KR101627111B1 - Fire sensing system and method for sensing fire thereby - Google Patents

Abstract

A plurality of routers connected in series with each other in any one of a plurality of channels of a receiver; A plurality of relays connected to the plurality of routers, the plurality of relays being connected to the first router, And a plurality of detector groups connected to each of the plurality of repeaters, for detecting whether a fire occurs in a predetermined area and transmitting a detection signal to a repeater connected thereto, wherein the number of the plurality of repeaters is larger than the number of the plurality of routers, A plurality of repeaters are connected to any one of the plurality of routers, and the repeater, which receives the sensing signal and the first address information among the plurality of routers, receives the sensing signal, the first address information, and the second address information thereof A fire detection system according to an embodiment of the present invention is disclosed.

Description

FIRE SENSING SYSTEM AND METHOD FOR SENSING FIRE THEREBY FIELD OF THE INVENTION The present invention relates to a fire detection system,

The present invention relates to a fire detection system and a fire detection method therefor. More particularly, the present invention relates to a fire detection system for detecting whether a fire has occurred in a predetermined area such as a high-rise building, and a fire detection method therefor.

Generally, a fire detection system is installed in the building to reduce the loss of life when a fire occurs. Such a fire detection system is used to detect a fire automatically through a detector that detects heat, smoke, flame, etc. generated by a fire or when a predetermined transmitter is operated by a fire detector, an alarm device such as a alarm, siren, To generate alarms to the people or residents in the building.

1, a general fire detection system 10, as shown in FIG. 1, includes a receiver 11 having a plurality of channels, a detector 11 connected in series to each channel, (15) and a repeater (13).

The number of terminals that can be connected to communicate with the receiver 11 is limited to one channel of the receiver 11 by the electrical characteristics of the receiver 11 and in order to preserve the communication speed. Since the detectors 15 and the repeaters 13 are connected in series to each channel of the receiver 11 according to the general fire detection system 10, the detectors 15 and the repeaters 13, which can be connected to the receiver 11, (13) are relatively small in number. Therefore, there is a problem that a plurality of general fire detection systems 10 should be installed in a very wide area where a fire is detected, such as a recent high-rise building, which may result in cost and waste of space.

A fire detection system and a fire detection method according to an embodiment of the present invention are intended to prevent a cost and a waste of space due to the installation of a fire detection system.

In addition, a fire detection system and a fire detection method according to an embodiment of the present invention are intended to reliably detect fire occurrence.

A fire detection system according to an embodiment of the present invention includes:

A plurality of routers connected in series with each other in any one of a plurality of channels of a receiver; A plurality of relays connected to the plurality of routers, the repeater being connected to the plurality of routers, for transmitting the first address information and a sensing signal indicating whether a fire occurs; And a plurality of detector groups connected to each of the plurality of repeaters, for detecting whether a fire occurs in a predetermined region and transmitting the detection signal to a repeater connected to the plurality of repeaters, wherein the number of the plurality of repeaters is And a plurality of repeaters are connected to any one of the plurality of routers, and the router receiving the sensing signal and the first address information among the plurality of routers transmits the sensing signal, the first Address information and its own second address information to the receiver.

Wherein each of the plurality of routers includes: an address setting unit for setting a second address; A first communication unit for transmitting the sensing signal, the first address information, and the second address information to the receiver; A second communication unit for receiving the sensing signal and the first address information from a repeater connected thereto; A status checking unit for checking a status of a repeater connected to the terminal and a status of communication with the repeater connected to the terminal; And a power supply unit for supplying power to the address setting unit, the first communication unit, the second communication unit, and the status checking unit.

Wherein the status checking unit determines that an abnormality has occurred in the first communication line connecting the second communication unit and the relay unit connected to the second communication unit, the status checking unit performs communication via the second communication line with the second communication unit and the relay unit connected to the second communication unit .

The status checking unit may further include a first communication line for connecting the second communication unit and the relay unit connected to the second communication unit when a response message to the status confirmation message transmitted to the relay unit connected to the second communication unit through the second communication unit is not received It can be determined that an abnormality has occurred.

