JP3847621B2 - Automatic door - Google Patents

Automatic door Download PDF

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Publication number
JP3847621B2
JP3847621B2 JP2001398735A JP2001398735A JP3847621B2 JP 3847621 B2 JP3847621 B2 JP 3847621B2 JP 2001398735 A JP2001398735 A JP 2001398735A JP 2001398735 A JP2001398735 A JP 2001398735A JP 3847621 B2 JP3847621 B2 JP 3847621B2
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Prior art keywords
door
open
opening
close
doorway
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JP2001398735A
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JP2003193745A (en
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勝文 小池
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日本自動ドア株式会社
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F2015/483—Detection using safety edges for detection during opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/36—Speed control, detection or monitoring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/45—Control modes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E05Y2400/532—Emergency braking or blocking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、建物の出入口に設置され、通行人等を検知して開閉ドアを自動開閉させる自動ドアに関するものである。
【０００２】
【従来の技術】
一般に、建物の出入口には、自動ドアが設けられ、近づいてくる通行人等を検知してドアを自動開閉させるようになっている。
ここで、近年多く設置されている自動ドアの構造について、図４に示すものを例にとって説明する。
【０００３】
図において、符号１は、両開きタイプの自動ドアである。この自動ドア１は、建物の出入口における上部に、設置された駆動ユニット２と、この駆動ユニット２によって開閉される開閉ドア３とを有しており、これら開閉ドア３の両側には、フィックス板４が設けられ、これらフィックス板４に沿って開閉ドア３が移動するようになっている。
また、自動ドア１の表裏には、その上部に、近づいてきた人や物体を検知する起動センサ５が設けられており、この起動センサ５によって人や物体が検知された際に、駆動ユニット２内に設けられたコントローラによって図示しない駆動モータが駆動され、開閉ドア３が、フィックス板４に沿って移動し、出入口が開口するようになっている。
【０００４】
【発明が解決しようとする課題】
ところで、通行人や物体が近づくことにより開閉ドア３がフィックス板４に沿って移動して出入口が開口される際に、開閉ドア３の移動領域に人がいたり、物があると、移動する開閉ドア３が人や物にぶつかる恐れがある。このため、開閉ドア３の開放時の移動領域を囲う防護柵を設置して開閉ドア３との干渉を防いでいるが、このような防護柵を設置すると、コストが大幅に嵩んでしまうだけでなく、見栄えも悪くなってしまうという問題があった。
【０００５】
この発明は、上記事情に鑑みてなされたもので、良好な外観を確保しつつ低コストにて開閉ドアの開閉時における安全性が確保された自動ドアを提供することを目的としている。
【０００６】
【課題を解決するための手段】
上記目的を達成するために、請求項１記載の自動ドアは、出入口を開閉する開閉ドアと、該開閉ドアを所定速度にて移動させて前記出入口を開閉させる駆動部と、近接する物体を検知する起動センサと、該起動センサからの検知信号に基づいて前記駆動部を制御して前記開閉ドアを移動させるコントローラとを有する自動ドアであって、前記出入口を開口させるべく前記開閉ドアが移動する際の前記開閉ドアの移動領域への物体の進入を検知する検知センサを有し、前記コントローラは、前記検知センサからの検知信号に基づいて前記移動領域内に物体が進入したと判断した場合に、前記開閉ドアを前記所定速度よりも低速にて移動させるべく前記駆動部を制御することを特徴としている。
【０００７】
このように、開閉ドアが移動して出入口が開口される際に、開閉ドアの移動領域に人や物などの物体が進入すると、その物体が検知センサによって検知され、コントローラによって開閉ドアの移動速度が低速にされるので、開閉ドアの移動領域内に進入した人は、開閉ドアにぶつかることなく移動領域から離れることができ、また、移動領域内へ物を近づけた人は、その物を開閉ドアにぶつけることなく移動領域から離すことができる。
また、このとき、開閉ドアは、停止することなく低速にて移動するので、出入口も確実に開口され、開閉ドアが開くことを見込んで出入口を通過しようとしている通行人が開閉ドアに衝突するような不具合も確実に防止される。
