terminal 120, or the server 130 according to occurrence of a specific situation. Can be.

In case of emergency

Each of the first terminal 110, the second terminal 120, and the server 130 may determine whether the specific first terminal is in an emergency situation through the emergency determination unit.

Preferably, the emergency situation determination unit 243 of the first terminal 110 is based on the position information or state information acquired through the position information acquisition unit 241 or the state information acquisition unit 242. ) Can determine if it is in an emergency. For example, when the state information of the first terminal 110 corresponds to the floating state, that is, when the movement of the firefighter is not detected, it may be determined that the first terminal 110 is in an emergency situation. have. More specifically, whether the state of the first terminal 110 corresponds to the floating state is determined by using Equation 1 below based on data obtained from the acceleration sensor or the gyro sensor provided in the first terminal 110. Can be judged.

[Equation 1]

는 이전까지 측정된 자이로 센서의 평균 값을 나타낸다.. 바람직하게, 비상상황 판단부(243)는 가속도 센서로부터 획득된 데이터를 기초로 [식 1]을 이용하여 산출된 v 값이 특정 기준값(threshold) 보다 작을 때 제1 단말기(110)가 부동상태에 있는 것으로 판단할 수 있다.Here, v is the variance value of the gyro sensor measured in real time, k is the sequence number of the current data, x _k is the value of the currently measured gyro sensor, n is the amount of data used to calculate the variance value in real time (Window Size),

Denotes an average value of the gyro sensor measured before. Preferably, the emergency situation determiner 243 uses the threshold value of the v value calculated using Equation 1 based on the data obtained from the acceleration sensor. Less than), it may be determined that the first terminal 110 is in a floating state.

For another example, when the location of the first terminal 110 is located in a restricted area or a dangerous area, the first terminal 110 may be determined to be in an emergency situation. Here, the information on the entry prohibited area or the dangerous area may be provided from the second terminal 120.

In addition, depending on whether a specific button provided in the first terminal 110 is selected, the emergency situation determination unit 243 may determine that the first terminal 110 is in an emergency situation. By pressing a specific button on the first terminal 110 of his own can be made known that he is in an emergency situation. In this case, the emergency situation determination unit 243 determines that the first terminal 110 is in a floating state when the v value calculated using [Equation 1] is smaller than a specific reference value based on the data obtained from the gyro sensor. can do.

Preferably, when it is determined that the state of the first terminal 110 corresponds to an emergency situation, the emergency determination unit 243 generates an alarm message and transmits it to another first terminal or the second terminal 120. 1 terminal 110 may inform that the emergency state. In addition, when the second terminal 120 receives the alarm message transmitted from the first terminal 110 through the data receiving unit 341, the first terminal associated with all the first terminals or specific firefighters to which the communication is connected. You can send an alarm message with.

Preferably, the emergency situation determination unit 343 of the second terminal 120 monitors the operation of the first terminal 110 based on the location information and the status information received from the first terminal 110, and the first terminal 110. It may be determined whether 110 corresponds to an emergency situation. Alternatively, the emergency determination unit 343 may determine the state of the specific first terminal 110 as an emergency according to the information input from the user of the second terminal 120. That is, when the on-site command unit determines that an emergency situation corresponds to the operation or the on-site situation of each of the first terminals 110 displayed on the second terminal 120, the on-site command unit may provide information indicating that it corresponds to an emergency situation. It can be input directly to the terminal 120. If it is determined that the first terminal 110 corresponds to an emergency situation, the emergency determination unit 343 generates an alarm message for notifying that the first terminal 110 is in an emergency situation and generates all first terminals or a specific first one. The terminal may transmit to the terminal, or may generate a command message for handling the emergency of the first terminal 110 and transmit the command message to another first terminal in a position close to the first terminal 110 in the emergency.

Preferably, the emergency situation determination unit 443 of the server 130 may predict the occurrence of an emergency by comprehensively analyzing the monitoring information received from the second terminal 120. For example, certain areas can be predicted to be at risk of collapse. Based on the information predicted by the emergency determination unit 443, the command transmitter 444 may generate a command message, for example, a command message not to approach a specific region, and transmit the command message to the second terminal 120. In addition, the second terminal 120 may transmit a corresponding command message to the first terminal 110. Alternatively, the command transmitter 444 of the server 130 may transmit the command contents to the second terminal 120 to transmit a command for on-site command separately from the emergency situation.