The power supply unit may include a rechargeable battery.

Wherein the power supply unit receives power from the receiver through a third communication line connecting the first communication unit and the receiver to the address setting unit, the first communication unit, and the second communication unit, 2 communication unit and the status checking unit.

The first communication unit may transmit status information of the repeater detected by the status checking unit and communication status information of the repeater to the receiver.

According to another aspect of the present invention,

A method of detecting a fire by a fire detection system, comprising: detecting whether or not a fire occurs in any one of a plurality of detectors included in a plurality of detector groups; Transmitting a detection signal indicating whether or not the fire has occurred to any one of the plurality of repeaters, the one of the plurality of repeaters being connected to the repeater; Transmitting the sensing signal and its own first address information to a router of the plurality of routers connected to the repeater, the repeater receiving the sensing signal; And transmitting, by the router, the sensing signal, the first address information, and the second address information of the sensing signal and the first address information to the receiver, Wherein the number of the plurality of repeaters is greater than the number of the plurality of routers, and the number of repeaters connected to any one of the plurality of routers is greater than one And each of the plurality of detector groups may be connected to each of the plurality of repeaters.

The fire detection system and the fire detection method according to an embodiment of the present invention can prevent a waste of cost and space due to installation of a fire detection system.

In addition, the fire detection system and the fire detection method according to an embodiment of the present invention can reliably detect the occurrence of a fire.

1 is a diagram showing a general fire detection system.
2 is a diagram illustrating a fire detection system according to an embodiment of the present invention.
3 is a block diagram showing the configuration of the router shown in Fig.
4 is a flowchart showing a procedure of a fire detection method according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

2 is a diagram illustrating a fire detection system 100 in accordance with an embodiment of the present invention.

2, a fire detection system 100 according to an exemplary embodiment of the present invention includes a receiver 110, a plurality of routers 130, a plurality of repeaters 150, and a plurality of detector groups 170 do.

The receiver 110 can transmit a predetermined control command to each of the plurality of routers 130 and receives a detection signal indicating whether a fire has occurred from the plurality of routers 130. The sensing signal may include address information of the sensor 172 indicating which one of the sensors 172 included in the plurality of the sensor groups 170 is generated by the sensor 172. Accordingly, It is possible to confirm in which area the fire has occurred through the address information of the detector 172. [

The receiver 110 may receive the address information of the router 130 and the address information of the repeater 150 together with the detection signals from the plurality of routers 130. The address information of the router 130 is used to identify which router 130 among the plurality of routers 130 has transmitted the detection signal and the address information of the relay 150 is transmitted to any one of the plurality of repeaters 150 Is transmitting the detection signal.

The receiver 110 may include an output unit (not shown), and when the detection signal is received, the receiver 110 may output an output through which area the fire occurred. The output unit may include an output device such as a monitor, an emergency bell, or a printer.

Each of the plurality of routers 130 is serially connected to any one of a plurality of channels provided in the receiver 110. That is, in the general fire detection system 10 shown in FIG. 1, the detector 15 and the repeater 13 are connected in series to one channel, but according to the fire detection system 100 according to the embodiment of the present invention A plurality of routers 130 may be connected in series to one channel.

The plurality of routers 130 may determine the state of the repeater 150 and the communication state with the repeater 150 by receiving a response message to the repeater 150 after transmitting the status confirmation message to the repeater 150 connected thereto. Each of the plurality of routers 130 may transmit status information of the repeater 150 and communication status information of the repeater 150 to the receiver 110.

Each of the plurality of repeaters 150 is connected to each of the plurality of routers 130 and transmits a detection signal received from one of the detectors 172 included in the detector group 170 to the router 130 connected thereto . In addition, each of the plurality of repeaters 150 may transmit its own address information to the router 130 while transmitting a sensing signal. Each of the plurality of repeaters 150 may store unique address information.

The number of the plurality of repeaters 150 may be greater than the number of the plurality of routers 130 and more than one repeater 150 may be connected to any one router 130 of the plurality of routers 130 . That is, the router 130 and the repeater 150 may be connected one to the other.

