JP2007210697A - Elevator control device - Google Patents

Elevator control device Download PDF

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JP2007210697A
JP2007210697A JP2006029504A JP2006029504A JP2007210697A JP 2007210697 A JP2007210697 A JP 2007210697A JP 2006029504 A JP2006029504 A JP 2006029504A JP 2006029504 A JP2006029504 A JP 2006029504A JP 2007210697 A JP2007210697 A JP 2007210697A
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Japan
Prior art keywords
car
counter weight
counterweight
control device
elevator
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JP2006029504A
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JP4839094B2 (en
Inventor
Yohei Sugiyama
洋平 杉山
Kenichi Yamashita
健一 山下
Keiichi Aida
敬一 会田
Hirotomo Takahashi
裕智 高橋
Kosei Kishikawa
岸川　　孝生
Atsuya Fujino
篤哉 藤野
Seiji Kawanishi
清司 川西
Motomi Nakamura
元美 中村
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Hitachi Ltd
Hitachi Mito Engineering Co Ltd
Hitachi Building Systems Co Ltd
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Hitachi Ltd
Hitachi Mito Engineering Co Ltd
Hitachi Building Systems Co Ltd
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Priority to JP2006029504A priority Critical patent/JP4839094B2/en
Priority to TW96102497A priority patent/TW200806564A/en
Priority to CN2007100037913A priority patent/CN101016131B/en
Publication of JP2007210697A publication Critical patent/JP2007210697A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To suppress a car or a counter weight from being damaged by contact of the counter weight and the car when automatic diagnosis operation is performed in generation of an earthquake. <P>SOLUTION: The elevator control device is provided with a means for bringing an elevator to operation-halt when shake of magnitude of a predetermined value or more is sensed; and a means for automatically performing diagnosis operation when it gets to operation-halt and recovering it from the operation-halt, and is further provided with a position detection means for detecting positions of a car 5 and a counter weight 8; and a speed control means for outputting deceleration instruction when a distance of the positions of the car and the counter weight is a predetermined value or less. Accordingly, the car and the counter weight are decelerated when the car and the counter weight approach, and damage when the car and the counter weight are brought into contact with each other can be suppressed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、エレベータ制御装置に関する。   The present invention relates to an elevator control device.

従来、地震時管制運転は地震を感知すると最寄り階に停止し、所定時間ドアを開けた後、ドアを閉めて運転休止となる。その後、エレベータの専門技術者による点検を行った後に平常運転に復帰する。専門技術者による点検とは、エレベータの機械室や昇降路内の機器の確認や、エレベータ内に乗客が残っていないことの確認や、エレベータの低速走行確認などがある。   Conventionally, when an earthquake is detected, control operation during an earthquake stops at the nearest floor, opens the door for a predetermined time, closes the door, and stops operation. After that, after an inspection by an elevator specialist, the vehicle returns to normal operation. The inspection by a specialist engineer includes confirmation of equipment in the elevator machine room and hoistway, confirmation that there are no passengers remaining in the elevator, and confirmation of low-speed traveling of the elevator.

また、運転休止状態からの早期復旧を目的として、エレベータの専門技術者による点検によらず、自動で診断運転を行い、運転休止から復旧するエレベータがある（例えば、特許文献１参照）。   In addition, there is an elevator that automatically performs a diagnostic operation and recovers from an operation stop (for example, refer to Patent Document 1) for the purpose of early recovery from an operation stop state without performing an inspection by an elevator engineer.

特開平５−１３９６４２号公報JP-A-5-139642

エレベータの専門技術者による点検によらず、自動で診断運転を行い、運転休止から復旧するエレベータにおいては、エレベータの専門技術者による点検を行う前に走行させる。前記自動で診断運転する際、エレベータの専門技術者による点検が未実施であり、エレベータの塔内の状態が分からないため、カウンタウェイトとかごとが接触する可能性がある。   Regardless of the inspection by an elevator specialist, the elevator that automatically performs the diagnostic operation and recovers from the operation stop is run before the inspection by the elevator specialist. When the diagnosis operation is automatically performed, the inspection by an elevator specialist is not performed, and the state in the elevator tower is not known.

