KR102214351B1 - Management system for fire detector - Google Patents

Abstract

The fire detector management system includes a plurality of detection units for generating detection signals from the plurality of fire detectors, respectively, and a detector management unit for managing abnormal operation of the plurality of detection units. The detector management unit includes an abnormality signal determination unit that determines whether or not the detection signals are abnormal, and an abnormality detector information generation unit that provides location information of the detection unit that generates the abnormality detection signal determined by the abnormality signal determination unit.

Description

Fire detector management system {Management system for fire detector}

The present invention relates to a fire detector management system.

In general, a fire detection system detects smoke caused by a fire through a plurality of detectors, and informs whether a fire has occurred by receiving a signal for this.

The fire detector can recognize the fire by detecting the amount of smoke entering. If dust or insects are trapped or introduced into the hole where smoke is introduced from the fire detector, the fire detector will malfunction or malfunction. In this case, the manager who manages the fire detector must check whether it is malfunctioning.

In the case of a large building or business site, a plurality of fire detectors are provided and can be arranged in a certain space. In this case, there is an inconvenience that the manager must check numerous fire detectors one by one and determine whether or not there is a failure.

An aspect of the present invention provides a fire detector management system with improved system.

An aspect of the present invention provides a fire detector management system with improved reliability.

A fire detector management system according to the inventive concept comprises: a plurality of detectors each generating a detection signal from a plurality of fire detectors; And a detector management unit for managing abnormal operation of the plurality of detection units, wherein the detector management unit includes a detection signal from an nth detection unit among the plurality of detection units and a detection unit adjacent to the nth detection unit. An abnormal signal determination unit that determines whether or not the detection signals are abnormal based on the detection signal; And an abnormality detector information generation unit that provides location information of a detection unit that has generated the abnormality detection signal determined by the abnormality signal determination unit.

When the amplitude difference of the wave in the detection signal from the nth detection unit and the detection signal from the adjacent detection unit is greater than or equal to a reference value, the abnormal signal determination unit Among the detection signals, a detection signal having a small wave amplitude may be determined as an abnormality detection signal.

When the difference between the average value of the detection signal of the n-th detection unit and the detection signal of the adjacent detection unit is greater than or equal to a reference value, the abnormal signal determination unit detects the detection signal by the n-th detection unit and the adjacent detection unit. Among the signals, a detection signal having a large average value may be determined as an abnormality detection signal.

The abnormality detector information generation unit may be provided to transmit location information of the detection unit generating the abnormality detection signal to a user terminal.

A database storing location information of the plurality of detection units; further comprising, the abnormal signal determining unit and the abnormality detector information generating unit, generating the n-th detection unit and the adjacent detection unit and the abnormality detection signal from the database Position information of one sensing unit can be obtained.

As the location information stored in the database, IP information of the plurality of detection units may be stored.

The plurality of fire detectors may include a housing; A light emitting device disposed inside the housing; And a light-receiving element configured to receive light scattered by smoke flowing into the housing among light emitted from the light-emitting element.

According to an aspect of the present invention, by improving the management system, it is possible to improve the management efficiency for fire detectors.

According to an aspect of the present invention, it is easy to know whether or not the fire detectors are faulty, so that management costs can be reduced.

According to an aspect of the present invention, it is possible to determine whether or not the fire detectors are faulty on the system, thereby improving the reliability of fire detection.

1 is a perspective view of a fire detector of a fire detector management system according to an embodiment of the present invention.
2 and 3 are diagrams of a detection device of a fire detector management system according to an embodiment of the present invention.
Figure 4 is a block diagram of a fire detector management system according to an embodiment of the present invention.
5 is a graph showing an abnormal signal of the fire detector management system according to an embodiment of the present invention.
6 is a flow chart of a fire detector management system according to an embodiment of the present invention.
7 is a graph showing an abnormal signal of the fire detector management system according to an embodiment of the present invention.
8 is a flow chart of a fire detector management system according to another embodiment of the present invention.

The embodiments described in the present specification and the configurations shown in the drawings are only preferred examples of the disclosed invention, and there may be various modifications that may replace the embodiments and drawings of the present specification at the time of filing of the present application.