Communication connection between the first terminal and the second terminal is not formed If not

In the event of a fire, the commanding officer may arrive at the scene before the firefighters, or the firefighters may arrive at the scene before the commanding officer. When the field commander arrives at the site before the firefighter, the communication terminal is directly formed with the second terminal 120 before the first terminal 110 is put into the site, the step described with reference to FIG. 6. S640 to S680 may be performed sequentially. However, when the firefighter arrives at the site before the field commander, the first terminal 110 is first put into the field, and then a communication connection with the second terminal 120 is formed. In this case, the location information and the state information obtained when the first terminal 110 does not have a communication connection with the second terminal 120 are exchanged between the first terminals 110.

Preferably, the data transmission unit 244 of the first terminal 110 is the first terminal other than the position information and state information obtained in the state that the communication with the second terminal 120 is not connected through the communication module 210 Can be sent to. Here, the first terminal 110 transmits the location information and the status information to all the first terminal capable of communication so that all the first terminals can share the location and status of each other.

Preferably, location information and status information are exchanged between the first terminals, and when the first terminal 110 forms a communication connection with the second terminal 120, a communication connection is formed with the second terminal 120. Both the previously exchanged location information and status information can be deleted. However, the information corresponding to the emergency situation is not deleted, and an alarm message for notifying that the emergency situation corresponds to the second terminal 120 may be transmitted after the communication connection with the second terminal 120 is formed. For example, before a communication connection with the second terminal 120 is established, when a specific first terminal 110 is in an emergency situation, an alarm message for notifying that the emergency is in an emergency situation is generated and other communication is possible. When the first terminal 110 transmits to the first terminal, and then a communication connection with the second terminal 120 is established, the specific first terminal 110 transmits the corresponding alarm message to the second terminal 120, and the other first terminals are specified. The alarm message received from the first terminal 110 may be deleted.

Preferably, when the first terminal 110 establishes a communication connection with the second terminal 120, the first terminal 110 determines the location information of the second terminal according to whether the location at the time of the communication connection is outdoors or indoors. May be sent to 120. For example, when the location of the first terminal 110 when the communication connection is made with the second terminal 120 is outdoors, the first terminal 110 receives the location information obtained from the second terminal 120. ), And when the location of the first terminal 110 when the communication connection is made is indoors, the first terminal 110 may transmit information to the second terminal 120 that it is located indoors. Here, a method of determining whether the location of the first terminal 110 is indoors or outdoors will be described below. Accordingly, even if the second terminal 120 arrives at the site after the first terminal 110 is put into the field, the second terminal 120 can immediately grasp the location information and the state information of the first terminal 110 at the current site. .

After the first terminal and the second terminal is connected by communication, the connection is disconnected. If

While the monitoring method described with reference to FIG. 6 is continuously performed, the firefighter may be located in the shadowed area so that communication between the first terminal 110 and the second terminal 120 may be interrupted. In this case, the first terminal 110 and the second terminal 120 performs the following operation so that the operation of the first terminal 110 located in the shaded area can be continuously monitored and data can be transmitted and received.

First, FIG. 7 is an operation performed by the first terminal 110 in a shaded area, and the communication module 210 of the first terminal 110 is not communicating with the second terminal 120 for a predetermined time or more. Check (step S710). Preferably, the communication module 210 of the first terminal 110 may determine whether communication is maintained based on the number of recent communication with the second terminal 120, for example, the communication module 210. If the communication signal transmitted from the second terminal 120, that is, the communication message having a beacon function is not received three or more times, it may be determined that the communication connection with the second terminal 120 has been lost.

