JP5376842B2

JP5376842B2 - Foreign object detection device for elevator

Info

Publication number: JP5376842B2
Application number: JP2008160594A
Authority: JP
Inventors: 洋一佐久間
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 2008-06-19
Filing date: 2008-06-19
Publication date: 2013-12-25
Anticipated expiration: 2028-06-19
Also published as: JP2010001116A

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foreign matter detection device of an elevator capable of surely detecting foreign matter caught between a first door and a second door. <P>SOLUTION: A string detection shoe driving device 13 as a horizontal direction driving device is attached to a back face part of a door 3 of a second car. A string detection shoe 14 as a movable member is attached to the string detection shoe driving device 13. The string detection shoe 14 can be displaced between a retraction position where the shoe positions at a back part of the door 3 of the second car and an advance position where the shoe is abutted to a contact member 12. The string detection shoe 14 is displaced to the retraction position when all the doors 2, 3 of the first car and the second car are opened by the string detection shoe driving device 13. The string detection shoe 14 is displaced to the advance position when all the doors 2, 3 of the first car and the second car are closed by the string detection shoe driving device 13. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

この発明は、第１及び第２のドアの間に異物が挟み込まれていることを検出するエレベータの異物検出装置に関するものである。 The present invention relates to a foreign object detection device for an elevator that detects that a foreign object is sandwiched between first and second doors.

従来のエレベータの異物検出装置では、扉の前縁に接触棒が設けられており、扉の前進時に異物が接触して力を受けたときに接触棒の後退を検出する検出器が扉に設けられている（例えば、特許文献１参照）。 In a conventional elevator foreign object detection device, a contact bar is provided at the front edge of the door, and a detector is provided on the door that detects the backward movement of the contact bar when the foreign object comes into contact with the force when the door moves forward. (For example, refer to Patent Document 1).

特開２００５−３４３６７５号公報JP 2005-343675 A

上記のように構成された従来のエレベータの異物検出装置では、接触棒が異物に接触し力を受けて後退すれば扉の間に異物が挟み込まれているのを検出することができるが、接触棒が異物に接触しても後退しないと扉の間に異物が挟み込まれているのを検出することができなかった。例えば細い紐等の異物は、接触棒に沿って容易に変形されるため、接触棒が後退せず検出されないことがあった。 In the conventional elevator foreign matter detection apparatus configured as described above, if the contact rod contacts the foreign matter and receives a force and moves backward, it can detect that the foreign matter is sandwiched between the doors. If the rod does not move backward even if it comes into contact with the foreign object, it cannot be detected that the foreign object is caught between the doors. For example, a foreign object such as a thin string is easily deformed along the contact rod, so that the contact rod does not move backward and may not be detected.

この発明は、上記のような課題を解決するためになされたものであり、第１及び第２のドアの間に異物が挟み込まれているのをより確実に検出することができるエレベータの異物検出装置を得ることを目的とする。 The present invention has been made to solve the above-described problems, and can detect an extraneous object in an elevator that can more reliably detect that an extraneous object is sandwiched between the first and second doors. The object is to obtain a device.

この発明に係るエレベータの異物検出装置は、互いに反対方向へ移動して出入口を開閉する第１及び第２のドアのうち第１のドアの背部に設けられている当接部材、第２のドアの背部に位置する後退位置と当接部材に当接する前進位置との間で変位可能な可動部材、第２のドアに設けられ、全戸開時に可動部材を後退位置に変位させ、全戸閉時に可動部材を前進位置に変位させる水平方向駆動装置、及び全戸閉時に可動部材が前進位置に変位されたかどうかを検出することにより、当接部材と可動部材との間の異物の有無を検出する水平方向検出部を備えている。 The elevator foreign object detection device according to the present invention includes a contact member provided on a back portion of the first door of the first and second doors that move in opposite directions to open and close the entrance, and the second door A movable member that is displaceable between a retracted position located on the back of the door and an advanced position that contacts the contact member is provided on the second door. A horizontal driving device for displacing the member to the forward position, and a horizontal direction for detecting the presence or absence of foreign matter between the contact member and the movable member by detecting whether the movable member is displaced to the forward position when all the doors are closed. A detection unit is provided.

この発明のエレベータの異物検出装置は、第１及び第２のドアの全戸閉時に可動部材が前進位置に変位されたかどうかを検出することにより、当接部材と可動部材との間の異物の有無を検出することができるので、第１及び第２のドアの間に異物が挟み込まれているのをより確実に検出することができる。 In the elevator foreign matter detection device according to the present invention, the presence or absence of foreign matter between the contact member and the movable member is detected by detecting whether or not the movable member is displaced to the forward movement position when the first and second doors are all closed. Therefore, it is possible to more reliably detect that a foreign object is sandwiched between the first and second doors.

以下、この発明を実施するための最良の形態について、図面を参照して説明する。
実施の形態１．
図１はこの発明の実施の形態１によるエレベータのかご及び乗場の一部を示す側面図、図２は図１のかごの戸の戸開状態を示す正面図、図３は図２のかごの戸の戸閉状態を示す正面図、図４は図２のかごの戸の戸開状態を示す平面図、図５は図４のかごの戸の戸閉状態を示す平面図、図６は図５のＶＩ部を拡大して示す平面図である。 The best mode for carrying out the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
1 is a side view showing a part of an elevator car and a landing according to Embodiment 1 of the present invention, FIG. 2 is a front view showing a door open state of the car door of FIG. 1, and FIG. 3 is a view of the car of FIG. FIG. 4 is a plan view showing the door open state of the car door of FIG. 2, FIG. 5 is a plan view showing the door closed state of the car door of FIG. 4, and FIG. 5 is an enlarged plan view showing a VI part of FIG.

