KR20220123854A - Fire extinguishing system using sprinkler - Google Patents

Abstract

A fire extinguishing system using a sprinkler is provided to more effectively and reliably prevent fire extinguishment from becoming impossible due to inoperability of the entire system when a sensor failure occurs in a single-interlocked system. The fire extinguishing system using a sprinkler includes a fire-fighting pump; a power supply unit for supplying power; a sprinkler receiving a fluid through a flow path from the fire-fighting pump; a pre-action valve installed on the flow path to be involved in the flow of the fluid; a control module receiving the power from the power supply unit and controlling the operation of the pre-action valve; and a monitoring module for monitoring an abnormality in at least one of the control module and the power supply unit.

Description

Fire extinguishing system using sprinkler}

The present invention relates to a sprinkler fire extinguishing system.

The pre-action sprinkler system among water-based fire extinguishing facilities can extinguish the fire by spraying water on the fire area by sending water to the secondary side by the operation of the pre-action valve. Preaction valves in pre-actuated sprinkler systems are single-interlocked systems actuated by a detector signal, double-interlocked systems actuated by detector and head opening, detector or head opening It can be implemented as a non-interlocked system operated by In Korea, only a single-interlocked system is adopted, and such a system has a problem in that it is impossible to extinguish a fire because the system cannot be operated when a failure of the detector occurs. Therefore, in order to improve the fire safety of a nuclear power plant, a system capable of increasing the failure reliability of a detector is required.

Korean Patent No. 10-0665934

The problem to be solved by the present invention is a sprinkler that more effectively and stably prevents fire extinguishing from becoming impossible due to the inability to operate the entire system when a detector failure occurs in a single-interlocked system It provides the digestive system.

In addition, it is to provide a sprinkler fire extinguishing system that can improve the reliability and safety of system operation through proper fire detection and suppression through early detection and normalization of system failures.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

A sprinkler fire extinguishing system according to an aspect of the present invention for achieving the above object includes: a fire pump; power supply means for supplying power; a sprinkler receiving fluid from the fire pump through a flow path; a pre-operated valve installed on the flow path to participate in the flow of the fluid; a control module for receiving power from the power supply means and controlling the operation of the pre-operated valve; and a monitoring module for detecting whether at least one of the control module and the power supply means is abnormal.

In addition, the monitoring module is connected to the power supply unit and the power cable, is connected to the control module and the control cable, it is possible to detect abnormalities in the power cable and the control cable.

In addition, the monitoring module, a power function detection unit for detecting the operating state of the power cable by detecting the current flow on the power cable, and detecting the operating state of the control cable through the current flow detection on the control cable and a control function detection unit, wherein the power function detection unit generates a first initial alarm signal when it is determined that the operating state of the power cable is in a faulty state, and the control function detection unit returns the control cable to an operating state in a faulty state. If it is determined, a second initial alarm signal may be generated.

In addition, the power cable and the control cable may be provided in plurality, the power function sensing unit may be provided in each of the power cables, and the control function sensing unit may be provided in each of the control cables.

In addition, further comprising: a photographing unit for photographing the target area; and an alarm signal generation determining unit that generates a first alarm signal based on any one of the first initial alarm signal and the second initial alarm signal, wherein the The photographing unit may include a first photographing unit installed to photograph an area including the power function detection unit, and a second photographing unit installed to photograph an area including the control function detection unit.

In addition, it further includes an alarm output unit for outputting an alarm based on the first alarm signal, the recording unit is operated based on the first alarm signal, and performs shooting together with the alarm output of the alarm output unit can

In addition, when the current flow detection value of the power function detection unit satisfies the first set value in comparison with a preset first set value, the first initial alarm signal is transmitted to the alarm signal generation determining unit, prior determination It may include more wealth.

In addition, when the current flow detection value of the control function detection unit satisfies the second set value in comparison with a preset second set value, the pre-determining unit for transmitting the second initial alarm signal to the alarm signal generation determining unit may include more.

In addition, even if the current flow detection value of the power function detection unit satisfies the first set value, the third set value is satisfied by comparing the current flow detection value of the power function detection unit with a preset third set value, It may further include an inspection determination unit for outputting a first inspection signal for notifying the inspection of the power function detection unit.

In addition, the inspection determination unit, even if the current flow detection value of the genital control function detection unit satisfies the second set value, the fourth set value by comparing the current flow detection value of the control function detection unit with a preset fourth set value is satisfied, a second check signal for notifying the check of the control function detecting unit may be output.

