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JP2011208444A - Automatic closing device - Google Patents

Automatic closing device Download PDF

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JP2011208444A
JP2011208444A JP2010078089A JP2010078089A JP2011208444A JP 2011208444 A JP2011208444 A JP 2011208444A JP 2010078089 A JP2010078089 A JP 2010078089A JP 2010078089 A JP2010078089 A JP 2010078089A JP 2011208444 A JP2011208444 A JP 2011208444A
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door
fire receiver
switch
turned
signal
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JP2010078089A
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JP5695836B2 (en
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Hiromaru Matsuhashi
寛丸 松橋
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Nohmi Bosai Ltd
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Nohmi Bosai Ltd
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Abstract

PROBLEM TO BE SOLVED: To enable a manager to check an opened/closed state of a door, even when he/she does not go to a door location.SOLUTION: The automatic closing device 3, which is connected to a fire receiver 1 via a signal line L, closes the door, which is opened in an ordinary case, by movement of a movable piece of a solenoid 7, when receiving a start-up signal from the fire receiver 1. The automatic closing device 3 includes a first switch 5 which is turned on by the start-up signal of the fire receiver 1 so as to send an operation reply signal to the fire receiver 1, in the ordinary case, and a second switch 11 which is turned on when the door is closed and turned off when the door is opened. The automatic closing device 3 is equipped with a response circuit 9 which sends the reply signal to the fire receiver 1 at the reception of the start-up signal of the fire receiver 1 when the second switch 11 is turned on by the manual closing of the door.

Description

この発明は、ラッチ式解錠装置等に用いられる自動閉鎖装置に関するものである。   The present invention relates to an automatic closing device used for a latch type unlocking device or the like.

火災報知設備には、扉等のラッチ式解錠装置（自動閉鎖装置）が設けられているが、この解錠装置は、火災受信機から信号線を介して接続されている。そして、前記火災受信機からの起動信号を受信すると、ソレノイドの可動片の移動によって、平常時開の扉を閉鎖するようになっている（例えば、特許文献１、参照）。   The fire alarm facility is provided with a latch-type unlocking device (automatic closing device) such as a door, and this unlocking device is connected to the fire receiver via a signal line. When the activation signal is received from the fire receiver, the normally open door is closed by moving the movable piece of the solenoid (see, for example, Patent Document 1).

特開平０８−０４２２１４号公報Japanese Patent Laid-Open No. 08-042214

従来例の自動閉鎖装置は、設置物件の防火管理上等の理由により扉が手動で閉鎖されていると、火災受信機等からの起動信号を受けても応答信号を返信できなかった。そのため、上記事情により扉が手動で閉鎖されている時は、管理者が前記扉の場所まで行き、その開閉状態を直接目視確認する必要があった。   In the conventional automatic closing device, if the door is manually closed for reasons such as fire prevention management of the installed property, a response signal could not be returned even when an activation signal from a fire receiver or the like was received. For this reason, when the door is manually closed due to the above circumstances, it is necessary for the manager to go to the location of the door and directly check the open / closed state.

この発明は、上記事情に鑑み、管理者が扉の場所まで行かなくても、該扉の開閉状態を確認できるようにすることを目的とする。   In view of the above circumstances, an object of the present invention is to enable an administrator to check the open / closed state of a door without going to the location of the door.

この発明は、火災受信機から信号線を介して接続されると共に、前記火災受信機からの起動信号を受信すると、ソレノイドの可動片の移動によって平常時開の扉を閉鎖する自動閉鎖装置において、平常時は、前記火災受信機の起動信号によりオンして前記火災受信機に作動応答信号を返信させる第１スイッチと、前記扉が閉鎖されるとオンし、前記扉が開放されるとオフする第２スイッチと、を有し、前記扉が手動により閉鎖されて、第２スイッチがオンしたときに前記火災受信機の起動信号を受信すると、前記火災受信機に作動応答信号を返信する応答回路と、を備えたことを特徴とする。   This invention is an automatic closing device that is connected via a signal line from a fire receiver and that receives a start signal from the fire receiver and closes a normally open door by moving a movable piece of a solenoid. The normal switch is turned on when the fire receiver is activated and turned on when the door is closed, and turned off when the door is opened. A response circuit for returning an activation response signal to the fire receiver when receiving a start signal of the fire receiver when the door is manually closed and the second switch is turned on. And.

