JP2006226056A - Method for controlling opening/closing of shutter - Google Patents

Method for controlling opening/closing of shutter Download PDF

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JP2006226056A
JP2006226056A JP2005043910A JP2005043910A JP2006226056A JP 2006226056 A JP2006226056 A JP 2006226056A JP 2005043910 A JP2005043910 A JP 2005043910A JP 2005043910 A JP2005043910 A JP 2005043910A JP 2006226056 A JP2006226056 A JP 2006226056A
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motor
shutter
current
value
seconds
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Hideo Furukawa
英夫 古川
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Miura Co Ltd
Miura Protec Co Ltd
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Miura Co Ltd
Miura Protec Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a highly-safe method for controlling opening and closing of a shutter by which occurrence of an abnormal situation upon closing operation of the shutter is surely detected so that the shutter can be stopped. <P>SOLUTION: In the method for controlling opening and closing of the shutter by which the shutter 2 is stopped when the abnormal situation occurs upon closing operation of the shutter 2, the opening and closing of the shutter 2 are conducted by a DC motor 6. When the shutter 2 is in closing operation, the value of current I1 of the DC motor 6 T-seconds after starting of the DC motor 6 is detected. When the value of the current I1 exceeds a preset current value X, it is judged to be the abnormal situation, and the DC motor 6 is immediately stopped. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法に関するものである。   The present invention relates to a shutter opening / closing control method for stopping a shutter when an abnormality occurs during the closing operation of the shutter.

各種の容器の開口部や建物の出入り口を開閉するドアを含むシャッター(以下単にシャッターという)として、モータの駆動により開閉するシャッターが多く使用されている。このようなシャッターでは、シャッターの閉動作時に、誤って人の体の一部が挟まれたり、また、物が挟まれたとき、直ちにモータの駆動を停止させるといった安全対策が求められている。   As shutters including doors for opening and closing various container openings and building entrances (hereinafter simply referred to as shutters), shutters that are opened and closed by driving a motor are often used. In such a shutter, a safety measure is required such that when a shutter is closed, a part of a human body is accidentally pinched, or when an object is pinched, the motor is immediately stopped.

かかる安全対策を図ったシャッターの開閉制御装置として、シャッターに感知手段を設けておき、シャッターの閉動作時に、人や物といった障害物がシャッターに接触したとき、これを感知手段で感知して感知信号を発信し、シャッターを閉動作させているモータの駆動を直ちに停止させるような開閉制御手段を備えたものが開示されている(例えば、特許文献1参照。)。
特開2003−20884号公報
As a shutter opening / closing control device with such safety measures, the shutter is provided with sensing means. When the shutter is closed, when an obstacle such as a person or an object touches the shutter, this is sensed by the sensing means. A device is disclosed that includes an open / close control means that immediately stops the driving of a motor that transmits a signal and closes a shutter (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2003-20884

しかしながら、前記シャッターの開閉制御装置によれば、障害物がシャッターに接触したことを感知する感知手段は、シャッターに設けられているので、外部からの影響を受けやすい状態にあり、例えば、塵等が付着し、或いは、シャッターの開閉時の衝撃や外部からの衝撃を受けて故障し、障害物の接触を感知できなくなり安全が図れなくなる場合があることから、常に感知手段を塵等から防ぎ、また、感知手段の故障を監視しなければならないといった問題があった。   However, according to the shutter opening / closing control device, the sensing means for sensing that an obstacle has come into contact with the shutter is provided on the shutter, so that it is susceptible to external influences, such as dust. Since it may stick to or break due to shocks when opening and closing the shutter or external shocks, it may not be possible to sense the contact of obstacles and be unsafe, so always prevent the sensing means from dust, In addition, there is a problem that a failure of the sensing means must be monitored.

本発明の目的は、シャッターの閉動作時に異常が生じたことを確実に検出し、シャッターを停止させることができる、安全性の高いシャッターの開閉制御方法を提供することにある。   An object of the present invention is to provide a highly safe shutter opening / closing control method capable of reliably detecting that an abnormality has occurred during the shutter closing operation and stopping the shutter.

本発明者は、上記の目的を達成するために試験研究を重ねた結果、直流モータは負荷により電流が大きく変化することに着目し、シャッターを開閉する動力として直流モータを使用することにより本発明を完成するに至った。   As a result of repeated studies and researches to achieve the above object, the present inventor has paid attention to the fact that the current of a direct current motor changes greatly depending on the load, and uses the direct current motor as power for opening and closing the shutter. It came to complete.

請求項1に記載の発明は、シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、前記電流I1の値が予め設定してある所定電流値Xを超えたときに異常ありと判断し、直ちに前記直流モータを停止させることを特徴とする。   According to the first aspect of the present invention, in the shutter opening / closing control method for stopping the shutter when an abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a direct current motor. Detecting the value of the current I1 of the DC motor T seconds after starting the DC motor, and determining that there is an abnormality when the value of the current I1 exceeds a preset current value X; The DC motor is immediately stopped.

請求項2に記載の発明は、シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断し、直ちに前記直流モータを停止させることを特徴とする。   According to a second aspect of the present invention, in the shutter opening / closing control method for stopping the shutter when an abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a direct current motor. The value of the current I1 of the DC motor T seconds after starting the DC motor is detected, and the value of the current I2 of the DC motor from T seconds to the end of the closing operation is A% of the value of the current I1. It is determined that there is an abnormality when exceeding the value, and the DC motor is immediately stopped.

請求項3に記載の発明は、シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値 が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断し、直ちに前記直流モータを停止させることを特徴とする。   According to a third aspect of the present invention, in the shutter opening / closing control method for stopping the shutter when an abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a direct current motor. The value of the current I1 of the DC motor is detected T seconds after starting the DC motor, and the value of the current I2 of the DC motor from T seconds to the end of the closing operation is equal to the current I1 in C seconds. When the value exceeds B%, it is determined that there is an abnormality, and the DC motor is immediately stopped.

請求項4に記載の発明は、シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、前記電流I1の値が予め設定してある所定電流値Xを超えたときに異常ありと判断し、また、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断し、また、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断し、前記いずれかの異常ありの判断をしたとき、直ちに前記直流モータを停止させることを特徴とする。   According to a fourth aspect of the present invention, in the shutter opening / closing control method for stopping the shutter when an abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a direct current motor. Detecting the value of the current I1 of the DC motor T seconds after starting the DC motor, and determining that there is an abnormality when the value of the current I1 exceeds a preset current value X; Further, when the shutter is closed, the value of the current I1 of the DC motor is detected T seconds after starting the DC motor, and the current I2 of the DC motor from T seconds to the end of the closing operation is detected. It is determined that there is an abnormality when the value exceeds A% of the value of the current I1, and when the shutter is closed, the DC motor current I1 T seconds after the DC motor is started. Detect value, T seconds later When the value of the current I2 of the DC motor until the end of operation exceeds B% of the value of the current I1 in C seconds, it is determined that there is an abnormality, and when any of the above-mentioned abnormality is determined, immediately The DC motor is stopped.