Each of the plurality of detector groups 170 is connected in series to each of the plurality of repeaters 150, thereby being connected in parallel with each other. Each of the plurality of detector groups 170 may include at least one detector 172 or may further include a sub-repeater 174 for delivering the detection signal generated by the detector 172 to the repeater 150 It is possible.

The sensors 172 included in the plurality of sensor groups 170 may include, but are not limited to, at least one of a temperature sensing sensor and a smoke sensing sensor. The temperature sensor can detect the temperature change according to the resistance value of the element by using the thermistor element. In addition, the temperature sensor may be realized by a platinum resistance temperature sensing method, a thermocouple sensing method, and a radiation temperature sensing method of sensing a temperature by measuring a radiated temperature distribution.

The smoke sensor can be implemented as a photoelectric smoke sensor or an ion-sensitive smoke sensor that detects the degree of smoke concentration depending on the degree of receiving infrared or visible light emitted from an infrared or visible light emitting diode from the photodiode have.

Each of the detectors 172 included in the plurality of detector groups 170 may be assigned a unique address. Accordingly, the detector 172, which detects the occurrence of a fire, To the repeater 150 connected to the base station.

In the fire detection system 100 according to an embodiment of the present invention, a plurality of routers 130 are connected in series to one channel of the receiver 110, and each router 130 is provided with more than one repeater 130, A larger number of detectors 172 and repeaters 150 may be included in the repeater 150 than the general fire detection system 100 because the repeater 150 is connected to the repeater 150 and the repeater 150 is connected to the repeater 150. That is, the number of terminals that can be connected to one channel of the receiver 110 is limited. The fire detection system 100 according to an embodiment of the present invention includes a plurality of routers 130 in one channel of the receiver 110, A large number of detectors 172 can be connected.

Hereinafter, the configuration of the router 130 of the fire detection system 100 according to an embodiment of the present invention will be described in detail with reference to FIG.

3 is a block diagram showing the configuration of the router 130 shown in FIG.

3, the router 130 of the fire detection system 100 according to an embodiment of the present invention includes a first communication unit 131, an address setting unit 132, a second communication unit 133, a power supply unit 134, a control unit 135, and a status check unit 136. [

First, the address setting unit 132 may set the address of the router 130, and the receiver 110 may specify the router 130 through the set address. The address setting unit 132 may set a unique address for each of the plurality of routers 130.

The first communication unit 131 is configured to communicate with the receiver 110. When the sensing signal and the address information of the repeater 150 are received from the repeater 150 connected to the router 130, And may transmit the address information of the router 130 and the address information set by the address setting unit 132 to the receiver 110. The first communication unit 131 may transmit the status information of the repeater 150 or the communication status information to the repeater 150 as determined by the status checking unit 136 to the receiver 110.

The second communication unit 133 communicates with the repeater 150 and receives the sensing signal transmitted from the repeater 150 connected to the router 130 and the address information of the repeater 150. The second communication unit 133 may transmit a status confirmation message to the relay 150 connected to the router 130 under the control of the status checking unit 136. [

The state checking unit 136 detects the state of the repeater 150 and the communication state of the repeater 150. Specifically, the status checking unit 136 transmits a status confirmation message requesting status information of the repeater 150 to the repeater 150 via the second communication unit 133, and transmits a response message to the repeater 150 from the repeater 150 If it is received, the status of the repeater 150 can be confirmed through the received response message. The state checking unit 136 may also determine whether a response message is received from the repeater 150 within a predetermined period of time after transmitting the status confirmation message to the repeater 150, It can be determined that there is an error in the communication line of FIG. For example, the state checking unit 136 transmits a status confirmation message to the A-repeater 150 among the A-repeater 150, the B-repeater 150, and the C-repeater 150 connected to the router 130, The status of the A repeater 150 can be confirmed through the response message transmitted from the repeater 150. If a response message is not received from the A repeater 150, it is determined that there is an error in the communication channel with the A repeater 150 It can be judged.