If it is determined in step S710 that the communication with the second terminal 120 is not performed for a predetermined time or more, the first terminal 110 in the shadow area exists, and the state information of the first terminal 110 in the shadow area is acquired. The location information and the status information obtained in the unit 242 are transmitted to the other first terminal 110 to which communication is connected through the data transmitter 344 (step S720). More specifically, the data transmitter 344 of the first terminal 110 in the shaded area corresponds to {terminal ID, emergency type, temperature, battery level, routing request flag} with the status information along with the routing request flag. The information is transmitted to the surrounding first terminals. Here, the routing request flag may be set to “Set (1)” or “Off (0)”, and the first terminal 110 cannot directly transmit data to the second terminal 120. If routing of data through the other first terminal 110 is required, the routing request flag is set to Set (1) and data is transmitted. If routing is not necessary, the routing request flag is set to Off (0). The data is sent.

Next, the data transmitter 344 of the other first terminal that receives the location information and the status information from the first terminal 110 in the shaded area transmits the corresponding location information and the status information to the second terminal 120 ( Step S730). That is, when the first terminal 110 is in the shadowed area, the first terminal 110 and the second terminal 120 in the shadowed area through the other first terminal is connected to the communication, the shadowed area Since the location information and status information of the first terminal 110 is transmitted to the second terminal 120, even if the first terminal 110 is in a shadowed area can be continuously monitored.

Preferably, among other first terminals that receive location information and status information from the first terminal 110 in the shaded area, only the first terminal which is located indoors and communicates with the second terminal 120 and has a good communication sensitivity. This routing can be done. More specifically, the other first terminal that receives the location information and the status information from the first terminal 110 in the shaded area may perform routing after confirming that the routing request flag is set to Set (1) in the corresponding information. Determine whether there is.

First, a method of determining whether the first terminal receiving the routing request is indoors or outdoors is described. Referring to FIG. 9, the location information acquisition unit 241 of the first terminal 110 obtains a location value from the location information, that is, the GPS (step S910), and the distribution of the location values is smaller than the preset standard deviation value. Or the like (step S920). If it is determined in step S920 that the variance of the position value is larger than the preset standard deviation value, the data is not suitable for determining whether indoors or outdoors. Therefore, step S910 is performed again to obtain the position value. If the dispersion of the position value is less than or equal to the preset standard deviation value in step S920, the first terminal 110 may determine the average value of the GPS visible satellite number and the GPS signal based on the information obtained from the GPS and the sensing value obtained from the geomagnetic sensor. The average value of the signal-to-noise ratio (SNR) is calculated and the average value of the variance of the magnetic field strengths is calculated (step S930). Then, the average value of the number of GPS satellites is less than or equal to the first reference value, the average value of the SNR of the GPS signal is less than or equal to the second reference value, and the average value of the variance of the magnetic field strength is greater than the third reference value through step S940. If it is determined to be the same, the first terminal is determined to be located indoors (step S950), otherwise it is determined to be located outdoors (step S960).

Preferably, the communication module 210 of the first terminal 110 that receives the routing request determines whether or not periodically receiving a communication signal (for example, a Laura Beacon signal) transmitted from the second terminal 120. For example, in the case of receiving the latest five consecutive times, it may be determined that communication with the second terminal 120 is normally maintained. In addition, the communication module 210 of the first terminal 110 receiving the routing request has a received signal strength (RSS) of the recently received second terminal 120 having a maximum sensitivity of 90% or less. In this case, it may be determined that the communication sensitivity is appropriate.

As such, only the first terminal, which is located indoors among the first terminals that receive the routing request, is normally maintained in communication with the second terminal, and has a good communication sensitivity, performs a routing operation in a time slot assigned to the first terminal. can do.

