KR100628837B1 - Wireless fire-warning system and method - Google Patents

Abstract

The present invention relates to a wireless fire alarm system and method, and more particularly, to the control room and the occupant according to the fire hazard notification signal and the fire occurrence notification signal generated differently according to the temperature from the wireless fire detector for detecting the fire occurrence and By guiding propagation direction and evacuation method, it can minimize the damage of property and life due to fire, and it can prevent damage due to malfunction by transmitting fire signal of different grades in two stages. To this end, the present invention, wireless transmission and reception for wireless communication between the fire detection sensor 110 for detecting the temperature of the installation area and the battery 140 for supplying the power required for the operation of the detector and other fire detector or control server 200 When the temperature detected by the unit 150 and the fire detection sensor 110 reaches a predetermined value, the wireless transceiver 150 transmits a fire hazard notification signal or a fire occurrence notification signal including a unique number assigned to the controller 150. One or more fire detectors (100a to 100n) having an alarm generating unit 120 for notifying the occupants of the fire in accordance with the control of the CPU 130 and the CPU 130 to be transmitted through the installed in the building element elements And a control server (200) for notifying an outside organization of the occurrence of a fire or notifying the occupants in accordance with the transmission signal of the fire detectors (100a to 100n). The detectors 100a to 100n wirelessly transmit a fire hazard notification signal when the temperature detected through the fire detection sensor 110 reaches 70 ° C, and wirelessly transmit a fire occurrence notification signal when the detected temperature reaches 80 ° C. It is characterized by.

Fire, alarm, detection, wireless

Description

Wireless fire alarm system and method {WIRELESS FIRE-WARNING SYSTEM AND METHOD}             

1 is a view showing a wireless fire alarm system according to the present invention,

2 and 3 are flow charts showing the operation method of the fire detector shown in FIG.

2 is a flowchart illustrating a method of operating a detector that initially detects a fire occurrence;

3 is a flowchart illustrating a method of operating an adjacent detector;

4 is a flowchart illustrating a method of operating the control server shown in FIG. 1.

<Description of the symbols for the main parts of the drawings>

100: fire detector 110: fire detection sensor

120: alarm generating unit 130: CPU

140: battery 150: wireless transceiver

200: control server 210: display unit

220: fire occurrence notification unit 230: control unit

240: wireless receiver 250: fire situation broadcasting unit

The present invention relates to a fire alarm system and method, and more particularly, to the control room and the occupant according to the fire hazard notification signal and fire occurrence notification signal generated differently according to the temperature from the wireless fire detector for detecting the occurrence of fire and It guides the radio wave direction and evacuation method to minimize the damage of property and life due to fire, and it transmits fire signal of different grades in two stages, so it is possible to prevent the damage caused by malfunction. It is about.

In general, the fire alarm system is equipped with a plurality of fire detection sensors on the element in the building, and generates an alarm in accordance with the detection signal of the fire detection sensor to notify the occupants of the fire, thereby inducing the safe evacuation of the occupants do.

As the fire detection sensor, a heat sensor for detecting heat generated by a fire, a smoke sensor for detecting smoke, and a water vapor sensor for detecting water vapor are used, and the heat sensor sounds an alarm when a certain temperature is reached. Constant temperature, differential differential alarms based on the rate of temperature rise, and compensating formulas incorporating both are used.

On the other hand, as a smoke sensor or a water vapor sensor, an optoelectronic type for detecting reflectance by projecting infrared rays onto smoke or water vapor, an ionization type for detecting ionization by projecting α rays to smoke or water vapor, a resistance bridge type for detecting resistance, and light A fog sensor is used to detect the blocking rate.

These fire detection sensors are installed according to the detection method for each zone or individual detection method. The fire compartment sensor is divided into a number of areas and the fire detection sensor is installed in each area, and then several areas are bundled into one area to generate a fire. The detection method for each zone to detect the problem was that the exact location of the fire could not be known in case of fire.

The individual detection method developed to solve this problem has the advantage that the fire detection sensor is installed in each area of the partitioned building and the location of the fire can be accurately known by detecting whether the fire occurs in the area through each sensor. have.

However, in the conventional fire alarm system in which a zone detection method or an individual detection method is applied as described above, a wire connection between a fire detection sensor and a control room or each fire detection sensor is carried out in terms of material and labor costs for wiring rather than the price of the device itself. There was a problem of more cost.