請求項5に記載の発明は、請求項1,2,3又は4に記載の、前記直流モータの停止後に該直流モータを逆転させて前記シャッターを戻すことを特徴とする。   The invention described in claim 5 is characterized in that after the DC motor is stopped, the DC motor is reversely rotated to return the shutter.

請求項1に記載のシャッターの開閉制御方法によれば、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、前記電流I1の値が予め設定してある所定電流値Xを超えたときに異常ありと判断し、直ちに前記直流モータを停止させるようにしたので、閉動作したシャッターに障害物が介在する等シャッターの閉動作の抵抗となるような異常が生じ、直流モータの大きな負荷となって電流I1の値が増え、電流I1の値が前記の所定電流値Xを超えたとき、これを検知することにより、前記シャッターの閉動作時の異常を容易に且つ確実に検出し、直ちに直流モータを停止させ、シャッターの移動を停止させることができる。   According to the shutter opening / closing control method of claim 1, the shutter is opened and closed by a DC motor, and when the shutter is closed, the DC motor is activated T seconds after the DC motor is started. Since the value of the current I1 is detected, it is determined that there is an abnormality when the value of the current I1 exceeds a preset current value X, and the DC motor is immediately stopped. An abnormality such as the presence of an obstacle in the shutter causes resistance to close the shutter, causing a large load on the DC motor to increase the value of the current I1, and the value of the current I1 exceeds the predetermined current value X. By detecting this, it is possible to easily and reliably detect an abnormality during the closing operation of the shutter, and to immediately stop the DC motor and stop the movement of the shutter.

そして、前記の予め設定してある電流の所定電流値Xとして、良好な状態にあるシャッターを閉動作したときに直流モータに流れる電流の値を基準電流値とし、シャッターの長時間の閉動作によるベアリングの摩耗その他の機械的な原因等、シャッターの閉動作を停止するに及ばないと判断される最大限の負荷を想定してこれを電流に換算し、この負荷に相当する電流値を前記基準電流値に加えた電流値をもって、これを予め設定してある電流の所定電流値Xとすることにより、シャッターの長時間の閉動作によるベアリングの摩耗、錆び付きその他の機械的な原因等から生じる負荷による電流の増加(直流モータの効率の低下)があったときでも、そのことで直流モータを停止させることなく、シャッターの閉動作を続けることができ、そして、これ以上の負荷がかかったとき直流モータが停止するので、作業の効率を落とすことなく、且つ安全性を図ることができるものとなる。   Then, as the predetermined current value X of the preset current, the value of the current flowing through the DC motor when the shutter in a good state is closed is set as a reference current value, and the shutter is closed for a long time. Assuming the maximum load that is judged not to stop the closing operation of the shutter, such as bearing wear and other mechanical causes, this is converted to current, and the current value corresponding to this load is converted to the above standard. When the current value added to the current value is set to a predetermined current value X of a preset current, bearing wear due to long-time closing operation of the shutter, rusting, and other mechanical causes occur. Even when there is an increase in current due to the load (decrease in the efficiency of the DC motor), it is possible to continue the shutter closing operation without stopping the DC motor. Te, since the DC motor when more load is applied to stop, and what can be achieved that no, and safety lowering the efficiency of the work.

また、かかるシャッターの開閉制御方法では、シャッターに障害物が接触したことを感知するセンサーを必要としないので、かかるシャッターの開閉制御方法を実施するシャッターの開閉制御装置の故障率は極めて低く、信頼性の高いものとなり、高い安全性を図ることができる。   Further, since such a shutter opening / closing control method does not require a sensor that senses that an obstacle has come into contact with the shutter, the failure rate of the shutter opening / closing control device that implements such a shutter opening / closing control method is extremely low and reliable. It becomes a high thing and can aim at high safety.

請求項2に記載のシャッターの開閉制御方法によれば、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断し、直ちに前記直流モータを停止させるようにしたので、前記直流モータを起動してからT秒後で閉動作終了迄の間に、閉動作したシャッターに、障害物が介在する等シャッターの閉動作の抵抗となるような異常が生じ、直流モータの大きな負荷となって電流I2の値が増え、電流I2の値が前記電流I1の値のA%を超えたとき、これを検出することにより、前記シャッターの閉動作時の異常を確実に判断し、直ちに直流モータを停止させ、シャッターの移動を停止させることができる。また、かかるシャッターの開閉制御方法では、シャッターに障害物が接触したことを感知するセンサーを必要としないので、かかるシャッターの開閉制御方法を実施するシャッターの開閉制御装置の故障率は極めて低く、信頼性の高いものとなり、高い安全性を図ることができる。   According to the shutter opening / closing control method of claim 2, the shutter is opened / closed by a DC motor, and when the shutter is closed, the DC motor is activated T seconds after the DC motor is started. The value of the current I1 is detected, and when the value of the current I2 of the DC motor from T seconds to the end of the closing operation exceeds A% of the value of the current I1, it is determined that there is an abnormality. Since the motor is stopped, an abnormality that causes resistance to the closing operation of the shutter, such as an obstacle intervening in the shutter that has been closed, after T seconds from the start of the DC motor to the end of the closing operation Occurs, the load of the DC motor becomes large and the value of the current I2 increases. When the value of the current I2 exceeds A% of the value of the current I1, by detecting this, the shutter is closed. Determine the abnormality and Stopping the DC motor, it is possible to stop the movement of the shutter. Further, since such a shutter opening / closing control method does not require a sensor that senses that an obstacle has come into contact with the shutter, the failure rate of the shutter opening / closing control device that implements such a shutter opening / closing control method is extremely low and reliable. It becomes a high thing and can aim at high safety.

