JP2013049979A - Method for measuring current value when detecting that obstacle gets caught in door, method for setting the current value, and apparatus for measuring the current value - Google Patents

Method for measuring current value when detecting that obstacle gets caught in door, method for setting the current value, and apparatus for measuring the current value Download PDF

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JP2013049979A
JP2013049979A JP2011188308A JP2011188308A JP2013049979A JP 2013049979 A JP2013049979 A JP 2013049979A JP 2011188308 A JP2011188308 A JP 2011188308A JP 2011188308 A JP2011188308 A JP 2011188308A JP 2013049979 A JP2013049979 A JP 2013049979A
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door
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opening
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closing
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JP5871527B2 (en
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Yoshifumi Murata
良文 村田
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Japan Automatic Door Co Ltd
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Japan Automatic Door Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a method for measuring a current value when detecting that an obstacle gets caught in a door, which enables the measurement of the current value of a motor for opening/closing when it is detected that the obstacle gets caught in the door, because a predetermined load is applied to the door during a closing operation, a method for setting the current value, and an apparatus for measuring the current value.SOLUTION: A wire 22 having one end 22a connected to a door 3, and a weight (load part) 23 connected to the other end 22b of the wire 22 and enabling a predetermined load to be applied to the door 3 via the wire 22 are installed in such a manner that the wire 22 is elongated to the utmost in a section in which a closing speed when the door 3 is shifted toward a closed state from an open state becomes constant and that the predetermined load is applied to the door 3 from the weight 23. The door 3 is closed from the open state while a threshold of a current value of a motor 4 for opening/closing during the reversing motion of the door 3 is changed, and the optimum threshold of the current value of the motor 4 for opening/closing during the reversing motion of the door 3 is measured.

Description

本発明は、自動ドア装置のドアに所定の負荷が加わり挟み込みが検出されるときの電流値を測定するための、ドアの挟み込み検出時の電流値測定方法、電流値設定方法、および電流値測定装置に関する。   The present invention relates to a current value measuring method, a current value setting method, and a current value measurement for detecting a pinching of a door for measuring a current value when pinching is detected by applying a predetermined load to the door of an automatic door device. Relates to the device.

従来、閉動作中のドアが、人や荷物などの障害物と衝突すると、この衝突（ドアの挟み込み）を検出して、閉動作中のドアを反転させて開放させる自動ドア装置が知られている（例えば、特許文献１参照）。
このような自動ドア装置では、ドアの挟み込みが発生すると、ドアを開閉する開閉用モータの負荷が変動するため、この開閉用モータの電流値や回転速度が予め設定された基準値を超えたと判断したときに、ドアの挟み込みを検出し、閉動作中のドアを反転させて開放させている。 Conventionally, there is known an automatic door device that detects a collision (door pinching) when a closing door collides with an obstacle such as a person or a baggage, and reverses and opens the closing door. (For example, refer to Patent Document 1).
In such an automatic door device, when the door is caught, the load of the opening / closing motor that opens and closes the door fluctuates. Therefore, it is determined that the current value and the rotation speed of the opening / closing motor exceed preset reference values. When the door is caught, it is detected that the door is caught, and the door being closed is reversed and opened.

特開２００４−１６２４４１号公報Japanese Patent Laid-Open No. 2004-162441

しかしながら、従来の自動ドア装置は、開閉用モータの電流値や回転速度が基準値を超えた場合にドアの挟み込みを検出しているため、挟み込みが検出されるときに実際にドアにどの程度の負荷がかかっているのかわからない。また、この基準値は、経験値や実際にドアと障害物が衝突したときの感覚によって決められている。
同様に、特許文献１の自動ドア装置では、基準値が、通常開閉時のドアの速度に対して何％減速した速度というように設定され、また、減速時間の補正係数も同様に設定されているため、ドアの重量や速度により実際に反転に要する力に大きなばらつきが生じている。
このため、ドアに所定の負荷がかかったときに、ドアの挟み込みが検出されてドアが反転するように設定することができないという問題がある。 However, since the conventional automatic door device detects the pinching of the door when the current value or rotation speed of the opening / closing motor exceeds the reference value, how much is actually applied to the door when the pinching is detected. I do not know if it is under load. Also, this reference value is determined by experience values and the feeling when the door and the obstacle actually collide.
Similarly, in the automatic door device of Patent Document 1, the reference value is set to a speed that is reduced by what percentage with respect to the speed of the door during normal opening and closing, and the correction coefficient for the deceleration time is also set in the same manner. Therefore, there is a large variation in the force actually required for reversal depending on the weight and speed of the door.
For this reason, when a predetermined load is applied to the door, there is a problem that it is not possible to set the door to be reversed by detecting the pinching of the door.

なお、薄膜素子や圧電素子を用いてセンサ表面にかかる圧力を電気信号に変換する圧力センサ、あるいは引っ張る力を測定するバネばかりやプッシュプルゲージなどを用いて、ドアの挟み込み時にドアにかかる負荷を測定することが考えられる。しかし、これらの手段を用いた場合、ドアの衝突力を逃がすことができないため、実際に測定されるのはドアの衝突力（衝撃力）であって、ドアにかかる負荷を測定することは困難である。
さらに、圧力センサにぶつかったドアは、停止するために必ず反転してしまい、また、プッシュプルゲージの場合は、ドアに取り付けられたワイヤが伸びきった後に、停止するために必ず反転してしまうため、ドアの挟み込みが検出されてドアが反転するときのドアにかかる負荷を測定することは困難である。 Use a thin film element or piezoelectric element to convert the pressure applied to the sensor surface into an electrical signal, or use only a spring to measure the pulling force or a push-pull gauge. It is possible to measure. However, when these means are used, the collision force of the door cannot be released, so what is actually measured is the collision force (impact force) of the door, and it is difficult to measure the load on the door. It is.
Furthermore, the door that hits the pressure sensor must be reversed to stop, and in the case of a push-pull gauge, it must be reversed to stop after the wire attached to the door is fully extended. For this reason, it is difficult to measure the load applied to the door when the door is caught and the door is reversed.

本発明は、上述する問題点に鑑みてなされたもので、移動中のドアに所定の負荷がかかり、ドアの挟み込みが検出されるときの開閉用モータの電流値を測定することができるドアの挟み込み検出時の電流値測定方法、電流値設定方法、および電流値測定装置を提供することを目的とする。   The present invention has been made in view of the above-described problems, and is a door that can measure the current value of the opening / closing motor when a predetermined load is applied to the moving door and the pinching of the door is detected. An object of the present invention is to provide a current value measuring method, a current value setting method, and a current value measuring device at the time of pinching detection.