In addition, the same reference numerals or reference numerals shown in each drawing of the present specification indicate parts or components that substantially perform the same function.

In addition, terms used in the present specification are used to describe the embodiments, and are not intended to limit and/or limit the disclosed invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features. It does not preclude the presence or addition of elements, numbers, steps, actions, components, parts, or combinations thereof.

In addition, terms including ordinal numbers such as “first” and “second” used in the present specification may be used to describe various elements, but the elements are not limited by the terms, and the terms are It is used only for the purpose of distinguishing one component from other components. For example, without departing from the scope of the present invention, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element. The term “and/or” includes a combination of a plurality of related listed items or any of a plurality of related listed items.

In addition, terms such as "~ unit", "~ group", "~ block", "~ member", and "~ module" may mean a unit that processes at least one function or operation. For example, the terms may refer to at least one hardware such as field-programmable gate array (FPGA)/application specific integrated circuit (ASIC), at least one software stored in a memory, or at least one process processed by a processor. have.

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

1 is a perspective view of a fire detector of a fire detector management system according to an embodiment of the present invention, and FIGS. 2 and 3 are diagrams of a detection device of a fire detector management system according to an embodiment of the present invention.

The fire detector management system (1) is provided to search for a fire detector (10) that operates abnormally such as a failure or malfunction in a structure where a plurality of fire detectors (10) are installed, such as a building or a large business site. do.

The fire detector 10 is provided to detect whether a fire has occurred by detecting the amount of smoke generated when a fire occurs.

The fire detector 10 may include a housing 12 detachably attached to a ceiling or a wall, and a detection device 20 forming a smoke detection space 24 within the housing 12.

The housing 12 forms a housing opening 14 through which smoke can be introduced, and may be configured to protrude from a ceiling or a wall to a predetermined size.

The sensing device 20 (refer to FIG. 2) may include a device body 22 and a device cover 30 (refer to FIG. 3) covering the device body 22.

The device body 22 is provided to form a smoke sensing space 24 into which smoke is introduced, and to block light from outside directed to the smoke sensing space 24. The device body 22 may include a plurality of smoke guides 26 forming a smoke sensing space 24. The plurality of smoke guides 26 may be arranged along the circumference of the smoke sensing space 24. The plurality of smoke guides 26 may be arranged approximately along the circumference.

The plurality of smoke guides 26 may be arranged in an approximately'ㅏ' shape. It may be arranged to be inserted into the concave groove of any one smoke guide 26 so that the adjacent smoke guide 26 does not contact. Through this configuration, smoke generated by a fire is introduced into the guide space 26a formed between the plurality of smoke guides 26, and light from the outside may be blocked by the plurality of smoke guides 26.

The device body 22 may include a light emitting device 27 and a light receiving device 28. The light-emitting element 27 and the light-receiving element 28 may be arranged to be spaced apart from each other by a predetermined angle around a point of the smoke sensing space 24. That is, the angle of light emitted from the light emitting device 27 may be arranged to be different from the angle of light received by the light receiving device 28. When smoke is introduced into the smoke sensing space 24, light emitted from the light emitting device 27 is refracted or scattered by the introduced smoke, and the refracted or scattered light may be received by the light receiving device 28. Through this configuration, when the light received by the light-receiving element 28 is more than a certain amount, it can be recognized that smoke due to fire is generated. The plurality of detection units 40 may be provided to detect light-receiving signals from the plurality of fire detectors 10, respectively. The device main body 22 includes a blocking partition 29 disposed between the light-emitting element 27 and the light-receiving element 28 to prevent light emitted from the light-emitting element 27 from being directly received by the light-receiving element 28 can do.

The device cover 30 may be configured to cover the device body 22 to be detachable from the device body 22. The device cover 30 may include a cover body 32 and a foreign body blocking wall 34 extending from the cover body 32 and disposed along the circumference of the plurality of smoke guides 26.

The cover body 32 may be formed in a substantially circular plate shape. The cover body 32 may be configured to cover the smoke sensing space 24.