本発明の目的は、エレベータの専門技術者による点検によらず、自動で診断運転を実施する際に、カウンタウェイトとかごとが接触してかごまたはカウンタウェイトが損傷することを抑制するエレベータ制御装置を提供することである。   An object of the present invention is to provide an elevator control device that suppresses damage to a car or a counterweight due to contact between a counterweight and a car when performing a diagnostic operation automatically, without performing an inspection by an elevator specialist. Is to provide.

本発明によるエレベータ制御装置は、所定値以上の揺れの大きさを感知した場合にエレベータを運転休止にする手段と、運転休止となった場合に自動で診断運転を行い、運転休止から復旧する手段とを備え、さらに、かご及びカウンタウェイトの位置を検出する位置検出手段と、かご及びカウンタウェイトの位置の距離が所定値以下である場合に減速指令を出力する速度制御手段を備える。   The elevator control device according to the present invention is a means for stopping the elevator when a magnitude of a swing of a predetermined value or more is detected, and a means for automatically performing a diagnostic operation when the operation is stopped and recovering from the operation stop. And a speed control means for outputting a deceleration command when the distance between the position of the car and the counterweight is equal to or less than a predetermined value.

また、かごまたはカウンタウェイトが、両者が交差する階床から±１階床に位置する場合に減速指令を出力するようにしても良い。   Further, a deceleration command may be output when the car or the counterweight is located on the ± 1 floor from the floor where the two intersect.

本発明によれば、地震時の自動診断運転において、かごとカウンタウェイトが接近するとかご及びカウンタウェイトが減速されるので、かごとカウンタウェイトが接触した場合の損傷を抑制できる。   According to the present invention, in the automatic diagnosis operation at the time of earthquake, when the car and the counter weight are approached, the car and the counter weight are decelerated, so that damage when the car and the counter weight come into contact can be suppressed.

図１は、本発明の一実施形態を示すブロック図である。   FIG. 1 is a block diagram showing an embodiment of the present invention.

図１において、１はエレベータ制御装置、２は所定値以上の揺れの大きさを感知したことをエレベータ制御装置１に伝える地震感知器、３はかごを呼ぶホールボタン、４はかご内の荷重を検出する荷重センサ、５は乗客が乗るかご、６は各階床の位置を検出する階床検出装置、７はかご内天井照明、８はカウンタウェイト、９は巻上機、１０は巻上機９に取り付けられたシーブの速度または回転数を検出するエンコーダ、２０は巻上機９のシーブに巻き掛けられてかご５とカウンタウェイト８を駆動するロープである。   In FIG. 1, 1 is an elevator control device, 2 is a seismic detector that informs the elevator control device 1 that a magnitude of a swing greater than a predetermined value is detected, 3 is a hall button that calls a car, and 4 is a load in the car. Load sensors to be detected, 5 is a passenger car, 6 is a floor detection device for detecting the position of each floor, 7 is ceiling lighting in the car, 8 is a counterweight, 9 is a hoisting machine, 10 is a hoisting machine 9 An encoder 20 for detecting the speed or rotation speed of the sheave attached to the rope is wound around the sheave of the hoisting machine 9 and drives a car 5 and a counterweight 8.

図２は、図１のエレベータ制御装置１による地震時の制御フローを示す。   FIG. 2 shows a control flow during an earthquake by the elevator control device 1 of FIG.

地震感知器が動作すると（Ｓ２１）、走行中のエレベータは最寄り階に停止し(Ｓ２２)、かご内の照明を消灯し（Ｓ２３）、ドアを所定時間開けた後、ドアを閉めて（Ｓ２４）、地震時管制運転完了となる（Ｓ２５）。地震時管制運転完了となったことに応じて、エレベータの制御装置は診断運転を行い（Ｓ２６）、異常が無ければ、運転休止から復旧する（Ｓ２７）。   When the earthquake detector is activated (S21), the running elevator stops at the nearest floor (S22), the lights in the car are turned off (S23), the door is opened for a predetermined time, and then the door is closed (S24). Then, the control operation during the earthquake is completed (S25). In response to the completion of the control operation during an earthquake, the elevator control device performs a diagnostic operation (S26), and if there is no abnormality, recovers from the operation stop (S27).