上記目的を達成するため、本発明に係るドアの挟み込み検出時の電流値測定方法は、開口部をスライドして開閉するドアと、該ドアを開閉させる開閉用モータを有する開閉駆動部と、該開閉駆動部を制御する制御部とを備え、該制御部が、移動中の前記ドアが障害物と接触し前記ドアの挟み込みが生じたことを検知する検知部と、該検知部が前記ドアの挟み込みを検知したときに移動中の前記ドアを反転または停止させる判定を行う判定部とを有する自動ドア装置において、前記ドアに所定の負荷がかかり前記ドアの挟みこみが検出されるときの前記開閉用モータの電流値を測定するためのドアの挟み込み検出時の電流値測定方法であって、一方の端部が前記ドアと接続されるワイヤと、前記ワイヤの他方の端部に接続されて該ワイヤを介して前記ドアに前記所定の負荷をかけることが可能な負荷部とを、前記ドアの速度が一定となる区間において前記ワイヤが伸びきるとともに、前記負荷部から前記ドアに前記所定の負荷がかかるように設置し、前記ドアが反転または停止するときの前記開閉用モータの電流値の閾値を変化させながら、前記ドアを移動させ、前記ドアが反転または停止するときの前記開閉用モータの電流値の最適な閾値を測定することを特徴とする。   In order to achieve the above object, a current value measuring method at the time of detecting pinching of a door according to the present invention includes a door that opens and closes by sliding an opening, an opening and closing drive unit having an opening and closing motor that opens and closes the door, A control unit that controls the opening / closing drive unit, and the control unit detects that the moving door is in contact with an obstacle and the door is trapped, and the detection unit is connected to the door. An automatic door device having a determination unit configured to determine whether the moving door is reversed or stopped when the pinching is detected, and the opening and closing when the door is subjected to a predetermined load and pinching of the door is detected A current value measuring method at the time of detecting pinching of a door for measuring a current value of a motor for a motor, wherein one end is connected to the door and the other end of the wire is connected to the wire Through the wire A load portion capable of applying the predetermined load to the door, so that the wire extends in a section where the speed of the door is constant, and the predetermined load is applied to the door from the load portion. Installing and changing the threshold value of the current value of the opening / closing motor when the door is reversed or stopped, moving the door and optimizing the current value of the opening / closing motor when the door is reversed or stopped It measures the threshold value.

また、本発明に係るドアの挟み込み検出時の電流値設定方法は、開口部をスライドして開閉するドアと、該ドアを開閉させる開閉用モータを有する開閉駆動部と、該開閉駆動部を制御する制御部とを備え、該制御部が、移動中の前記ドアが障害物と接触し前記ドアの挟み込みが生じたことを検知する検知部と、該検知部が前記ドアの挟み込みを検知したときに移動中の前記ドアを反転または停止させる判定を行う判定部とを有する自動ドア装置において、前記ドアに所定の負荷がかかり前記ドアの挟みこみが検出されるときの前記開閉用モータの電流値を設定するためのドアの挟み込み検出時の電流値設定方法であって、一方の端部が前記ドアと接続されるワイヤと、前記ワイヤの他方の端部に接続されて該ワイヤを介して前記ドアに前記所定の負荷をかけることが可能な負荷部とを、前記ドアの速度が一定となる区間において前記ワイヤが伸びきるとともに、前記負荷部から前記ドアに前記所定の負荷がかかるように設置し、前記ドアが反転または停止するときの前記開閉用モータの電流値の閾値を変化させながら、前記ドアを移動させ、前記ドアが反転または停止するときの前記開閉用モータの電流値の最適な閾値を測定し、前記ドアが反転または停止するときの前記開閉用モータの電流値を前記最適な閾値に設定することを特徴とする。   Further, according to the present invention, there is provided a method for setting a current value when detecting pinching of a door, a door that opens and closes by sliding an opening, an opening and closing drive unit that has an opening and closing motor that opens and closes the door, and controls the opening and closing drive unit A control unit that detects that the moving door is in contact with an obstacle and the door is caught, and the detection unit detects the door being caught. In the automatic door device having a determination unit for performing a determination to reverse or stop the door being moved, a current value of the opening / closing motor when a predetermined load is applied to the door and pinching of the door is detected A current value setting method at the time of detecting pinching of the door for setting the wire, wherein one end is connected to the door, and the other end of the wire is connected to the wire via the wire. Said place on the door A load portion capable of applying a load of the door, wherein the wire is extended in a section where the speed of the door is constant, and the predetermined load is applied to the door from the load portion, and the door The door is moved while changing the threshold value of the current value of the opening / closing motor when the door is reversed or stopped, and the optimum threshold value of the current value of the opening / closing motor when the door is reversed or stopped The current value of the opening / closing motor when the door is reversed or stopped is set to the optimum threshold value.

また、本発明に係るドアの挟み込み検出時の電流値測定装置は、開口部をスライドして開閉するドアと、該ドアを開閉させる開閉用モータを有する開閉駆動部と、該開閉駆動部を制御する制御部とを備え、該制御部が、移動中の前記ドアが障害物と接触し前記ドアの挟み込みが生じたことを検知する検知部と、該検知部が前記ドアの挟み込みを検知したときに移動中の前記ドアを反転または停止させる判定を行う判定部とを有する自動ドア装置において、前記ドアに所定の負荷がかかり前記ドアの挟みこみが検出されるときの前記開閉用モータの電流値を測定するためのドアの挟み込み検出時の電流値測定装置であって、一方の端部が前記ドアと接続されるワイヤと、前記ワイヤの他方の端部に接続されて該ワイヤを介して前記ドアに前記所定の負荷をかけることが可能な負荷部とを備え、前記ワイヤおよび前記負荷部は、前記ドアの速度が一定となる区間において前記ワイヤが伸びきるとともに、前記負荷部から前記ドアに前記所定の負荷がかかるように設置され、前記ドアが反転または停止するときの前記開閉用モータの電流値の閾値を変化させながら、前記ドアを移動させ、前記ドアが反転または停止するときの前記開閉用モータの電流値の最適な閾値を測定することを特徴とする。   In addition, the current value measuring device when detecting the pinching of the door according to the present invention controls a door that opens and closes by sliding the opening, an opening and closing drive unit having an opening and closing motor for opening and closing the door, and the opening and closing drive unit A control unit that detects that the moving door is in contact with an obstacle and the door is caught, and the detection unit detects the door being caught. In the automatic door device having a determination unit for performing a determination to reverse or stop the door being moved, a current value of the opening / closing motor when a predetermined load is applied to the door and pinching of the door is detected A current value measuring device at the time of detecting pinching of the door for measuring the wire, one end of which is connected to the door, and the other end of the wire is connected to the wire via the wire. Said place on the door A load section capable of applying a load of the load, and the wire and the load section extend the wire in a section where the speed of the door is constant, and the predetermined load is applied to the door from the load section. The opening / closing motor of the opening / closing motor is moved when the door is reversed or stopped while changing the threshold value of the current value of the opening / closing motor when the door is reversed or stopped. It is characterized in that an optimum threshold value of the current value is measured.