この発明は、前記扉が手動により閉鎖されているときに、前記第１スイッチがオフで、第２スイッチがオンしたとき、前記火災受信機の起動信号を受信するまでは、前記応答回路は前記火災受信機に作動応答信号を返信しないことを特徴とする。この発明の前記ソレノイドは、保持型ソレノイドであることを特徴とする。   In the present invention, when the door is manually closed, when the first switch is turned off and the second switch is turned on, the response circuit is configured to receive the activation signal of the fire receiver. The operation response signal is not returned to the fire receiver. The solenoid according to the present invention is a holding solenoid.

この発明は、平常時は、前記火災受信機の起動信号によりオンして前記火災受信機に作動応答信号を返信させる第１スイッチと、前記扉が閉鎖されるとオンし、前記扉が開放されるとオフする第２スイッチと、を有し、前記扉が手動により閉鎖されて、第２スイッチがオンしたときに前記火災受信機の起動信号を受信すると、前記火災受信機に応答信号を返信する応答回路と、を備えているので、扉の手動閉錠時には、前記応答回路を介して火災受信機に応答信号が送信される。そのため、管理者が扉の場所まで行かなくても、開閉状態を確認できる。   According to the present invention, in a normal state, the first switch that is turned on by a start signal of the fire receiver and returns an operation response signal to the fire receiver is turned on when the door is closed, and the door is opened. A second switch that is turned off, and when the door is manually closed and the second switch is turned on, a response signal is returned to the fire receiver when the fire receiver activation signal is received. A response signal is transmitted to the fire receiver via the response circuit when the door is manually locked. Therefore, the open / closed state can be confirmed without the administrator having to go to the door.

本発明の第１実施形態を示す図である。It is a figure which shows 1st Embodiment of this invention. 本発明の第１実施形態の作動を示すフローチャートである。It is a flowchart which shows the action | operation of 1st Embodiment of this invention.

火災報知設備の平常時開の防火扉（図示省略）の自動閉鎖装置３は、信号線Ｌを介して火災受信機１に接続されている。前記自動閉鎖装置３は、第１スイッチ５と、前記信号線Ｌと前記第１スイッチ５を介して接続され、少なくともコイル１３と応答回路９とが内蔵されたソレノイド７と、第２スイッチ１１と、を備えている。   An automatic closing device 3 for a fire door (not shown) that is normally open in a fire alarm facility is connected to a fire receiver 1 via a signal line L. The automatic closing device 3 includes a first switch 5, a solenoid 7 that is connected to the signal line L and the first switch 5 and includes at least a coil 13 and a response circuit 9, and a second switch 11. It is equipped with.

前記第１スイッチ５は、防火扉が開放状態において、火災受信機１の起動信号でオン制御され、オンになると作動応答信号が火災受信機１に返信される。前記ソレノイド７は、汎用されている保持型ソレノイドであり、永久磁石と、ボビンに電線を巻付けしたコイル部と、前記ボビンの軸部を前記コイル部の電流により往復移動する可動片と、有底筒状をなし、前記永久磁石と前記コイル部と前記可動片を収容するケースと、を備えている（図示省略）。この保持型ソレノイド７は、前記火災受信機１からの起動信号を受信すると、コイル部のコイル１３に給電（印加）され、可動片が摺動する。そして、防火扉は、扉保持機構が解除された後に閉鎖状態となる。前記第１スイッチ５は、防災扉を閉鎖させるための火災受信機１の通電による起動信号が出力されたときのみオンとなる。   The first switch 5 is on-controlled by the start signal of the fire receiver 1 when the fire door is open, and an operation response signal is returned to the fire receiver 1 when turned on. The solenoid 7 is a general-purpose holding solenoid, and includes a permanent magnet, a coil portion in which an electric wire is wound around a bobbin, a movable piece that reciprocally moves the shaft portion of the bobbin by the current of the coil portion, and It has a bottom cylindrical shape and includes the permanent magnet, the coil portion, and a case that accommodates the movable piece (not shown). When the holding solenoid 7 receives an activation signal from the fire receiver 1, power is supplied (applied) to the coil 13 of the coil portion, and the movable piece slides. The fire door is closed after the door holding mechanism is released. The first switch 5 is turned on only when an activation signal is output by energization of the fire receiver 1 for closing the disaster prevention door.