図において、かご１には、互いに反対方向へ移動して出入口を開閉する第１及び第２のドアとしての第１及び第２のかごの戸２，３が設けられている。また、かご１の下方には、かご床４が設けられている。第１及び第２のかごの戸２，３の下方には、かご敷居５が設けられている。かご１の停止階には、乗場６が設けられている。乗場６には、第１及び第２の乗場の戸７，８が設けられている。第１及び第２の乗場の戸７，８の下方には、乗場敷居９が設けられている。 In the figure, a car 1 is provided with first and second car doors 2 and 3 as first and second doors that move in opposite directions to open and close the doorway. A car floor 4 is provided below the car 1. A car sill 5 is provided below the doors 2 and 3 of the first and second cars. On the stop floor of the car 1, a landing 6 is provided. The landing 6 is provided with doors 7 and 8 for the first and second landings. A landing threshold 9 is provided below the doors 7 and 8 of the first and second landings.

第１のかごの戸２の前縁の近傍には、ドアシュー１０が設けられている。ドアシュー１０は、第１のかごの戸２の上下方向のほぼ全長に渡って設けられている。また、第１のかごの戸２には、ドアシュー１０の後退を検知するドアシュー用検出器１１が設けられている。 A door shoe 10 is provided in the vicinity of the front edge of the door 2 of the first car. The door shoe 10 is provided over almost the entire length of the first car door 2 in the vertical direction. The door 2 of the first car is provided with a door shoe detector 11 for detecting the backward movement of the door shoe 10.

第１のかごの戸２の背面部には、ドアシュー１０の端部１０ａに対向して板状の当接部材１２が設けられている。当接部材１２は、第１のかごの戸２の上下方向の全長に渡って設けられている。 A plate-like contact member 12 is provided on the back surface of the door 2 of the first car so as to face the end 10 a of the door shoe 10. The abutting member 12 is provided over the entire vertical length of the door 2 of the first car.

第２のかごの戸３の背面部には、水平方向駆動装置としての紐検出シュー駆動装置１３が取り付けられている。紐検出シュー駆動装置１３には、モータ（図示せず）が設けられている。また、紐検出シュー駆動装置１３には、可動部材としての紐検出シュー１４が取り付けられている。紐検出シュー１４は、第２のかごの戸３の背部に位置する後退位置と当接部材１２に当接する前進位置との間で変位可能となっている。また、紐検出シュー１４は、第２のかごの戸３の上下方向のほぼ全長に渡って設けられている。紐検出シュー駆動装置１３は、第１及び第２のかごの戸２，３の全戸開時に紐検出シュー１４を後退位置へ変位させる。また、紐検出シュー駆動装置１３は、第１及び第２のかごの戸２，３の全戸閉時に紐検出シュー１４を前進位置まで変位させる。 A string detecting shoe driving device 13 as a horizontal driving device is attached to the back surface of the door 3 of the second car. The string detection shoe drive device 13 is provided with a motor (not shown). Further, a string detecting shoe 14 as a movable member is attached to the string detecting shoe driving device 13. The string detection shoe 14 can be displaced between a retracted position located at the back of the door 3 of the second car and an advanced position contacting the contact member 12. The string detecting shoe 14 is provided over almost the entire length of the second car door 3 in the vertical direction. The string detecting shoe driving device 13 displaces the string detecting shoe 14 to the retracted position when all the doors 2 and 3 of the first and second cars are opened. The string detection shoe driving device 13 displaces the string detection shoe 14 to the forward position when all the first and second car doors 2 and 3 are closed.

紐検出シュー駆動装置１３には、ケーブルを介して水平方向検出部１５が接続されている。水平方向検出部１５は、全戸閉時に紐検出シュー１４が前進位置に変位されたかどうかを検出することにより、当接部材１２と紐検出シュー１４との間の異物の有無を検出することができる。これにより、図６に示すように、第１及び第２のかごの戸２，３の間に紐等の異物が張力の無い状態で挟み込まれ、ドアシュー１０及び紐検出シュー１４の動作に合わせて変形していても異物を検出することができる。 A horizontal direction detection unit 15 is connected to the string detection shoe driving device 13 via a cable. The horizontal direction detection unit 15 can detect the presence or absence of foreign matter between the contact member 12 and the string detection shoe 14 by detecting whether the string detection shoe 14 is displaced to the forward position when all the doors are closed. . As a result, as shown in FIG. 6, a foreign object such as a string is sandwiched between the doors 2 and 3 of the first and second cars without tension, and in accordance with the operation of the door shoe 10 and the string detection shoe 14. A foreign object can be detected even if it is deformed.

ドアシュー用検出器１１及び水平方向検出部１５には、ケーブルを介してドア制御装置１６が接続されている。ドア制御装置１６には、ケーブルを介してドアモータ（図示せず）が接続されている。ドア制御装置１６は、ドアシュー用検出器１１及び水平方向検出部１５からの検出信号に応じてドアモータを制御する。ドアモータは、ドア制御装置１６からの指令信号によって、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８を開閉する。 A door control device 16 is connected to the door shoe detector 11 and the horizontal direction detector 15 via a cable. A door motor (not shown) is connected to the door control device 16 via a cable. The door control device 16 controls the door motor in accordance with detection signals from the door shoe detector 11 and the horizontal direction detector 15. The door motor opens and closes the doors 2 and 3 of the first and second cars and the doors 7 and 8 of the first and second landings according to a command signal from the door control device 16.