本発明では、開閉用モータの電流値の閾値（設定値）を変化させながら移動中のドアに所定の負荷をかけて、ドアが反転または停止する電流値の閾値を測定することにより、移動中のドアに所定の負荷がかかりドアが反転または停止するときの開閉用モータの電流値の最適な閾値を知ることができる。
これにより、移動中のドアに所定の負荷がかかったときに、ドアが反転または停止するように設定することができる。 In the present invention, a predetermined load is applied to the moving door while changing the threshold value (setting value) of the current value of the opening / closing motor, and the threshold value of the current value at which the door is reversed or stopped is measured. It is possible to know the optimum threshold value of the current value of the opening / closing motor when a predetermined load is applied to the door and the door is reversed or stopped.
Thereby, when a predetermined load is applied to the moving door, the door can be set to be reversed or stopped.

また、本発明に係るドアの挟み込み検出時の電流値測定方法では、前記負荷部は、前記所定の負荷と同等の重さの錘としてもよい。
このようにすることにより、ワイヤの他方の端部に錘を吊り下げて、ドアを移動させたときにワイヤが伸びきり、錘が一定高さ持ち上がり、その後にドアが反転または停止した場合は、このときの開閉用モータの電流値の閾値を測定すれば、ドアに所定の負荷がかかりドア反転または停止するときの開閉用モータの電流値の最適な閾値を確実に知ることができる。
また、錘が一定高さ持ち上がり、その後にドアが反転または停止せずに同じ方向に移動した場合は、ドアが反転または停止するときの電流値の閾値を下げ、再度ドアを移動させる。そして、錘が一定高さ持ち上がり、その後にドアが反転または停止するまで電流値の閾値を調整する。
このようにして、錘が一定高さ持ち上がり、その後にドアが反転または停止したときの電流値の閾値を測定することで、ドアに所定の負荷がかかりドアが反転または停止するときの開閉用モータの電流値の最適な閾値を確実に知ることができる。
また、錘が一定高さ持ち上がることにより、ドアの挟み込みが生じたときにドアにかかる衝突力を逃がすことができるため、所定の負荷と同等の重さの錘を使用することで、ドアに所定の負荷をかけることができる。 In the current value measuring method when detecting the pinching of the door according to the present invention, the load portion may be a weight having a weight equivalent to that of the predetermined load.
By doing this, when the weight is suspended at the other end of the wire and the door is moved, the wire is fully extended, the weight is lifted by a certain height, and then the door is reversed or stopped, If the threshold value of the current value of the opening / closing motor at this time is measured, the optimum threshold value of the current value of the opening / closing motor when a predetermined load is applied to the door and the door is reversed or stopped can be surely known.
If the weight is lifted by a certain height and then the door moves in the same direction without being reversed or stopped, the threshold value of the current value when the door is reversed or stopped is lowered and the door is moved again. Then, the threshold value of the current value is adjusted until the weight is lifted by a certain height and then the door is reversed or stopped.
In this way, by measuring the threshold value of the current value when the weight is lifted by a certain height and then the door is reversed or stopped, the opening / closing motor when the door is reversed or stopped when a predetermined load is applied to the door It is possible to reliably know the optimum threshold value of the current value.
Also, since the weight is lifted by a certain height, it is possible to release the collision force applied to the door when the door is caught. Therefore, by using a weight with a weight equivalent to a predetermined load, Can be loaded.

また、本発明に係るドアの挟み込み検出時の電流値測定方法では、前記負荷部は、前記所定の負荷と同等の負荷を電気的にかけることが可能な負荷用モータとしてもよい。
このようにすることにより、ワイヤの他方の端部に負荷用モータを接続し、ドアを移動させたときにワイヤが伸びきり、ドアが反転または停止したときの開閉用モータの電流値の閾値を測定すれば、ドアに所定の負荷がかかりドア反転または停止するときの開閉用モータの電流値の最適な閾値を確実に知ることができる。
また、ドアが反転または停止せずに同じ方向に移動した場合は、ドアが反転または停止するときの電流値の閾値を下げ、再度ドアを移動させる。そして、ドアが反転または停止するまで電流値の閾値を調整する。
このようにして、ドアが反転または停止したときの電流値の閾値を測定することで、ドアに所定の負荷がかかりドアが反転または停止するときの開閉用モータの電流値の最適な閾値を知ることができる。
また、負荷部は、所定の負荷と同等の負荷を電気的にかけることが可能な負荷用モータとしていることにより、負荷用モータが一定距離回転すれば、ドアの挟み込みが生じたときにドアにかかる衝突力を逃がすことができるため、ドアに所定の負荷をかけることができる。 In the current value measuring method when detecting the pinching of the door according to the present invention, the load unit may be a load motor capable of electrically applying a load equivalent to the predetermined load.
By doing so, the load motor is connected to the other end of the wire, and when the door is moved, the wire is fully extended, and the threshold value of the current value of the opening / closing motor when the door is reversed or stopped is set. By measuring, it is possible to surely know the optimum threshold value of the current value of the opening / closing motor when a predetermined load is applied to the door and the door is reversed or stopped.
When the door moves in the same direction without being reversed or stopped, the threshold value of the current value when the door is reversed or stopped is lowered, and the door is moved again. Then, the threshold value of the current value is adjusted until the door is reversed or stopped.
In this way, by measuring the threshold value of the current value when the door is reversed or stopped, the optimum threshold value of the current value of the opening / closing motor when the door is reversed or stopped when a predetermined load is applied to the door is known. be able to.
In addition, since the load unit is a load motor that can electrically apply a load equivalent to a predetermined load, if the load motor rotates for a certain distance, the door is placed when the door is caught. Since such a collision force can be released, a predetermined load can be applied to the door.