The foreign material blocking wall 34 may be formed in a cylindrical shape. A plurality of holes 36 may be formed in the foreign matter blocking wall 34 and thus may be configured to allow smoke to enter. The plurality of holes 36 may be formed in a small size to prevent the inflow of foreign matter such as insects or dust, and allow smoke and air to flow.

Figure 4 is a block diagram of a fire detector management system according to an embodiment of the present invention, Figure 5 is a graph showing an abnormal signal of the fire detector management system according to an embodiment of the present invention.

The fire detector management system 1 may include a plurality of detection units 40 for detecting a fire, and a detector management unit 50 for managing abnormal operation of the plurality of detection units 40.

The detection unit 40 is disposed on each of the plurality of fire detectors 10 provided in the fire detector management system 1, and is provided to detect the amount of smoke generated. Each of the sensing units 40 may be assigned an IP.

The sensing unit 40 may detect a light-receiving signal received by the light-receiving element 28. The sensing unit 40 may generate an electrical signal (hereinafter “sensing signal”) proportional to the amount of received light.

The sensor management unit 50 may store detection signals generated by the plurality of detection units 40 in the database 60. The detector management unit 50 is provided to determine an abnormality detection signal among the detection signals and provide information on the abnormality detection unit 40.

The detector management unit 50 may include a signal collection unit 52.

The signal collection unit 52 is provided to collect detection signals from the plurality of detection units 40. The detection signals collected by the signal collection unit 52 may be collected together with the time history. The detection signals acquired by the signal collection unit 52 may be stored in the database 60. In the database 60, location information of the plurality of sensing units 40 is previously stored, and sensing signals may be classified and stored for each sensing unit 40. The location information of the plurality of detectors 40 stored in the database 60 may include IP information given to the plurality of detectors 40.

The detector management unit 50 may include a failure determination unit 54.

The failure determination unit 54 is provided to determine whether the plurality of detection units 40 operate abnormally based on the acquired signal. The detection signal that is the target of the failure determination unit 54 may be a real-time detection signal obtained by the signal collection unit 52 or a detection signal stored in the database 60.

The failure determination unit 54 may include an abnormal signal determination unit 56 and an abnormality detector information generation unit 58.

The abnormal signal determining unit 56 is provided to determine an abnormality detection signal among a plurality of detection signals. The sensing signal of the sensing unit 40 may form a certain wave as Sn of FIG. 5 due to the flow of dust or foreign substances caused by daily life such as movement of objects or people, ventilation, and rehabilitation. However, when the space through which air circulates is blocked by the fire detector 10, smoke does not flow in. That is, when the housing opening 14 of the fire detector 10, the guide space 26a, and the plurality of holes 36 formed in the foreign matter blocking wall 34 are blocked, the smoke flowing to the fire detector 10 is smoke It does not flow into the sensing space 24. The wave generated from the detection signal of the normal detection unit 40, such as Sn of FIG. 5, does not occur from the detection signal of the detection unit 40 having an adjacent abnormality, such as Sa of FIG. 5.

The abnormal signal determination unit 56 includes a detection signal generated by the n-th detection unit 40 among the plurality of detection units 40 and the detection unit 40 disposed adjacent to the n-th detection unit 40. The detection signals can be compared. Whether the detection units 40 are adjacent to each other may be set based on location information of the database 60. That is, by presetting the adjacent reference value, the detection signal of the n-th detection unit 40 and the detection signal of the adjacent detection unit 40 can be compared. The adjacent reference value may be set differently for each space in which the sensing region is divided, or may be set differently according to the position of the sensing region.

The abnormal signal determination unit 56 may compare detection signals to be compared after aligning them in the same time period based on the time history.

