JP3643422B2 - Carbon dioxide fire extinguishing equipment in the building - Google Patents

Carbon dioxide fire extinguishing equipment in the building Download PDF

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Publication number
JP3643422B2
JP3643422B2 JP01388896A JP1388896A JP3643422B2 JP 3643422 B2 JP3643422 B2 JP 3643422B2 JP 01388896 A JP01388896 A JP 01388896A JP 1388896 A JP1388896 A JP 1388896A JP 3643422 B2 JP3643422 B2 JP 3643422B2
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Japan
Prior art keywords
carbon dioxide
entrance
exit
room
fire extinguishing
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Expired - Lifetime
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JP01388896A
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JPH09201428A (en
Inventor
繁樹 田中
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Toshiba Corp
Toshiba Plant Systems and Services Corp
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Toshiba Corp
Toshiba Plant Systems and Services Corp
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Publication of JPH09201428A publication Critical patent/JPH09201428A/en
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  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は例えば原子力施設等の建屋内の二酸化炭素消火設備に関する。
【０００２】
【従来の技術】
図４および図５により従来の建屋内の二酸化炭素消火設備を説明する。すなわち、図４において建屋１内の二酸化炭素消火設備防護対象室２には両開き出入口ドア３または片開き出入口ドア４の何れか一方（図４では片開き出入口ドア４で示す）に起動装置５を設置している。
起動装置５は図４のＣ部を拡大して図５に示したように二酸化炭素放出スイッチ６および二酸化炭素放出非常停止スイッチ７が設けられたものである。
【０００３】
二酸化炭素消火設備は前記設備防護対象室２の火災を確認後、前記設備防護対象室２のドア４近傍に設置される起動装置５を操作することにより二酸化炭素を放出する手動放出方式と、前記設備防護対象室２に設置される火災感知器の作動により二酸化炭素を放出する自動放出方式が知られている。
【０００４】
【発明が解決しようとする課題】
二酸化炭素消火設備は前記防護対象室２内において、作業員等の人の出入りがあるにもかかかわらず起動装置の誤操作または火災感知器の誤作動等により二酸化炭素が放出される課題がある。
【０００５】
本発明は上記課題を解決するためになされたもので、防護対象室内の入室・退室状態を管理することにより、二酸化炭素の誤放出を防止することができる建屋内の二酸化炭素消火設備を提供することにある。
【０００６】
【課題を解決するための手段】
以上の目的を達成するために、請求項１に係る本発明は、二酸化炭素消火設備防護対象室の出入口近傍に入室管理盤を設置し、前記入室管理盤は入室時間設定タイマーを備え、前記入室時間設定タイマーの解除スイッチと前記二酸化炭素設備防護対象室から退室時のドア開信号とをインターロックし得る構成としてなることを特徴とする。これにより、入室・退室時に「退室 入室中」切替スイッチを操作して「退室」表示灯または「入室中（ＣＯ2 放出遮断）」表示灯を点灯させ入室・退室状態を管理する。
【０００９】
また、二酸化炭素消火設備防護対象室へ入室する際の「退室 入室中」切替スイッチの操作をするとともに入室時間をあらかじめ入室時間設定スイッチにより設定し、設定時間経過後には自動的に退室状態に切り替えることができる。
【００１１】
さらに、二酸化炭素消火設備防護対象室から入室設定時間が経過する前に退室した際には室内側からドアを開けることにより信号が送られ、入室時間設定スイッチが解除されるようにインターロックさせ自動的に退室状態に切り替わることができる。
【００１２】
請求項２に係る本発明は、二酸化炭素消火設備防護対象室の出入口近傍に入室・退室状態を管理する入室管理盤を設置し、前記入室管理盤に入室・退室切替スイッチを設け、前記入室・退室切替スイッチと前記二酸化炭素消火設備防護対象室のドア解錠とをインターロックし得る構成とし、前記入室・退室切替スイッチとドア解錠をインターロックさせることに伴い、前記室内側のドアにスプリングリターンスイッチを設けてなることを特徴とする。
【００１３】
これにより、入室・退室状態を切り替える「退室 入室中」切替スイッチの「退室」および「入室中」の信号と二酸化炭素消火設備防護対象室の出入口のドア解錠とをインターロックさせ、入室時の二酸化炭素誤放出を防止することができる。
【００１４】
また、入室中にも関わらず「退室 入室中」切替スイッチを退室状態に切り替えた場合の二酸化炭素の誤放出を防止できる。
【００１７】
【発明の実施の形態】
本発明に係る建屋内の二酸化炭素消火設備の実施の形態を図１から図３により説明する。
図１は本発明の建屋内の二酸化炭素消火設備における建屋内の平面図で、図２は図１におけるＡ部を拡大した入室管理盤の外形図で、図３は図１におけるＢ部を拡大した起動装置の外形図である。
【００１８】
すなわち、図１において建屋１内の二酸化炭素消火設備防護対象室２の両開き出入口ドア３の外側近傍に入室管理盤８を設置し、片開き出入口ドア４の外側近傍に入室管理盤兼用型起動装置９を設置する。入室管理盤８は入室，退室状態を管理するためのものである。
また、入室管理盤兼用型起動装置９は、従来から設置している起動装置５に入室管理盤の機能を設けたもので、入室・退室状態を管理させる。
【００１９】
図２において、入室管理盤８には入室・退室時に操作する「退室 入室中」切替キースイッチ14および状態が明確に分かるように「退室」表示灯10および「入室中（ＣＯ2 放出遮断）」表示灯11を設け、この信号が入室状態の場合は二酸化炭素放出が不可能になるように二酸化炭素放出起動回路とインターロックを組むことで入室時の二酸化炭素誤放出を防止できる。
【００２０】
入室する際に「退室 入室中」切替キースイッチ14を操作するとともに入室時間をあらかじめ入室時間設定スイッチ13により設定し、設定時間経過の際には音声警報等により警告が行われ設定時間経過後には自動的に退出状態へと切り替えできるようにすることにより退出時の「退室 入室中」切替キースイッチ14の操作忘れを防止できる。
【００２１】
入室時間を入室時間設定スイッチ13により設定後、入室をしたが、設定時間が経過するより前に退室した際には防護対象室側からのドア開により信号が送られ、入室時間設定スイッチ13が解除となり自動的に退室状態へと切り替わるようにすることで、設定時間経過前での退室におけるタイマーリセット忘れによる二酸化炭素（ＣＯ2 ）の放出不可時間の発生を防止することができる。
【００２２】
「退室 入室中」切替キースイッチ14をキースイッチとし容易に操作が行えない構造とすることで入室・退室時以外での状態切替を防止できる。
「退室 入室中」切替キースイッチ14および状態を示す「退室」表示灯10および「入室中（ＣＯ2 放出遮断）」表示灯11の信号と二酸化炭素消火設備防護対象室２出入口ドア３の解錠とをインターロックで組むことにより「退室 入室中」切替キースイッチ14を入室状態に切り替えた場合にのみドア３が解錠するようにしたことで、入室時の二酸化炭素誤放出を防止できる。