また、本発明に係るドアの挟み込み検出時の電流値測定方法では、前記負荷部は、前記所定の負荷と同等の負荷を機械的にかけることが可能な摩擦板としてもよい。
このようにすることにより、ワイヤの他方の端部に摩擦板を接続し、ドアを移動させたときにワイヤが伸びきり、ドアが反転または停止したときの開閉用モータの電流値の閾値を測定すれば、ドアに所定の負荷がかかりドアが反転または停止するときの開閉用モータの電流値の最適な閾値を知ることができる。
また、ドアが反転または停止せずに同じ方向に移動した場合は、ドアが反転または停止するときの電流値の閾値を下げ、再度ドアを移動させる。そして、ドアが反転または停止するまで電流値の閾値を調整する。
このようにして、ドアが反転または停止したときの電流値の閾値を測定することで、ドアに所定の負荷がかかりドアが反転または停止するときの開閉用モータの電流値の最適な閾値を知ることができる。
また、負荷部は、所定の負荷と同等の負荷を機械的にかけることが可能な摩擦板としていることにより、摩擦板が一定距離回転すれば、ドアの挟み込みが生じたときにドアにかかる衝突力を逃がすことができるため、ドアに所定の負荷をかけることができる。 In the current value measuring method when detecting the pinching of the door according to the present invention, the load portion may be a friction plate capable of mechanically applying a load equivalent to the predetermined load.
By doing this, a friction plate is connected to the other end of the wire, and when the door is moved, the wire is fully extended, and the current value threshold value of the opening / closing motor when the door is reversed or stopped is measured. Then, it is possible to know the optimum threshold value of the current value of the opening / closing motor when a predetermined load is applied to the door and the door is reversed or stopped.
When the door moves in the same direction without being reversed or stopped, the threshold value of the current value when the door is reversed or stopped is lowered, and the door is moved again. Then, the threshold value of the current value is adjusted until the door is reversed or stopped.
In this way, by measuring the threshold value of the current value when the door is reversed or stopped, the optimum threshold value of the current value of the opening / closing motor when the door is reversed or stopped when a predetermined load is applied to the door is known. be able to.
In addition, since the load part is a friction plate that can mechanically apply a load equivalent to a predetermined load, if the friction plate rotates for a certain distance, a collision applied to the door when the door is caught Since the force can be released, a predetermined load can be applied to the door.

本発明によれば、開閉用モータの電流値の閾値を変化させながら移動中のドアに所定の負荷をかけて、ドアが反転または停止する電流値の閾値を測定することにより、移動中のドアに所定の負荷がかかりドアが反転または停止するときの開閉用モータの電流値の最適な閾値を知ることができる。
これにより、移動中のドアに所定の負荷がかかったときに、ドアが反転または停止するように設定することができる。 According to the present invention, a predetermined load is applied to the moving door while changing the threshold value of the current value of the opening / closing motor, and the threshold value of the current value at which the door is reversed or stopped is measured. It is possible to know the optimum threshold value of the current value of the opening / closing motor when a predetermined load is applied to the door and the door is reversed or stopped.
Thereby, when a predetermined load is applied to the moving door, the door can be set to be reversed or stopped.

本発明の第１実施形態による自動ドア装置およびドアの挟み込み検出時の電流値測定装置の一例を示す図である。It is a figure which shows an example of the electric current value measuring apparatus at the time of the automatic door apparatus by 1st Embodiment of this invention, and the detection of pinching of a door. 図１に示す自動ドア装置およびドアの挟み込み検出時の電流値測定装置のブロック図である。FIG. 2 is a block diagram of the automatic door device shown in FIG. 1 and a current value measuring device at the time of detecting pinching of the door. ワイヤが伸びきったときのドアの挟み込み検出時の電流値測定装置を説明する図である。It is a figure explaining the electric current value measuring apparatus at the time of pinching detection of a door when a wire has extended completely. ドアが閉鎖状態となったときのドアの挟み込み検出時の電流値測定装置を説明する図である。It is a figure explaining the electric current value measuring apparatus at the time of detection of pinching of a door when a door will be in a closed state. ドアの挟み込み検出時の電流値測定方法のフロー図である。It is a flowchart of the electric current value measuring method at the time of detecting pinching of a door. 錘が少し持ち上がったときのドアの挟み込み検出時の電流値測定装置を説明する図である。It is a figure explaining the electric current value measuring apparatus at the time of pinching detection of a door when a weight raises a little. 第２実施形態によるドアの挟み込み検出時の電流値測定装置の一例を示す図である。It is a figure which shows an example of the electric current value measuring apparatus at the time of the pinching detection of the door by 2nd Embodiment. 第３実施形態によるドアの挟み込み検出時の電流値測定装置の一例を示す図である。It is a figure which shows an example of the electric current value measuring apparatus at the time of detection of the pinching of the door by 3rd Embodiment.

（第１実施形態）
以下、本発明の実施形態によるドアの挟み込み検出時の電流値測定方法、電流値設定方法、および電流値測定装置について、図１乃至図６に基づいて説明する。
図１および図２に示すように、本実施形態による自動ドア装置１は、開口部２（図１参照）をスライドして開閉するドア３と、ドア３を開閉させる開閉用モータ４を有する開閉駆動部５と、開閉駆動部５を制御する制御部６とを備えている。
そして、制御部６は、閉動作中のドア３が人や荷物などの障害物（不図示）と衝突しドア３の挟み込みが生じたことを検知する検知部７と、検知部７がドア３の挟み込みを検知したときに閉動作中のドア３を反転させて開放させる判定を行う判定部８と、ドア３が反転するときの開閉用モータ４の電流値の閾値を設定する設定部９とを備えている。 (First embodiment)
Hereinafter, a current value measurement method, a current value setting method, and a current value measurement device at the time of detection of a door pinching according to an embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 1 and 2, the automatic door device 1 according to the present embodiment includes an opening / closing door 4 that opens and closes by sliding an opening 2 (see FIG. 1) and an opening / closing motor 4 that opens and closes the door 3. The drive part 5 and the control part 6 which controls the opening / closing drive part 5 are provided.
The control unit 6 includes a detection unit 7 that detects that the closing door 3 collides with an obstacle (not shown) such as a person or a baggage and the door 3 is caught, and the detection unit 7 includes the door 3. And a setting unit 9 for setting a threshold value of the current value of the opening / closing motor 4 when the door 3 is reversed. It has.

検知部７は、閉動作中のドア３が障害物と衝突すると、ドア３を開閉させる開閉用モータ４の電流値が上昇するため、開閉用モータ４の電流値が一定の値（閾値）を超えたことでドア３の挟み込みが生じたことを検知するように構成されている。   When the door 3 in the closing operation collides with an obstacle, the detection unit 7 increases the current value of the opening / closing motor 4 that opens and closes the door 3, so that the current value of the opening / closing motor 4 becomes a constant value (threshold). It is configured to detect that the door 3 has been caught by exceeding.