次に、動作について説明する。図７は図２のドア制御装置１６の動作を説明するためのフローチャートである。第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の戸閉動作を開始させると（ステップＳ１）、ドアシュー用検出器１１からの信号により、ドアシュー１０が異物により後退されたかどうかを監視する（ステップＳ２）。そして、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の戸閉動作中にドアシュー１０が後退されると、ドアシュー用検出器１１からの信号に応じて第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８を反転戸開させ（ステップＳ３）、戸開状態で所定時間待機する（ステップＳ４）。 Next, the operation will be described. FIG. 7 is a flowchart for explaining the operation of the door control device 16 of FIG. When the door closing operation of the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 is started (step S1), the door shoe 10 is detected by a signal from the door shoe detector 11. Is monitored by the foreign object (step S2). When the door shoe 10 is retracted during the door closing operation of the first and second car doors 2 and 3 and the first and second landing doors 7 and 8, the signal from the door shoe detector 11 is displayed. In response, the doors 2 and 3 of the first and second cars and the doors 7 and 8 of the first and second landings are inverted (step S3), and a predetermined time is waited in the door-open state (step S4).

また、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の全戸閉後には、水平方向検出部１５からの信号を確認し、紐検出シュー１４が前進位置まで完全に移動したかどうかを確認する（ステップＳ５）。紐検出シュー１４が前進位置まで移動し当接部材１２に当接していれば、当接部材１２と紐検出シュー１４との間に異物が存在しないと判断し、かご１の通常走行を許可する（ステップＳ７）。そして、かご１が目的階に到着すると、戸開指令をドアモータに出力し（ステップＳ８）、戸開状態で所定時間待機する（ステップＳ４）。 In addition, after all the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 are closed, the signal from the horizontal direction detection unit 15 is confirmed, and the string detection shoe 14 is It is confirmed whether or not it has completely moved to the forward position (step S5). If the string detection shoe 14 moves to the forward movement position and is in contact with the contact member 12, it is determined that there is no foreign object between the contact member 12 and the string detection shoe 14, and normal traveling of the car 1 is permitted. (Step S7). When the car 1 arrives at the destination floor, it outputs a door opening command to the door motor (step S8) and waits for a predetermined time in the door opening state (step S4).

全戸閉時に紐検出シュー１４が前進位置まで移動していない場合、当接部材１２と紐検出シュー１４との間に異物が存在すると判断し、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８を反転戸開させるとともに、かご１内に注意のアナウンスを流し（ステップＳ６）、戸開状態で所定時間待機する（ステップＳ４）。 If the string detection shoe 14 does not move to the forward position when all the doors are closed, it is determined that there is a foreign object between the contact member 12 and the string detection shoe 14, and the first and second car doors 2, 3 and The doors 7 and 8 of the first and second landings are reversed and opened, and a notice of caution is passed through the car 1 (step S6), and a standby state is waited for a predetermined time (step S4).

このようなエレベータの異物検出装置では、紐検出シュー１４が当接部材１２に当接する前進位置に変位されたかどうかを検出することにより、当接部材１２と紐検出シュー１４との間の異物の有無を検出することができるので、第１及び第２のかごの戸２，３の間に異物が挟み込まれているのをより確実に検出することができる。また、第１及び第２のかごの戸２，３の間に異物が挟み込まれている状態でかご１が走行するのを防止することができる。 In such a foreign object detection device for an elevator, by detecting whether or not the string detection shoe 14 is displaced to a forward position where the string detection shoe 14 contacts the contact member 12, the foreign object between the contact member 12 and the string detection shoe 14 is detected. Since presence / absence can be detected, it is possible to more reliably detect that a foreign object is sandwiched between the doors 2 and 3 of the first and second cars. In addition, the car 1 can be prevented from traveling in a state in which a foreign object is sandwiched between the doors 2 and 3 of the first and second cars.

実施の形態２．
次に、図８はこの発明の実施の形態２による第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の戸開状態を示す平面図、図９は図８の第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の戸閉状態を示す平面図、図１０は図９のＸ部を拡大して示す平面図、図１１は図８の第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の戸開状態を示す側面図、図１２は図１１の第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の戸閉状態を示す側面図、図１３は図１２の要部を拡大して示す側面図である。 Embodiment 2. FIG.
Next, FIG. 8 is a plan view showing the open state of the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 according to Embodiment 2 of the present invention. Is a plan view showing the door closed state of the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 in FIG. 8, and FIG. 10 is an enlarged view of the portion X in FIG. FIG. 11 is a side view showing the opened state of the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 in FIG. 8, and FIG. The side view which shows the door closed state of the doors 2 and 3 of the 1st and 2nd cages, and the doors 7 and 8 of the 1st and 2nd landing, FIG. 13 is a side view which expands the principal part of FIG. is there.