【０００８】
請求項２記載の自動ドアは、請求項１記載の自動ドアにおいて、前記検知センサが、前記移動領域へ照射した光の反射光を検出して物体の有無を検知する光センサであることを特徴としている。
つまり、検知センサとして、反射光に基づいて物体の有無を検知する検知能力に優れた光センサを用いたので、開閉ドアの移動領域内への物体の進入が確実に検知され、さらなる安全性の向上が図られる。
【０００９】
請求項３記載の自動ドアは、請求項１または請求項２記載の自動ドアにおいて、前記開閉ドアが、前記出入口に沿って側方へスライド可能とされ、前記開閉ドアがスライドされることにより前記出入口が開閉されることを特徴としている。このように、開閉ドアの移動領域への物体の進入により開閉ドアが低速にてスライドされるので、スライドして移動する開閉ドアに人や物がぶつかることによる不具合が解消されて引き戸タイプの自動ドアにおける安全性の向上が図られる。
【００１０】
請求項４記載の自動ドアは、請求項１または請求項２記載の自動ドアにおいて、前記開閉ドアが、前記出入口の側部における上下方向の軸を中心として揺動可能とされ、前記開閉ドアが揺動されることにより前記出入口が開閉されることを特徴としている。
すなわち、開閉ドアの移動領域への物体の進入により開閉ドアが低速にて揺動されるので、揺動して移動する開閉ドアに人や物がぶつかることによる不具合が解消されて開き戸タイプの自動ドアにおける安全性の向上が図られる。
【００１１】
【発明の実施の形態】
以下、本発明の実施形態例の自動ドアを図面を参照して説明する。
図１及び図２において、符号１１は、本実施形態例の自動ドアである。この自動ドア１１は、建物の出入口における上部に、設置された駆動ユニット１２と、この駆動ユニット１２によって出入口に沿って側方へ開閉される開閉ドア１３とを有しており、これら開閉ドア１３の両側には、フィックス板１４が設けられ、これらフィックス板１４に沿って開閉ドア１３が移動するようになっている。
【００１２】
自動ドア１１の表裏には、その上部に、近づいてきた人や物体を検知する起動センサ１５が設けられており、この起動センサ１５によって人や物体が検知された際に、駆動ユニット１２内に設けられた後述するコントローラ２２によって駆動モータ２３が駆動され、開閉ドア１３が、フィックス板１４に沿って移動し、出入口が開口するようになっている。
【００１３】
また、開閉ドア１３の開放時におけるこれら開閉ドア１３の移動領域Ａには、その上部に、例えば、光センサなどの検知センサ２１がそれぞれ設けられており、これら検知センサ２１によって、開閉ドア１３の移動領域Ａ内における物体の有無が検知されるようになっている。
【００１４】
次に、上記構造の自動ドア１１の機能について、図３に示す機能ブロック図によって説明する。
図において、符号２２は、駆動ユニット１２内に設置されたコントローラである。このコントローラ２２には、自動ドア１１の表裏における上部にそれぞれ設けられた起動センサ１５が接続されており、これら起動センサ１５から検知信号が送信されるようになっている。
【００１５】
また、このコントローラ２２には、開閉ドア１３の移動領域Ａ内の物体の有無を検知する検知センサ２１が接続されており、これら検知センサ２１から検知信号が送信されるようになっている。
コントローラ２２には、駆動モータ（駆動部）２３へ駆動電力を供給するパワーユニット（駆動部）２４が接続されており、コントローラ２２からの制御信号によってパワーユニット２４から駆動モータ２３へ供給される駆動電力が制御されるようになっている。
【００１６】
上記のような自動ドア１１によれば、通行人などの物体が近づき、起動センサ１５にて検知可能な起動領域Ｂ（図２参照）内に入ると、起動センサ１５がその物体を検知し、その検知信号をコントローラ２２へ送信する。
【００１７】
コントローラ２２は、起動センサ１５から検知信号が送信されると、開閉ドア１３を開放させるべく、パワーユニット２４へ制御信号を出力し、パワーユニット２４から駆動モータ２３へ駆動電力を供給させる。
これにより、駆動モータ２３が駆動し、予め設定された所定速度にて開閉ドア１３が移動し、出入口が開口され、この出入口における通行が可能となる。
【００１８】
ここで、上記のように、開閉ドア１３が移動して出入口が開口される際に、開閉ドア１３の移動領域Ａに人や物などの物体が進入すると、その物体が検知センサ２１によって検知され、その検知信号がコントローラ２２へ送信される。
このように、検知センサ２１から検知信号が送信されると、コントローラ２２は、移動領域Ａ内に人や物などの物体が進入したと判断し、徐行モードにてパワーユニット２４へ制御信号を送信する。
そして、徐行モードにてコントローラ２２からパワーユニット２４へ制御信号が出力されると、パワーユニット２４から駆動モータ２３への駆動電力が低下され、開閉ドア１３の移動速度が前述した所定速度よりも低速にて移動される。
【００１９】
つまり、開閉ドア１３が低速で移動されるので、この開閉ドア１３の移動領域Ａ内に進入した人は、開閉ドア１３にぶつかることなく移動領域Ａから離れることができ、また、移動領域Ａ内へ物を近づけた人は、その物を開閉ドア１３にぶつけることなく移動領域Ａから離すことができる。
また、このとき、開閉ドア１３は、停止することなく低速移動つまり徐行するので、出入口も確実に開口され、開閉ドア１３が開くことを見込んで出入口を通過しようとしている通行人が開閉ドア１３に衝突するようなこともない。
【００２０】
このように、上記の自動ドア１１によれば、前述したように、開閉ドア１３が移動して出入口が開口される際に、開閉ドア１３の移動領域Ａに人や物などの物体が進入すると、その物体が検知センサ２１によって検知され、コントローラ２２によって開閉ドア１３の移動速度が低速にされるので、開閉ドア１３の移動領域Ａ内に進入した人は、開閉ドア１３にぶつかることなく移動領域Ａから離れることができ、また、移動領域Ａ内へ物を近づけた人は、その物を開閉ドア１３にぶつけることなく移動領域Ａから離すことができる。