【００２３】
なお、ドアの防護対象室側には「退室 入室中」切替キースイッチ14とインターロックされたスプリングリターンスイッチを設け、防護対象室内からはドアの解錠が自由に行えるようにしたことで、入室中にも関わらず「退室 入室中」切替キースイッチ14を退室状態に切り替えられた場合の二酸化炭素誤放出を防止できる。
【００２４】
図３における入室管理盤兼用型起動装置９は二酸化炭素放出スイッチ６および二酸化炭素放出非常停止スイッチ７のほかに、入室管理盤８に設けた「退室」表示灯10，「入室中（ＣＯ2 放出遮断）」表示灯11，入室時間設定タイマー表示12，入室時間設定スイッチ13および「退室 入室中」切替キースイッチ14を設けている。
【００２５】
これにより、図２で説明した場合と同様の作用効果を得ることができる。なお、入室管理盤８と入室管理盤兼用起動装置９の配置関係はドア３，４の出入口近傍であるならば何れに設けることもでき、限定されるものではない。
【００２６】
【発明の効果】
本発明によれば、二酸化炭素消火設備防護対象室の出入口近傍に入室管理盤を設置し、入室・退室状態の管理および入室・退室状態と二酸化炭素放出起動回路をインターロックすることにより入室時の二酸化炭素誤放出を防止できる。よって、従来の二酸化炭素消火設備における入室時の二酸化炭素誤放出が防止でき、二酸化炭素消火設備の安全性が向上する。
【図面の簡単な説明】
【図１】本発明に係る建屋内の二酸化炭素消火設備の実施の形態を説明するための建屋内平面図。
【図２】図１におけるＡ部を拡大して示す入室管理盤の外形図。
【図３】図１におけるＢ部を拡大して示す起動装置（入室管理盤兼用型）の外形図。
【図４】従来の建屋の二酸化炭素消火設備を説明するための建屋内平面図。
【図５】図４におけるＣ部を拡大して示す起動装置の外形図。
【符号の説明】
１…建屋、２…二酸化炭素消火設備防護対象室、３…両開き出入口ドア、４…片開き出入口ドア、５…起動装置、６…二酸化炭素放出スイッチ、７…二酸化炭素放出非常停止スイッチ、８…入室管理盤、９…入室管理盤兼用型起動装置、10…「退室」表示灯、11…「入室中（ＣＯ2 放出遮断）」表示灯、12…入室時間設定タイマー表示、13…入室時間設定スイッチ、14…「退室 入室中」切替キースイッチ。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a carbon dioxide fire extinguishing facility in a building such as a nuclear facility.
[0002]
[Prior art]
A conventional carbon dioxide fire extinguishing facility in a building will be described with reference to FIGS. That is, in FIG. 4, the activation device 5 is provided in either the double doorway door 3 or the single doorway door 4 (indicated by the single doorway door 4 in FIG. 4) in the carbon dioxide fire extinguishing equipment protection room 2 in the building 1. It is installed.
As shown in FIG. 5, the starting device 5 is provided with a carbon dioxide release switch 6 and a carbon dioxide release emergency stop switch 7 as shown in FIG.
[0003]
The carbon dioxide fire extinguishing equipment confirms a fire in the equipment protection target room 2 and then operates a starter 5 installed in the vicinity of the door 4 of the equipment protection target room 2 to release carbon dioxide, There is known an automatic release method in which carbon dioxide is released by the operation of a fire detector installed in the equipment protection target room 2.
[0004]
[Problems to be solved by the invention]
The carbon dioxide fire extinguishing equipment has a problem that carbon dioxide is released in the protection target room 2 due to erroneous operation of the activation device or malfunction of the fire detector, regardless of whether a person such as an operator enters or exits.
[0005]
The present invention has been made to solve the above-described problems, and provides a carbon dioxide fire extinguishing equipment in a building that can prevent erroneous emission of carbon dioxide by managing the entry / exit state of a room to be protected. There is.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention according to claim 1 is provided with an entrance management panel in the vicinity of the entrance / exit of the protection target room of the carbon dioxide fire extinguishing equipment, the entrance management panel including an entrance time setting timer, The release switch of the entry room time setting timer can be interlocked with the door open signal when leaving the carbon dioxide facility protection target room . Thus, entry - "in exit enter" when leaving by operating the changeover switch "exit" indicator or "in entry (CO 2 emission cutoff)" indicator is lit to manage entry-exit condition.
[0009]
In addition, set in advance by entering time setting switch the entry time with the operation of the "in leaving enter" change-over switch at the time of entry to the carbon dioxide fire extinguishing equipment guarded room, to automatically exit state after the lapse of setting time Can be switched.
[0011]