請求項3に記載のシャッターの開閉制御方法によれば、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断し、直ちに前記直流モータを停止させるようにしたので、T秒後から閉動作終了迄の間に、閉動作したシャッターに、障害物が介在する等シャッターの閉動作の抵抗となるような異常が生じ、直流モータの大きな負荷となって電流I2の値が増え、電流I2の値がC秒間で前記電流I1の値のB%を超えたとき、これを検知することにより、前記シャッターの閉動作時の異常を確実に判断し、直ちに直流モータを停止させ、シャッターの移動を停止させることができる。また、かかるシャッターの開閉制御方法では、シャッターに障害物が接触したことを感知するセンサーを必要としないので、かかるシャッターの開閉制御方法を実施するシャッターの開閉制御装置の故障率は極めて低く、信頼性の高いものとなり、高い安全性を図ることができる。   According to the shutter opening / closing control method according to claim 3, the opening / closing of the shutter is performed by a DC motor, and when the shutter is closed, the DC motor is activated T seconds after the DC motor is started. The value of the current I1 is detected, and when the value of the current I2 of the DC motor from T seconds to the end of the closing operation exceeds B% of the value of the current I1 in C seconds, it is determined that there is an abnormality, and immediately Since the DC motor is stopped, an abnormality that causes resistance of the closing operation of the shutter, such as an obstacle, occurs in the closing operation between T seconds and the end of the closing operation. When the value of the current I2 increases due to a large load on the motor and the value of the current I2 exceeds B% of the value of the current I1 in C seconds, this is detected to detect an abnormality during the closing operation of the shutter. To make sure The chromatography data was stopped, thereby stopping the movement of the shutter. Further, since such a shutter opening / closing control method does not require a sensor that senses that an obstacle has come into contact with the shutter, the failure rate of the shutter opening / closing control device that implements such a shutter opening / closing control method is extremely low and reliable. It becomes a high thing and can aim at high safety.

請求項4に記載のシャッターの開閉制御方法によれば、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、前記電流I1の値が予め設定してある所定電流値Xを超えたときに異常ありと判断し、また、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2値が前記電流I1の値のA%を超えたときに異常ありと判断し、また、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断し、前記いずれかの異常ありの判断をしたとき、直ちに前記直流モータを停止させるようにしたので、閉動作したシャッターに障害物が介在する等シャッターの閉動作の抵抗となるような異常が生じ、直流モータの大きな負荷となって電流I1の値が増え、電流I1の値が前記の所定電流値Xを超えたとき、これを検知することにより、前記シャッターの閉動作時の異常を容易に且つ確実に検出し、直ちに直流モータを停止させ、シャッターの移動を停止させることができる。   According to the shutter opening / closing control method of claim 4, the shutter is opened / closed by a DC motor, and when the shutter is closed, the DC motor is activated T seconds after the DC motor is started. The value of the current I1 is detected, and it is determined that there is an abnormality when the value of the current I1 exceeds a preset current value X, and the DC motor is activated when the shutter is closed. The value of the current I1 of the DC motor after T seconds is detected, and an abnormality occurs when the current I2 value of the DC motor from T seconds to the end of the closing operation exceeds A% of the current I1 value. And when the shutter is closed, the value of the current I1 of the DC motor is detected T seconds after starting the DC motor, and the DC motor from T seconds to the end of the closing operation is detected. The current I2 value is equal to the current I1 value B in C seconds. Since the DC motor is immediately stopped when any of the above abnormalities is determined, the shutter closing operation such as an obstacle intervening in the closed shutter is performed. Is detected, and when the current I1 value exceeds the predetermined current value X, the shutter is detected. Therefore, it is possible to easily and reliably detect an abnormality during the closing operation, and immediately stop the DC motor to stop the movement of the shutter.

また、前記電流I1の値が前記の所定電流値Xを超えず、シャッターの閉動作が続行し、前記直流モータを起動してからT秒後でシャッターの閉動作終了迄の間に、前記閉動作したシャッターに、障害物が介在する等シャッターの閉動作の抵抗となるような異常が生じ、直流モータの大きな負荷となって電流I2の値が増え、電流I2の値が前記電流I1の値のA%を超えたとき、これを検知することにより、前記シャッターの閉動作時の異常を容易に且つ確実に検出し、直ちに直流モータを停止させ、シャッターの移動を停止させることができる。   Further, the value of the current I1 does not exceed the predetermined current value X, the shutter closing operation is continued, and the closing operation is performed after T seconds from the start of the DC motor to the end of the shutter closing operation. An abnormal condition that causes a shutter closing resistance, such as an obstacle present in the operated shutter, causes a large load on the direct current motor to increase the value of the current I2, and the value of the current I2 is the value of the current I1. By detecting this when it exceeds A%, it is possible to easily and reliably detect an abnormality during the closing operation of the shutter, and to immediately stop the DC motor and stop the movement of the shutter.

また、前記電流I1の値が前記の所定電流値Xを超えず、シャッターの閉動作が続行し、T秒後から閉動作終了迄の間に、前記閉動作したシャッターに、障害物が介在す等シャッターの閉動作の抵抗となるような異常が生じ、直流モータの大きな負荷となって電流I2の値が増え、電流I2の値がC秒間で前記電流I1の値のB%を超えたとき、これを検知することにより、前記シャッターの閉動作時の異常を容易に且つ確実に検出し、直ちに直流モータを停止させ、シャッターの移動を停止させることができる。   Further, the value of the current I1 does not exceed the predetermined current value X, the shutter closing operation continues, and an obstacle is present in the shutter that has been closed between T seconds and the end of the closing operation. When an abnormality occurs that causes a resistance to close the shutter, the load on the DC motor increases, the current I2 increases, and the current I2 exceeds B% of the current I1 in C seconds. By detecting this, an abnormality during the closing operation of the shutter can be detected easily and reliably, and the direct current motor can be immediately stopped to stop the movement of the shutter.

このように、このシャッターの開閉制御方法によれば、シャッターの閉動作開始から閉動作終了迄の間におけるシャッターの異常の発生をより容易に且つ確実に検出し、シャッターの移動を停止させることができることになり、より一層の高い安全性を図ることができる。   Thus, according to this shutter opening / closing control method, it is possible to more easily and reliably detect the occurrence of shutter abnormality between the start of the closing operation of the shutter and the end of the closing operation, and stop the movement of the shutter. As a result, even higher safety can be achieved.

また、このシャッターの開閉制御方法では、シャッターに障害物が接触したことを感知するセンサーを必要としないので、かかるシャッターの開閉制御方法を実施するシャッターの開閉制御装置の故障率は極めて低く、信頼性の高いものとなる。   In addition, since this shutter opening / closing control method does not require a sensor that senses that an obstacle has come into contact with the shutter, the failure rate of the shutter opening / closing control device that implements such a shutter opening / closing control method is extremely low and reliable. It becomes a high quality thing.