【００２１】
また、このとき、開閉ドア１３は、停止することなく低速にて移動するので、出入口も確実に開口され、開閉ドア１３が開くことを見込んで出入口を通過しようとしている通行人が開閉ドア１３に衝突するような不具合も確実に防止することができる。
【００２２】
つまり、開閉ドア１３の移動領域Ａを囲うように防護柵を設置する場合と比較して、良好な外観を確保しつつ低コストにて開閉ドア１３の開閉時における安全性を確保して円滑な通行を可能とすることができる。
しかも、検知センサ２１として、反射光に基づいて物体の有無を検知する検知能力に優れた光センサを用いたので、開閉ドア１３の移動領域Ａ内への物体の進入を確実に検知することができ、さらなる安全性の向上を図ることができる。
【００２３】
なお、上記の例では、一対の開閉ドア１３を移動させて出入口を開閉せさる両開きタイプを例にとって説明したが、一枚の開閉ドア１３を移動させて出入口を開閉させる片開きタイプにも適応可能であり、さらには、上記のような開閉ドア１３をフィックス板１４に沿ってスライドさせる引き戸タイプに代えて、開閉ドア１３を出入口の側部における上下方向の軸を中心として揺動させる開き戸タイプにも適応させることができるのは勿論である。
【００２４】
【発明の効果】
以上、説明したように、本発明の自動ドアによれば、下記の効果を得ることができる。
請求項１記載の自動ドアによれば、開閉ドアが移動して出入口が開口される際に、開閉ドアの移動領域に人や物などの物体が進入すると、その物体が検知センサによって検知され、コントローラによって開閉ドアの移動速度が低速にされるので、開閉ドアの移動領域内に進入した人は、開閉ドアにぶつかることなく移動領域から離れることができ、また、移動領域内へ物を近づけた人は、その物を開閉ドアにぶつけることなく移動領域から離すことができる。
また、このとき、開閉ドアは、停止することなく低速にて移動するので、出入口も確実に開口され、開閉ドアが開くことを見込んで出入口を通過しようとしている通行人が開閉ドアに衝突するような不具合も確実に防止することができる。
つまり、開閉ドアの移動領域を囲うように防護柵を設置する場合と比較して、良好な外観を確保しつつ低コストにて開閉ドアの開閉時における安全性を確保して円滑な通行を可能とすることができる。
【００２５】
請求項２記載の自動ドアによれば、検知センサとして、反射光に基づいて物体の有無を検知する検知能力に優れた光センサを用いたので、開閉ドアの移動領域内への物体の進入を確実に検知することができ、さらなる安全性の向上を図ることができる。
【００２６】
請求項３記載の自動ドアによれば、開閉ドアの移動領域への物体の進入により開閉ドアが低速にてスライドされるので、スライドして移動する開閉ドアに人や物がぶつかることによる不具合が解消された安全性の高い引き戸タイプの自動ドアとすることができる。
【００２７】
請求項４記載の自動ドアによれば、開閉ドアの移動領域への物体の進入により開閉ドアが低速にて揺動されるので、揺動して移動する開閉ドアに人や物がぶつかることによる不具合が解消された安全性の高い開き戸タイプの自動ドアとすることができる。
【図面の簡単な説明】
【図１】 本発明の実施形態例の自動ドアの概略構成を説明する自動ドアの概略正面図である。
【図２】 本発明の実施形態例の自動ドアの概略構成を説明する自動ドアの概略平面図である。
【図３】 本発明の実施形態例の自動ドアの機能を説明する機能ブロック図である。
【図４】 一般的な自動ドアの構成及び構造を説明する自動ドアの斜視図である。
【符号の説明】
１１ 自動ドア
１３ 開閉ドア
１５ 起動センサ
２１ 検知センサ
２２ コントローラ
２３ 駆動モータ（駆動部）
２４ パワーユニット（駆動部）
Ａ 移動領域[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic door that is installed at an entrance of a building and detects a passerby or the like to automatically open and close the door.
[0002]
[Prior art]
In general, an automatic door is provided at the entrance of a building, and the door is automatically opened and closed by detecting an approaching person or the like.
Here, the structure of an automatic door that has been frequently installed in recent years will be described with reference to the example shown in FIG.
[0003]
In the figure, reference numeral 1 denotes a double door type automatic door. The automatic door 1 has a drive unit 2 installed at the upper part of the entrance / exit of the building, and an open / close door 3 that is opened and closed by the drive unit 2. 4 is provided, and the open / close door 3 moves along these fixed plates 4.