In addition, the conventional fire detection system has a problem that it is difficult to establish and change the fire detection system for the existing building as well as delay the air of the building due to the installation of the fire detection system as it is installed along with the electrical wiring during the construction of the building. .

In addition, when the wiring of the pre-installed fire detection system is broken, there is a problem that it is not possible to induce the safe evacuation of the occupants due to the failure to detect the occurrence of fire.

Therefore, the present invention has been invented to solve the above problems, in particular to the control room and the occupant according to the fire hazard notification signal and fire occurrence notification signal generated differently according to the temperature from the wireless fire detector for detecting the occurrence of fire It guides the occurrence, propagation direction and evacuation method of fire, thus minimizing damage to property and life due to fire, and by transmitting fire signal of different grades over two stages, wireless fire alarm to prevent damage caused by malfunction It is an object of the present invention to provide a system and method.

In order to achieve the above object, the present invention is provided with one or more fire detectors installed on the elements of the building, and a control server for notifying the outside of the fire or notify the occupants of the occurrence of fire in accordance with the transmission signal of the fire detectors A fire alarm system comprising: a fire detection sensor for detecting a temperature of an installation area; A battery for supplying power for the operation of the detector; A wireless transceiver for wireless communication with another fire detector or control server; A CPU for transmitting a fire hazard notification signal or a fire occurrence notification signal including a unique number assigned to itself through the wireless transceiver, when the temperature detected by the fire detection sensor reaches a preset value; And according to the control of the CPU characterized in that it comprises an alarm generating unit for notifying the occupant of the fire.

The fire detector may wirelessly transmit a fire danger notification signal when the temperature detected by the fire detection sensor reaches 70 ° C., and wirelessly transmit a fire occurrence notification signal when the detected temperature reaches 80 ° C. .

In addition, when a fire hazard notification signal sent from an arbitrary fire detector is received, the nearest fire detector detects the ambient temperature through its own fire detection sensor, and when the detected temperature reaches 70 ° C, the unique number assigned to the fire detector is given. It characterized in that for transmitting a fire occurrence notification signal comprising a wireless transmission and reception unit.

In addition, the control server, the wireless receiving unit for receiving a radio signal from the fire detector; A display unit which displays a fire-capable area or a fire generation area according to a fire hazard notification signal or a fire occurrence notification signal received through the wireless receiver; A fire occurrence notifying unit that notifies a related external organization when a fire occurs; A fire situation broadcasting unit for broadcasting a fire occurrence situation to the occupants; And the fire number notification signal received through the wireless receiver or a unique number included in the fire occurrence notification signal to identify a fire-capable area or a fire occurrence area, and display it on the display unit. And a controller for controlling the notification unit and the fire situation broadcasting unit to notify the relevant organizations and the occupants of the fire occurrence situation.

The control unit analyzes the propagation direction of the flame according to the fire occurrence notification signals sequentially received, and transmits a guide broadcast for inducing the safe evacuation of the occupants according to a predetermined fire response method through the fire situation broadcasting unit. It is done.

On the other hand, a fire alarm method applied to a wireless fire alarm system having at least one fire detector capable of wireless communication with each other and a control server in the control room, the temperature of the fire detector detected by any one of the fire detectors is 70 A first step of wirelessly transmitting a fire hazard notification signal including a unique number assigned to the fire detector by the corresponding fire detector; Even after the fire hazard notification signal is wirelessly transmitted in the first step, if the detection temperature gradually rises to 80 ° C, the corresponding fire detector wirelessly transmits a fire occurrence notification signal including its own number and operates a buzzer or a warning light. A second step of informing the occupants of the occurrence of a fire; A third step in which the corresponding fire detector wirelessly transmits a fire occurrence notification signal including its own number when the temperature detected by the adjacent fire detector that has received the fire hazard notification signal wirelessly transmitted in the first step reaches 70 ° C; step; And in response to the fire hazard notification signal or the fire occurrence notification signal sent out in the first to third stages, the control server displays a fireable region or a fire occurrence region on the display unit, and displays a fire occurrence situation depending on whether a fire has occurred. And a fourth step of informing the occupants.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing a wireless fire alarm system according to the present invention, the fire detector (100a ~ 100n) for detecting the occurrence of fire is installed in each area in the building divided into a plurality of areas, the control room for crime prevention and control The control server 200 is installed to notify the outside of the fire or broadcast to the occupants in accordance with the transmission signal of the fire detector (100a ~ 100n) to induce safe evacuation, the fire detector (100a ~ 100n) ) Is configured to wirelessly transmit and receive signals to each other and to wirelessly communicate with the control server 200.