第２のかごの戸３の背面部には、水平方向駆動装置としての第１の紐検出シュー駆動装置１７が取り付けられている。第１の紐検出シュー駆動装置１７には、モータ（図示せず）が設けられている。また、第１の紐検出シュー駆動装置１７には、可動部材としての第１の紐検出シュー１８が取り付けられている。第１の紐検出シュー１８は、第２のかごの戸３の背部に位置する後退位置と当接部材１２に当接する前進位置との間で変位可能となっている。また、第１の紐検出シュー１８は、第２のかごの戸３の上下方向のほぼ全長に渡って設けられている。第１の紐検出シュー駆動装置１７は、第１及び第２のかごの戸２，３の全戸開時に第１の紐検出シュー１８を後退位置へ変位させる。また、第１の紐検出シュー駆動装置１７は、第１及び第２のかごの戸２，３の全戸閉時に第１の紐検出シュー１８を前進位置まで変位させる。 A first string detection shoe driving device 17 as a horizontal driving device is attached to the back surface of the second car door 3. The first string detection shoe drive device 17 is provided with a motor (not shown). The first string detection shoe driving device 17 is provided with a first string detection shoe 18 as a movable member. The first string detecting shoe 18 is displaceable between a retracted position located on the back of the second car door 3 and an advanced position contacting the contact member 12. The first string detection shoe 18 is provided over substantially the entire vertical length of the second car door 3. The first string detecting shoe driving device 17 displaces the first string detecting shoe 18 to the retracted position when the first and second car doors 2 and 3 are fully opened. The first string detection shoe drive device 17 displaces the first string detection shoe 18 to the forward position when the first and second car doors 2 and 3 are all closed.

第１の紐検出シュー駆動装置１７には、ケーブル（図示せず）を介して水平方向検出部としての第１の検出部１９が接続されている。第１の検出部１９は、全戸閉時に第１の紐検出シュー１８が前進位置に変位されたかどうかを検出することにより、当接部材１２と第１の紐検出シュー１８との間の異物の有無を検出することができる。 A first detection unit 19 as a horizontal direction detection unit is connected to the first string detection shoe drive device 17 via a cable (not shown). The first detection unit 19 detects whether or not the first string detection shoe 18 has been displaced to the forward position when all the doors are closed, thereby detecting foreign matter between the contact member 12 and the first string detection shoe 18. The presence or absence can be detected.

第１のドアとしての第１の乗場の戸７の背面部には、板状の当接部材２０が設けられている。当接部材２０は、当接部材１２に平行に設けられている。また、当接部材２０は、第１の乗場の戸７の上下方向の全長に渡って設けられている。 A plate-like contact member 20 is provided on the back surface of the first landing door 7 as the first door. The contact member 20 is provided in parallel to the contact member 12. The contact member 20 is provided over the entire length of the first landing door 7 in the vertical direction.

第２のドアとしての第２の乗場の戸８の背面部には、水平方向駆動装置としての第２の紐検出シュー駆動装置２１が取り付けられている。第２の紐検出シュー駆動装置２１には、モータが設けられている。また、第２の紐検出シュー駆動装置２１には、可動部材としての第２の紐検出シュー２２が取り付けられている。第２の紐検出シュー２２は、第２の乗場の戸８の背部に位置する後退位置と当接部材２０に当接する前進位置との間で変位可能となっている。また、第２の紐検出シュー２２は、第２の乗場の戸８の上下方向のほぼ全長に渡って設けられている。第２の紐検出シュー駆動装置２１は、第１及び第２の乗場の戸７，８の全戸開時に第２の紐検出シュー２２を後退位置へ変位させる。また、第２の紐検出シュー駆動装置２１は、第１及び第２の乗場の戸７，８の全戸閉時に第２の紐検出シュー２２を前進位置まで変位させる。 A second string detecting shoe driving device 21 as a horizontal driving device is attached to the back surface portion of the second landing door 8 as the second door. The second string detection shoe drive device 21 is provided with a motor. The second string detection shoe driving device 21 is provided with a second string detection shoe 22 as a movable member. The second string detecting shoe 22 can be displaced between a retracted position located on the back of the door 8 of the second landing and an advanced position contacting the contact member 20. The second string detection shoe 22 is provided over almost the entire length of the door 8 of the second landing in the vertical direction. The second string detection shoe drive device 21 displaces the second string detection shoe 22 to the retracted position when all the doors 7 and 8 of the first and second landings are opened. The second string detection shoe drive device 21 displaces the second string detection shoe 22 to the forward position when all the first and second landing doors 7 and 8 are closed.

第２の紐検出シュー駆動装置２１には、ケーブルを介して水平方向検出部としての第２の検出部２３が接続されている。第２の検出部２３は、全戸閉時に第２の紐検出シュー２２が前進位置に変位されたかどうかを検出することにより、当接部材２０と第２の紐検出シュー２２との間の異物の有無を検出することができる。 A second detection unit 23 as a horizontal direction detection unit is connected to the second string detection shoe drive device 21 via a cable. The second detection unit 23 detects whether or not the second string detection shoe 22 is displaced to the forward position when all the doors are closed, so that the foreign matter between the contact member 20 and the second string detection shoe 22 is detected. The presence or absence can be detected.

第２の検出部２３には、ケーブルを介してドア制御装置１６が接続されている。ドア制御装置１６は、第２の検出部２３からの検出信号に応じてドアモータを制御する。 The door control device 16 is connected to the second detection unit 23 via a cable. The door control device 16 controls the door motor according to the detection signal from the second detection unit 23.