Preferably, the data transmitter of the first terminal performing the routing transmits the location information and the status information received from the first terminal 110 in the shadowed area to the second terminal 120, and the first terminal in the shadowed area. Along with the information {terminal ID, emergency situation type, temperature, battery level, routing request flag} received from the 110, the ID of the terminal performing routing, that is, its own terminal ID information may be transmitted to the second terminal 120. have. At this time, another first terminal is transmitted to the second terminal 120, “{terminal ID, emergency situation type, temperature, battery level, routing request flag (Set (1))} + {terminal ID which performed routing. } ”Information, if the routing request flag is set to Set and the terminal ID information that has been routed is determined, it is determined that the first terminal corresponding to the {routing terminal ID} has already performed the routing. Do not duplicate it. In one embodiment, the number of times the routing is performed may be set in advance, and in this case, the terminal ID information that has performed routing to {terminal ID, emergency type, temperature, battery level, routing request flag (Set (1))} information may be A plurality may be included. For example, if the number of routing operations is set to “3 times”, the terminal ID information that has been routed along with {terminal ID, emergency type, temperature, battery level, routing request flag (Set (1))} information 3 may be included, and when the information transmitted to the second terminal 120 includes one terminal ID information for performing routing, routing may be further performed by another first terminal, and routing may be performed. If three pieces of terminal ID information are already included, routing is not repeated. Preferably, after routing is performed, the second terminal 120 transmits an acknowledgment message to the first terminal that has performed routing to inform that the routing is normally performed, and the first terminal which has performed the routing shows the shadow message as a shadow area. It can deliver to the first terminal at. Specifically, the second terminal 120 confirms the ID of the terminal that performs the routing included in the received information, and then delivers a confirmation message to the terminal having the corresponding ID. In this case, when the other first terminal receives an acknowledgment message transmitted from the second terminal 120, the other first terminal determines that the routing has already been performed and cancels the routing that was scheduled to be performed in its timeslot. Routing can be avoided. In one embodiment, if the first terminal 110 in the shaded area does not receive the confirmation message generated from the second terminal 120 through the first terminal which performed the routing, the first terminal 110 in the shaded area. ) Determines that routing has not been performed normally, and transmits the status information along with the routing request flag (Set (1)) to information corresponding to {terminal ID, emergency type, temperature, battery level, routing request flag}. It may transmit back to the first terminals.

8 is an operation performed in the second terminal 120, the communication module 310 of the second terminal 120 checks whether there is a first terminal 110 that does not communicate for a predetermined time (step S810). ). That is, the second terminal 120 monitors the first terminal 110 registered as the monitoring target, and checks whether there is the first terminal 110 which is not communicating for a predetermined time.

If it is determined in step S810 that there is a first terminal 110 that is not communicated for a predetermined time or more, the first terminal 110 in the shaded area exists. In such a situation, when the second terminal 120 wants to transmit an alarm message or a command message to all the first terminals registered in the monitoring target or the first terminal 110 in the shadow area, the second terminal 120 An alarm message or a command message is transmitted to another first terminal to which communication is normally connected (step S820).

Next, the other first terminal that receives the alarm message or the command message from the second terminal 120 transmits the corresponding alarm message or the command message to the first terminal 110 in the shaded area (step S830). That is, when the first terminal 110 is in the shadowed area, the second terminal (through the second terminal 120 and the other first terminal that is in communication with the first terminal 110 in the shadowed area) Since an alarm message or a command message transmitted from the 120 is transmitted to the first terminal 110 in the shadowed area, even if the first terminal 110 is in the shadowed area, the receiver receives various information transmitted from the second terminal 120. can see.

Preferably, the communication module 210 of the first terminal 110 and the communication module 310 of the second terminal 120 may determine whether communication is maintained with each other based on the number of recent communication. For example, when the first terminal 110 does not receive the beacon signal transmitted from the second terminal 120 more than three times, it is determined that the communication connection between the first terminal 110 and the second terminal 120 has been lost. Can be. More specifically, in the recent communication between the first terminal 110 and the second terminal 120, if the received signal strength (Received Signal Strength) is 90% or less of the maximum possible signal sensitivity can be determined that the communication is maintained. When the number of recent communication between the first terminal 110 and the second terminal 120 is n or more consecutive times, it may be determined that the communication is maintained. Here, n times may be preset by the user. .

The first terminal Additionally  When connected with the second terminal

While the monitoring method described with reference to FIG. 6 is continuously performed, a firefighter may be additionally dispatched. The time slots for the first dispatcher 110 of the firefighter additionally dispatched may be allocated in the server 130, but may not be allocated in the server 130. In the case of allocating the timeslot for the first terminal 110 additionally dispatched by the server 130, the above-described descriptions are equally applied. When the server 130 fails to allocate a time slot for the first terminal 110 additionally dispatched, the first terminal 110 arrives at the scene and directly communicates with the second terminal 120 in the process of establishing communication. Slots can be allocated.