In addition, on the front and back of the automatic door 1, an activation sensor 5 that detects an approaching person or object is provided on the upper part thereof. When the activation sensor 5 detects a person or an object, the drive unit 2 is detected. A drive motor (not shown) is driven by a controller provided inside, and the open / close door 3 moves along the fixed plate 4 so that the doorway opens.
[0004]
[Problems to be solved by the invention]
By the way, when the opening / closing door 3 moves along the fixed plate 4 when the passerby or the object approaches and the entrance / exit is opened, the opening / closing that moves when there is a person in the moving area of the opening / closing door 3 or there is an object. There is a risk of the door 3 hitting a person or an object. For this reason, a protective fence surrounding the moving area when the opening / closing door 3 is opened is installed to prevent interference with the opening / closing door 3, but installing such a protective fence only increases the cost significantly. There was also a problem that it looked bad.
[0005]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an automatic door that ensures safety when opening and closing the open / close door at low cost while ensuring a good appearance.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, an automatic door according to claim 1, wherein an opening / closing door that opens and closes an entrance / exit, a drive unit that moves the opening / closing door at a predetermined speed to open / close the entrance / exit, and detects an adjacent object. An automatic door having a start sensor that moves and a controller that moves the open / close door by controlling the drive unit based on a detection signal from the start sensor, wherein the open / close door moves to open the doorway When the controller determines that an object has entered the movement area based on a detection signal from the detection sensor. The drive unit is controlled to move the open / close door at a speed lower than the predetermined speed.
[0007]
As described above, when an object such as a person or an object enters the moving area of the opening / closing door when the opening / closing door moves and the doorway is opened, the object is detected by the detection sensor, and the moving speed of the opening / closing door is detected by the controller. The person who entered the moving area of the open / close door can leave the moving area without hitting the open / close door, and the person who brings the object close to the moving area can open / close the object. It is possible to move away from the moving area without hitting the door.