請求項5に記載のシャッターの開閉制御方法によれば、請求項1,2,3又は4に記載のシャッターの開閉制御方法の、前記直流モータの停止後に該直流モータを逆転させて前記シャッターを戻すようにしたので、例えば、シャッターに人が挟まれたような場合、苦痛が緩和され、また怪我の防止に有効となり、より一層の高い安全性を図ることができる。   According to the shutter opening / closing control method according to claim 5, the shutter opening / closing control method according to claim 1, 2, 3 or 4, wherein the DC motor is reversely rotated after the DC motor is stopped, and the shutter is moved. For example, when a person is caught in the shutter, the pain is alleviated, and it is effective in preventing injury, so that higher safety can be achieved.

以下、本発明に係るシャッターの開閉制御方法を実施するための最良の形態を図1に示すシャッターの開閉制御装置により説明する。   The best mode for carrying out the shutter opening / closing control method according to the present invention will be described below with reference to the shutter opening / closing control apparatus shown in FIG.

図1に示すシャッターの開閉制御装置1は、滅菌機等の耐圧容器や建物等のシャッター2にチェーンやワイヤー等の駆動力伝達部材3の一端が固定され、駆動力伝達部材3の途中は上部の歯車や滑車等の回転体4に掛けられて垂れ下げられ、その他端に重り5が取り付けられており、回転体4は直流モータ6で回転駆動されるようになっている。更に、前記直流モータ6に流れる電流の値を検出する電流計測部7と、電流計測部7で検出した直流モータ6に流れる電流の値が予め設定されている所定電流値Xを超え、或いは増加率を超えたとき、異常と判定して開閉器(スイッチ)8を開くことにより直流モータ6に流す電流を停止させる制御回路部9が設けられている。   The shutter opening / closing control apparatus 1 shown in FIG. 1 has one end of a driving force transmission member 3 such as a chain or wire fixed to a pressure resistant container such as a sterilizer or a shutter 2 of a building or the like. It is hung and hung down on a rotating body 4 such as a gear or a pulley, and a weight 5 is attached to the other end. The rotating body 4 is driven to rotate by a DC motor 6. Furthermore, a current measuring unit 7 that detects the value of the current flowing through the DC motor 6 and the value of the current flowing through the DC motor 6 detected by the current measuring unit 7 exceeds or increases a preset predetermined current value X. When the rate is exceeded, a control circuit unit 9 is provided that stops the current flowing to the DC motor 6 by determining that it is abnormal and opening the switch (switch) 8.

先ず、本発明に係るシャッターの開閉制御方法の実施の形態の第1例を説明する。本例を実施するシャッターの開閉制御装置1の制御回路部9は、直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出するプログラムと、前記電流I1の値が予め設定してある所定電流値Xを超えたとき異常ありと判断するプログラムと、異常ありと判断したとき、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、直流モータ6の停止後、一定時間直流モータ6を逆回転させる指令を出すプログラムが組み込まれている。   First, a first example of an embodiment of a shutter opening / closing control method according to the present invention will be described. The control circuit unit 9 of the shutter opening / closing control device 1 that implements this example has a program for detecting the value of the current I1 of the DC motor 6 T seconds after the DC motor 6 is activated by the current measuring unit 7; A program for determining that there is an abnormality when the value of the current I1 exceeds a predetermined current value X set in advance, and when it is determined that there is an abnormality, the switch 8 that supplies power to the DC motor 6 is opened and immediately the DC A program for giving a command to reversely rotate the DC motor 6 for a predetermined time after the motor 6 is stopped and the DC motor 6 is stopped is incorporated.

前記制御回路部9に組み込まれているプログラムにおいて、前記直流モータ6の電流I1の値を検出する直流モータ6を起動してからのT秒は、直流モータ6の正常な状態における起動後の電流値が安定した電流値に移行するまでの時間を基準として設定されている。また、予め設定してある所定電流値Xは、良好な状態にあるシャッター2を閉動作したときに直流モータ6に流れる電流の値を基準電流値とし、シャッター2の長時間の閉動作によるベアリングの摩耗、錆び付きその他の機械的な原因等、シャッター2の閉動作を停止するに及ばないと判断される最大限の負荷を想定してこれを電流に換算し、この負荷に相当する電流値を前記基準電流値に加えた電流値をもって、これを所定電流値Xとしている。   In the program incorporated in the control circuit unit 9, T seconds after starting the DC motor 6 for detecting the value of the current I 1 of the DC motor 6 is the current after startup in the normal state of the DC motor 6. The time until the value shifts to a stable current value is set as a reference. Further, the predetermined current value X that is set in advance is determined by using the value of the current that flows to the DC motor 6 when the shutter 2 in a good state is closed as a reference current value, and the bearing due to the shutter 2 being closed for a long time. Assuming the maximum load that is judged not to stop the closing operation of the shutter 2, such as wear, rust and other mechanical causes, this is converted into current, and the current value corresponding to this load Is set to a predetermined current value X with a current value obtained by adding to the reference current value.

本例は前記のプログラムが組み込まれた制御回路部9を設けたシャッターの開閉制御装置1を使用して実施されるものであり、直流モータ6を駆動してシャッター2を閉動作する際に、前記直流モータ6を起動してからT1秒後の前記直流モータ6の電流I1の値を電流計測部7で検出し、前記電流I1の値が所定電流値Xを超えたとき(図2)、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すようにした。   This example is implemented using the shutter opening / closing control device 1 provided with the control circuit unit 9 in which the program is incorporated. When the DC motor 6 is driven to close the shutter 2, When the current measuring unit 7 detects the value of the current I1 of the DC motor 6 T1 seconds after starting the DC motor 6, and the value of the current I1 exceeds a predetermined current value X (FIG. 2), The control circuit unit 9 determines that there is an abnormality, issues a command from the control circuit unit 9, opens the switch 8 that supplies power to the DC motor 6, immediately stops the DC motor 6, and stops the DC motor 6. After that, the DC motor 6 was reversely rotated for a predetermined time to return the shutter 2.

このようにすることにより、閉動作したシャッター2に障害物が介在する等シャッター2の閉動作の抵抗となるような異常が生じ、直流モータ6の大きな負荷となって電流I1の値が増え、電流I1の値が前記の所定電流値Xを超えたことを電流計測部7で検出したとき、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させることができ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すことができる。   By doing so, an abnormality that causes resistance of the closing operation of the shutter 2, such as an obstacle intervening in the shutter 2 that has been closed, becomes a heavy load on the DC motor 6, and the value of the current I1 increases. When the current measuring unit 7 detects that the value of the current I1 exceeds the predetermined current value X, the control circuit unit 9 determines that there is an abnormality and issues a command from the control circuit unit 9 to the DC motor 6. The DC motor 6 can be stopped immediately by opening the power supply switch 8, and the DC motor 6 can be reversely rotated for a certain period of time after the DC motor 6 is stopped to return the shutter 2.