図３は、診断運転フローを示す。   FIG. 3 shows a diagnostic operation flow.

かご内乗客の有無を確認し(Ｓ３１)、乗客がいなければ、低速診断運転を行う(Ｓ３２)。低速診断運転で異常が無ければ、各階走行停止診断運転を行う（Ｓ３３）。各階走行停止診断運転で異常が無ければ、高速走行診断運転を行う（Ｓ３４）。高速走行診断運転で異常が無ければ、戸開閉診断運転を行う（Ｓ３５）。戸開閉診断運転で異常が無ければ、運転休止から復旧する。   The presence / absence of passengers in the car is confirmed (S31), and if there are no passengers, low-speed diagnosis operation is performed (S32). If there is no abnormality in the low-speed diagnosis operation, the travel stop diagnosis operation for each floor is performed (S33). If there is no abnormality in each floor travel stop diagnosis operation, high speed travel diagnosis operation is performed (S34). If there is no abnormality in the high-speed running diagnosis operation, a door opening / closing diagnosis operation is performed (S35). If there is no abnormality in the door opening / closing diagnosis operation, the operation is recovered from the operation suspension.

本実施形態では、低速診断運転時（Ｓ３２）において、カウンタウェイト８とかご５が交差する前に所定値以下の目標の速度に減速させ、カウンタウェイト８とかご５が接触した場合のかごの損傷を抑える。また、低速診断運転（Ｓ３２）完了後の各階走行停止診断（Ｓ３３）及び高速走行診断（Ｓ３４）においても同様に、カウンタウェイト８とかご５が交差する前に所定の低速度まで減速させれば、カウンタウェイト８とかご５が接触した場合のかごの損傷を抑えることができる。   In the present embodiment, the car is damaged when the counterweight 8 and the car 5 come into contact with each other when the counterweight 8 and the car 5 are brought into contact with each other at the low speed diagnosis operation (S32). Suppress. Similarly, in each floor travel stop diagnosis (S33) and high speed travel diagnosis (S34) after completion of the low speed diagnosis operation (S32), if the counterweight 8 and the car 5 cross each other, the speed is reduced to a predetermined low speed. Further, damage to the car when the counterweight 8 and the car 5 come into contact with each other can be suppressed.

図４は、エレベータ制御装置１の詳細構成を示す。   FIG. 4 shows a detailed configuration of the elevator control device 1.

図４において、１４はかご５及びカウンタウェイト８の位置を検出する位置検出装置である。位置検出装置１４は、エンコーダ１０で検出されたシーブの回転数または速度(Ｂ)からかご５の位置を演算して検出する。また、位置検出装置１４は、昇降路内におけるかご５とカウンタウェイト８の交差点に対し、かご５の位置とカウンタウェイト８の位置が対称であり交差点からの距離が略等しいことを利用して、検出されたかご５の位置からカウンタウェイト８の位置を演算して検出する（図５参照）。なお、カウンタウェイト８の位置は、検出されたかご５の位置とロープ２０の長さから演算して検出しても良い。さらに、位置検出装置１４は、検出されるかご５及びカウンタウェイト８の位置からかご５とカウンタウェイト８との距離を演算して出力する。なお、１１は、位置補正装置であって、階床検出装置６からのかご５の位置データ（Ｄ）と位置検出装置１４で検出されるかご５の位置（Ｅ）との差分を演算し、この差分（Ｆ）によって、位置検出装置１４が出力するかご５とカウンタウェイト８との距離を補正する。１２は、補正されたカウンタウェイト８とかご５との距離（Ｇ）を格納する記憶装置である。１３は、速度制御装置であって、記憶装置１２に格納したカウンタウェイト８とかご５の距離を読み出して（Ｈ）、カウンタウェイト８とかご５が所定の距離以下に接近したら、減速指令（Ａ）を出力する。そして、速度制御装置１３は、エンコーダ１０によって検出されるシーブの速度(Ｂ)が所定の低速度に近づくように、減速指令（Ａ）によって巻上機９を制御する。   In FIG. 4, reference numeral 14 denotes a position detection device that detects the positions of the car 5 and the counterweight 8. The position detector 14 calculates and detects the position of the car 5 from the rotational speed or speed (B) of the sheave detected by the encoder 10. Further, the position detection device 14 uses the fact that the position of the car 5 and the counter weight 8 are symmetrical with respect to the intersection of the car 5 and the counterweight 8 in the hoistway, and the distance from the intersection is substantially equal. The position of the counterweight 8 is calculated from the position of the detected car 5 and detected (see FIG. 5). The position of the counterweight 8 may be detected by calculating from the detected position of the car 5 and the length of the rope 20. Further, the position detection device 14 calculates and outputs the distance between the car 5 and the counter weight 8 from the detected positions of the car 5 and the counter weight 8. In addition, 11 is a position correction apparatus, and calculates the difference between the position data (D) of the car 5 from the floor detection apparatus 6 and the position (E) of the car 5 detected by the position detection apparatus 14, Based on this difference (F), the distance between the car 5 output from the position detection device 14 and the counterweight 8 is corrected. A storage device 12 stores the corrected distance (G) between the counterweight 8 and the car 5. A speed control device 13 reads the distance between the counterweight 8 and the car 5 stored in the storage device 12 (H). When the counterweight 8 and the car 5 approach a predetermined distance or less, a deceleration command (A ) Is output. Then, the speed control device 13 controls the hoisting machine 9 by the deceleration command (A) so that the sheave speed (B) detected by the encoder 10 approaches a predetermined low speed.