If the second communication unit 133 fails to receive the response message from the repeater 150, the status checking unit 136 may determine that the second communication unit 133 is connected to the second communication unit 133 and the relay 150, It is determined that the main communication line is abnormal and the second communication unit 133 and the relay 150 can perform communication through the auxiliary communication line. Accordingly, even when an abnormality occurs in the main communication line, the second communication unit 133 and the relay 150 communicate with each other through the auxiliary communication line, so that the reliability of fire detection can be improved.

The power supply unit 134 supplies power to the first communication unit 131, the address setting unit 132, the second communication unit 133, and the state checking unit 136. The power supply 134 may be powered via a wired power line through an outlet, but may also include a rechargeable battery. By making the power supply to the router 130 a rechargeable battery, the router 130 can be installed even where there is no outlet. However, when the rechargeable battery is discharged, the operation of the router 130 will be stopped. Therefore, when the remaining power amount of the rechargeable battery is less than the predetermined value, the power supply unit 134 disconnects the first communication unit 131 and the receiver 110 And power can be supplied from the receiver 110 to the router 130 through the communication line to be connected. The power supply unit 134 divides a signal received through the communication line connecting the first communication unit 131 and the receiver 110 into a power signal and a communication signal and supplies the divided power signal to the first communication unit 131, The address setting unit 132, the second communication unit 133, and the state checking unit 136, as shown in FIG.

The control unit 135 controls operations of the first communication unit 131, the address setting unit 132, the second communication unit 133, the state checking unit 136, and the power supply unit 134.

4 is a flowchart showing a procedure of a fire detection method according to another embodiment of the present invention. Referring to FIG. 4, the fire detection method according to another embodiment of the present invention is comprised of the steps of time-series processing in the fire detection system 100 shown in FIG. Therefore, even if the contents are omitted in the following description, it can be understood that the contents described above with respect to the fire detection system 100 shown in FIG. 2 also apply to the fire detection method of FIG.

In step S410, any one of the detectors 172 included in the plurality of detector groups 170 detects whether a fire has occurred. The sensor 172 may include at least one of a temperature sensor and a smoke sensor. The sensor 172 detects whether or not a fire has occurred based on the temperature sensed by the temperature sensor or the amount of smoke sensed by the smoke sensor Can be detected.

In step S420, one of the plurality of detectors 172 transmits a detection signal indicating whether a fire has occurred to the repeater 150 connected to the one of the plurality of repeaters 150. [ The sensing signal includes address information of the sensor 172 indicating which sensor 172 the sensing signal is generated from.

In step S430, the repeater 150 receiving the detection signal transmits the address information and the detection signal of the repeater 150 to the router 130 connected to the repeater 150. [

In step S440, the router 130 receiving the address information and the sensing signal of the repeater 150 transmits the address information of the repeater 150, the sensing signal, and the address information of the repeater 150 to the receiver 110. [ Accordingly, the receiver 110 can determine from which sensor 172 the sensing signal is received and which repeater 150 is connected to which router 130.

The plurality of routers 130 are connected in series with each other for any one of a plurality of channels included in the receiver 110. The number of the plurality of repeaters 150 is greater than the number of the plurality of routers 130 More than one repeater 150 may be connected to any one router 130 of the plurality of routers 130 and each of the plurality of detector groups 170 may be connected to each of the plurality of repeaters 150.

The above-described embodiments of the present invention can be embodied in a general-purpose digital computer that can be embodied as a program that can be executed by a computer and operates the program using a computer-readable recording medium.

The computer readable recording medium may be a magnetic storage medium such as a ROM, a floppy disk, a hard disk, etc., an optical reading medium such as a CD-ROM or a DVD and a carrier wave such as the Internet Lt; / RTI > transmission).