Furthermore , when leaving the room before the set entry time elapses from the room subject to protection of carbon dioxide fire extinguishing equipment, a signal is sent by opening the door from the indoor side, and the door is automatically interlocked so that the entry time setting switch is released. Can be switched to the exit state.
[0012]
According to a second aspect of the present invention, there is provided an entrance management panel for managing the entrance / exit state in the vicinity of the entrance / exit of the protection target room for the carbon dioxide fire extinguishing equipment, the entrance management panel is provided with an entrance / exit switching switch, A room / exit switch and a door unlocking of the carbon dioxide fire extinguishing equipment protection target room can be interlocked, and with the interlocking of the entrance / exit switching switch and door unlocking, and characterized by being provided with a spring return switch on the door.
[0013]
As a result , the “exit” and “entering” signals of the “exit / enter” switch that switches the entry / exit state are interlocked with the door unlocking of the entrance / exit of the room protected by the carbon dioxide fire extinguishing equipment. Incorrect carbon dioxide emission can be prevented.
[0014]
Moreover , it is possible to prevent an erroneous release of carbon dioxide when the “exit / exit” switch is switched to the exit state in spite of entering the room.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a carbon dioxide fire extinguishing facility in a building according to the present invention will be described with reference to FIGS.
FIG. 1 is a plan view of a building in the carbon dioxide fire extinguishing equipment in the building of the present invention, FIG. 2 is an outline view of an entrance management panel in which part A in FIG. 1 is enlarged, and FIG. 3 is an enlarged view of part B in FIG. FIG.
[0018]
That is, in FIG. 1, the entrance management panel 8 is installed near the outside of the double doorway door 3 of the carbon dioxide fire extinguishing equipment protection room 2 in the building 1, and the entrance management panel combined type starter is installed near the outside of the single doorway door 4. 9 is installed. The entrance management panel 8 is for managing the entrance / exit state.
The entrance management panel combined type activation device 9 is provided with a function of an entrance management panel in the activation device 5 that has been installed conventionally, and manages the entry / exit state.
[0019]
In FIG. 2, the entry management panel 8 has an “exit / exit” switch key switch 14 which is operated when entering / exiting, and an “exit” indicator light 10 and “entering (CO 2 emission cut off)” to clearly show the state. By providing an indicator lamp 11 and interlocking with a carbon dioxide emission starting circuit so that carbon dioxide cannot be released when this signal is in the room entry state, erroneous release of carbon dioxide when entering the room can be prevented.
[0020]
When entering the room, operate the “Exiting and entering” switch key switch 14 and set the entry time in advance with the entry time setting switch 13. When the set time elapses, a warning is given by an audio alarm, etc. By automatically switching to the exit state, forgetting to operate the “leaving / entering” switch key switch 14 when exiting can be prevented.
[0021]
After entering the entry time with the entry time setting switch 13, the user entered the room, but when leaving the room before the set time elapses, a signal is sent when the door is opened from the protected room side, and the entry time setting switch 13 By canceling and automatically switching to the leaving state, it is possible to prevent occurrence of carbon dioxide (CO 2 ) non-release time due to forgetting to reset the timer when leaving the room before the set time elapses.
