JP2011108060A - Siren control board with continuous operation preventing function - Google Patents

Siren control board with continuous operation preventing function Download PDF

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JP2011108060A
JP2011108060A JP2009263513A JP2009263513A JP2011108060A JP 2011108060 A JP2011108060 A JP 2011108060A JP 2009263513 A JP2009263513 A JP 2009263513A JP 2009263513 A JP2009263513 A JP 2009263513A JP 2011108060 A JP2011108060 A JP 2011108060A
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siren
continuous operation
alarm device
control panel
timer relay
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JP5250533B2 (en
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Takeshi Matsuo
武志 松尾
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a siren control board connected to an alarm, and driving a siren, wherein when such a failure that the alarm continuously drives the siren is occurred, the siren control board detects the failure and surely and quickly stop the continuous driving of the siren. <P>SOLUTION: The driving time of the siren 3 is monitored by a timer relay 9 existing on the same circuit as the siren 3, a trip coil 5 of a breaker 4 is driven by the time-up operation of a timer and power to be supplied to the siren 3 is intercepted to stop continuous driving of the siren 3. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

この発明は、河川のダムなどに設置し、放流時に下流にいる人々に危険をサイレンなどにより、告知する放流警報装置のサイレン制御盤に係り、特に装置の故障でサイレンが連続吹鳴してしまうことを防止する連続動作防止機能付きサイレン制御盤に関するものである。   The present invention relates to a siren control panel of a discharge alarm device that is installed in a river dam, etc., and informs people who are downstream of the discharge by a siren, etc. The present invention relates to a siren control panel with a continuous operation preventing function.

従来の放流警報装置でのサイレンの動作保護は、放流警報装置内部に保護タイマーを内蔵し、放流警報装置自身の連続動作を監視していた。放流警報装置の連続動作を検出すると放流警報装置自身の電源を停止することで、サイレンの連続動作保護を行っていた。
なお、一般的な技術分野において、装置の故障したことを検出器で検知して異常状態を検出し、所定時間後に再度異常信号の有無を検出して突発的に生ずる異常信号やノイズによる誤表示を防ぐ技術が特許文献１に示されている。 For protection of siren operation in the conventional discharge alarm device, a protection timer is built in the discharge alarm device to monitor the continuous operation of the discharge alarm device itself. When the continuous operation of the discharge alarm device is detected, the power supply of the discharge alarm device itself is stopped to protect the continuous operation of the siren.
In a general technical field, a device failure is detected by a detector, an abnormal state is detected, the presence or absence of an abnormal signal is detected again after a predetermined time, and an abnormal signal or noise caused by an accident is displayed. Patent Document 1 discloses a technique for preventing the above.

実開昭６２−２９７２５号公報（第２図）Japanese Utility Model Publication No. 62-29725 (Fig. 2)

上述のように、従来の放流警報装置におけるサイレンの動作保護は、放流警報装置そのものの内部に保護タイマーを内蔵し、放流警報装置自身の連続動作を監視しており、連続動作を検出すると放流警報装置自身の電源を停止して、サイレンへの動作信号を遮断していた。
従来の放流警報装置は以上のように構成されているので、放流警報装置内のサイレン制御盤への最終段の制御回路が故障した時や、サイレン制御盤内部の回路が故障した場合には、連続動作の保護ができない問題点があった。また、放流警報装置全体の連続動作を検出しているため、サイレンの連続動作をすぐに検出できず、装置全体の動作保護時間まで連続動作する問題があった。 As mentioned above, the siren operation protection in the conventional discharge alarm device has a built-in protection timer inside the discharge alarm device itself, and monitors the continuous operation of the discharge alarm device itself. The power supply of the device itself was stopped and the operation signal to the siren was cut off.
Since the conventional discharge alarm device is configured as described above, when the final control circuit to the siren control panel in the discharge alarm device fails or when the circuit inside the siren control panel fails, There was a problem that continuous operation could not be protected. In addition, since the continuous operation of the entire discharge alarm device is detected, the continuous operation of the siren cannot be detected immediately, and there is a problem of continuous operation until the operation protection time of the entire device.

この発明は上記のような課題を解決するためになされたものであり、サイレンの連続動作をすぐに検出し、サイレンを停止することができるとともに、放流警報装置のサイレン制御盤への最終段の制御回路の故障や、サイレン制御盤内部の回路が故障した場合でも確実にサイレンを停止させることができるサイレン制御盤を得ることを目的とする。 The present invention has been made to solve the above-described problems, and can detect the continuous operation of the siren immediately, stop the siren, and provide the final stage to the siren control panel of the discharge alarm device. An object of the present invention is to obtain a siren control panel that can surely stop the siren even if the control circuit breaks down or the circuit inside the siren control panel breaks down.