次に、本発明に係るシャッターの開閉制御方法の実施の形態の第2例を説明する。本例を実施するシャッターの開閉制御装置1の制御回路部9は、直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出するプログラムと、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断するプログラムと、異常ありと判断したとき、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、直流モータ6の停止後、一定時間直流モータ6を逆回転させる指令を出すプログラムが組み込まれている。   Next, a second example of the embodiment of the shutter opening / closing control method according to the present invention will be described. The control circuit unit 9 of the shutter opening / closing control device 1 that implements this example has a program for detecting the value of the current I1 of the DC motor 6 T seconds after the DC motor 6 is activated by the current measuring unit 7; A program for determining that there is an abnormality when the value of the current I2 of the DC motor 6 from T seconds to the end of the closing operation exceeds A% of the value of the current I1, and when determining that there is an abnormality, the DC motor 6 A program for issuing a command to reversely rotate the DC motor 6 for a certain period of time after the DC motor 6 is stopped is opened immediately after the switch 8 that supplies power is opened.

前記制御回路部9に組み込まれているプログラムにおいて、閉動作終了迄の前記直流モータ6の電流I2の値が異常と判断される前記電流I1の値のA%の設定値は、電流I1の値を基準電流値とし、シャッター2の長時間の閉動作によるベアリングの摩耗、錆び付きその他の機械的な原因等、シャッター2の閉動作を停止するに及ばないと判断される最大限の負荷を想定してこれを電流に換算し、この負荷に相当する電流値を前記基準電流値となる電流I1の値に加えたときの増加率をもって設定している。前記直流モータ6の電流I1の値を検出する直流モータ6を起動してからのT秒は、前記第1例で使用されるシャッターの開閉制御装置1の制御回路部9のプログラムと同様にして設定される。   In the program incorporated in the control circuit unit 9, the setting value of A% of the value of the current I1 in which the value of the current I2 of the DC motor 6 until the end of the closing operation is determined to be abnormal is the value of the current I1. Is assumed to be the maximum load that can be judged to stop the closing operation of the shutter 2, such as bearing wear due to long-time closing operation of the shutter 2, rust and other mechanical causes Then, this is converted into a current, and the current value corresponding to this load is set with an increasing rate when added to the value of the current I1 as the reference current value. T seconds after starting the DC motor 6 that detects the value of the current I1 of the DC motor 6 are the same as the program of the control circuit unit 9 of the shutter opening / closing control device 1 used in the first example. Is set.

本例は前記のプログラムが組み込まれた制御回路部9を設けたシャッターの開閉制御装置1を使用して実施されるものであり、直流モータ6を駆動してシャッター2を閉動作する際に、前記直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出し、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が前記電流I1の値のA%を超えたことを電流計測部7で検出したとき(図3)、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータを6停止させ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すようにした。   This example is implemented using the shutter opening / closing control device 1 provided with the control circuit unit 9 in which the program is incorporated. When the DC motor 6 is driven to close the shutter 2, The current measuring unit 7 detects the value of the current I1 of the DC motor 6 T seconds after starting the DC motor 6, and the value of the current I2 of the DC motor 6 from T seconds to the end of the closing operation is obtained. When the current measuring unit 7 detects that A% of the value of the current I1 has been exceeded (FIG. 3), the control circuit unit 9 determines that there is an abnormality and issues a command from the control circuit unit 9 to the DC motor 6 The DC motor 6 was stopped immediately after opening the switch 8 supplying power to the motor, and after the DC motor 6 was stopped, the DC motor 6 was reversely rotated for a predetermined time to return the shutter 2.

このようにすることにより、直流モータ6を起動してからT秒後で閉動作終了迄の間に、閉動作したシャッター2に、障害物が介在する等シャッター2の閉動作の抵抗となるような異常が生じ、直流モータ6の大きな負荷となって電流I2の値が増え、電流I2の値が前記電流I1の値のA%を超えたことを電流計測部7で検出したとき、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させることができ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すことができる。   By doing so, the shutter 2 that has been closed for a period of time T seconds after the start of the DC motor 6 until the end of the closing operation becomes a resistance to the closing operation of the shutter 2 such that an obstacle is present in the shutter 2 that has been closed. When the current measuring unit 7 detects that an abnormal abnormality occurs and the value of the current I2 increases as a large load of the DC motor 6 and the value of the current I2 exceeds A% of the value of the current I1, the control circuit The controller 9 determines that there is an abnormality, issues a command from the control circuit unit 9, opens the switch 8 that supplies power to the DC motor 6, and immediately stops the DC motor 6. After the stop, the shutter 2 can be returned by rotating the DC motor 6 reversely for a certain period of time.

次に、本発明に係るシャッターの開閉制御方法の実施の形態の第3例を説明する。本例を実施するシャッターの開閉制御装置1の制御回路部9は、直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出するプログラムと、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断するプログラムと、異常ありと判断したとき、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、直流モータ6の停止後、一定時間直流モータ6を逆回転させる指令を出すプログラムが組み込まれている。   Next, a third example of the embodiment of the shutter opening / closing control method according to the present invention will be described. The control circuit unit 9 of the shutter opening / closing control device 1 that implements this example has a program for detecting the value of the current I1 of the DC motor 6 T seconds after the DC motor 6 is activated by the current measuring unit 7; A program for determining that there is an abnormality when the value of the current I2 of the DC motor 6 from T seconds to the end of the closing operation exceeds B% of the value of the current I1 in C seconds, and when determining that there is an abnormality A program for issuing a command to reversely rotate the DC motor 6 for a predetermined time after the DC motor 6 is stopped immediately after opening the switch 8 that supplies power to the DC motor 6 is stopped.