That is, the fire detectors 100a to 100n include a fire detection sensor 110 for detecting the occurrence of a fire, a battery 140 for supplying power for the operation of the detector, and a buzzer for notifying the occupant of the fire. Alternatively, the alarm generating unit 120 including a warning light, a wireless transmission / reception unit 150 for wireless communication with another fire detector or control server 200, and an output signal or wireless transmission / reception unit 150 of the fire detection sensor 110. Each of the plurality of CPUs 130 for controlling the overall operation of the topic detector according to the signal received through the), the CPU 130 is stored with its own unique ID (ID).

On the other hand, the control server 200 is a wireless receiving unit 240 for receiving a radio signal from the fire detector (100a ~ 100n), and the fire hazard notification signal or fire occurrence notification signal received through the wireless receiving unit 240 In accordance with the display unit 210 to display the fire or the area where the fire occurs, the fire occurrence notification unit 220 to notify the relevant external organizations such as fire and police when the fire occurs, and the fire to broadcast the fire situation to the occupants The situation broadcaster 250, and the controller 230 for controlling the overall operation of the control server 200 in accordance with the fire risk or fire occurrence notification signal received through the wireless receiver 240.

Next, a method of operating the wireless fire alarm system configured as described above will be described in detail with reference to FIGS. 2 to 4.

2 and 3 are flowcharts illustrating a method of operating a fire detector according to the present invention, FIG. 2 is a flowchart illustrating an operation method of a fire detector that first detects a fire occurrence, and FIG. This is a flowchart showing the operation method of a fire detector installed adjacently. 4 is a flowchart illustrating a method of operating a control server according to the present invention.

When the fire alarm system according to the present invention is driven, as shown in FIG. 2, the fire detectors 100a to 100n installed in each area of the building sense the temperature of the area to detect whether a fire has occurred. That is, the fire detector of any one of the fire detector (100a ~ 100n), for example, when the temperature of the corresponding area detected through the fire detection sensor 110 of the first fire detector (100a) reaches 70 ℃ The CPU 130 of 100a wirelessly transmits a fire hazard notification signal including a unique number assigned to the user through the wireless transceiver 150 (S201 to S203).

In addition, when the detection temperature gradually increases to reach 80 ° C. even after wirelessly transmitting the fire danger notification signal, the CPU 130 of the fire detector 100a transmits a fire occurrence notification signal including its own number to the wireless transceiver 150. Wireless transmission through the (S204 ~ S205), and by operating the buzzer or warning lights of the alarm generating unit 120 to notify the occupants of the fire (S206).

Meanwhile, as illustrated in FIG. 3, the CPU 130 of the other fire detectors 100n that receive the fire hazard notification signal wirelessly transmitted from the first fire detector 100a may include a unique number (ID) included in the fire hazard notification signal. Compares the unique number stored in the internal memory to check whether the corresponding received signal is a signal transmitted from an adjacent fire detector (100a) (S302).

 If the received signal is not a transmission signal from the adjacent fire detector 100a, the signal is ignored. If the received signal is a transmission signal from the adjacent fire detector 100a, the corresponding fire detector 100n is the fire detection sensor 110. Detects the temperature of the area assigned to them through (S303), and when the detected temperature reaches 70 ° C, the fire occurrence notification signal including its own number is wirelessly transmitted through the wireless transceiver 150 (S305). In addition, by operating the buzzer or warning lights of the alarm generating unit 120 to notify the occupants of the fire (S306).

On the other hand, the control server 200 monitors the transmission signal of the fire detectors (100a ~ 100n), as shown in Figure 4 any fire detector, for example, the first fire detector (100a) through the wireless receiver 240 When the fire hazard notification signal transmitted wirelessly is received (S401), the installation location of the corresponding fire detector (100a) by querying the unique number included in the fire hazard notification signal so that the control personnel can determine whether the fire in the area Is displayed on the display unit 210 (S402).