More specifically, the communication module 210 of the first terminal 110 receives a communication signal periodically transmitted from the second terminal 120 after arriving at the field, and its ID and time slot information allocated to the communication signal. Check whether there is. Here, if there is its own ID and assigned timeslot information, the time slot is allocated by the server 130, and if there is no own ID and the assigned timeslot information, the first terminal 110 of the first terminal 110 is assigned. The communication module 210 randomly selects a time slot when sending a response message for the communication signal to the second terminal 120. For example, referring to Table 1 below, when the total number of first terminals included in the communication signal transmitted from the second terminal 120 is 300 and the generation size of the preset time slot is 50, the first The terminal 110 may expand and generate a time slot up to 350, and may randomly select a time slot among the 301 to 350 th time slots.

Slot1 Slot2 … Slot300 Timeslot expansion Slot301 … Slot350 300 ms 300 ms … 300 ms 300 ms … 300 ms

Next, the first terminal 110 transmits the {terminal ID, timeslot information} including the randomly selected timeslot information to the second terminal 120 in a response message. The timeslot manager of the second terminal 120 (not shown) receives a response message including time slot information from the first terminal 110 and based on the size of the timeslot included in the response message. The transmission cycle of the communication signal to be periodically transmitted is changed, and the time slot is rearranged in the order of the response messages received from the additionally dispatched first terminals 110 to transmit the communication signal. Herein, when the additionally dispatched first terminal 110 and the timeslot for the first terminal 110 are registered in the second terminal 120, the additional message is added to the confirmation message transmitted from the second terminal 120. Since the first terminal 110 and the timeslot information are included, when the additional first dispatched terminal 110 receives a confirmation message including information on its own terminal, the first terminal 110 and the timeslot information are normally registered in the second terminal 120. After that, the second terminal 120 may communicate with the corresponding timeslot.

According to an embodiment, when a time slot randomly selected in the additionally dispatched first terminal 110 overlaps with another first terminal 110, the first terminal 110 may randomly reselect a time slot. . More specifically, the first terminal 110 has a time slot overlaps with another first terminal and receives a confirmation message including information on its own terminal from the second terminal 120 through the communication module 210. After randomly reselecting a slot, a response message is transmitted again to the second terminal 120 in the next communication signal transmitted from the second terminal 120. The communication module 210 of the first terminal 110 repeats the process of reselecting the timeslot until receiving a confirmation message for the response message from the second terminal 120, thereby not overlapping with other first terminals. The slot may allow communication with the second terminal 120 to be established. Here, when reselecting the timeslot, the timeslot may be selected from the remaining timeslots without being selected by the other first terminal.

For example, referring to FIG. 10, since the 1-1, 1-10, and 1-8 terminals select different time slots to transmit response messages, communication with the second terminal 120 is performed. Receive a confirmation message that contains information about its own terminal. On the contrary, the 1-3 terminal and the 1-7 terminal select the same timeslot and transmit a response message to the second terminal 120. In this case, since the communication from the second terminal 120 to the 1-3 terminal and the 1-7 terminal collide with each other, the second terminal 120 and the 1-3 terminal, and the second terminal 120 and Communication between the 1-7 terminals cannot be established. That is, the confirmation message transmitted from the second terminal 120 to the 1-3 terminal and the 1-7 terminal does not include information about the 1-3 and 1-7 terminals. Accordingly, each of the 1-3 terminal and the 1-7 terminal randomly reselects the timeslot, and in response to the next communication signal transmitted from the second terminal 120, the 1-3 terminal reselects the timeslot 9. The response message is transmitted to the second terminal 120, and the first to seventh terminals transmit the response message to the second terminal 120 in the reselected timeslot 10. Accordingly, the 1-3 and 1-7 terminals may both receive a confirmation message including their terminal information from the second terminal 120.