前記制御回路部9に組み込まれているプログラムにおいて、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断するプログラムの前記C秒間は、シャッター2に障害物、例えば人が挟まった場合に、シャッター2に人が挟まってから停止する迄の最大限の時間を基準に設定され、B%の設定値は電流I1の値を基準電流値とし、シャッター2の長時間の閉動作によるベアリングの摩耗、錆び付きその他の機械的な原因等、シャッター2の閉動作を停止するに及ばないと判断される最大限に近い負荷を想定してこれを電流に換算し、この負荷に相当する電流値を前記基準電流値となる電流I1の値に加えたときの増加率をもって設定している。本例でのB%の設定値は前記第2例のA%の設定値より低く設定されている。これは短時間における急激な負荷の増加による危険発生を考慮したことによる。前記直流モータ6の電流I1の値を検出する直流モータ6を起動してからのT秒は、前記第1例で使用されるシャッターの開閉制御装置1の制御回路部9のプログラムと同様にして設定される。   In the program incorporated in the control circuit unit 9, an abnormality occurs when the current I2 value of the DC motor 6 from T seconds to the end of the closing operation exceeds B% of the current I1 value in C seconds. The C seconds of the program for determining that there is an obstacle is set on the basis of the maximum time from when a person gets caught in the shutter 2 until it stops when an obstacle, for example, a person gets caught in the shutter 2, and B% The set value is the current I1 as the reference current value, and it is judged that the closing operation of the shutter 2 does not stop, such as the wear of the bearing due to the closing operation of the shutter 2 for a long time, rust and other mechanical causes. Assuming a load that is close to the maximum, this is converted into a current, and the current value corresponding to this load is set with an increase rate when the current I1 that is the reference current value is added. The set value of B% in this example is set lower than the set value of A% in the second example. This is because the occurrence of danger due to a sudden increase in load in a short time is taken into consideration. T seconds after starting the DC motor 6 that detects the value of the current I1 of the DC motor 6 are the same as the program of the control circuit unit 9 of the shutter opening / closing control device 1 used in the first example. Is set.

本例は前記のプログラムが組み込まれた制御回路部9を設けたシャッターの開閉制御装置1を使用して実施されるものであり、直流モータ6を駆動してシャッター2を閉動作する際に、前記直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出し、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が、C秒間で前記電流I1の値のB%を超えたことを電流計測部7で検出したとき(図4)、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すようにした。   This example is implemented using the shutter opening / closing control device 1 provided with the control circuit unit 9 in which the program is incorporated. When the DC motor 6 is driven to close the shutter 2, The current measuring unit 7 detects the value of the current I1 of the DC motor 6 T seconds after starting the DC motor 6, and the value of the current I2 of the DC motor 6 from T seconds to the end of the closing operation is obtained. When the current measuring unit 7 detects that B% of the value of the current I1 has been exceeded for C seconds (FIG. 4), the control circuit unit 9 determines that there is an abnormality and issues a command from the control circuit unit 9 Then, the switch 8 that supplies power to the DC motor 6 is opened, and the DC motor 6 is immediately stopped. Then, after the DC motor 6 is stopped, the DC motor 6 is reversely rotated for a predetermined time to return the shutter 2.

このようにすることにより、前記直流モータ6を起動してからT秒後で閉動作終了迄の間に、閉動作したシャッター2に、障害物が介在する等シャッター2の閉動作の抵抗となるような異常が生じ、直流モータ6の大きな負荷となって電流I2の値が増え、電流I2の値がC秒間で前記電流I1の値のB%を超えたことを電流計測部7で検出したとき、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させることができ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すことができる。   In this manner, the shutter 2 that has been closed for a period of time T seconds after the DC motor 6 is activated until the end of the closing operation becomes a resistance to the closing operation of the shutter 2 such as an obstacle. The current measuring unit 7 detects that such an abnormality occurs and the value of the current I2 increases as a large load of the DC motor 6 and the value of the current I2 exceeds B% of the value of the current I1 in C seconds. When the control circuit unit 9 determines that there is an abnormality, it issues a command from the control circuit unit 9, opens the switch 8 that supplies power to the DC motor 6, and immediately stops the DC motor 6, and After the DC motor 6 is stopped, the shutter 2 can be returned by rotating the DC motor 6 reversely for a certain period of time.

次に、本発明に係るシャッターの開閉制御方法の実施の形態の第4例を説明する。本例を実施するシャッターの開閉制御装置1の制御回路部9は、直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出するプログラムと、前記電流I1の値が予め設定してある所定電流値Xを超えたとき異常ありと判断するプログラムと、T秒後から閉動作終了迄の前記直流モータの電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断するプログラムと、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断するプログラムと、前記いずれかの異常ありの判断をしたとき、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、直流モータ6の停止後、一定時間直流モータ6を逆回転させる指令を出すプログラムが組み込まれている。   Next, a fourth example of the embodiment of the shutter opening / closing control method according to the present invention will be described. The control circuit unit 9 of the shutter opening / closing control device 1 that implements this example has a program for detecting the value of the current I1 of the DC motor 6 T seconds after the DC motor 6 is activated by the current measuring unit 7; A program for determining that there is an abnormality when the value of the current I1 exceeds a preset current value X, and the value of the current I2 of the DC motor from T seconds to the end of the closing operation is the value of the current I1 The program for determining that there is an abnormality when A% of the current exceeds 1%, and the value of the current I2 of the DC motor 6 from T seconds to the end of the closing operation exceeded B% of the value of the current I1 in C seconds. When a program for determining that there is an abnormality at any time and when any of the above-mentioned abnormalities is determined, the switch 8 that supplies power to the DC motor 6 is opened and the DC motor 6 is immediately stopped. , Reverse the DC motor 6 for a certain time A program that issues commands is included.

前記制御回路部9に組み込まれているプログラムにおいて、前記直流モータ6の電流I1の値を検出する直流モータ6を起動してからのT秒、予め設定してある所定電流値X、T秒後から閉動作終了迄の前記直流モータの電流I2の値が異常と判断される前記電流I1の値のA%の設定値、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断するC秒間で前記電流I1の値のB%の設定値は、前記第1例〜第3例で使用されるシャッターの開閉制御装置1の制御回路部9のプログラムと同様にして設定される。   In the program incorporated in the control circuit unit 9, T seconds after the start of the DC motor 6 for detecting the value of the current I1 of the DC motor 6, a predetermined current value X, T seconds after presetting The value of the current I2 of the DC motor 6 from the time T to the end of the closing operation after T seconds after the value of the current I1 of the DC motor is judged to be abnormal. However, when the value exceeds B% of the current I1 value in C seconds, it is determined that there is an abnormality. The set value of B% of the current I1 value in C seconds is used in the first to third examples. It is set in the same manner as the program of the control circuit unit 9 of the shutter open / close control device 1.