そして、本実施形態によるドア３の挟み込み検出時の電流値測定方法は、閉動作中のドア３に所定の負荷が加わりドア３の挟みこみが検出されるときの開閉用モータ４の電流値の閾値を測定する方法である。
このドア３の挟み込み検出時の電流値測定方法は、一方の端部２２ａがドア３と接続されたワイヤ２２と、ワイヤ２２の他方の端部２２ｂに接続されてドア３に所定の負荷をかけることが可能な錘（負荷部）２３と、ワイヤ２２がかけられる滑車２４とを備えるドア３の挟み込み検出時の電流値測定装置２１を使用して行う。 The current value measuring method at the time of detecting the pinching of the door 3 according to the present embodiment is the current value of the opening / closing motor 4 when a predetermined load is applied to the door 3 being closed and the pinching of the door 3 is detected. This is a method of measuring a threshold value.
The current value measurement method at the time of detecting the pinching of the door 3 is such that one end 22a is connected to the door 3 and the other end 22b of the wire 22 is applied to the door 3 with a predetermined load. This is performed using the current value measuring device 21 at the time of detecting pinching of the door 3 including a weight (loading portion) 23 that can be used and a pulley 24 on which the wire 22 is hooked.

滑車２４は、ドア３の開放される側の側方に、ドア３の上端部の高さと同じ高さに設置されている。
また、錘２３は、滑車２４の下方の床面に設置されている。
ワイヤ２２は、一方の端部２２ａがドア３の上端部に接続されていて、滑車２４にかけられると、滑車２４から一方の端部２２ａ側が水平方向に延在し、滑車２４から他方の端部２２ｂ側が鉛直方向に延在している。 The pulley 24 is installed at the same height as the upper end of the door 3 on the side where the door 3 is opened.
Further, the weight 23 is installed on the floor surface below the pulley 24.
One end portion 22a of the wire 22 is connected to the upper end portion of the door 3, and when the wire 22 is hooked on the pulley 24, the one end portion 22a side extends from the pulley 24 in the horizontal direction, and the other end portion from the pulley 24 extends. The 22b side extends in the vertical direction.

そして、図３に示すように、ワイヤ２２は、ドア３が開放状態から閉鎖状態に向かうときの閉鎖速度が一定となる区間において伸びきり、ドア３が開放状態の時には、たるむように設置されている。なお、ドア３の閉鎖速度が一定となる区間が複数ある場合は、その中から１つの区間を選定し、選定された区間においてワイヤ２２が伸びきるように設定する。
また、図４に示すように、ドア３が、上記区間を通過して閉鎖状態に向かうと、錘２３がワイヤ２２に引っ張られて上方に持ち上がるように構成されている。これにより、ワイヤ２２が伸びきると、ドア３に錘２３の荷重が負荷としてかかることになる。 As shown in FIG. 3, the wire 22 extends in a section where the closing speed is constant when the door 3 moves from the open state to the closed state, and is installed so as to sag when the door 3 is in the open state. . When there are a plurality of sections in which the closing speed of the door 3 is constant, one section is selected from the sections, and the wire 22 is set to extend in the selected section.
Moreover, as shown in FIG. 4, when the door 3 passes the said area and goes to a closed state, the weight 23 is pulled by the wire 22, and is comprised so that it may lift upwards. Thereby, when the wire 22 is fully extended, the load of the weight 23 is applied to the door 3 as a load.

次に、ドア３の挟み込み検出時の電流値測定方法について図５のフロー図に基づいて説明する。
本実施形態では、閉動作中のドア３に１ｋｇの負荷がかかりドア３が反転するときの開閉用モータ４の電流値の閾値を測定する。
まず、ドア３を全開状態とし（Ｓ１）、ドア３の挟み込み検出時の電流値測定装置２１を設置する。このとき、錘２３の荷重は１ｋｇとする。
また、設定部９を操作して、挟み込みを検出するときの開閉用モータ４の電流値の閾値を任意の値に設定する（Ｓ２）。 Next, a current value measuring method at the time of detecting pinching of the door 3 will be described based on the flowchart of FIG.
In this embodiment, the threshold value of the current value of the opening / closing motor 4 is measured when a load of 1 kg is applied to the door 3 in the closing operation and the door 3 is reversed.
First, the door 3 is fully opened (S1), and the current value measuring device 21 at the time of detecting the pinching of the door 3 is installed. At this time, the load of the weight 23 is 1 kg.
Further, the setting unit 9 is operated to set the threshold value of the current value of the opening / closing motor 4 when detecting pinching to an arbitrary value (S2).

続いて、開閉駆動部５を駆動させてドア３を閉鎖させる（Ｓ３）。
これにより、ドア３が開放状態から閉鎖状態に向かうときの閉鎖速度が一定となる区間においてワイヤ２２が伸びきり、錘２３の荷重と同等の負荷（１ｋｇ）が閉動作中のドア３にかかる。
このとき、図６に示すように、錘２３が一定高さ持ち上がり、その後、ドア３が反転して開放するか、反転せずにそのまま閉まるかを確認する（Ｓ４）。
なお、錘２３が一定高さ持ち上がることにより、ドア３の挟み込みが生じたときにドア３にかかる衝突力を逃がすことができるため、ドア３に１ｋｇの負荷を確実にかけることができる。 Subsequently, the door driving unit 5 is driven to close the door 3 (S3).
As a result, the wire 22 is fully extended in a section where the closing speed is constant when the door 3 moves from the open state to the closed state, and a load (1 kg) equivalent to the load of the weight 23 is applied to the door 3 during the closing operation.
At this time, as shown in FIG. 6, it is confirmed whether the weight 23 is lifted by a certain height, and then the door 3 is reversed to be opened or closed without being reversed (S4).
Since the weight 23 is lifted by a certain height, a collision force applied to the door 3 when the door 3 is caught can be released, so that a load of 1 kg can be reliably applied to the door 3.

そして、ドア３が反転した場合は、挟み込みを検出するときの開閉用モータ４の電流値の閾値を既に設定した電流値の閾値から上げた値に変更する（Ｓ５）。
また、ドア３が反転せずに錘２３が更に持ち上がって閉鎖した場合は、開閉用モータ４の電流値の閾値を既に設定した電流値の閾値から下げた値に変更する（Ｓ６）。 When the door 3 is reversed, the threshold value of the current value of the opening / closing motor 4 at the time of detecting pinching is changed to a value increased from the already set threshold value of the current value (S5).
When the door 3 is not reversed and the weight 23 is further lifted and closed, the current value threshold value of the opening / closing motor 4 is changed to a value lower than the already set current value threshold value (S6).