[0022]
By switching the “Exiting / Exiting” switch key switch 14 to a key switch, it is possible to prevent state switching except when entering or leaving the room.
“Exiting the room” switch key switch 14 and the signal of the “exiting” indicator lamp 10 indicating the state and the “entering (CO 2 release shutoff)” indicator lamp 11 and the carbon dioxide fire extinguishing equipment protection target room 2 entrance door 3 unlocking Are interlocked with each other so that the door 3 is unlocked only when the “exiting / entering” switch key switch 14 is switched to the entry state, thereby preventing carbon dioxide from being mistakenly released when entering the room.
[0023]
In addition, the door to be protected is provided with an “exiting and entering” switch key switch 14 and an interlocked spring return switch so that the door can be unlocked freely from the protected room. In spite of this, it is possible to prevent an erroneous release of carbon dioxide when the “exiting room” switch key switch 14 is switched to the exiting state.
[0024]
In addition to the carbon dioxide release switch 6 and the carbon dioxide emission emergency stop switch 7 , the entrance management panel combined type activation device 9 in FIG. 3 includes an “exit” indicator lamp 10 provided on the entrance management panel 8 and “during entry (CO 2 emission) “OFF”) indicator lamp 11, entry time setting timer display 12, entry time setting switch 13 and “exiting and entering room” switch key switch 14 are provided.
[0025]
Thereby, the same effect as the case demonstrated in FIG. 2 can be acquired. Note that the arrangement relationship between the entrance management panel 8 and the entrance management panel combined activation device 9 can be provided anywhere near the doorway of the doors 3 and 4, and is not limited.
[0026]
【The invention's effect】
According to the present invention, the entrance control panel is installed near the entrance of the carbon dioxide fire extinguishing equipment protection target room, and the entrance / exit state is managed and the entrance / exit state is interlocked with the carbon dioxide release activation circuit. It can prevent carbon dioxide misrelease. Therefore, it is possible to prevent an erroneous release of carbon dioxide when entering the room in the conventional carbon dioxide fire extinguishing equipment, and the safety of the carbon dioxide fire extinguishing equipment is improved.
[Brief description of the drawings]
FIG. 1 is a plan view of a building for explaining an embodiment of the carbon dioxide fire extinguishing equipment in the building according to the present invention.
FIG. 2 is an outline view of an entrance management board showing an A portion in FIG. 1 in an enlarged manner.
FIG. 3 is an external view of an activation device (room management board combined type) showing an enlarged B part in FIG. 1;
FIG. 4 is a plan view of a building for explaining a conventional building carbon dioxide fire extinguishing system.
FIG. 5 is an outline view of an activation device showing an enlarged C portion in FIG. 4;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Building, 2 ... Carbon dioxide fire extinguishing equipment protection room, 3 ... Double door door, 4 ... Single door door, 5 Start-up device, 6 ... Carbon dioxide release switch, 7 ... Carbon dioxide release emergency stop switch, 8 ... entry control panel, 9 ... entry management board combined starter, 10 ... "exit" indicator lamp, 11 ... "in entry (CO 2 emission cutoff)" indicator, 12 ... enter time setting timer display, 13 ... enter time setting Switch, 14 ... “Exiting room” switch key switch.