本例は前記のプログラムが組み込まれた制御回路部9を設けたシャッターの開閉制御装置1を使用して実施されるものであり、直流モータ6を駆動してシャッター2を閉動作する際に、前記直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出し、前記電流I1 の値が所定電流値Xを超えたとき(図2)、また、直流モータ6を駆動してシャッター2を閉動作する際に、前記直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出し、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が前記電流I1の値のA%を超えたことを電流計測部7で検出したとき(図3)、また、直流モータ6を駆動してシャッター2を閉動作する際に、前記直流モータ6を起動してからT秒後の前記直流モータ6の電流I1の値を電流計測部7で検出し、T秒後から閉動作終了迄の前記直流モータ6の電流I2の値が、C秒間で前記電流I1の値のB%を超えたことを電流計測部7で検出したとき(図4)、いずれも制御回路部9で異常ありと判断し、前記いずれかの異常ありの判断をしたとき、該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すようにした。   This example is implemented using the shutter opening / closing control device 1 provided with the control circuit unit 9 in which the program is incorporated. When the DC motor 6 is driven to close the shutter 2, When the current measuring unit 7 detects the value of the current I1 of the DC motor 6 T seconds after starting the DC motor 6, and the value of the current I1 exceeds a predetermined current value X (FIG. 2), When the DC motor 6 is driven to close the shutter 2, the current measuring unit 7 detects the value of the current I1 of the DC motor 6 T seconds after the DC motor 6 is started, and T When the current measuring unit 7 detects that the value of the current I2 of the DC motor 6 from the second to the end of the closing operation exceeds A% of the value of the current I1 (FIG. 3), When driving and closing the shutter 2, the DC motor 6 is started. The current measuring unit 7 detects the value of the current I1 of the DC motor 6 after T seconds from the end of time, and the value of the current I2 of the DC motor 6 from T seconds to the end of the closing operation is equal to the current I1 after C seconds. When the current measuring unit 7 detects that the value exceeds B% (FIG. 4), the control circuit unit 9 determines that there is an abnormality, and when any of the abnormality is determined, the control circuit A command is issued from the unit 9, the switch 8 supplying power to the DC motor 6 is opened, and the DC motor 6 is immediately stopped. Then, after the DC motor 6 is stopped, the DC motor 6 is reversely rotated for a predetermined time to release the shutter 2 To return.

このようにすることにより、閉動作したシャッター2に障害物が介在する等シャッター2の閉動作の抵抗となるような異常が生じ、直流モータ6の大きな負荷となって電流I1 の値が増え、電流I1の値が前記の所定電流値Xを超えたことを電流計測部7で検出したとき、また、前記電流I1の値が前記の所定電流値Xを超えず、シャッター2の閉動作が続行し、直流モータ6を起動してからT秒後で閉動作終了迄の間に、閉動作したシャッター2に、障害物が介在する等シャッター2の閉動作の抵抗となるような異常が生じ、直流モータ6の大きな負荷となって電流I2の値が増え、電流I2の値が前記電流I1の値のA%を超えたことを電流計測部7で検出したとき、また、前記電流I1の値が前記の所定電流値Xを超えず、シャッター2の閉動作が続行し、前記直流モータ6を起動してからT秒後で閉動作終了迄の間に、閉動作したシャッター2に、障害物が介在する等シャッター2の閉動作の抵抗となるような異常が生じ、直流モータ6の大きな負荷となって電流I2の値が増え、電流I2の値がC秒間で前記電流I1の値のB%を超えたことを電流計測部7で検出したとき、制御回路部9で異常ありと判断して該制御回路部9から指令を出し、直流モータ6に給電している開閉器8を開き直ちに前記直流モータ6を停止させることができ、そして、直流モータ6の停止後、一定時間直流モータ6を逆回転させ前記シャッター2を戻すことができる。   By doing so, an abnormality that causes resistance of the closing operation of the shutter 2, such as an obstacle intervening in the shutter 2 that has been closed, becomes a heavy load on the DC motor 6, and the value of the current I1 increases. When the current measuring unit 7 detects that the value of the current I1 exceeds the predetermined current value X, the value of the current I1 does not exceed the predetermined current value X, and the closing operation of the shutter 2 continues. Then, between the time when the DC motor 6 is started and the time when the closing operation is completed after T seconds, an abnormality that causes resistance of the closing operation of the shutter 2, such as an obstacle, occurs in the closing operation, When the current measuring unit 7 detects that the value of the current I2 increases as the load of the DC motor 6 increases and the value of the current I2 exceeds A% of the value of the current I1, the value of the current I1 Does not exceed the predetermined current value X, and the shutter 2 is closed. The operation continues, and between the time when the DC motor 6 is started and after the closing operation is completed after T seconds, the shutter 2 that has been closed operates as a resistance to the closing operation of the shutter 2, such as an obstacle. When the current measuring unit 7 detects that an abnormality has occurred and the value of the current I2 increases as the load of the DC motor 6 increases and the value of the current I2 exceeds B% of the value of the current I1 in C seconds, The control circuit unit 9 determines that there is an abnormality, issues a command from the control circuit unit 9, opens the switch 8 that supplies power to the DC motor 6, and immediately stops the DC motor 6, and the DC motor After stopping 6, the DC motor 6 can be reversely rotated for a certain time to return the shutter 2.

上記のように、本発明に係るシャッターの開閉制御方法では、シャッター2を開閉する動力として直流モータ6を使用し、直流モータ6に給電される電流の増加により異常ありと判断し、直ちに前記直流モータ6を停止させるので、安全性を図ることができ、そして、シャッター2に障害物が接触したことを感知するセンサーを必要としないので、かかるシャッターの開閉制御方法を実施するシャッターの開閉制御装置1の故障率は極めて低く、信頼性の高いものとなり、高い安全性を図ることができる。   As described above, in the shutter opening / closing control method according to the present invention, the DC motor 6 is used as the power for opening and closing the shutter 2, and it is determined that there is an abnormality due to an increase in the current supplied to the DC motor 6, and the DC Since the motor 6 is stopped, safety can be achieved, and a sensor for detecting that an obstacle has come into contact with the shutter 2 is not required. The failure rate of 1 is extremely low and highly reliable, so that high safety can be achieved.

なお、前記した本発明に係るシャッターの開閉制御方法を実施するために例示したシャッターの開閉制御装置1は、シャッター2が昇降して開閉するものとなっているが、本発明はこれに限定されるものではなく、シャッター2が水平移動して開閉するもの、或いは回転して開閉するもの等にも同様に適用することができる。   The shutter opening / closing control device 1 illustrated for carrying out the shutter opening / closing control method according to the present invention is configured such that the shutter 2 moves up and down, but the present invention is not limited to this. The present invention is not limited to this, and can also be applied in the same manner to those in which the shutter 2 moves horizontally and opens or closes, or rotates and opens and closes.

