JP2012036005A5 - - Google Patents

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JP2012036005A5
JP2012036005A5 JP2011001098A JP2011001098A JP2012036005A5 JP 2012036005 A5 JP2012036005 A5 JP 2012036005A5 JP 2011001098 A JP2011001098 A JP 2011001098A JP 2011001098 A JP2011001098 A JP 2011001098A JP 2012036005 A5 JP2012036005 A5 JP 2012036005A5
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standard deviation
passenger conveyor
distance sensor
threshold
detection area
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この発明に係る倒れ検知装置においては、転倒を検出する走査範囲である検知エリアに水平面状にレーザビームを放射するスキャン型距離センサとを備え、スキャン型距離センサは、床面から8〜11cmの高さとなるように設置され、測定した角度毎の距離を蓄積し、予め設定した検知エリア内のデータに対しその時間的な距離変化に基づいて倒れ状態と判定するものであって、予め設定した検知エリア内のデータに対しその時間的な距離変化に対する標準偏差及び標準偏差の標準偏差を計算し、標準偏差の標準偏差が閾値以下の場合、その領域の物体の表面サイズ(長さ)を計算し、物体の表面サイズ(長さ)が閾値以上の状態が所定の継続時間持続すると、倒れ状態と判定するものである。 In the fall detection device according to the present invention, the detection area which is a scan range for detecting a fall includes a scan type distance sensor that emits a laser beam in a horizontal plane, and the scan type distance sensor is 8 to 11 cm from the floor surface. It is installed to be at a height, accumulates the distance for each measured angle, and determines the fall state based on the temporal distance change with respect to the data in the preset detection area . Calculates the standard deviation and standard deviation of the deviation over time for the data in the detection area. If the standard deviation of the standard deviation is less than the threshold, the surface size (length) of the object in that area is calculated. When the state where the surface size (length) of the object is equal to or greater than the threshold value continues for a predetermined duration, it is determined that the object is in a fallen state .

また、この発明に係る乗客コンベアにおいては、乗客コンベアの乗り場と降り場となる各乗降口にそれぞれ設置され、乗客コンベアのステップ側にくし板が設けられている乗降用床板と、乗降用床板の反くし板側に設けられた乗客が接近するためのアプローチ用通路と、乗客コンベアの乗降口付近に設置され、乗降用床板及びアプローチ用通路を含む走査範囲に水平面状にレーザビームを放射するスキャン型距離センサとを備え、スキャン型距離センサは、床面から8〜11cmの高さとなるように設置され、測定した角度毎の距離を蓄積し、予め設定した検知エリア内のデータに対しその時間的な距離変化に基づいて倒れ状態と判定するものであって、予め設定した検知エリア内のデータに対しその時間的な距離変化に対する標準偏差及び標準偏差の標準偏差を計算し、標準偏差の標準偏差が閾値以下の場合、その領域の物体の表面サイズ(長さ)を計算し、物体の表面サイズ(長さ)が閾値以上の状態が所定の継続時間持続すると、倒れ状態と判定するものである。
Further, in the passenger conveyor according to the present invention, a boarding board for boarding / exiting, which is installed at each boarding gate for landing and landing of the passenger conveyor and provided with a comb board on the step side of the passenger conveyor, An approach passage provided on the side of the warp plate for approaching the passenger and a scan installed in the vicinity of the entrance / exit of the passenger conveyor to emit a laser beam in a horizontal plane to the scanning range including the boarding floor plate and the approach passage The scan type distance sensor is installed so as to have a height of 8 to 11 cm from the floor, accumulates the distance for each measured angle, and sets the time for the data in the preset detection area. distances be those determined state collapse based on the change, and the standard deviation for the temporal distance changes to data in the previously set the detection area When the standard deviation of the quasi-deviation is calculated, and the standard deviation of the standard deviation is less than or equal to the threshold, the surface size (length) of the object in that area is calculated, and the state where the surface size (length) of the object is greater than or equal to the threshold is predetermined If it continues for the duration of, it will be judged as a fall state .