The abnormal signal determination unit 56 obtains each amplitude of the wave from the detection signals, and determines the nth detection unit 40 and the adjacent detection unit 40 as normal when the amplitude difference g of the amplitudes is less than the reference value. Is done. When the difference g of the amplitude of the detection signals is greater than or equal to the reference value, the abnormal signal determination unit 56 detects a detection signal having a small amplitude among the detection signals of the n-th detection unit 40 and adjacent detection units 40. It can be judged by an abnormality detection signal. In the case of FIG. 5, the detection signal Sa may be determined as an abnormality detection signal. The reference value may be preset. If the reference value is set to be large, the sensitivity may be lowered, and if the reference value is set to be small, the sensitivity may be increased. Adjustment of sensitivity may be a criterion for determining whether there is an abnormality.

The sensor information generation unit is provided to generate the location information of the detection unit 40 that has generated the abnormality detection signal searched for by the abnormality signal determination unit 56. In the case of FIG. 5, it is possible to generate location information of the sensing unit that generated the sensing signal Sa. The sensor information generation unit may obtain location information of the detection unit 40 that has generated an abnormal signal from the database 60. The sensor information generation unit may output the generated information through a display unit (not shown) or may transmit the generated information to the user terminal 70 through a communication unit.

Since the fire detector management system 1 is provided with a plurality of monitoring units, the determination by the abnormal signal determination unit 56 may be repeated as many as the number of the plurality of monitoring units.

The detector management unit 50 may include a communication unit.

The communication unit is provided to transmit information of the abnormal signal from the detector information generation unit and the location information of the detection unit 40 that generated the abnormal signal to the user terminal 70.

The communication unit is SWAP (Shared Wireless Access Protocol), Bluetooth, IrDA (Infrared Data Association), Zigbee, Wi-Fi, NFC (Near Field Communication), cellular and LTE (Long Term Evolution) communication. It is possible to communicate through at least one of the protocols.

The user terminal 70 is a desktop computer, a laptop computer, a tablet PC, a wireless phone, a mobile phone, a smart phone, and a smart watch. smart watch), smart glass, e-book reader, portable multimedia player (PMP), portable game console, navigation device, digital camera, digital multimedia broadcasting (DMB) player, digital voice recorder (digital audio recorder), digital audio player, digital picture recorder, digital picture player, digital video recorder, digital video player It may include, but is not limited thereto.

The following describes the operation of the fire detector management system of the present invention.

6 is a flow chart of a fire detector management system according to an embodiment of the present invention.

The detection unit 40 of the plurality of (k) fire detectors 10 may generate detection signals from the amount of light received. The generated detection signals may be collected by the signal collection unit 52 (S110).

The abnormal signal determination unit 56 may sequentially search for detection signals collected by the signal collection unit 52. The abnormal signal determination unit 56 may sequentially search for detection signals starting from the first detection unit 40 (S120).

The abnormal signal determining unit 56 may search for an abnormal signal among detection signals collected by the signal collecting unit 52. In detail, the abnormal signal determination unit 56 may compare a detection signal detected by the n-th detection unit 40 with a detection signal detected by the n-th detection unit 40 and the adjacent detection unit 40 (S130). . Thereafter, it is determined whether the difference g of the amplitudes of the detection signals detected by the n-th detection unit 40 and the adjacent detection unit 40 is greater than or equal to a reference value (S140).

When the difference in amplitude is greater than or equal to the reference value, the abnormal signal determination unit 56 searches for a detection signal having a small amplitude among the n-th detection unit 40 and the adjacent detection unit 40. The abnormality detector information generation unit 58 generates location information using the detection unit 40 that has generated a detection signal having a small searched amplitude as an abnormal motion detection unit (S150). Information generated by the abnormality detector information generating unit 58 may be output by the display unit or transmitted to the user terminal 70 through a communication unit. The abnormality detector information generation unit 58 proceeds to the next step after generating the location information as the abnormal motion detection unit.

When the difference g of the amplitude is less than the reference value, the abnormal signal determination unit 56 determines the detection units 40 as normal and proceeds to the next step.

Thereafter, it is determined whether n is k (S160), and when n is not k, the abnormal signal determination unit 56 sequentially compares the detection signal of the next detection unit 40 with the detection signal adjacent to the detection unit 40 As the process is repeated (S170, n <- n+1). When the detection signals of all the detection units 40 are compared by the abnormal signal determination unit 56, that is, when n=k, the process is terminated.