本発明に係るシャッターの開閉制御方法を実施するシャッターの開閉装置の一例を示す説明図。Explanatory drawing which shows an example of the opening / closing apparatus of the shutter which implements the opening / closing control method of the shutter which concerns on this invention. 直流モータを起動してからT秒後に検出した直流モータの電流I1の値が所定電流値Xを超えた異常時の電流を示す説明図。Explanatory drawing which shows the electric current at the time of abnormality when the value of the current I1 of the DC motor detected after T seconds from starting the DC motor exceeds a predetermined current value X. 直流モータを起動してからT秒後に検出した直流モータの電流I1の値に対し、T秒後から閉動作終了迄に検出した直流モータの電流I2の値が電流I1の値のA%を超えた異常時の電流を示す説明図。The value of DC motor current I2 detected from T seconds to the end of the closing operation exceeds A% of the value of current I1 compared to the value of DC motor current I1 detected T seconds after starting the DC motor. Explanatory drawing which shows the electric current at the time of another abnormality. 直流モータを起動してからT秒後に検出した直流モータの電流I1の値に対し、T秒後から閉動作終了迄に検出した直流モータの電流I2の値が、C秒間で電流I1の値のB%を超えた異常時の電流を示す説明図。The value of the DC motor current I2 detected after T seconds until the end of the closing operation is equal to the value of the current I1 value during C seconds compared to the value of the DC motor current I1 detected T seconds after starting the DC motor. Explanatory drawing which shows the electric current at the time of abnormality which exceeded B%.

符号の説明Explanation of symbols

1 シャッターの開閉制御装置
2 シャッター
3 駆動力伝達部材
4 回転体
5 重り
6 直流モータ
7 電流計測部
8 開閉器
9 制御回路部
I1 直流モータを起動してからT秒迄の直流モータの電流
I2 T秒後から閉動作終了迄の直流モータの電流
DESCRIPTION OF SYMBOLS 1 Shutter opening / closing control apparatus 2 Shutter 3 Driving force transmission member 4 Rotating body 5 Weight 6 DC motor 7 Current measuring part 8 Switch 9 Control circuit part I1 Current of DC motor from starting DC motor to T seconds I2 T DC motor current from second to end of closing

Claims (5)

シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、前記電流I1の値が予め設定してある所定電流値Xを超えたときに異常ありと判断し、直ちに前記直流モータを停止させることを特徴とするシャッターの開閉制御方法。   In the shutter opening / closing control method for stopping the shutter when the abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a DC motor, and the DC motor is started after the DC motor is started during the shutter closing operation. The value of the current I1 of the DC motor after 2 seconds is detected, and when the value of the current I1 exceeds a preset current value X, it is determined that there is an abnormality, and the DC motor is immediately stopped. Characteristic shutter opening / closing control method. シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断し、直ちに前記直流モータを停止させることを特徴とするシャッターの開閉制御方法。   In the shutter opening / closing control method for stopping the shutter when the abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a DC motor, and the DC motor is started after the DC motor is started during the shutter closing operation. The value of the current I1 of the DC motor after 2 seconds is detected, and it is determined that there is an abnormality when the value of the current I2 of the DC motor from T seconds to the end of the closing operation exceeds A% of the value of the current I1. And immediately closing the DC motor, the shutter opening / closing control method. シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値 が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断し、直ちに前記直流モータを停止させることを特徴とするシャッターの開閉制御方法。   In the shutter opening / closing control method for stopping the shutter when the abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a DC motor, and the DC motor is started after the DC motor is started during the shutter closing operation. When the value of the current I1 of the DC motor after 2 seconds is detected and the value of the current I2 of the DC motor from T seconds to the end of the closing operation exceeds B% of the value of the current I1 in C seconds A shutter opening / closing control method characterized by determining that there is an abnormality and immediately stopping the DC motor. シャッターの閉動作時に異常が生じた場合、シャッターを停止させるシャッターの開閉制御方法において、シャッターの開閉を直流モータで行うものとし、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、前記電流I1の値が予め設定してある所定電流値Xを超えたときに異常ありと判断し、
また、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が前記電流I1の値のA%を超えたときに異常ありと判断し、また、シャッターの閉動作の際に、前記直流モータを起動してからT秒後の前記直流モータの電流I1の値を検出し、T秒後から閉動作終了迄の前記直流モータの電流I2の値が、C秒間で前記電流I1の値のB%を超えたときに異常ありと判断し、前記いずれかの異常ありの判断をしたとき、直ちに前記直流モータを停止させることを特徴とするシャッターの開閉制御方法。
In the shutter opening / closing control method for stopping the shutter when the abnormality occurs during the closing operation of the shutter, the shutter is opened / closed by a DC motor, and the DC motor is started after the DC motor is started during the shutter closing operation. Detecting the value of the current I1 of the DC motor after a second, and determining that there is an abnormality when the value of the current I1 exceeds a preset current value X;
Further, when the shutter is closed, the value of the current I1 of the DC motor is detected T seconds after starting the DC motor, and the current I2 of the DC motor from T seconds to the end of the closing operation is detected. It is determined that there is an abnormality when the value exceeds A% of the value of the current I1, and when the shutter is closed, the DC motor current I1 T seconds after the DC motor is started. When the value of the current I2 of the DC motor from T seconds to the end of the closing operation exceeds B% of the value of the current I1 in C seconds, it is determined that there is an abnormality, A shutter opening / closing control method comprising: immediately stopping the DC motor when it is determined that there is an abnormality.
前記直流モータの停止後に該直流モータを逆転させて前記シャッターを戻すことを特徴とする請求項1,2,3又は4に記載のシャッターの開閉制御方法。   5. The shutter opening / closing control method according to claim 1, wherein the DC motor is reversely rotated to return the shutter after the DC motor is stopped.
JP2005043910A 2005-02-21 2005-02-21 Method for controlling opening/closing of shutter Withdrawn JP2006226056A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011080280A (en) * 2009-10-08 2011-04-21 Shinsei Seiki Co Ltd Shutter opening/closing device
JP2020084581A (en) * 2018-11-26 2020-06-04 株式会社安川電機 Shutter device, power conversion device, and power conversion method
JP2022060124A (en) * 2020-10-02 2022-04-14 株式会社ハアーモニー Opening/closing device of opening/closing body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011080280A (en) * 2009-10-08 2011-04-21 Shinsei Seiki Co Ltd Shutter opening/closing device
JP2020084581A (en) * 2018-11-26 2020-06-04 株式会社安川電機 Shutter device, power conversion device, and power conversion method
JP7188012B2 (en) 2018-11-26 2022-12-13 株式会社安川電機 SHUTTER DEVICE, POWER CONVERTER AND POWER CONVERSION METHOD
JP2022060124A (en) * 2020-10-02 2022-04-14 株式会社ハアーモニー Opening/closing device of opening/closing body

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