第１及び第２のかごの戸２，３の戸閉側の出入口の上部には、上側垂直方向駆動装置としての第３の紐検出シュー駆動装置２４が設けられている。第３の紐検出シュー駆動装置２４には、上側移動部材としての第３の紐検出シュー２６が取り付けられている。第３の紐検出シュー２６は、全戸閉時に第１の紐検出シュー１８と第２の紐検出シュー２２との間を所定の範囲に渡って上部からせり出す構造となっている。 A third string detecting shoe driving device 24 as an upper vertical driving device is provided at the upper part of the door closing side doorway of the first and second car doors 2 and 3. A third string detecting shoe 26 as an upper moving member is attached to the third string detecting shoe driving device 24. The third string detection shoe 26 has a structure that protrudes from the upper part over a predetermined range between the first string detection shoe 18 and the second string detection shoe 22 when all the doors are closed.

第１及び第２のかごの戸２，３の戸閉側の出入口の下部には、下側垂直方向駆動装置としての第４の紐検出シュー駆動装置２５が設けられている。第４の紐検出シュー駆動装置２５には、下側移動部材としての第４の紐検出シュー２７が取り付けられている。第４の紐検出シュー２７は、全戸閉時に第１の紐検出シュー１８と第２の紐検出シュー２２との間を所定の範囲に渡って下部からせり出す構造となっている。 A fourth string detecting shoe driving device 25 as a lower vertical driving device is provided at the lower portion of the door closing side entrance of the first and second car doors 2 and 3. A fourth string detection shoe 27 as a lower moving member is attached to the fourth string detection shoe drive device 25. The fourth string detection shoe 27 has a structure that protrudes from the lower portion over a predetermined range between the first string detection shoe 18 and the second string detection shoe 22 when all the doors are closed.

即ち、図１０，１２に示すように、第１及び第２の紐検出シュー１８，２２によって当接部材１２，２０に押し当てられている紐等の細い異物には、上下方向からせり出す第３及び第４の紐検出シュー２６，２７に対して張力が作用する。 That is, as shown in FIGS. 10 and 12, the third foreign matter protrudes from the vertical direction to a thin foreign object such as a string pressed against the contact members 12 and 20 by the first and second string detection shoes 18 and 22. In addition, tension acts on the fourth string detection shoes 26 and 27.

第３の紐検出シュー２６は、出入口の上部に位置する後退位置と第１及び第２のかごの戸２，３の高さの中間部分へ所定の範囲に渡って移動したときの前進位置との間で変位可能となっている。第３の紐検出シュー駆動装置２４は、第１及び第２のかごの戸２，３の全戸開時に第３の紐検出シュー２６を後退位置へ変位させる。また、第３の紐検出シュー駆動装置２４は、第１及び第２のかごの戸２，３の全戸閉時に第３の紐検出シュー２６を前進位置に変位させる。 The third string detection shoe 26 has a retracted position located at the upper part of the entrance and an advanced position when moved over a predetermined range to an intermediate part of the height of the first and second car doors 2 and 3. It can be displaced between. The third string detection shoe driving device 24 displaces the third string detection shoe 26 to the retracted position when the first and second car doors 2 and 3 are fully opened. The third string detecting shoe driving device 24 displaces the third string detecting shoe 26 to the forward position when all the first and second car doors 2 and 3 are closed.

第４の紐検出シュー２７は、出入口の下部に位置する後退位置と第１及び第２のかごの戸２，３の高さの中間部分へ所定の範囲に渡って移動したときの前進位置との間で変位可能となっている。第４の紐検出シュー駆動装置２５は、第１及び第２のかごの戸２，３の全戸開時に第４の紐検出シュー２７を後退位置へ変位させる。また、第４の紐検出シュー駆動装置２５は、第１及び第２のかごの戸２，３の全戸閉時に第４の紐検出シュー２７を前進位置に変位させる。 The fourth string detecting shoe 27 has a retracted position located at the lower part of the doorway and a forward position when moved over a predetermined range to an intermediate part of the height of the first and second car doors 2 and 3. It can be displaced between. The fourth string detecting shoe driving device 25 displaces the fourth string detecting shoe 27 to the retracted position when the first and second car doors 2 and 3 are fully opened. The fourth string detection shoe driving device 25 displaces the fourth string detection shoe 27 to the forward position when the first and second car doors 2 and 3 are all closed.

第３の紐検出シュー２６には、ケーブルを介して上側垂直方向検出部としての第３の検出部２８が接続されている。第３の検出部２８は、全戸閉時に第３の紐検出シュー２６が前進位置に変位されたかどうかを検出することにより、第３の紐検出シュー２６の前進方向の異物の有無を検出することができる。 A third detection unit 28 serving as an upper vertical direction detection unit is connected to the third string detection shoe 26 via a cable. The third detection unit 28 detects the presence or absence of foreign matter in the forward direction of the third string detection shoe 26 by detecting whether or not the third string detection shoe 26 is displaced to the forward position when all the doors are closed. Can do.

第４の紐検出シュー２７には、ケーブルを介して下側垂直方向検出部としての第４の検出部２９が接続されている。第４の検出部２９は、全戸閉時に第４の紐検出シュー２７が前進位置に変位されたかどうかを検出することにより、第４の紐検出シュー２７の前進方向の異物の有無を検出することができる。 A fourth detection unit 29 as a lower vertical direction detection unit is connected to the fourth string detection shoe 27 via a cable. The fourth detection unit 29 detects the presence or absence of foreign matter in the forward direction of the fourth string detection shoe 27 by detecting whether or not the fourth string detection shoe 27 is displaced to the forward position when all the doors are closed. Can do.