Through this process, the user can easily identify the fire detector 10 that is abnormally operating among the plurality of fire detectors 10. It is possible to easily maintain and repair the fire detectors 10 through the fire detector management system (1), and it is possible to omit the process of individually determining whether a plurality of fire detectors (10) has failed, so that the fire detectors (10) It can improve the management efficiency of

Hereinafter, a fire detector management system according to another embodiment of the present invention will be described. In the description, descriptions of the configurations overlapping with those described above will be omitted.

7 is a graph showing an abnormal signal of the fire detector management system according to an embodiment of the present invention. This will be described with reference to FIG. 4.

The abnormal signal determination unit 56 is provided to search for an abnormality detection signal among a plurality of detection signals. When dust or foreign matters are arranged or accumulated in the fire detector 10, light is reflected by the dust or foreign matters and the amount of light received by the light receiving element 28 increases. In this case, the average value of the detection signal of the abnormal detection unit 40 as shown in Sa of FIG. 7 is greater than the average value of the detection signal of the normal detection unit 40 as shown in Sn of FIG. 7.

The abnormal signal determination unit 56 includes a detection signal generated by the n-th detection unit 40 among the plurality of detection units 40 and the detection unit 40 disposed adjacent to the n-th detection unit 40. The detection signals can be compared.

Whether the detection units 40 are adjacent to each other may be set based on location information of the database 60. That is, by setting the adjacent reference value in advance, the detection signal of the n-th detection unit 40 and the detection signal of the adjacent detection unit 40 can be compared. The adjacent reference value may be set differently for each space in which the sensing region is divided, or may be set differently according to the position of the sensing region.

The abnormal signal determination unit 56 may compare the detected signals after aligning them in the same time period based on the time history.

The abnormal signal determination unit 56 detects the nth when the difference (g) between the average value of the detection signal generated by the n-th detection unit 40 and the average value of the detection signal generated by the adjacent detection unit 40 is less than the reference value. The unit 40 and the adjacent sensing unit 40 are determined to be normal.

When the difference g of the average value of the detection signals is greater than or equal to the reference value, the abnormal signal determination unit 56 detects a detection signal having a large average value among the detection signals of the n-th detection unit 40 and the detection signals of the adjacent detection unit 40. It can be judged by an abnormality detection signal. In the case of FIG. 7, the detection signal Sa may be determined as an abnormality detection signal. The reference value may be preset. If the reference value is set to be large, the sensitivity may be lowered, and if the reference value is set to be small, the sensitivity may be increased. Adjustment of sensitivity may be a criterion for determining whether there is an abnormality.

The sensor information generation unit is provided to generate the location information of the detection unit 40 that has generated the abnormality detection signal searched for by the abnormality signal determination unit 56. In the case of FIG. 7, it is possible to generate location information of the sensing unit that generated the sensing signal Sa. The sensor information generation unit may obtain location information of the detection unit 40 that has generated an abnormal signal from the database 60 (DB). The sensor information generation unit may output the generated information through a display unit (not shown) or may transmit the generated information to the user terminal 70 through a communication unit.

The following describes the operation of the fire detector management system of the present invention.

8 is a flowchart of a fire detector management system according to another embodiment of the present invention.

The detection unit 40 of the plurality (k) of fire detectors 10 may generate a detection signal from the amount of light received. The generated detection signals may be collected by the signal collection unit 52 (S210).

The abnormal signal determination unit 56 may sequentially search for detection signals collected by the signal collection unit 52. The abnormal signal determination unit 56 may sequentially determine detection signals starting from the first detection unit 40 (S220).

The abnormal signal determining unit 56 may search for an abnormal signal among detection signals collected by the signal collecting unit 52. In detail, the abnormal signal determination unit 56 may compare a detection signal detected by the n-th detection unit 40 with a detection signal detected by the n-th detection unit 40 and the adjacent detection unit 40 (S230). . Thereafter, it is determined whether the difference g between the average value of the detection signals detected by the n-th detection unit 40 and the adjacent detection unit 40 is greater than or equal to the reference value (S240). The average value of the sensing signals may be an average value of the signal strength of the sensing signals.