前記応答回路９は、各スイッチを介して前記火災受信機１に接続されている。この応答回路９は、前記扉が手動により閉鎖されているとき、前記火災受信機１の起動信号を受信すると、前記火災受信機１に作動応答信号を返信する。前記第２スイッチ１１は、前記応答回路９と前記火災受信機１に接続されており、前記扉が閉鎖されるとオンし、又、前記扉が開放されるとオフとなる。   The response circuit 9 is connected to the fire receiver 1 through each switch. The response circuit 9 returns an operation response signal to the fire receiver 1 when receiving a start signal of the fire receiver 1 when the door is manually closed. The second switch 11 is connected to the response circuit 9 and the fire receiver 1 and is turned on when the door is closed and turned off when the door is opened.

次に、図２における本実施形態の防火扉の作動を説明する。
「平常時」
平常時、防火扉は、開放状態であり、自動閉鎖装置３の前記第１スイッチ５はオフ、第２スイッチ１１はオフ、である（ステップＳ１）。 Next, the operation of the fire door of this embodiment in FIG. 2 will be described.
"Normal"
During normal times, the fire door is in an open state, and the first switch 5 of the automatic closing device 3 is off and the second switch 11 is off (step S1).

「火災時」
火災を検出した火災感知器(図示省略)から、火災受信機１に火災信号が送出されると、該火災受信機１は、自動閉鎖装置３に起動信号を送出する（ステップＳ２）とともに、防災扉が閉鎖中か否か（第２スイッチ１１がオンか否か）を判断する（ステップＳ３）。 "In case of fire"
When a fire signal is sent to a fire receiver 1 from a fire detector (not shown) that detects a fire, the fire receiver 1 sends a start signal to the automatic closing device 3 (step S2) and disaster prevention. It is determined whether or not the door is closed (whether or not the second switch 11 is on) (step S3).

前記ステップＳ３が、「ＹＥＳ」（扉閉鎖中＝第２スイッチ１１、オン）の場合は、応答回路９から作動応答信号が前記火災受信機１に返信される（ステップＳ４）。そのため、前記火災受信機１の表示部に、「扉閉鎖中」である旨の表示がなされるので、該防火扉の設置されている場所まで行かなくても、該防火扉の開閉状態を確認することができる。なお、この時、第１スイッチ５はオフ状態を維持している。   When the step S3 is “YES” (door closed = second switch 11, ON), an operation response signal is returned from the response circuit 9 to the fire receiver 1 (step S4). For this reason, since the display indicating that the door is closed is displayed on the display unit of the fire receiver 1, the open / close state of the fire door can be confirmed without going to the place where the fire door is installed. can do. At this time, the first switch 5 is kept off.

ステップＳ３が「ＮＯ」（扉開放中＝第２スイッチ１１、オフ）の場合は、コイル１３に通電されて磁界が発生し、ソレノイド７の可動片が摺動して解錠されるので、前記防火扉は閉扉状態となる（ステップＳ５）。   When step S3 is “NO” (door open = second switch 11, OFF), the coil 13 is energized to generate a magnetic field, and the movable piece of the solenoid 7 is slid and unlocked. The fire door is closed (step S5).

この時、前記第１スイッチ５及び第２スイッチ１１はオンになる（ステップＳ６）とともに、第１スイッチ５のオンにより作動応答信号が火災受信機１に返信される（ステップＳ７）。   At this time, the first switch 5 and the second switch 11 are turned on (step S6), and an operation response signal is returned to the fire receiver 1 when the first switch 5 is turned on (step S7).

次に、防火扉が防火管理上等の理由により手動で閉鎖されたときの作動を説明する。
「手動閉鎖時」
防火扉が手動で閉鎖された時は、通常時から火災時までと異なり、第１スイッチ５がオンしなくなり、第１スイッチ５のオンによる作動応答信号が火災受信機１に返信されることはない。なお、第２スイッチ１１は、オンである。 Next, the operation when the fire door is manually closed for reasons such as fire prevention management will be described.
"When manually closed"
When the fire door is manually closed, unlike the normal time to the fire time, the first switch 5 is not turned on, and the operation response signal when the first switch 5 is turned on is returned to the fire receiver 1. Absent. The second switch 11 is on.