Preferably, when the time slot manager of the second terminal 120 does not receive a response message transmitted from the first terminal 110 while transmitting the communication signal a predetermined number of times, all of the first terminal 110 additionally dispatched are received. Based on the number of the first terminals 110 counted up to now, it is determined that it is registered, and the time slots are arranged and confirmed, and the transmission period of the communication signal is reset. For example, referring to the example of [Table 1], the terminal a, the terminal b, and the terminal c additionally dispatched to the time slots extended to 301 to 350 are sequentially selected by selecting Slot310, Slot320, Slot330, respectively. 2, when the communication is established with the terminal 120, the time slot management unit of the second terminal 120 is the number of the first terminal counted three, so the size of the time slots are summarized as 301 to 303, and the terminals a and terminal b. , And timeslots of the terminal c may be determined to be Slot301, Slot302, and Slot303, and the transmission period of the communication signal may be reset to '303 (number of first terminals) X300ms'. In addition, the second terminal 120 is additionally dispatched first terminal 110 and time slot information allocated to the additionally dispatched first terminal 110 based on the response message transmitted from the first terminal 110. Can be continuously transmitted to the server 130.

According to an embodiment, the first terminal 110 and the second terminal 120 communicate with each other according to the timeslot, and the first terminal 110 and the second terminal 120 are connected to the type of data transmitted and received. Therefore, the spreading factor can be selected to transmit and receive data. Here, the spreading factor is one of the characteristics of the Laura communication, as shown in the following [Table 2] SF 6 ~ 12 and have the characteristics orthogonal (orthogonal) to each other. Therefore, if the spreading factor is different in the same channel, the interference problem between signals can be solved. However, since the coverage area and the communication speed vary depending on the spreading factor, as shown in [Table 3] below, an alarm message transmission signal and a time slot related to an emergency situation that must be grasped in the second terminal 120 are required. Communication may be operated by allowing a spreading factor suitable for the type of message and its respective characteristics such as an assignment signal to be selected. For example, SF 12 may be used because an alarm message for informing an emergency situation needs to be transmitted safely and far, and communication complexity increases when a plurality of additionally dispatched first terminals randomly allocate timeslots. SF 6 with high communication speed can be utilized.

Mode Equivalent bit rate (kb / s) Sensitivity (dBm) △ (dB) FSK 1.2 -122 - LoRa SF = 12 0.293 -137 +15 LoRa SF = 11 0.537 -134.5 +12.5 LoRa SF = 10 0.976 -132 +10 LoRa SF = 9 1757 -129 +7 LoRa SF = 8 3125 -126 +4 LoRa SF = 7 5468 -123 +1 LoRa SF = 6 9375 -118 -3

Message type characteristic Diffusion factor Beacon Feature Message Time slot information assigned by the server Requires fast communication speeds for large numbers of people SF7 Confirmation message Time slot selection contents when additional occurrence of the first terminal occurs Requires fast communication speeds for large numbers of people SF6 Location information and status information Information periodically transmitted to identify the situation of the first terminal Requires fast communication speeds for large personnel status SF7 Communication message between 2nd terminal Sharing Information Between Second Terminals Required to eliminate communication interference between the first terminal and the second terminal SF8 Alarm message Messages to inform you of an emergency Stability required SF12

11 is an exemplary diagram for describing information output from a first terminal.

Referring to FIG. 11, the first terminal 110 may display information acquired internally or various information received from the outside. Preferably, the first terminal 110 can display the operation mode and state of the first terminal 110, the battery state information of the first terminal 110, the current time, and the identifier of the first terminal 110 Can be displayed. For example, referring to FIG. 11A, the first terminal 110 is in the standby mode, the battery level is 35%, the communication state is good, and the current time is 12:06:35. The identifier is A01 and may indicate that it is currently moving.

Preferably, the first terminal 110 according to an alarm message generated by the emergency determination unit 243, or an alarm message or command message received from another first terminal 110 or the second terminal 120. Can be indicated. For example, as illustrated in FIGS. 11B and 11C, the first terminal 110 may display an emergency evacuation command or an alarm message.

Preferably, the first terminal 110 displays its position and relative position between the other first terminals based on the position information acquired through the position information acquisition unit 241 and the position information received from the other first terminal. can do. For example, as illustrated in FIG. 11D, the first terminal 110 may display relative positions of other first terminals based on its position, and illustrated in FIG. 9E. As described above, the detailed location information thereof, that is, latitude, longitude, altitude, and direction can be displayed.

Preferably, as shown in FIG. 11F, the first terminal 110 can display the current time and the site input time, and can also display the temperature.