この発明に係るサイレン制御盤は、サイレンと同じ回路上にあるタイマーリレーでサイレンの駆動時間を監視し、タイマーのタイムアップで遮断器のトリップコイルを駆動させてサイレンに供給する電源を遮断するようにしたものである。   The siren control panel according to the present invention monitors the driving time of the siren with a timer relay on the same circuit as the siren and drives the trip coil of the circuit breaker to cut off the power supplied to the siren when the timer expires. It is a thing.

この発明によれば、サイレンへの供給電源をタイマーで直接監視するように構成したので、サイレンの連続動作を確実に検出できる。また、連続動作を検出したときにサイレンの供給電源の遮断器をトリップさせるように構成したので、確実にサイレンを停止させることができる。   According to the present invention, since the power supply to the siren is directly monitored by the timer, the continuous operation of the siren can be reliably detected. Further, since the circuit breaker of the siren power supply is tripped when the continuous operation is detected, the siren can be stopped reliably.

この発明の実施の形態１を示す回路構成図である。It is a circuit block diagram which shows Embodiment 1 of this invention.

実施の形態１．
以下、この発明の実施の形態１を図１に基づいて説明する。
図１において、サイレン制御盤１は警報装置２と接続され、警報装置２のサイレン制御出力のリレー接点８と電磁開閉器６のコイル７とが直列接続されている。警報音を発するサイレンモータ３はサイレン制御盤１の電磁開閉器６と遮断器４を通して、商用電源１１に接続されている。遮断器４のトリップコイル５はタイマーリレー９の接点１０と直列に接続され、タイマーリレー９は電磁開閉器６の負荷側に接続されている。つまりタイマーリレー９は負荷であるサイレンモータ３と電磁開閉器６がともにオンの場合だけ動作するように構成されている。 Embodiment 1 FIG.
A first embodiment of the present invention will be described below with reference to FIG.
In FIG. 1, a siren control panel 1 is connected to an alarm device 2, and a relay contact 8 for siren control output of the alarm device 2 and a coil 7 of an electromagnetic switch 6 are connected in series. A siren motor 3 that emits an alarm sound is connected to a commercial power source 11 through an electromagnetic switch 6 and a circuit breaker 4 of the siren control panel 1. The trip coil 5 of the circuit breaker 4 is connected in series with the contact 10 of the timer relay 9, and the timer relay 9 is connected to the load side of the electromagnetic switch 6. That is, the timer relay 9 is configured to operate only when both the siren motor 3 and the electromagnetic switch 6 that are loads are on.

次に動作について説明する。
警報装置２のサイレン制御のリレー接点８は警報装置１の内部のシーケンスにより作成されたタイミングでオン、オフを繰り返す（例：１分オン、１０秒オフ、５回繰り返す）。そして、この警報装置２のサイレン制御接点８のオン、オフによりサイレン制御盤１の電磁開閉器６のコイル７を駆動させることで、電磁開閉器６をオン、オフする。遮断器４は通常はオンの状態であり、電磁開閉器６のオン、オフで、サイレンモータ３に電流が流れたり、遮断されてサイレンは吹鳴、停止を繰り返す。タイマーリレー９はサイレンモータ３と電磁開閉器６がオンの間、駆動するが、タイマーの動作時間はサイレンの吹鳴時間（例：１分１０秒）に設定しているため、タイムアップ動作はしない。 Next, the operation will be described.
The relay contact 8 for siren control of the alarm device 2 is repeatedly turned on and off at the timing created by the sequence inside the alarm device 1 (eg, 1 minute on, 10 seconds off, 5 times repeated). The electromagnetic switch 6 is turned on and off by driving the coil 7 of the electromagnetic switch 6 of the siren control panel 1 by turning on and off the siren control contact 8 of the alarm device 2. The circuit breaker 4 is normally in an on state. When the electromagnetic switch 6 is turned on and off, a current flows through the siren motor 3 or is interrupted and the siren repeatedly blows and stops. The timer relay 9 is driven while the siren motor 3 and the electromagnetic switch 6 are on, but the timer operation time is set to the siren blowing time (eg, 1 minute 10 seconds), so the time-up operation is not performed. .