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100: Fire detection system
110: receiver
130: Router
131: first communication section
132: address setting section
133:
134: Power supply
135:
136:
150: Repeater
170: Detector group
172: Detector

Claims (8)

A plurality of routers connected in series with each other in any one of a plurality of wired channels of a receiver;
A plurality of relays connected to the plurality of routers, the repeater being connected to the plurality of routers, for transmitting the first address information and a sensing signal indicating whether a fire occurs; And
And a plurality of detector groups connected to each of the plurality of repeaters, for detecting whether a fire occurs in a predetermined area and for transmitting the detection signal including address information of the fire detector to a repeater connected thereto,
Wherein the number of the plurality of repeaters is greater than the number of the plurality of routers, and one of the plurality of routers is connected to more than one repeater,
The router receiving the sensing signal and the first address information of the plurality of routers transmits the sensing signal, the first address information, and the second address information thereof to the receiver through any one of the wired channels,
Each of the plurality of routers communicates with a second communication line connecting itself and a repeater instead of the first communication line when it is determined that an abnormality has occurred in the first communication line connecting itself and the repeater,
Wherein each of the plurality of routers is driven by a rechargeable battery and receives power via a communication line connecting the receiver if the remaining amount of power of the rechargeable battery is less than a predetermined value,
Wherein the receiver checks in which area a fire has occurred based on the sensing signal, the first address information, and the second address information.
The method according to claim 1,
Wherein each of the plurality of routers includes:
An address setting unit for setting a second address;
A first communication unit for transmitting the sensing signal, the first address information, and the second address information to the receiver;
A second communication unit for receiving the sensing signal and the first address information from a repeater connected thereto;
A status checking unit for checking a status of a repeater connected to the terminal and a status of communication with the repeater connected to the terminal; And
And a power supply unit for supplying power to the address setting unit, the first communication unit, the second communication unit, and the status checking unit.
3. The method of claim 2,
Wherein the state checking unit comprises:
Wherein the second communication unit and the repeater connected to the second communication unit perform communication via the second communication line when it is determined that an abnormality has occurred in the first communication line connecting the second communication unit and the relay unit connected to the second communication unit. Fire detection system.
The method of claim 3,
Wherein the state checking unit comprises:
When it is determined that an abnormality has occurred in the first communication line connecting the second communication unit and the relay unit connected to the second communication unit, when a response message to the status confirmation message transmitted to the relay unit connected to the second communication unit is not received through the second communication unit The fire detection system comprising:
3. The method of claim 2,
The power supply unit includes:
A fire detection system, comprising a rechargeable battery.
6. The method of claim 5,
The power supply unit includes:
Wherein when the remaining power amount of the rechargeable battery is less than a predetermined value, power is supplied from the receiver through a third communication line connecting the first communication unit and the receiver, and the address setting unit, the first communication unit, Wherein the electric power is supplied to the load.
3. The method of claim 2,
Wherein the first communication unit comprises:
The status information of the repeater detected by the status checking unit, and the communication status information of the repeater to the receiver.
A fire detection method using a fire detection system,
Detecting whether any one of the detectors included in the plurality of detector groups generates a fire;
The one of the plurality of repeaters including a plurality of repeaters, the repeater being connected to the plurality of repeaters;
Transmitting the sensing signal and its own first address information to a router of the plurality of routers connected to the repeater, the repeater receiving the sensing signal;
Transmitting the sensing signal, the first address information, and the second address information of the wireless communication device to a receiver through a wired channel, the router receiving the sensing signal and the first address information; And
Wherein the receiver is configured to determine in which area a fire has occurred based on the sensing signal, the first address information, and the second address information,
Wherein the plurality of routers are connected to each other in a wired channel of any one of a plurality of wired channels provided in the receiver, the number of the plurality of repeaters is larger than the number of the plurality of routers, A plurality of repeaters are connected to each of the plurality of repeaters, and a plurality of repeaters are connected to one of the plurality of repeaters,
Each of the plurality of routers communicates with a second communication line connecting itself and a repeater instead of the first communication line when it is determined that an abnormality has occurred in the first communication line connecting itself and the repeater,
Wherein each of the plurality of routers is driven by a rechargeable battery, and power is supplied through a communication line connecting the receiver when the remaining power amount of the rechargeable battery is less than a predetermined value.

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