第３及び第４の検出部２８，２９には、ケーブルを介してドア制御装置１６が接続されている。ドア制御装置１６は、第３及び第４の検出部２８，２９からの検出信号に応じてドアモータを制御する。他の構成は実施の形態１と同様である。 The door control device 16 is connected to the third and fourth detection units 28 and 29 via cables. The door control device 16 controls the door motor according to detection signals from the third and fourth detection units 28 and 29. Other configurations are the same as those in the first embodiment.

次に、動作について説明する。図１４は図８のドア制御装置１６の動作を説明するためのフローチャートである。ドアシュー用検出器１１からの信号により、ドアシュー１０が異物により後退されたかどうかを監視する（ステップＳ２）までは、実施の形態１の動作と同様である。 Next, the operation will be described. FIG. 14 is a flowchart for explaining the operation of the door control device 16 of FIG. The operation is the same as that of the first embodiment until it is monitored by the signal from the door shoe detector 11 whether or not the door shoe 10 has been retracted by a foreign object (step S2).

第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の全戸閉後には、第１及び第２の検出部１９，２３からの信号を確認し、第１及び第２の紐検出シュー１８，２２が前進位置まで完全に移動したかどうかを確認する（ステップＳ５）。第１及び第２の紐検出シュー１８，２２が前進位置まで移動し当接部材１２，２０に当接していれば、当接部材１２と第１の紐検出シュー１８との間及び当接部材２０と第２の紐検出シュー２２との間に異物が存在しないと判断する。 After the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 are all closed, the signals from the first and second detectors 19 and 23 are confirmed. It is confirmed whether the 1st and 2nd string detection shoes 18 and 22 have moved completely to the advance position (step S5). If the first and second string detecting shoes 18 and 22 are moved to the advanced position and are in contact with the contact members 12 and 20, the contact member 12 and the first string detection shoe 18 and between the contact members It is determined that there is no foreign object between 20 and the second string detection shoe 22.

全戸閉時に第１及び第２の紐検出シュー１８，２２が前進位置まで移動していない場合、当接部材１２と第１の紐検出シュー１８との間及び当接部材２０と第２の紐検出シュー２２との間に異物が存在すると判断し、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８を反転戸開させるとともに、かご１内に注意のアナウンスを流し（ステップＳ６）、戸開状態で所定時間待機する（ステップＳ４）。 When the first and second string detection shoes 18 and 22 are not moved to the advanced position when all the doors are closed, the contact member 12 and the first string detection shoe 18 and between the contact member 20 and the second string It is determined that there is a foreign object between the detection shoe 22 and the doors 2 and 3 of the first and second cars and the doors 7 and 8 of the first and second landings are reversed and opened in the car 1. A notice of caution is played (step S6), and a predetermined time is waited in the door open state (step S4).

また、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の全戸閉後には、第３及び第４の検出部２８，２９からの信号を確認し、第３及び第４の紐検出シュー２６，２７が前進位置まで完全に移動したかどうかを確認する（ステップＳ９）。第３及び第４の紐検出シュー２６，２７が前進位置まで所定の範囲に渡って移動していれば、第３及び第４の紐検出シュー２６，２７の前進方向に異物が存在しないと判断し、かご１の通常走行を許可する（ステップＳ７）。 In addition, after all the first and second car doors 2 and 3 and the first and second landing doors 7 and 8 are closed, the signals from the third and fourth detectors 28 and 29 are confirmed. Then, it is confirmed whether or not the third and fourth string detection shoes 26, 27 have completely moved to the advanced position (step S9). If the third and fourth string detection shoes 26, 27 have moved over a predetermined range to the advance position, it is determined that no foreign matter exists in the advance direction of the third and fourth string detection shoes 26, 27. Then, normal traveling of the car 1 is permitted (step S7).

かご１を通常走行させると（ステップＳ７）、第３及び第４の検出部２８，２９からの信号を確認し、第３及び第４の紐検出シュー２６，２７が前進位置から後退位置方向へ変位されたどうかを確認する（ステップＳ１０）。第３及び第４の紐検出シュー２６，２７が前進位置のままであれば、第３及び第４の紐検出シュー２６，２７の前進方向に異物が存在しないと判断し、かご１は目的階に到着する。そして、戸開指令をドアモータに出力し（ステップＳ８）、戸開状態で所定時間待機する（ステップＳ４）。 When the car 1 travels normally (step S7), the signals from the third and fourth detection units 28 and 29 are confirmed, and the third and fourth string detection shoes 26 and 27 move from the forward position toward the backward position. It is confirmed whether it has been displaced (step S10). If the third and fourth string detection shoes 26, 27 remain in the forward position, it is determined that there is no foreign object in the forward direction of the third and fourth string detection shoes 26, 27, and the car 1 is the destination floor. To arrive. Then, a door opening command is output to the door motor (step S8), and a standby state is waited for a predetermined time (step S4).