次に、異常時について説明する。警報装置２のサイレン制御のリレー接点８がオン状態でオフにならないような状態となった場合は、タイマーリレー９が連続動作して予め決められたタイムアップ時間に達し、タイムアップする。タイマーリレー９がタイムアップすることで、タイマーリレーの接点１０がオンとなり、タイマーリレーの接点１０と直列接続された遮断器４のトリップコイル５を駆動し、遮断器４をトリップさせることでサイレンモータ３への電流を絶ち、サイレンを停止できる。   Next, an abnormal time will be described. When the relay contact 8 for siren control of the alarm device 2 is in an on state and does not turn off, the timer relay 9 continuously operates to reach a predetermined time-up time and time up. When the timer relay 9 is timed up, the contact 10 of the timer relay is turned on, the trip coil 5 of the circuit breaker 4 connected in series with the contact 10 of the timer relay is driven, and the circuit breaker 4 is tripped. The current to 3 can be cut off and the siren can be stopped.

このように、サイレン制御盤の中にサイレンの連続動作を監視し、異常時に電源を遮断する機能を持たせる構成としたので、簡単な構成で、短時間にサイレンの連続吹鳴を検出し、確実にサイレンを停止させることができるサイレン制御盤を得ることができる。   In this way, the siren control panel has a function to monitor the continuous operation of the siren and shut off the power supply in the event of an abnormality. A siren control panel that can stop the siren can be obtained.

１ サイレン制御盤、 ２ 警報装置、３ サイレンモータ、 ４ 遮断器、 ５ 遮断器のトリップコイル、 ６ 電磁開閉器、 ７ 電磁開閉器のコイル、 ８ 警報装置のサイレン制御のリレー接点、 ９ タイマーリレー、 １０ タイマーリレーの接点。   1 siren control panel, 2 alarm device, 3 siren motor, 4 circuit breaker, 5 trip coil for circuit breaker, 6 electromagnetic switch, 7 coil for electromagnetic switch, 8 relay contact for siren control of alarm device, 9 timer relay, 10 Timer relay contact.

Claims (4)

ダムの放流などを警報する警報装置、警報装置からの信号により動作し、サイレンへの出力を制御するサイレン制御盤、及び警報音を発するサイレンを備え、かつ、サイレン制御盤にはサイレンと同じ回路に接続されたタイマーリレーが設けられ、このタイマーリレーによりサイレンの連続動作を検出し、タイマーリレーのタイムアップでサイレンに供給する電源の遮断器をトリップさせるように構成した連続動作防止機能付きサイレン制御盤。   An alarm device that warns of the discharge of a dam, etc., a siren control panel that operates in response to a signal from the alarm device and controls the output to the siren, and a siren that emits an alarm sound. A siren control with a continuous operation prevention function configured to detect the continuous operation of the siren with this timer relay and trip the circuit breaker of the power supplied to the siren when the timer relay times out Board. タイマーリレーの接点がサイレンへの電源を遮断する遮断器のトリップコイルと直列接続された構成とした請求項１記載の連続動作防止機能付きサイレン制御盤。   2. The siren control panel with a continuous operation preventing function according to claim 1, wherein the contact of the timer relay is connected in series with a trip coil of a circuit breaker that shuts off power to the siren. サイレンへの電源供給ラインに設けられ、警報装置からのオン、オフ信号に従いサイレンへの電源をオン、オフ制御する電磁開閉器を備えた請求項１又は請求項２記載の連続動作防止機能付きサイレン制御盤。   The siren with a continuous operation preventing function according to claim 1 or 2, further comprising an electromagnetic switch provided on a power supply line to the siren and controlled to turn on and off the power to the siren according to an on / off signal from an alarm device. control panel. タイマーリレーは電磁開閉器とサイレンがともにオンの時のみ動作し、このタイマーリレーのタイムアップ動作でサイレンに供給する電源の遮断器をトリップさせるように構成した請求項１から請求項３のいずれかに記載の連続動作防止機能付きサイレン制御盤。   The timer relay operates only when both the electromagnetic switch and the siren are on, and the timer relay time-up operation trips the circuit breaker of the power source supplied to the siren. Siren control panel with continuous operation prevention function described in 1.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001236587A (en) * 2000-02-25 2001-08-31 Hitachi Kokusai Electric Inc Discharge alarming system
JP2002333494A (en) * 2001-05-08 2002-11-22 Toshiba Corp Malfunction-preventive device for control rod in nuclear reactor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001236587A (en) * 2000-02-25 2001-08-31 Hitachi Kokusai Electric Inc Discharge alarming system
JP2002333494A (en) * 2001-05-08 2002-11-22 Toshiba Corp Malfunction-preventive device for control rod in nuclear reactor

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