According to the sprinkler fire extinguishing system of the present invention as described above, there are one or more of the following effects.

According to the present invention, when a detector failure occurs in a single-interlocked system, there is provided a sprinkler fire extinguishing system that more effectively and stably prevents fire extinguishing from becoming impossible due to the inability to operate the entire system. can do.

In addition, it is possible to provide a sprinkler fire extinguishing system capable of improving the reliability and safety of system operation through proper fire detection and suppression through early detection and normalization of system failures.

1 is a block diagram showing the configuration of a sprinkler fire extinguishing system according to an embodiment of the present invention.
FIG. 2 is a block diagram showing the overall configuration of the sprinkler fire extinguishing system according to FIG. 1 .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments published below, but may be implemented in various different forms, and only these embodiments allow the publication of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains. It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe a correlation between an element or components and other elements or components. The spatially relative terms should be understood as terms including different orientations of the device during use or operation in addition to the orientation shown in the drawings. For example, if an element shown in the figures is turned over, an element described as "beneath" or "beneath" another element may be placed "above" the other element. Accordingly, the exemplary term “below” may include both directions below and above. The device may also be oriented in other orientations, and thus spatially relative terms may be interpreted according to orientation.

Although first, second, etc. are used to describe various elements, components, and/or sections, it should be understood that these elements, components, and/or sections are not limited by these terms. These terms are only used to distinguish one element, component, or sections from another. Accordingly, it goes without saying that the first element, the first element, or the first section mentioned below may be the second element, the second element, or the second section within the spirit of the present invention.

The terminology used herein is for the purpose of describing the embodiments and is not intended to limit the present 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 mentioned. or addition is not excluded.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with the meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless clearly defined in particular.

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

1 is a block diagram showing the configuration of a sprinkler fire extinguishing system according to an embodiment of the present invention.

Referring to FIG. 1 , a sprinkler fire extinguishing system 100 according to an embodiment of the present invention includes a fire pump 110 , a pre-operated valve 120 , a sprinkler 130 , a control module 140 , and a power supply unit ( 150), a monitoring module 160, and a recording unit 170 may be included.

Here, for example, at least two fire pumps 110 are required. One may be provided as a main pump in case of fire, and one may be provided as a spare pump.

As for the pre-actuated valve 120, the pre-actuated valve is used in a dry sprinkler system, and in the open type, the secondary side piping is kept dry, and it may be used in various ways, such as closed or open sprinkler facilities and fire extinguishing facilities.

In addition, the monitoring module 160 may include a power function detection unit 161 and a control function detection unit 162 . The photographing unit 170 may include a first recording unit 171 and a second photographing unit 172 .

Here, the sprinkler 130 may receive fluid from the fire pump 110 through the flow path 115 . The pre-actuated valve 120 is installed on the flow path 115 to participate in the flow of the fluid.

The control module 140 may receive power from the power supply unit 150 and control the operation of the pre-operated valve 120 . The monitoring module 160 is a detection unit that operates in case of fire, and receives power from the power supply unit 150 and is operated by the control module 140 .

The monitoring module 160 may be connected to the power supply unit 150 by a power cable C1, and may be connected to the control module 140 by a control cable C2. The monitoring module 160 may detect abnormalities in the power cable C1 and the control cable C2.

The power function detecting unit 161 of the monitoring module 160 may detect the operating state of the power cable C1 by detecting the current flow on the power cable C1.

The control function detection unit 162 of the monitoring module 160 may determine the operating state of the control cable C2 by detecting a current flow on the control cable C2.

At this time, the power function detecting unit 161 may generate a first initial alarm signal when it is determined that the operating state of the power cable C1 is a faulty state. The control function detection unit 162 may generate a second initial alarm signal when it is determined that the operation state of the control cable C2 is a failure state.

Each of the power cable C1 and the control cable C2 may be provided in plurality. In this case, the power function detection unit 161 may be provided on each of the power cables C1. Of course, it is of course also possible to be provided selectively.

In addition, the control function detection unit 162 may also be provided in each of the control cables (C2). Likewise, it is of course also possible to be selectively provided.

FIG. 2 is a block diagram showing the overall configuration of the sprinkler fire extinguishing system according to FIG. 1 .

Referring to FIG. 2 , the sprinkler fire extinguishing system 100 according to an embodiment of the present invention includes a recording unit operation unit 165 , an alarm signal generation determining unit 180 , a pre-determination unit 185 , and an alarm output unit ( 190), and may include an inspection determination unit 195 .