かご１の通常走行時に（ステップＳ７）、第３及び第４の紐検出シュー２６，２７が前進位置から後退位置方向へ移動した場合、第３及び第４の紐検出シュー２６，２７の前進方向に異物が存在すると判断し、かご１を非常停止させ、直前の停止階まで反転走行を開始させる（ステップＳ１１）。そして、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８を反転戸開させるとともに、かご１内に注意のアナウンスを流し（ステップＳ６）、戸開状態で所定時間待機する（ステップ４）。 When the car 1 normally travels (step S7), when the third and fourth string detection shoes 26, 27 move from the forward position to the reverse position, the forward direction of the third and fourth string detection shoes 26, 27 It is determined that there is a foreign object in the car, and the car 1 is brought to an emergency stop, and reverse running is started up to the previous stop (step S11). Then, the doors 2 and 3 of the first and second cars and the doors 7 and 8 of the first and second landings are reversed, and a notice of caution is passed through the car 1 (step S6). Wait for a predetermined time in the state (step 4).

このようなエレベータの異物検出装置では、第３及び第４の紐検出シュー２６，２７が所定の範囲に渡って移動したときの前進位置に変位されたどうかを検出することができるとともに、かご１が走行を開始した後も第３及び第４の紐検出シュー２６，２７が前進位置から後退位置方向へ変位されたかどうかを検出することができるので、第１及び第２のかごの戸２，３の間及び第１及び第２の乗場の戸７，８の間に異物が挟み込まれているのをより確実に検出することができる。また、第１及び第２のかごの戸２，３の間及び第１及び第２の乗場の戸７，８の間に異物が挟み込まれている状態でかご１が走行するのを防止することができる。 In such an elevator foreign object detection device, it is possible to detect whether or not the third and fourth string detection shoes 26 and 27 are displaced to the forward movement position when moving over a predetermined range, and the car 1 Can detect whether the third and fourth string detection shoes 26, 27 have been displaced from the forward movement position toward the backward movement position even after the vehicle has started running, so that the first and second car doors 2, It is possible to more reliably detect that foreign matter is sandwiched between the doors 3 and 3 and the doors 7 and 8 of the first and second landings. Further, preventing the car 1 from traveling in a state where foreign matter is sandwiched between the doors 2 and 3 of the first and second cars and between the doors 7 and 8 of the first and second landings. Can do.

なお、上記の例では、紐検出シュー１４及び第１及び第２の紐検出シュー１８，２２は第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８とは、独立して動作させたが、第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の機構に従動して動作させてもよい。
また、かご１の走行によって紐等の異物が紐検出シュー１４及び第１及び第２の紐検出シュー１８，２２を上下方向に引きずる力を利用して異物の挟み込みを検出してもよい。
さらに、第３及び第４の紐検出シュー２６，２７のストローク量は限定されるものではなく、例えば、第１及び第２のかごの戸２，３の高さを二分するストローク量やそれ以下のストローク量であってもよい。 In the above example, the string detecting shoe 14 and the first and second string detecting shoes 18, 22 are the first and second car doors 2, 3, and the first and second landing doors 7, 8. Is operated independently, but may be operated following the mechanisms of the first and second car doors 2 and 3 and the first and second landing doors 7 and 8.
Further, the trapping of the foreign matter may be detected by using a force by which a foreign matter such as a strap drags the strap detection shoe 14 and the first and second strap detection shoes 18 and 22 in the vertical direction as the car 1 travels.
Furthermore, the stroke amount of the 3rd and 4th string detection shoes 26 and 27 is not limited, for example, the stroke amount which bisects the height of the doors 2 and 3 of the 1st and 2nd cages or less. May be the stroke amount.

仮に、第３及び第４の紐検出シュー２６，２７のストローク量が第１及び第２のかごの戸２，３及び第１及び第２の乗場の戸７，８の高さの１／２以下の場合は、第１、第２、第３及び第４の紐検出シュー１８，２２，２６，２７が交差しない箇所に紐等の細い異物が挟まると、かご１は動作可能と判断される。この場合は、かご１の移動により第３及び第４の紐検出シュー２６，２７に対して紐等の細い異物が押し付けられる力を利用して第１及び第２のかごの戸２，３の間及び第１及び第２の乗場の戸７，８の間に挟み込まれた紐等の異物を検出する。 Temporarily, the stroke amount of the 3rd and 4th string detection shoes 26 and 27 is 1/2 of the height of the doors 1 and 2 of the 1st and 2nd cages, and the doors 7 and 8 of the 1st and 2nd landings. In the following cases, the car 1 is determined to be operable when a thin foreign object such as a string is caught in a place where the first, second, third and fourth string detection shoes 18, 22, 26, 27 do not intersect. . In this case, the first and second car doors 2 and 3 are used by utilizing the force with which a thin foreign object such as a string is pressed against the third and fourth string detecting shoes 26 and 27 by the movement of the car 1. A foreign object such as a string sandwiched between the doors 7 and 8 of the first and second landings is detected.