図５は、図４の位置検出装置１４におけるカウンタウェイトの位置を検出する手段の一例を示す。位置検出装置１４は、かご５とカウンタウェイト８との交差点を原点（Ｏ）とし、原点（Ｏ）に対するかご位置をＡと検出する、かご５とカウンタウェイト８との位置は交差点に対して対称且つ距離が等しいことより、カウンタウェイトの位置は−Ａであると検出する。   FIG. 5 shows an example of means for detecting the position of the counterweight in the position detection device 14 of FIG. The position detection device 14 detects the car position with respect to the origin (O) as A with the intersection of the car 5 and the counterweight 8 as A. The position of the car 5 and the counterweight 8 is symmetric with respect to the intersection. Since the distances are equal, the position of the counter weight is detected as -A.

図６は、図４の速度制御装置１３における速度制御手段の一例を示す。速度制御装置
１３は、かご５とカウンタウェイト８の距離が時間と共に減少する時、すなわち、かご５とカウンタウェイト８とが交差する方向に走行する時、かご５とカウンタウェイト８との距離２ｘが所定値２Ｘ以下であると判断した場合、減速指令を出力する。そして、シーブの速度が所定の低速度に近づくように、減速指令によって巻上機９が制御される。ここで、所定の低速度は、かご５とカウンタウェイト８の速度が、両者が接触しても実質損傷しないか、あるいは復旧に支障の無い程度の軽微な損傷となる速度Ｖとなるような値に設定される。距離の所定値２Ｘは、かご５とカウンタウェイト８の速度が交差時に所定の速度Ｖとなるような値とする。また、カウンタウェイト８とかご５が交差点を通過後、速度制御装置１３は減速指令を解除し、加速指令を出力する。なお、かご５とカウンタウェイト８との距離２ｘを用いる代わりに、交差点とかご５との距離ｘを用い所定値Ｘと比較しても、同様に制御できることは明らかである。 FIG. 6 shows an example of speed control means in the speed control device 13 of FIG. When the distance between the car 5 and the counterweight 8 decreases with time, that is, when the car 5 and the counterweight 8 travel in a crossing direction, the speed control device 13 determines that the distance 2x between the car 5 and the counterweight 8 is When it is determined that the value is equal to or less than the predetermined value 2X, a deceleration command is output. The hoisting machine 9 is controlled by the deceleration command so that the sheave speed approaches a predetermined low speed. Here, the predetermined low speed is a value at which the speed of the car 5 and the counterweight 8 is a speed V that does not substantially damage even if they come into contact with each other, or cause minor damage that does not hinder recovery. Set to The predetermined value 2X of the distance is set to a value at which the speed of the car 5 and the counterweight 8 becomes a predetermined speed V when intersecting. In addition, after the counterweight 8 and the car 5 pass through the intersection, the speed control device 13 releases the deceleration command and outputs an acceleration command. It is obvious that the same control can be performed by using the distance x between the intersection and the car 5 and comparing with the predetermined value X instead of using the distance 2x between the car 5 and the counterweight 8.