続いて、再度開閉駆動部５を駆動させてドア３を閉鎖させて、ドア３が反転するかしないかを確認して、挟み込みを検出するときの開閉用モータ４の電流値の閾値を調整する。
これを繰り返して、ドア３が反転する場合と閉鎖する場合との開閉用モータ４の電流値の閾値を求める。そして、このドア３が反転する場合と閉鎖する場合との開閉用モータ４の電流値の閾値が、１ｋｇの荷重がドア３にかかりドア３が反転するときの電流値の閾値（電流値の最適な閾値）となる。
なお、このドア３が反転する場合と閉鎖する場合との閾値を、例えば、ドア３の閉鎖速度５０ｍｍ／ｓｅｃ毎、ドア３の重量５ｋｇ毎に求めて、ドア３の設定閉鎖速度や重量と、ドア３が反転する場合と閉鎖する場合との閾値との関係を示す計算式や表を作成してもよい。 Subsequently, the opening / closing drive unit 5 is driven again to close the door 3 to confirm whether the door 3 is reversed or not, and the threshold value of the current value of the opening / closing motor 4 when detecting pinching is adjusted. .
By repeating this, the threshold value of the current value of the opening / closing motor 4 when the door 3 is reversed and when the door 3 is closed is obtained. The threshold value of the current value of the opening / closing motor 4 when the door 3 is reversed and when the door 3 is closed is the threshold value of the current value when the load is applied to the door 3 and the door 3 is reversed (optimum current value). Threshold).
In addition, the threshold value when the door 3 is reversed and when the door 3 is closed is obtained, for example, every 50 mm / sec of the closing speed of the door 3, and every 5 kg of the weight of the door 3. You may create the calculation formula and table | surface which show the relationship between the threshold value when the door 3 reverses and when it closes.

そして、ドア３に１ｋｇの荷重がかかりドア３が反転するときの電流値の閾値を設定部９で設定することで、閉動作中のドア３に１ｋｇの負荷がかかるとドア３が反転して開放するように設定することができる。   And by setting the threshold value of the current value when the load of 1 kg is applied to the door 3 and the door 3 is reversed, the door 3 is inverted when the load of 1 kg is applied to the door 3 being closed. Can be set to open.

次に、上述したドア３の挟み込み検出時の電流値測定方法の作用効果について図面を用いて説明する。
本実施形態によるドア３の挟み込み検出時の電流値測定方法によれば、開閉用モータ４の電流値の設定値を変化させながら閉動作中のドア３に１ｋｇの負荷をかけて、ドア３が反転する電流値の閾値を測定することにより、ドア３に１ｋｇの負荷がかかり反転するときの開閉用モータ４の電流値を知ることができる。
これにより、閉動作中のドア３に１ｋｇの負荷がかかったときに、ドア３が反転するように設定することができる。 Next, the operation and effect of the current value measuring method at the time of detecting the pinching of the door 3 will be described with reference to the drawings.
According to the current value measuring method at the time of detecting the pinching of the door 3 according to the present embodiment, a load of 1 kg is applied to the door 3 in the closing operation while changing the set value of the current value of the opening / closing motor 4. By measuring the threshold value of the current value to be reversed, it is possible to know the current value of the opening / closing motor 4 when a load of 1 kg is applied to the door 3 and the door 3 is reversed.
Thereby, when a 1 kg load is applied to the door 3 during the closing operation, the door 3 can be set to be reversed.

（第２実施形態）
次に、第２実施形態について、添付図面に基づいて説明するが、上述の第１実施形態と同一又は同様な部材、部分には同一の符号を用いて説明を省略し、第１実施形態と異なる構成について説明する。
図７に示すように、第２実施形態によるドア３の挟み込み検出時の電流値測定方法では、第１実施形態の錘２３（図１参照）に代わって、ドア３に１ｋｇの負荷を電気的にかけることが可能な負荷用モータ３１を備えるドア３の挟み込み検出時の電流値測定装置３２を使用している。 (Second Embodiment)
Next, the second embodiment will be described with reference to the accompanying drawings. However, the same or similar members and parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. A different configuration will be described.
As shown in FIG. 7, in the current value measuring method at the time of detecting the pinching of the door 3 according to the second embodiment, a load of 1 kg is electrically applied to the door 3 instead of the weight 23 (see FIG. 1) of the first embodiment. The current value measuring device 32 at the time of detecting the pinching of the door 3 provided with the load motor 31 that can be applied to is used.

この負荷用モータ３１は、ワイヤ２２の他方の端部２２ｂと接続されていて、ドア３が開放状態から閉鎖状態に向かうときの閉鎖速度が一定となる区間においてワイヤ２２が伸びきると、ワイヤ２２を介してドア３に１ｋｇの負荷を電気的にかけるように構成されている。
本実施形態では、第１実施形態と同様に開閉用モータ４の電流値の閾値を変化させながら、ドア３が反転する場合と閉鎖する場合との開閉用モータ４の電流値の閾値を測定する。 The load motor 31 is connected to the other end 22b of the wire 22, and when the wire 22 is fully extended in a section where the closing speed when the door 3 moves from the open state to the closed state is constant, the wire 22 is The door 3 is configured to be electrically loaded with 1 kg.
In the present embodiment, the threshold value of the current value of the opening / closing motor 4 is measured when the door 3 is reversed and closed, while changing the threshold value of the current value of the opening / closing motor 4 as in the first embodiment. .

第２実施形態によるドア３の挟み込み検出時の電流値測定方法では、第１実施形態と同様の効果を奏する。
また、負荷用モータ３１を使用することにより、負荷用モータ３１が一定距離回転すれば、ドア３の挟み込みが生じたときにドア３にかかる衝突力を逃がすことができるため、ドア３に所定の負荷を確実にかけることができる。
また、ドア３に１ｋｇ以外の負荷をかけるときに、負荷用モータ３１を調整することで、容易に任意の負荷をかけることができる。 The current value measurement method at the time of detecting the pinching of the door 3 according to the second embodiment has the same effect as that of the first embodiment.
In addition, by using the load motor 31, if the load motor 31 rotates a certain distance, the collision force applied to the door 3 when the door 3 is caught can be released. The load can be reliably applied.
Further, when a load other than 1 kg is applied to the door 3, an arbitrary load can be easily applied by adjusting the load motor 31.

（第３実施形態）
図８に示すように、第２実施形態によるドア３の挟み込み検出時の電流値測定方法では、第１実施形態の錘２３（図１参照）に代わって、ドア３に１ｋｇの負荷を機械的にかけることが可能な摩擦板３３を備えるドアの挟み込み検出時の電流値測定装置３４を使用している。 (Third embodiment)
As shown in FIG. 8, in the current value measuring method at the time of detecting the pinching of the door 3 according to the second embodiment, a load of 1 kg is mechanically applied to the door 3 instead of the weight 23 (see FIG. 1) of the first embodiment. A current value measuring device 34 at the time of detecting pinching of the door including the friction plate 33 that can be applied to the door is used.