12 is an exemplary diagram for describing information output from a second terminal.

Referring to FIG. 12, as shown in (a), the second terminal 120 may include a name or a terminal identifier of each firefighter associated with the firefighters, that is, the first terminals registered as monitoring target terminals. Display the number and status of the fire fighters on site. In addition, the second terminal 120 may determine whether the first terminal 110 is in an emergency state, the temperature of the first terminal 110, and the like, so that the first terminals registered as the monitoring target terminals may indicate the state of the firefighter. The state of the battery or the like can be displayed.

Preferably, as shown in (b), the second terminal 120 may display the relative positions of the first terminals registered as the monitoring target terminal based on the position of the second terminal 120.

Preferably, as shown in (c), the second terminal 120 may display a screen for setting the site input time of the first terminal 110, as shown in (d), 1 On-site input start time and current time based on each terminal 110 may be displayed on-site input time.

Preferably, as shown in (e), the second terminal 120 is a text message preset to all the first terminals or a specific first terminal registered as the monitoring target terminal, for example, emergency evacuation, call, etc. It is possible to display a screen for transmitting a message in which the contents of.

Although a preferred embodiment of the fire site monitoring system and method according to the present invention has been described above, the present invention is not limited thereto, and various modifications are made within the scope of the claims and the detailed description of the invention and the accompanying drawings. It is possible and this also belongs to the present invention.

100: monitoring system
110: first terminal
120: second terminal
130: server
140: gateway device

Claims (25)