Claims (7)

転倒を検出する走査範囲である検知エリアに水平面状にレーザビームを放射するスキャン型距離センサとを備え、
前記スキャン型距離センサは、床面から8〜11cmの高さとなるように設置され、測定した角度毎の距離を蓄積し、予め設定した検知エリア内のデータに対しその時間的な距離変化に基づいて倒れ状態と判定する倒れ検知装置であって、
予め設定した検知エリア内のデータに対しその時間的な距離変化に対する標準偏差及び標準偏差の標準偏差を計算し、標準偏差の標準偏差が閾値以下の場合、その領域の物体の表面サイズ(長さ)を計算し、物体の表面サイズ(長さ)が閾値以上の状態が所定の継続時間持続すると、倒れ状態と判定することを特徴とする倒れ検知装置。
A scanning type distance sensor that emits a laser beam in a horizontal plane in a detection area that is a scanning range for detecting a fall,
The scan-type distance sensor is installed so as to be 8 to 11 cm from the floor, accumulates the distance for each measured angle, and is based on the temporal distance change for the data in the preset detection area. A fall detection device for judging a fall state ,
Calculate the standard deviation and the standard deviation of the standard deviation with respect to the temporal distance change for the data in the detection area set in advance, and if the standard deviation of the standard deviation is below the threshold, the surface size (length) of the object in that area ) And a fall detection device that determines that the object is in a fall state when the surface size (length) of the object is equal to or greater than a threshold value for a predetermined duration .
スキャン型距離センサは、標準偏差の標準偏差の閾値を20〜40mm、物体の表面サイズ(長さ)の閾値を300〜500mm、継続時間を1〜2秒としたことを特徴とする請求項記載の倒れ検知装置。 Scan type distance sensor according to claim 1, characterized 20~40mm the threshold of the standard deviation of the standard deviation, 300 to 500 mm the threshold of the object surface size (length), that it has a duration 1 to 2 seconds The fall detection device described. スキャン型距離センサは、標準偏差は過去1〜2秒間の検知エリア内のデータから計算し、標準偏差の標準偏差は過去2〜8点の標準偏差から計算することを特徴とする請求項記載の倒れ検知装置。 Scan type distance sensor, the standard deviation was calculated from the data in the detection area for the past 1-2 seconds, according to claim 1, wherein the standard deviation of the standard deviation, characterized in that calculated from the standard deviation in the last 2-8 points Fall detection device. 乗客コンベアの乗り場と降り場となる各乗降口にそれぞれ設置され、乗客コンベアのステップ側にくし板が設けられている乗降用床板と、
前記乗降用床板の反くし板側に設けられた乗客が接近するためのアプローチ用通路と、
前記乗客コンベアの乗降口付近に設置され、前記乗降用床板及びアプローチ用通路を含む走査範囲に水平面状にレーザビームを放射するスキャン型距離センサとを備え、
前記スキャン型距離センサは、床面から8〜11cmの高さとなるように設置され、測定した角度毎の距離を蓄積し、予め設定した検知エリア内のデータに対しその時間的な距離変化に基づいて倒れ状態と判定する乗客コンベアであって、
予め設定した検知エリア内のデータに対しその時間的な距離変化に対する標準偏差及び標準偏差の標準偏差を計算し、標準偏差の標準偏差が閾値以下の場合、その領域の物体の表面サイズ(長さ)を計算し、物体の表面サイズ(長さ)が閾値以上の状態が所定の継続時間持続すると、倒れ状態と判定することを特徴とする乗客コンベア。
Floor boards for boarding / exiting, which are respectively installed at the entrances and exits of the passenger conveyor and where the comb board is provided on the step side of the passenger conveyor,
An approach passage for a passenger to approach on the side of the anti-comb plate of the floor board for getting on and off,
A scanning type distance sensor that is installed in the vicinity of the entrance / exit of the passenger conveyor, and that emits a laser beam in a horizontal plane in a scanning range including the floor board for getting on and off and an approach passage,
The scan-type distance sensor is installed so as to be 8 to 11 cm from the floor, accumulates the distance for each measured angle, and is based on the temporal distance change for the data in the preset detection area. A passenger conveyor that is judged to be in a collapsed state ,