At this time, since the opening / closing door moves at a low speed without stopping, the entrance / exit is also opened reliably so that a passerby who is about to pass through the entrance / exit collides with the opening / closing door. Can be reliably prevented.
[0008]
The automatic door according to claim 2 is the automatic door according to claim 1, wherein the detection sensor is an optical sensor that detects the presence or absence of an object by detecting reflected light of light irradiated to the moving region. It is said.
In other words, as the detection sensor, an optical sensor with excellent detection capability for detecting the presence or absence of an object based on reflected light is used, so that the entry of the object into the moving area of the open / close door is reliably detected, and further safety is achieved. Improvement is achieved.
[0009]
The automatic door according to claim 3 is the automatic door according to claim 1 or 2, wherein the opening / closing door is slidable laterally along the doorway, and the opening / closing door is slid to slide the opening / closing door. The doorway is opened and closed. In this way, the door is slid at a low speed due to the entry of the object into the moving area of the opening / closing door, so the trouble caused by a person or an object hitting the opening / closing door that slides and moving is eliminated, and the sliding door type automatic Safety at the door is improved.
[0010]
According to a fourth aspect of the present invention, there is provided the automatic door according to the first or second aspect, wherein the open / close door is swingable about a vertical axis at a side portion of the doorway, and the open / close door is The doorway is opened and closed by swinging.
In other words, the opening / closing door is swung at a low speed by the entry of an object into the moving area of the opening / closing door. Safety at the door is improved.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an automatic door according to an embodiment of the present invention will be described with reference to the drawings.
In FIG.1 and FIG.2, the code | symbol 11 is the automatic door of this embodiment. The automatic door 11 has a drive unit 12 installed at the upper part of the entrance / exit of the building, and an open / close door 13 that is opened / closed sideways along the entrance / exit by the drive unit 12. Fixing plates 14 are provided on both sides of the door, and the open / close door 13 moves along the fixing plates 14.
[0012]
On the front and back of the automatic door 11, an activation sensor 15 for detecting a person or an object approaching is provided on the upper portion thereof. When the activation sensor 15 detects a person or an object, the activation sensor 15 is provided in the drive unit 12. A drive motor 23 is driven by a controller 22 which will be described later, and the opening / closing door 13 moves along the fixed plate 14 so that the doorway opens.
[0013]
In addition, a detection sensor 21 such as an optical sensor is provided at the upper part of the movement area A of the open / close door 13 when the open / close door 13 is opened. The presence or absence of an object in the moving area A is detected.
[0014]
Next, the function of the automatic door 11 having the above structure will be described with reference to a functional block diagram shown in FIG.
In the figure, reference numeral 22 denotes a controller installed in the drive unit 12. The controller 22 is connected to activation sensors 15 provided on the upper and lower sides of the automatic door 11, and a detection signal is transmitted from these activation sensors 15.
[0015]
The controller 22 is connected to a detection sensor 21 that detects the presence or absence of an object in the moving area A of the open / close door 13, and a detection signal is transmitted from the detection sensor 21.
A power unit (drive unit) 24 that supplies drive power to a drive motor (drive unit) 23 is connected to the controller 22, and drive power supplied from the power unit 24 to the drive motor 23 by a control signal from the controller 22 is connected. To be controlled.
[0016]
According to the automatic door 11 as described above, when an object such as a passerby approaches and enters an activation area B (see FIG. 2) that can be detected by the activation sensor 15, the activation sensor 15 detects the object, The detection signal is transmitted to the controller 22.
[0017]
When the detection signal is transmitted from the activation sensor 15, the controller 22 outputs a control signal to the power unit 24 to open the open / close door 13, and supplies drive power from the power unit 24 to the drive motor 23.
Thereby, the drive motor 23 is driven, the opening / closing door 13 is moved at a predetermined speed set in advance, and the entrance / exit is opened, and the passage through the entrance / exit becomes possible.
[0018]
Here, when an object such as a person or an object enters the moving area A of the opening / closing door 13 when the opening / closing door 13 is moved and the doorway is opened as described above, the object is detected by the detection sensor 21. The detection signal is transmitted to the controller 22.