この発明の実施の形態１によるエレベータのかご室及び乗場の一部を示す側面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing a part of an elevator cab and a landing according to Embodiment 1 of the present invention. 図１の第１及び第２のかごの戸の戸開状態を示す正面図である。It is a front view which shows the door open state of the door of the 1st and 2nd cage | basket | car of FIG. 図２の第１及び第２のかごの戸の戸閉状態を示す正面図である。It is a front view which shows the door closed state of the door of the 1st and 2nd cage | basket | car of FIG. 図２の第１及び第２のかごの戸の戸開状態を示す平面図である。It is a top view which shows the door open state of the door of the 1st and 2nd cage | basket | car of FIG. 図４の第１及び第２のかごの戸の戸閉状態を示す平面図である。It is a top view which shows the door-closing state of the door of the 1st and 2nd cage | basket | car of FIG. 図５のＶＩ部を拡大して示す平面図である。FIG. 6 is an enlarged plan view showing a VI part in FIG. 5. 図２のドア制御装置の動作を説明するためのフローチャートである。It is a flowchart for demonstrating operation | movement of the door control apparatus of FIG. この発明の実施の形態２による第１及び第２のかごの戸及第１及び第２の乗場の戸の戸開状態を示す平面図である。It is a top view which shows the door open state of the door of the 1st and 2nd cage | basket | car according to Embodiment 2 of this invention and the door of the 1st and 2nd landing. 図８の第１及び第２のかごの戸及び第１及び第２の乗場の戸の戸閉状態を示す平面図である。It is a top view which shows the door closed state of the door of the 1st and 2nd cage of FIG. 8, and the door of the 1st and 2nd landing. 図９のＸ部を拡大して示す平面図である。It is a top view which expands and shows the X section of FIG. 図８の第１及び第２かごの戸及び第１及び第２の乗場の戸の戸開状態を示す側面図である。It is a side view which shows the door open state of the door of the 1st and 2nd car of FIG. 8, and the door of the 1st and 2nd landing. 図１１の第１及び第２のかごの戸及び第１及び第２の乗場の戸の戸閉状態を示す側面図である。It is a side view which shows the door closed state of the door of the 1st and 2nd cage of FIG. 11, and the door of the 1st and 2nd landing. 図１２の要部を拡大して示す側面図である。It is a side view which expands and shows the principal part of FIG. 図８のドア制御装置の動作を説明するためのフローチャートである。It is a flowchart for demonstrating operation | movement of the door control apparatus of FIG.

Explanation of symbols

２第１のかごの戸（第１のドア）、３第２のかごの戸（第２のドア）、７第１の乗場の戸（第１のドア）、８第２の乗場の戸（第２のドア）、１２当接部材、１３紐検出シュー駆動装置（水平方向駆動装置）、１４紐検出シュー（可動部材）、１５水平方向検出部、１７第１の紐検出シュー駆動装置（水平方向駆動装置）、１８第１の紐検出シュー（可動部材）、１９第１の検出部（水平方向検出部）、２０当接部材、２１第２の紐検出シュー駆動装置（水平方向駆動装置）、２２第２の紐検出シュー（可動部材）、２３第２の検出部（水平方向検出部）、２４第３の紐検出シュー駆動装置（上側垂直方向駆動装置）、２５第４の紐検出シュー駆動装置（下側垂直方向駆動装置）、２６第３の紐検出シュー（上側移動部材）、２７第４の紐検出シュー（下側移動部材）、２８第３の検出部（上側垂直方向検出部）、２９第４の検出部（下側垂直方向検出部）。 2 First car door (first door), 3 Second car door (second door), 7 First landing door (first door), 8 Second landing door ( 2nd door), 12 contact member, 13 string detection shoe drive device (horizontal direction drive device), 14 string detection shoe (movable member), 15 horizontal direction detection unit, 17 first string detection shoe drive device (horizontal direction) Direction driving device), 18 first string detecting shoe (movable member), 19 first detecting section (horizontal direction detecting section), 20 abutting member, 21 second string detecting shoe driving apparatus (horizontal direction driving apparatus) , 22 second string detection shoe (movable member), 23 second detection unit (horizontal direction detection unit), 24 third string detection shoe drive device (upper vertical drive device), 25 fourth string detection shoe Drive device (lower vertical drive device), 26 third string detection shoe (upper displacement) Member), 27 a fourth string detection shoe (lower moving member), 28 a third detector (upper vertical direction detecting unit), 29 a fourth detector (lower vertical direction detecting unit).

Claims

An abutting member that is provided on the back of the first door among the first and second doors that move in opposite directions to open and close the doorway, and extends in the vertical direction of the first door;
A movable member that extends in the vertical direction of the second door and is displaceable between a retracted position located on a back portion of the second door and an advanced position contacting the contact member;
A horizontal driving device provided on the second door for displacing the movable member to the retracted position when all the doors are open, and displacing the movable member to the advanced position when all the doors are closed; and A horizontal direction detection unit that detects whether or not there is a foreign object between the contact member and the movable member by detecting whether or not it is displaced to a forward position ;
An upper moving member that is displaceable between a retracted position located at the upper part of the doorway and an advanced position when moving over a predetermined range to an intermediate portion of the height of the first and second doors;
An upper vertical driving device provided at an upper part of the entrance and exiting, which displaces the upper moving member to the retracted position when all the doors are open and displaces the upper moving member to the advanced position when all the doors are closed;
An upper vertical direction detection unit that detects whether or not the upper moving member is displaced in the forward movement direction by detecting whether or not the upper moving member is displaced to the forward movement position when all the doors are closed;
A lower moving member that is displaceable between a retracted position located at a lower portion of the doorway and an advanced position when moving over a predetermined range to an intermediate portion of the height of the first and second doors;
A lower vertical drive device provided at a lower portion of the doorway, which displaces the lower moving member to the retracted position when all the doors are open, and displaces the lower moving member to the advanced position when all the doors are closed; and
A lower vertical direction detection unit that detects whether or not the lower moving member is moved forward to a forward position by detecting whether or not the lower moving member is displaced to the forward position when all the doors are closed;
That it comprises a foreign matter detecting device for an elevator according to claim.