On the other hand, when a fire occurrence notification signal is received from the corresponding fire detector (100a) that sent a fire hazard notification signal (S403), the control unit 230 of the control server 200 through the fire occurrence notification unit 220 the fire occurrence situation After notifying the relevant external organizations such as a fire station and police station (S404), through the fire situation broadcasting unit 250 broadcasts the current fire occurrence situation to the occupants (S407). That is, the controller 230 broadcasts the current fire occurrence situation to the occupants, for example, "Please evacuate because a fire has occurred in the area A," according to the precautionary measures for fire pre-stored in the internal memory.

In addition, the control server 200 receives a fire occurrence notification signal from the fire detector 100n adjacent to the fire detector 100a transmitting the fire hazard notification signal (S405), the unique number included in the received fire occurrence notification signal. To display the installation position of the corresponding fire detector (100n) on the display unit 210 (S406), and broadcasts the current fire progress to the occupants through the fire situation broadcasting unit 250 (S407). In other words, according to the fire handling tips pre-stored in the internal memory, the control unit 230, for example, "the flame is spreading from the area A to the area B, please evacuate using the exit C", the current progress of the fire Broadcast to resident to induce safe evacuation of resident.

As described above, the present invention guides the control room and the occupants to the occurrence of fire, the direction of propagation, and the evacuation method according to the fire hazard notification signal and the fire occurrence notification signal generated differently according to the temperature from the wireless fire detector for detecting the occurrence of fire. As a result, it is possible to minimize damages to property and life due to fire, and because it transmits fire signals having different grades over two stages, it is a very useful invention that can prevent damage due to malfunction.

Claims (6)

delete The fire transceiver 150 for detecting the temperature of the installation area and the wireless transmission and reception unit 150 for wireless communication with the battery 140 and the other fire detector or control server 200 for supplying power for the operation of the detector and the When the temperature detected by the fire detection sensor 110 reaches a predetermined value, the CPU 130 for transmitting a fire danger notification signal or a fire occurrence notification signal including a unique number assigned to the self through the wireless transceiver 150. And at least one fire detector (100a to 100n) installed in the building element and the alarm generating unit 120 to notify the occupant of the fire under the control of the CPU 130 and the fire detector ( In a wireless fire alarm system having a control server 200 for notifying the outside of the fire or notify the occupants of the fire in accordance with the transmission signal (100a ~ 100n): The fire detectors 100a to 100n wirelessly transmit a fire hazard notification signal when the temperature detected through the fire detection sensor 110 reaches 70 ° C, and wirelessly transmit a fire occurrence notification signal when the detected temperature reaches 80 ° C. Wireless fire alarm system, characterized in that the transmission. delete delete The method of claim 2, wherein the control server 200 has a control unit 230 for analyzing the propagation direction of the flame according to the fire hazard notification signal and the fire occurrence notification signal sequentially received, according to a predetermined fire response method Wireless fire alarm system comprising a fire situation broadcasting unit for transmitting a guide broadcast for inducing the safe evacuation of occupants. A fire alarm method applied to a wireless fire alarm system having one or more fire detectors 100a to 100n capable of wireless communication with each other and a control server 200 in a control room: When the temperature detected by the fire detector 100a of any of the fire detectors 100a to 100n reaches 70 ° C, the corresponding fire detector 100a wirelessly transmits a fire hazard notification signal including a unique number assigned to the fire detector 100a. A first step (S201 to S203) for transmitting; Even after the fire hazard notification signal is wirelessly transmitted in the first step, when the detection temperature is gradually increased to reach 80 ° C., the corresponding fire detector 100a wirelessly transmits a fire occurrence notification signal including its own number, and buzzer or A second step (S204 ˜ S206) of informing the occupants of the occurrence of a fire by operating a warning light; When the temperature detected by the adjacent fire detector 100n receiving the fire hazard notification signal wirelessly transmitted in the first step reaches 70 ° C., the corresponding fire detector 100n includes a fire number notification signal of its own. A third step (S301 to S306) for transmitting the radio; And According to the fire hazard notification signal or the fire occurrence notification signal sent out in the first to third steps, the control server 200 displays a fireable area or a fire occurrence area on the display unit 210, and according to whether or not a fire occurs, And a fourth step (S401 to S407) for informing the relevant situation to the relevant organizations and the occupants of the fire alarm.

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