Thus, when the detection signal is transmitted from the detection sensor 21, the controller 22 determines that an object such as a person or an object has entered the movement area A, and transmits the control signal to the power unit 24 in the slow mode. .
When a control signal is output from the controller 22 to the power unit 24 in the slow mode, the drive power from the power unit 24 to the drive motor 23 is reduced, and the moving speed of the open / close door 13 is lower than the predetermined speed described above. Moved.
[0019]
That is, since the open / close door 13 is moved at a low speed, a person who has entered the moving area A of the open / close door 13 can leave the moving area A without hitting the open / close door 13, A person who has approached the object can move the object away from the moving area A without hitting the door 13.
At this time, since the opening / closing door 13 moves at a low speed, that is, slowly, without stopping, the entrance / exit is also opened reliably, and a passerby who is going to pass through the entrance / exit is expected to open / close the door 13. There is no such thing as a collision.
[0020]
Thus, according to the automatic door 11 described above, when an object such as a person or an object enters the moving area A of the opening / closing door 13 when the opening / closing door 13 moves and the doorway is opened as described above. Since the object is detected by the detection sensor 21 and the moving speed of the open / close door 13 is lowered by the controller 22, a person who has entered the moving area A of the open / close door 13 does not hit the open / close door 13. A person who can move away from A and bring an object close to the moving area A can move away from the moving area A without hitting the door 13.
[0021]
At this time, since the opening / closing door 13 moves at a low speed without stopping, the entrance / exit is also opened reliably, and a passerby who is about to pass through the entrance / exit is expected to open / close the door 13. It is possible to reliably prevent such a trouble as to collide.
[0022]
That is, as compared with the case where the protective fence is installed so as to surround the moving area A of the opening / closing door 13, the safety at the time of opening / closing the opening / closing door 13 is ensured at a low cost while ensuring a good appearance and smooth. Allows traffic.
In addition, since the detection sensor 21 is an optical sensor having excellent detection capability for detecting the presence or absence of an object based on reflected light, it is possible to reliably detect the entry of the object into the moving area A of the open / close door 13. It is possible to further improve safety.
[0023]
In the above example, the double opening type in which the pair of opening / closing doors 13 is moved to open / close the entrance / exit has been described as an example, but the present invention is also applicable to the single opening type in which the opening / closing door is opened / closed by moving the single opening / closing door 13. Further, instead of the sliding door type in which the opening / closing door 13 is slid along the fixed plate 14 as described above, the opening / closing door type swings the opening / closing door 13 about the vertical axis at the side of the entrance / exit. Of course, it can also be adapted to.
[0024]
【The invention's effect】
As described above, according to the automatic door of the present invention, the following effects can be obtained.
According to the automatic door of claim 1, when an object such as a person or an object enters the moving area of the opening / closing door when the opening / closing door is moved and the doorway is opened, the object is detected by the detection sensor, Because the controller moves the opening / closing door at a low speed, a person who enters the moving area of the opening / closing door can leave the moving area without hitting the opening / closing door, and also brings an object closer to the moving area. A person can move the object away from the moving area without hitting the door.
At this time, since the opening / closing door moves at a low speed without stopping, the entrance / exit is also opened reliably so that a passerby who is about to pass through the entrance / exit collides with the opening / closing door. It is possible to surely prevent a malfunction.
In other words, compared to the case where a protective fence is installed so as to enclose the moving area of the open / close door, it is possible to ensure smooth appearance and ensure safety when opening and closing the open / close door at a low cost while ensuring a good appearance. It can be.
[0025]
According to the automatic door of the second aspect, since an optical sensor having an excellent detection capability for detecting the presence or absence of an object based on reflected light is used as the detection sensor, the object enters the moving area of the open / close door. It can be detected reliably, and the safety can be further improved.
[0026]
According to the automatic door of the third aspect, since the opening / closing door is slid at a low speed by the entry of the object into the moving area of the opening / closing door, there is a problem caused by a person or an object colliding with the opening / closing door that slides and moves. It is possible to provide a sliding door type automatic door with high safety that has been eliminated.
[0027]
According to the automatic door of the fourth aspect, since the opening / closing door is swung at a low speed by the entry of an object into the moving area of the opening / closing door, a person or an object collides with the opening / closing door that moves while swinging. It can be made into the safe door type automatic door which the malfunction was eliminated.