Calculate the standard deviation and the standard deviation of the standard deviation with respect to the temporal distance change for the data in the detection area set in advance, and if the standard deviation of the standard deviation is below the threshold, the surface size (length) of the object in that area The passenger conveyor is characterized in that it is determined to be in a collapsed state when a state in which the surface size (length) of the object is equal to or greater than a threshold value continues for a predetermined duration .
乗客コンベアの乗り場と降り場となる各乗降口にそれぞれ設置され、乗客コンベアのステップ側にくし板が設けられている乗降用床板と、
前記乗降用床板の反くし板側に設けられた乗客が接近するためのアプローチ用通路と、
前記乗客コンベアの各乗降口のうち降り場となる乗降口付近に設置され、前記乗降用床板及びアプローチ用通路を含む走査範囲に水平面状にレーザビームを放射するスキャン型距離センサとを備え、
前記スキャン型距離センサは、床面から8〜11cmの高さとなるように設置され、測定した角度毎の距離を蓄積し、予め設定した検知エリア内のデータに対しその時間的な距離変化に基づいて倒れ状態と判定する乗客コンベアであって、
予め設定した検知エリア内のデータに対しその時間的な距離変化に対する標準偏差及び標準偏差の標準偏差を計算し、標準偏差の標準偏差が閾値以下の場合、その領域の物体の表面サイズ(長さ)を計算し、物体の表面サイズ(長さ)が閾値以上の状態が所定の継続時間持続すると、倒れ状態と判定することを特徴とする乗客コンベア。
Floor boards for boarding / exiting, which are respectively installed at the entrances and exits of the passenger conveyor and where the comb board is provided on the step side of the passenger conveyor,
An approach passage for a passenger to approach on the side of the anti-comb plate of the floor board for getting on and off,
A scanning type distance sensor that is installed in the vicinity of the entrance / exit of the entrance / exit of each of the passenger conveyors, and that emits a laser beam in a horizontal plane in a scanning range including the entrance / exit floor board and the approach passage,
The scan-type distance sensor is installed so as to be 8 to 11 cm from the floor, accumulates the distance for each measured angle, and is based on the temporal distance change for the data in the preset detection area. A passenger conveyor that is judged to be in a collapsed state ,
Calculate the standard deviation and the standard deviation of the standard deviation with respect to the temporal distance change for the data in the detection area set in advance, and if the standard deviation of the standard deviation is below the threshold, the surface size (length) of the object in that area The passenger conveyor is characterized in that it is determined to be in a collapsed state when a state in which the surface size (length) of the object is equal to or greater than a threshold value continues for a predetermined duration .
スキャン型距離センサは、標準偏差の標準偏差の閾値を20〜40mm、物体の表面サイズ(長さ)の閾値を300〜500mm、継続時間を1〜2秒としたことを特徴とする請求項4又は請求項5記載の乗客コンベア。 Scan type distance sensor, claim characterized 20~40mm the threshold of the standard deviation of the standard deviation, 300 to 500 mm the threshold of the object surface size (length), that it has a duration 1 to 2 seconds 4 Or the passenger conveyor of Claim 5 . スキャン型距離センサは、標準偏差は過去1〜2秒間の検知エリア内のデータから計算し、標準偏差の標準偏差は過去2〜8点の標準偏差から計算することを特徴とする請求項4又は請求項5記載の乗客コンベア。 Scan type distance sensor, the standard deviation was calculated from the data in the detection area for the past 1-2 seconds, the standard deviation of the standard deviation claim 4 or and calculating the standard deviation in the last 2-8 points The passenger conveyor according to claim 5 .
JP2011001098A 2010-07-12 2011-01-06 Fall detection device and passenger conveyor Active JP5480825B2 (en)

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JP2010157604 2010-07-12
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