Claims (2)

二酸化炭素消火設備防護対象室の出入口近傍に入室・退室状態を管理する入室管理盤を設置し、前記入室管理盤は入室時間設定タイマーを備え、前記入室時間設定タイマーの解除スイッチと前記二酸化炭素設備防護対象室から退室時のドア開信号とをインターロックし得る構成としてなることを特徴とする建屋内の二酸化炭素消火設備。An entrance management panel for managing the entrance / exit state is installed near the entrance / exit of the room to be protected for carbon dioxide fire extinguishing equipment, the entrance management panel is provided with an entrance time setting timer, the release switch of the entrance time setting timer and the dioxide dioxide Carbon dioxide fire extinguishing equipment in a building, which is configured to be able to interlock with a door open signal when leaving the room from a carbon equipment protection target room . 二酸化炭素消火設備防護対象室の出入口近傍に入室・退室状態を管理する入室管理盤を設置し、前記入室管理盤に入室・退室切替スイッチを設け、前記入室・退室切替スイッチと前記二酸化炭素消火設備防護対象室のドア解錠とをインターロックし得る構成とし、前記入室・退室切替スイッチとドア解錠をインターロックさせることに伴い、前記室内側のドアにスプリングリターンスイッチを設けてなることを特徴とする建屋内の二酸化炭素消火設備。 An entrance management panel for managing the entrance / exit state is installed in the vicinity of the entrance / exit of the room subject to protection of carbon dioxide fire extinguishing equipment, and an entrance / exit switch is provided in the entrance management panel, and the entrance / exit switch and the carbon dioxide The door can be unlocked in the fire-fighting equipment protection target room, and a spring return switch is provided on the indoor door in conjunction with the entry / exit switch and door unlocking being interlocked. Carbon dioxide fire extinguishing equipment in the building .
JP01388896A 1996-01-30 1996-01-30 Carbon dioxide fire extinguishing equipment in the building Expired - Lifetime JP3643422B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP01388896A JP3643422B2 (en) 1996-01-30 1996-01-30 Carbon dioxide fire extinguishing equipment in the building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01388896A JP3643422B2 (en) 1996-01-30 1996-01-30 Carbon dioxide fire extinguishing equipment in the building

Publications (2)

Publication Number Publication Date
JPH09201428A JPH09201428A (en) 1997-08-05
JP3643422B2 true JP3643422B2 (en) 2005-04-27

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JP01388896A Expired - Lifetime JP3643422B2 (en) 1996-01-30 1996-01-30 Carbon dioxide fire extinguishing equipment in the building

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Publication number Priority date Publication date Assignee Title
KR101039530B1 (en) * 2010-09-28 2011-06-09 주식회사 창성에이스산업 Apparatus for controlling digestion gas

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JPH09201428A (en) 1997-08-05

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