[Brief description of the drawings]
FIG. 1 is a schematic front view of an automatic door for explaining a schematic configuration of an automatic door according to an embodiment of the present invention.
FIG. 2 is a schematic plan view of the automatic door for explaining a schematic configuration of the automatic door according to the embodiment of the present invention.
FIG. 3 is a functional block diagram illustrating functions of an automatic door according to an embodiment of the present invention.
FIG. 4 is a perspective view of an automatic door for explaining the configuration and structure of a general automatic door.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Automatic door 13 Opening / closing door 15 Starting sensor 21 Detection sensor 22 Controller 23 Drive motor (drive part)
24 Power unit (drive unit)
A moving area

Claims (4)

出入口を開閉する開閉ドアと、該開閉ドアを所定速度にて移動させて前記出入口を開閉させる駆動部と、近接する物体を検知する起動センサと、該起動センサからの検知信号に基づいて前記駆動部を制御して前記開閉ドアを移動させるコントローラとを有する自動ドアであって、
前記出入口を開口させるべく前記開閉ドアが移動する際の前記開閉ドアの移動領域への物体の進入を検知する検知センサを有し、
前記コントローラは、前記検知センサからの検知信号に基づいて前記移動領域内に物体が進入したと判断した場合に、前記開閉ドアを前記所定速度よりも低速にて移動させるべく前記駆動部への駆動電力を低下させて制御することを特徴とする自動ドア。An open / close door that opens and closes the entrance / exit, a drive unit that moves the open / close door at a predetermined speed to open / close the entrance / exit, an activation sensor that detects an adjacent object, and the drive based on a detection signal from the activation sensor An automatic door having a controller for moving the opening and closing door by controlling a part,
A detection sensor that detects an entry of an object into a moving area of the open / close door when the open / close door moves to open the doorway;
When the controller determines that an object has entered the movement area based on a detection signal from the detection sensor, the controller drives the drive unit to move the open / close door at a speed lower than the predetermined speed. An automatic door that is controlled by reducing power . 前記検知センサは、前記移動領域へ照射した光の反射光を検出して物体の有無を検知する光センサであることを特徴とする請求項１記載の自動ドア。  The automatic door according to claim 1, wherein the detection sensor is an optical sensor that detects the presence or absence of an object by detecting reflected light of light applied to the moving region. 前記開閉ドアは、前記出入口に沿って側方へスライド可能とされ、前記開閉ドアがスライドされることにより前記出入口が開閉されることを特徴とする請求項１または請求項２記載の自動ドア。  3. The automatic door according to claim 1, wherein the door is slidable laterally along the doorway, and the doorway is opened and closed by sliding the door. 前記開閉ドアは、前記出入口の側部における上下方向の軸を中心として揺動可能とされ、前記開閉ドアが揺動されることにより前記出入口が開閉されることを特徴とする請求項１または請求項２記載の自動ドア。  2. The door according to claim 1, wherein the door is swingable about a vertical axis at a side portion of the doorway, and the doorway is opened and closed by swinging the door. Item 3. The automatic door according to item 2.
JP2001398735A 2001-12-28 2001-12-28 Automatic door Expired - Lifetime JP3847621B2 (en)

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JP4283237B2 (en) * 2005-02-15 2009-06-24 日本自動ドア株式会社 Automatic door device
JP2009256882A (en) * 2008-04-11 2009-11-05 Fujikura Ltd Automatic door device
JP5764284B2 (en) * 2009-08-03 2015-08-19 日本自動ドア株式会社 Automatic door device
JP5702593B2 (en) * 2010-12-17 2015-04-15 千蔵工業株式会社 Automatic door
JP6855256B2 (en) * 2017-01-23 2021-04-07 ナブテスコ株式会社 How to control automatic door devices, automatic door sensors and automatic door devices
JP2020084436A (en) * 2018-11-16 2020-06-04 ナブテスコ株式会社 Automatic door system, automatic door sensor, automatic door device, and automatic door system control method
JP7321044B2 (en) * 2019-09-25 2023-08-04 フルテック株式会社 Automatic door
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