When the difference between the average values of the detection signals is greater than or equal to the reference value, the abnormal signal determination unit 56 searches for a detection signal having a large average value among the n-th detection unit 40 and the adjacent detection unit 40. The detection unit 40, which has generated a detection signal having a large average value searched by the abnormality detector information generation unit 58, is used as the abnormal motion detection unit to generate location information (S250). Information generated by the abnormality detector information generating unit 58 may be output by the display unit or transmitted to the user terminal 70 through a communication unit. The abnormality detector information generation unit 58 proceeds to the next step after generating the location information as the abnormal motion detection unit.

If the difference between the average values of the detection signals is less than the reference value, the abnormal signal determination unit 56 determines the detection units 40 as normal and proceeds to the next step.

Thereafter, it is determined whether n is k (S260), and when n is not k, the abnormal signal determination unit 56 sequentially compares the detection signal of the next detection unit 40 with the detection signal adjacent to the detection unit 40 As the process is repeated (S270, n <- n+1). When the detection signals of all the detection units 40 are compared by the abnormal signal determination unit 56, that is, when n=k, the process is terminated.

Through this process, the user can easily identify the fire detector 10 that is abnormally operating among the plurality of fire detectors 10. It is possible to easily maintain and repair the fire detectors 10 through the fire detector management system (1), and it is possible to omit the process of individually determining whether a plurality of fire detectors (10) has failed, so that the fire detectors (10) It can improve the management efficiency of

In the above, specific embodiments have been illustrated and described. However, it is not limited only to the above-described embodiments, and those of ordinary skill in the technical field to which the invention pertains will be able to perform various changes without departing from the gist of the technical idea of the invention described in the following claims. .

1: Fire detector management system 10: Fire detector
12: housing 20: sensing device
40: detection unit 50: sensor management unit
52: signal collection unit 54: failure determination unit
56: abnormal signal determination unit 58: abnormality detector information generation unit
60: database 70: user terminal

Claims (7)

A plurality of detectors each generating a detection signal from a plurality of fire detectors;
Including; a detector management unit for managing whether or not the plurality of detection units abnormal operation,
The detector management unit,
An abnormal signal determination unit which determines whether or not the detection signals are abnormal based on a difference between a detection signal from an nth detection unit among the plurality of detection units and a detection signal from a detection unit adjacent to the nth detection unit;
And an abnormality detector information generation unit for providing location information of a detection unit that has generated the abnormality detection signal determined by the abnormality signal determination unit. The method of claim 1,
The abnormal signal determination unit,
When the difference in amplitude of the wave in the detection signal from the nth detection unit and the detection signal from the adjacent detection unit is greater than or equal to a reference value
A fire detector management system for determining a detection signal having a small amplitude of a wave among the detection signal from the nth detection unit and the detection signal from the adjacent detection unit as an abnormality detection signal. The method of claim 1,
The abnormal signal determination unit,
When the difference between the average value of the detection signal from the nth detection unit and the detection signal from the adjacent detection unit is greater than or equal to a reference value,
A fire detector management system for determining a detection signal having a large average value among the detection signal from the nth detection unit and the detection signal from the adjacent detection unit as an abnormality detection signal. The method of claim 1,
The abnormality detector information generation unit,
A fire detector management system provided to transmit location information of a detection unit generating the abnormality detection signal to a user terminal. The method of claim 1,
Further comprising; a database storing the location information of the plurality of sensing units,
The abnormality signal determination unit and the abnormality detector information generation unit, a fire detector management system for acquiring the location information of the nth detection unit and the adjacent detection unit and the detection unit that generated the abnormality detection signal from the database. The method of claim 5,
Location information stored in the database,
A fire detector management system in which IP information of the plurality of detection units is stored. The method of claim 1,
The plurality of fire detectors,
housing;
A light emitting device disposed inside the housing;
A fire detector management system comprising: a light-receiving element configured to receive light scattered by smoke flowing into the housing among the light emitted from the light-emitting element.

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