このとき、自動閉鎖装置３は、火災受信機１からの起動信号を受信すると、火災受信機１に作動応答信号を返信する。よって、防火扉が手動で閉鎖されたときも、火災受信機１で作動応答信号を確認できる。   At this time, when the automatic closing device 3 receives the activation signal from the fire receiver 1, it returns an operation response signal to the fire receiver 1. Therefore, the operation response signal can be confirmed by the fire receiver 1 even when the fire door is manually closed.

１ 火災受信機
３ 自動閉鎖装置
５ 第１スイッチ
７ ソレノイド
９ 応答回路
１１ 第２スイッチ
１３ コイル DESCRIPTION OF SYMBOLS 1 Fire receiver 3 Automatic closing device 5 1st switch 7 Solenoid 9 Response circuit 11 2nd switch 13 Coil

Claims (3)

火災受信機から信号線を介して接続されると共に、前記火災受信機からの起動信号を受信すると、ソレノイドの可動片の移動によって平常時開の扉を閉鎖する自動閉鎖装置において、
平常時は、前記火災受信機の起動信号によりオンして前記火災受信機に作動応答信号を返信させる第１スイッチと、前記扉が閉鎖されるとオンし、前記扉が開放されるとオフする第２スイッチと、を有し、
前記扉が手動により閉鎖されて、第２スイッチがオンしたときに前記火災受信機の起動信号を受信すると、前記火災受信機に作動応答信号を返信する応答回路と、
を備えたことを特徴とする自動閉鎖装置。 In the automatic closing device that is connected via the signal line from the fire receiver and receives the start signal from the fire receiver, the normally open door is closed by moving the movable piece of the solenoid.
The normal switch is turned on when the fire receiver is activated and turned on when the door is closed, and turned off when the door is opened. A second switch;
A response circuit for returning an operation response signal to the fire receiver when receiving a start signal of the fire receiver when the door is manually closed and the second switch is turned on;
An automatic closing device characterized by comprising: 前記扉が手動により閉鎖されているときに、前記第１スイッチがオフで、第２スイッチがオンしたとき、前記火災受信機の起動信号を受信するまでは、前記応答回路は前記火災受信機に作動応答信号を返信しないことを特徴とする請求項１記載の自動閉鎖装置。   When the door is closed manually, when the first switch is off and the second switch is turned on, the response circuit is connected to the fire receiver until the fire receiver activation signal is received. 2. The automatic closing device according to claim 1, wherein an operation response signal is not returned. 前記ソレノイドは、保持型ソレノイドであることを特徴とする請求項１、又は、２記載の自動閉鎖装置。
3. The automatic closing device according to claim 1, wherein the solenoid is a holding solenoid.
JP2010078089A 2010-03-30 2010-03-30 Automatic closing device Active JP5695836B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015168930A (en) * 2014-03-05 2015-09-28 ホーチキ株式会社 Fire door locking-unlocking device
JP2020135691A (en) * 2019-02-25 2020-08-31 ホーチキ株式会社 Fire alarm system
CN115898198A (en) * 2022-12-08 2023-04-04 岭勤科技(江门)有限公司 a door control system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128198U (en) * 1979-03-06 1980-09-10
JPH05317436A (en) * 1992-05-22 1993-12-03 Hochiki Corp Alarm for fire protection equipment
JP2006328636A (en) * 2005-05-23 2006-12-07 Nabtesco Corp Automatic door closing device and automatic door device having the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128198U (en) * 1979-03-06 1980-09-10
JPH05317436A (en) * 1992-05-22 1993-12-03 Hochiki Corp Alarm for fire protection equipment
JP2006328636A (en) * 2005-05-23 2006-12-07 Nabtesco Corp Automatic door closing device and automatic door device having the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015168930A (en) * 2014-03-05 2015-09-28 ホーチキ株式会社 Fire door locking-unlocking device
JP2020135691A (en) * 2019-02-25 2020-08-31 ホーチキ株式会社 Fire alarm system
JP7228409B2 (en) 2019-02-25 2023-02-24 ホーチキ株式会社 Fire alarm equipment
JP7503162B2 (en) 2019-02-25 2024-06-19 ホーチキ株式会社 Fire alarm system
CN115898198A (en) * 2022-12-08 2023-04-04 岭勤科技(江门)有限公司 a door control system

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