この摩擦板３３は、ワイヤ２２の他方の端部２２ｂと接続されていて、ドア３が開放状態から閉鎖状態に向かうときの閉鎖速度が一定となる区間においてワイヤ２２が伸びきると、ワイヤ２２を介してドア３に１ｋｇの負荷を機械的にかけるように構成されている。
本実施形態では、第１実施形態と同様に、開閉用モータ４の電流値の閾値を変化させながら、ドア３が反転する場合と閉鎖する場合との開閉用モータ４の電流値の閾値を測定する。 The friction plate 33 is connected to the other end 22 b of the wire 22, and when the wire 22 extends in a section where the closing speed when the door 3 moves from the open state to the closed state is constant, the friction plate 33 passes through the wire 22. The door 3 is configured to mechanically apply a load of 1 kg.
In the present embodiment, as in the first embodiment, the threshold value of the current value of the opening / closing motor 4 is measured when the door 3 is reversed and closed while changing the threshold value of the current value of the opening / closing motor 4. To do.

第３実施形態によるドアの挟み込み検出時の電流値測定方法では、第１実施形態と同様の効果を奏する。
また、摩擦板３３を使用することにより、摩擦板３３が一定距離回転すれば、ドア３の挟み込みが生じたときにドア３にかかる衝突力を逃がすことができるため、ドア３に所定の負荷を確実にかけることができる。
また、ドア３に１ｋｇ以外の負荷をかけるときに、摩擦板３３の摩擦力を調整することで、容易に任意の負荷をかけることができる。 The current value measuring method at the time of detecting the pinching of the door according to the third embodiment has the same effect as that of the first embodiment.
Further, by using the friction plate 33, if the friction plate 33 rotates by a certain distance, the collision force applied to the door 3 when the door 3 is caught can be released, so that a predetermined load is applied to the door 3. Can be applied reliably.
Further, when a load other than 1 kg is applied to the door 3, an arbitrary load can be easily applied by adjusting the frictional force of the friction plate 33.

以上、本発明によるドアの挟み込み検出時の電流値測定方法、ドアの挟み込み検出時の電流値設定方法、およびドアの挟み込み検出時の電流値測定装置２１，３２，３４の実施形態について説明したが、本発明は上記の実施形態に限定されるものではなく、その趣旨を逸脱しない範囲で適宜変更可能である。
例えば、上述した実施形態では、閉動作中のドア３に１ｋｇの負荷がかかったときに反転するよう電流値の閾値を設定しているが、ドア３にかかる負荷は１ｋｇ以外でもよく任意に設定されてもよい。 The embodiment of the current value measuring method at the time of detecting the door pinching, the method of setting the current value at the time of detecting the door pinching, and the current value measuring devices 21, 32, 34 at the time of detecting the door pinching have been described above. The present invention is not limited to the above-described embodiment, and can be changed as appropriate without departing from the spirit of the present invention.
For example, in the embodiment described above, the threshold value of the current value is set so as to reverse when a load of 1 kg is applied to the door 3 in the closing operation, but the load applied to the door 3 may be other than 1 kg and set arbitrarily. May be.

また、上述した実施形態では、閉動作中のドア３に所定の負荷が加わりドア３の挟みこみが検出されるときの開閉用モータ４の電流値の閾値を測定しているが、閉動作中のドア３に代わって、開動作中のドア３に所定の負荷が加わりドア３の挟みこみが検出されるときの開閉用モータ４の電流値の閾値を測定してもよい。開動作中のドア３の挟み込みとは、例えば、開動作中のドア３と戸袋との間に障害物が挟みこまれた状態である。
また、上述した実施形態では、ドア３の挟み込みが検出されると、ドア３が反転するように制御されているが、反転に代わってドア３が停止するように制御されていてもよい。 In the above-described embodiment, the threshold value of the current value of the opening / closing motor 4 is measured when a predetermined load is applied to the door 3 in the closing operation and the trapping of the door 3 is detected. Instead of the door 3, a threshold value of the current value of the opening / closing motor 4 may be measured when a predetermined load is applied to the door 3 during the opening operation and the pinching of the door 3 is detected. The sandwiching of the door 3 during the opening operation is, for example, a state where an obstacle is sandwiched between the door 3 and the door pocket during the opening operation.
In the above-described embodiment, the door 3 is controlled to be reversed when the pinching of the door 3 is detected. However, the door 3 may be controlled to stop instead of being reversed.

１ 自動ドア装置
２ 開口部
３ ドア
４ 開閉用モータ
５ 開閉駆動部
６ 制御部
７ 検知部
８ 判定部
９ 設定部
２１，３２，３４ 電流値測定装置
２２ ワイヤ
２２ａ 一方の端部
２２ｂ 他方の端部
２３ 錘（負荷部）
２４ 滑車
３１ 負荷用モータ（負荷部）
３３ 摩擦板（負荷部） DESCRIPTION OF SYMBOLS 1 Automatic door apparatus 2 Opening part 3 Door 4 Opening / closing motor 5 Opening / closing drive part 6 Control part 7 Detection part 8 Judgment part 9 Setting part 21, 32, 34 Current value measuring device 22 Wire 22a One end part 22b The other end part 23 weight (load section)
24 pulley 31 load motor (load section)
33 Friction plate (load section)

Claims (6)