A monitoring system comprising a first terminal capable of communicating with each other, a second terminal communicating with the first terminal, and a server capable of communicating with the second terminal,
The first terminal acquires location information and status information from a sensor provided therein;
The second terminal receives location information and status information from the first terminal and monitors operation of the first terminal based on the location information and status information;
The server, the monitoring system, characterized in that for receiving and managing the monitoring information on the operation of the first terminal from the second terminal.
The method of claim 1, wherein the first terminal,
GPS and barometric pressure sensor for obtaining the location information; And
Monitoring system comprising an acceleration sensor and a gyro sensor for obtaining the state information.
The method of claim 1, wherein the first terminal,
Monitoring location information and status information exchanged before communication with the second terminal, and generating an alarm message and exchanging an alarm message if it is determined that the emergency situation is based on the obtained status information. system.
The method of claim 1,
Further comprising a gateway device capable of communicating with the first terminal and the server,
The gateway device transmits the information on the first terminal received from the first terminal to the server,
The server selects and selects a time slot for communication between the first terminal and the second terminal in the order received from the gateway device, based on the information about the first terminal received from the gateway device. And transmitting the information of the timeslot to the second terminal.
The method of claim 4, wherein
The second terminal periodically transmits a communication message including the information of the timeslot received from the server,
The first terminal receives the communication message, checks the information of the timeslot included in the communication message, and transmits a response message for receiving the communication message to the second terminal according to the corresponding time slot. And establish communication with the second terminal.
The method of claim 5, wherein the first terminal,
If the communication message does not include the information of the timeslot, the size of the timeslot is expanded by a predetermined size, the timeslot is randomly selected, and the information of the selected timeslot is transmitted to the second terminal. And if the selected timeslot overlaps with another first terminal, randomly reselects the timeslot.
The method of claim 5, wherein the second terminal,
And registering the first terminal having the communication as a monitoring target terminal and periodically receiving location information and status information from the first terminal.
The method of claim 7, wherein the second terminal,
Managing the site input time of the first terminal based on the time when the first terminal is registered as the monitoring target terminal,
Receive location information from the first terminal, monitor the location movement and the relative position between the first terminal,
Receiving status information from the first terminal and monitoring the status of a firefighter associated with the first terminal.
The method of claim 8, wherein the second terminal,
If there is a first terminal in which the terminal to be monitored does not communicate for a predetermined time or more, the communication is not maintained through the first terminal which is periodically maintained in communication with the second terminal of the terminal to be monitored. Monitoring system, characterized in that the transmission and reception of information between the first terminal and the second terminal.
The method of claim 1, wherein the first terminal,
It is determined whether the emergency situation based on the status information, and if it is determined that the emergency situation alarm system characterized in that for transmitting to another first terminal or the second terminal.
The method of claim 10, wherein the second terminal,
And when the alarm message is received from the first terminal, delivering the alarm message to all the first terminals or a specific first terminal to which communication is connected.
The method of claim 1, wherein the second terminal,
If it is determined that the emergency situation based on the location information and the status information received from the first terminal, the monitoring system, characterized in that for transmitting to all the first terminal or a specific first terminal.
The method of claim 1, wherein the server,
Collecting the monitoring information received from the second terminal, managing the history of each of the first terminals based on the monitoring information, and if it is determined to correspond to an emergency based on the collected monitoring information; Send a command message to the terminal,
And the command message is transmitted from the second terminal to all the first terminals or a specific first terminal to which the communication with the second terminal is connected.
A monitoring method performed in a monitoring system including a first terminal capable of communicating with each other, a second terminal communicating with the first terminal, and a server capable of communicating with the second terminal,
(a) the first terminal, obtaining location information and status information from a sensor provided therein;
(b) receiving, by the second terminal, location information and status information from the first terminal, and monitoring an operation of the first terminal based on the location information and status information; And
(c) the server, the monitoring method comprising the step of receiving and managing the monitoring information on the operation of the first terminal from the second terminal.
The method of claim 14, wherein step (a) is
Exchanging location information and state information acquired before communication with the second terminal, and generating and exchanging an alarm message if it is determined that the emergency situation is based on the obtained state information. Characterized in the monitoring method.
The method of claim 14, wherein, prior to step (a),
The gateway device capable of communicating with the first terminal and the server may include receiving information on the first terminal from the first terminal and transferring the received information about the first terminal to the server; And
The server selects and selects a time slot for communication between the first terminal and the second terminal in the order received from the gateway device, based on the information about the first terminal received from the gateway device. And transmitting information of a timeslot to the second terminal.
The method of claim 16, wherein before step (a),
Periodically transmitting, by the second terminal, a communication message including time slot information received from the server; And
The first terminal receives the communication message, checks the information of the timeslot included in the communication message, and transmits a response message for receiving the communication message to the second terminal according to the corresponding time slot. Establishing a communication with the second terminal.
18. The method of claim 17, wherein, prior to step (a),
If the communication message does not include time slot information, the first terminal expands the size of the time slot by a predetermined size and then randomly selects a time slot; And
The first terminal includes transmitting information of the selected timeslot to the second terminal.
If the selected timeslot overlaps with another first terminal, the timeslot is randomly reselected.
The method of claim 17, wherein step (b)
Registering the first terminal on which the communication is formed as a monitoring target terminal; And
And periodically receiving location information and status information from the first terminal.
The method of claim 19, wherein step (b)
Managing a site input time of the first terminal based on a time when the first terminal is registered as a monitoring target terminal;
Receiving location information from the first terminal to monitor location movement and relative location between the first terminals;
Receiving status information from the first terminal and monitoring a status of a firefighter associated with the first terminal.
The method of claim 20, wherein step (b) comprises:
The second terminal, when there is a first terminal that does not communicate for more than a predetermined time among the monitoring target terminal, the communication through the first terminal periodically maintained communication with the second terminal of the monitoring target terminal, And transmitting and receiving information between the first terminal and the second terminal.
The method of claim 14, wherein step (a) is
Determining whether it is an emergency based on the state information and transmitting an alarm message to another first terminal or the second terminal if it is determined to correspond to an emergency.
The method of claim 22, wherein step (b)
And when the alarm message is received from the first terminal, transmitting the alarm message to all the first terminals or a specific first terminal to which the communication is connected.
The method of claim 14, wherein step (b) comprises:
If it is determined that the emergency situation is based on the location information and the status information received from the first terminal further comprising the step of generating an alarm message and transmitting to all the first terminal or a specific first terminal Way.
The method of claim 14, wherein step (c) comprises:
Collecting monitoring information received from the second terminal;
Managing a history of each of the first terminals based on the monitoring information; And
If it is determined that the emergency situation is based on the monitoring information, the monitoring method comprising the step of transmitting a command message to the second terminal

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