Here, the photographing unit operation unit 165 is for operating the first photographing unit 171 and the second photographing unit 172 . The alarm signal generation determining unit 180 may generate a first alarm signal based on any one of the first initial alarm signal and the second initial alarm signal.

Here, the alarm signal generation determining unit 180 receives at least one of the first initial alarm signal and the second initial alarm signal, and adds its own additional condition to the first alarm signal and the second alarm signal. can be substituted for the additional condition to control the generation of the first alarm signal.

Therefore, the alarm output through the alarm output unit 190 and the operating conditions of the recording unit 170 through the recording unit operation unit 165 are subdivided to prevent meaningless operation, and effective and detailed operation is possible. can be derived.

The photographing unit 170 is for photographing the target area. The first recording unit 171 of the photographing unit 170 may be installed to photograph an area including the power function detection unit 161 .

The second recording unit 172 of the photographing unit 170 may be installed to photograph an area including the control function detection unit 162 . Meanwhile, the alarm output unit 190 may output an alarm based on the first alarm signal.

The recording unit 170 operates based on the first alarm signal, and may perform photographing together with the alarm output of the alarm output unit 190 .

The pre-determining unit 195 sends the alarm determination unit 180 to the alarm determination unit 180 when the current flow detection value of the power function detection unit 161 satisfies the first set value in comparison with a preset first set value. A first initial alarm signal may be transmitted.

The pre-determining unit 195 sends the alarm determination unit 180 to the alarm determination unit 180 when the current flow detection value of the control function sensing unit 162 satisfies the second set value in comparison with a preset second set value. The second initial alarm signal may be transmitted.

The check determination unit 195 sets the current flow detection value of the power function detection unit 161 to a preset third setting even if the current flow detection value of the power function detection unit 161 satisfies the first setting value. When the third set value is satisfied compared to the value, a first check signal for checking the power function detecting unit 161 may be output.

Even if the current flow detection value of the control function detection unit 162 satisfies the second set value, the inspection determination unit 195 determines the current flow detection value of the control function detection unit 162 as a preset fourth value. When the fourth set value is satisfied compared to the set value, a second check signal for checking the control function detecting unit 162 may be output.

The first check signal and the second check signal are output so that the operator can grasp it through an internal or external output means. Therefore, the operator can perform the inspection on the target based on this.

Although the embodiments of the present invention have been described with reference to the above and the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can practice the present invention in other specific forms without changing its technical spirit or essential features. You will understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

110: fire pump
120: pre-actuated valve
130: sprinkler
140: control module
150: power supply
160: monitoring module
C11, C12, C13, C14: Power cable
C21, C22, C23, C24: Control cable

Claims (6)

fire pump;
a power supply unit for power supply;
a sprinkler receiving fluid from the fire pump through a flow path;
a pre-actuated valve installed on the flow path to participate in the flow of the fluid;
a control module for receiving power from the power supply and controlling the operation of the pre-operated valve; and
and a monitoring module for detecting whether at least one of the control module and the power supply is abnormal. According to claim 1,
The monitoring module is connected to the power supply unit by a power cable, and is connected to the control module by a control cable,
A sprinkler fire extinguishing system that detects abnormalities in the power cable and the control cable. 3. The method of claim 2,
The monitoring module is
A power function detection unit for detecting the operating state of the power cable by detecting the current flow on the power cable;
and a control function detection unit for detecting an operating state of the control cable through current flow detection on the control cable,
The power function detection unit generates a first initial alarm signal when it is determined that the operating state of the power cable is in a faulty state,
The control function detection unit generates a second initial alarm signal when it is determined that the operating state of the control cable is in a faulty state. 4. The method of claim 3,
The power cable and the control cable are each provided in plurality,
The power function detection unit is provided in each of the power cables,
The control function detection unit is provided in each of the control cables, sprinkler fire extinguishing system. 4. The method of claim 3,
A recording unit for photographing the target area;
Further comprising an alarm determination determining unit for generating a first alarm signal based on any one of the first initial alarm signal and the second initial alarm signal,
The recording unit is
a first recording unit installed to photograph an area including the power function detection unit;
A sprinkler fire extinguishing system comprising a second photographing unit installed to photograph an area including the control function detection unit. 6. The method of claim 5,
Further comprising an alarm output unit for outputting an alarm based on the first alarm signal,
The photographing unit operates based on the first alarm signal, and performs photographing together with the alarm output of the alarm output unit, a sprinkler fire extinguishing system.

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