開口部をスライドして開閉するドアと、該ドアを開閉させる開閉用モータを有する開閉駆動部と、該開閉駆動部を制御する制御部とを備え、該制御部が、移動中の前記ドアが障害物と接触し前記ドアの挟み込みが生じたことを検知する検知部と、該検知部が前記ドアの挟み込みを検知したときに移動中の前記ドアを反転または停止させる判定を行う判定部とを有する自動ドア装置において、前記ドアに所定の負荷がかかり前記ドアの挟みこみが検出されるときの前記開閉用モータの電流値を測定するためのドアの挟み込み検出時の電流値測定方法であって、
一方の端部が前記ドアと接続されるワイヤと、前記ワイヤの他方の端部に接続されて該ワイヤを介して前記ドアに前記所定の負荷をかけることが可能な負荷部とを、前記ドアの速度が一定となる区間において前記ワイヤが伸びきるとともに、前記負荷部から前記ドアに前記所定の負荷がかかるように設置し、
前記ドアが反転または停止するときの前記開閉用モータの電流値の閾値を変化させながら、前記ドアを移動させ、前記ドアが反転または停止するときの前記開閉用モータの電流値の最適な閾値を測定することを特徴とするドアの挟み込み検出時の電流値測定方法。 A door that opens and closes by sliding the opening; an opening and closing drive unit that includes an opening and closing motor that opens and closes the door; and a control unit that controls the opening and closing drive unit. A detection unit that detects that the door is caught by contact with an obstacle; and a determination unit that performs a determination to reverse or stop the moving door when the detection unit detects the door being caught. An automatic door device having a current value measurement method at the time of detection of pinching of the door for measuring a current value of the opening / closing motor when a predetermined load is applied to the door and pinching of the door is detected. ,
A wire having one end connected to the door, and a load connected to the other end of the wire and capable of applying the predetermined load to the door via the wire. In the section where the speed is constant, the wire is fully extended and installed so that the predetermined load is applied to the door from the load portion,
While changing the threshold value of the current value of the motor for opening and closing when the door is reversed or stopped, the optimal threshold value of the current value of the motor for opening and closing is moved when the door is moved and the door value is reversed or stopped. A method for measuring a current value when detecting pinching of a door, characterized by measuring. 前記負荷部は、前記所定の負荷と同等の重さの錘であることを特徴とする請求項１に記載のドアの挟み込み検出時の電流値測定方法。   2. The current value measuring method at the time of detecting pinching of a door according to claim 1, wherein the load portion is a weight having a weight equivalent to that of the predetermined load. 前記負荷部は、前記所定の負荷と同等の負荷を電気的にかけることが可能な負荷用モータであることを特徴とする請求項１に記載のドアの挟み込み検出時の電流値測定方法。   2. The method of measuring a current value at the time of detecting a door pinching according to claim 1, wherein the load unit is a load motor capable of electrically applying a load equivalent to the predetermined load. 前記負荷部は、前記所定の負荷と同等の負荷を機械的にかけることが可能な摩擦板であることを特徴とする請求項１に記載のドアの挟み込み検出時の電流値測定方法。   The current value measuring method at the time of detecting pinching of the door according to claim 1, wherein the load portion is a friction plate capable of mechanically applying a load equivalent to the predetermined load. 開口部をスライドして開閉するドアと、該ドアを開閉させる開閉用モータを有する開閉駆動部と、該開閉駆動部を制御する制御部とを備え、該制御部が、移動中の前記ドアが障害物と接触し前記ドアの挟み込みが生じたことを検知する検知部と、該検知部が前記ドアの挟み込みを検知したときに移動中の前記ドアを反転または停止させる判定を行う判定部とを有する自動ドア装置において、前記ドアに所定の負荷がかかり前記ドアの挟みこみが検出されるときの前記開閉用モータの電流値を設定するためのドアの挟み込み検出時の電流値設定方法であって、
一方の端部が前記ドアと接続されるワイヤと、前記ワイヤの他方の端部に接続されて該ワイヤを介して前記ドアに前記所定の負荷をかけることが可能な負荷部とを、前記ドアの速度が一定となる区間において前記ワイヤが伸びきるとともに、前記負荷部から前記ドアに前記所定の負荷がかかるように設置し、
前記ドアが反転または停止するときの前記開閉用モータの電流値の閾値を変化させながら、前記ドアを移動させ、前記ドアが反転または停止するときの前記開閉用モータの電流値の最適な閾値を測定し、前記ドアが反転または停止するときの前記開閉用モータの電流値を前記最適な閾値に設定することを特徴とするドアの挟み込み検出時の電流値設定方法。 A door that opens and closes by sliding the opening; an opening and closing drive unit that includes an opening and closing motor that opens and closes the door; and a control unit that controls the opening and closing drive unit. A detection unit that detects that the door is caught by contact with an obstacle; and a determination unit that performs a determination to reverse or stop the moving door when the detection unit detects the door being caught. An automatic door device having a current value setting method at the time of detecting pinching of the door for setting a current value of the opening / closing motor when a predetermined load is applied to the door and pinching of the door is detected. ,
A wire having one end connected to the door, and a load connected to the other end of the wire and capable of applying the predetermined load to the door via the wire. In the section where the speed is constant, the wire is fully extended and installed so that the predetermined load is applied to the door from the load portion,
While changing the threshold value of the current value of the motor for opening and closing when the door is reversed or stopped, the optimal threshold value of the current value of the motor for opening and closing is moved when the door is moved and the door value is reversed or stopped. A current value setting method at the time of detecting pinching of the door, characterized by measuring and setting the current value of the opening / closing motor when the door is reversed or stopped to the optimum threshold value. 開口部をスライドして開閉するドアと、該ドアを開閉させる開閉用モータを有する開閉駆動部と、該開閉駆動部を制御する制御部とを備え、該制御部が、移動中の前記ドアが障害物と接触し前記ドアの挟み込みが生じたことを検知する検知部と、該検知部が前記ドアの挟み込みを検知したときに移動中の前記ドアを反転または停止させる判定を行う判定部とを有する自動ドア装置において、前記ドアに所定の負荷がかかり前記ドアの挟みこみが検出されるときの前記開閉用モータの電流値を測定するためのドアの挟み込み検出時の電流値測定装置であって、
一方の端部が前記ドアと接続されるワイヤと、
前記ワイヤの他方の端部に接続されて該ワイヤを介して前記ドアに前記所定の負荷をかけることが可能な負荷部とを備え、
前記ワイヤおよび前記負荷部は、前記ドアの速度が一定となる区間において前記ワイヤが伸びきるとともに、前記負荷部から前記ドアに前記所定の負荷がかかるように設置され、
前記ドアが反転または停止するときの前記開閉用モータの電流値の閾値を変化させながら、前記ドアを移動させ、前記ドアが反転または停止するときの前記開閉用モータの電流値の最適な閾値を測定することを特徴とするドアの挟み込み検出時の電流値測定装置。

A door that opens and closes by sliding the opening; an opening and closing drive unit that includes an opening and closing motor that opens and closes the door; and a control unit that controls the opening and closing drive unit. A detection unit that detects that the door is caught by contact with an obstacle; and a determination unit that performs a determination to reverse or stop the moving door when the detection unit detects the door being caught. An automatic door device having a current value measuring device at the time of detection of pinching of the door for measuring a current value of the opening / closing motor when a predetermined load is applied to the door and pinching of the door is detected. ,
A wire having one end connected to the door;
A load portion connected to the other end of the wire and capable of applying the predetermined load to the door through the wire;
The wire and the load portion are installed so that the wire is fully extended in a section where the speed of the door is constant, and the predetermined load is applied to the door from the load portion,
While changing the threshold value of the current value of the motor for opening and closing when the door is reversed or stopped, the optimal threshold value of the current value of the motor for opening and closing is moved when the door is moved and the door value is reversed or stopped. An apparatus for measuring a current value when detecting pinching of a door, characterized by measuring.

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