図７は、本実施形態におけるかご５とカウンタウェイト８の速度パターンの一例を示す。なお、昇降路内においてかご５とカウンタウェイト８が接近する様子を併記する。カウンタウェイト８とかご５が交差する前に速度制御装置１３にて減速指令が出力され、交差後、カウンタウェイト８とかご５が離れる方向に走行すると速度制御装置１３にて加速指令が出力される。   FIG. 7 shows an example of the speed pattern of the car 5 and the counterweight 8 in the present embodiment. A state in which the car 5 and the counterweight 8 approach in the hoistway is also described. Before the counterweight 8 and the car 5 intersect, the speed control device 13 outputs a deceleration command. When the counterweight 8 and the car 5 travel away from each other, the speed control device 13 outputs an acceleration command. .

上記の実施形態に限らず、本発明の技術的思想の範囲内において、種々の変形例が可能である。例えば、かご５またはカウンタウェイト８が位置する階床に基づいて減速指令を出力しても良い。この場合、図４における位置検出装置１４は、階床検出装置６によって検出されるかご５の位置する階床を入力し、かごとカウンタウェイトが交差する階床に対する、かごまたはカウンタウェイトが位置する階床数を検出する。速度制御装置１３は、位置検出装置１４によって検出される交差階床に対する階床数が±１階床であると判断すると減速指令を出力する。   The present invention is not limited to the above embodiment, and various modifications are possible within the scope of the technical idea of the present invention. For example, a deceleration command may be output based on the floor on which the car 5 or the counterweight 8 is located. In this case, the position detection device 14 in FIG. 4 inputs the floor where the car 5 detected by the floor detection device 6 is located, and the car or counter weight is located with respect to the floor where the car and the counter weight intersect. Detect the number of floors. If the speed control device 13 determines that the number of floors with respect to the intersection floor detected by the position detection device 14 is ± 1 floor, it outputs a deceleration command.

本発明の一実施形態を示すブロック図である。It is a block diagram which shows one Embodiment of this invention. 図１のエレベータ制御装置による地震時の制御フローを示す。The control flow at the time of the earthquake by the elevator control apparatus of FIG. 1 is shown. 診断運転フローを示す。The diagnosis operation flow is shown. エレベータ制御装置の詳細構成を示す。The detailed structure of an elevator control apparatus is shown. 図４の位置検出装置におけるカウンタウェイトの位置を検出する手段の一例を示す。An example of a means for detecting the position of the counterweight in the position detection apparatus of FIG. 4 is shown. 図４の速度制御装置における速度制御手段の一例を示す。An example of the speed control means in the speed control apparatus of FIG. 4 is shown. かごとカウンタウェイトの速度パターンの一例を示す。An example of the speed pattern of the car and the counter weight is shown.

符号の説明Explanation of symbols

１…エレベータ制御装置、２…地震感知器、３…ホールボタン、４…荷重センサ、５…かご、６…階床検出装置、７…かご内天井照明、８…カウンタウェイト、９…巻上機、
１０…エンコーダ、１１…位置補正装置、１２…記憶装置、１３…速度制御装置、１４…位置検出装置、２０…ロープ。

DESCRIPTION OF SYMBOLS 1 ... Elevator control apparatus, 2 ... Earthquake detector, 3 ... Hall button, 4 ... Load sensor, 5 ... Car, 6 ... Floor detection apparatus, 7 ... Ceiling lighting in car, 8 ... Counter weight, 9 ... Hoisting machine ,
DESCRIPTION OF SYMBOLS 10 ... Encoder, 11 ... Position correction apparatus, 12 ... Memory | storage device, 13 ... Speed control apparatus, 14 ... Position detection apparatus, 20 ... Rope.

Claims (4)

所定値以上の揺れの大きさを感知した場合にエレベータを運転休止にする手段を備え、運転休止となった場合に自動で診断運転を行い、運転休止から復旧する手段を備えるエレベータ制御装置において、かご及びカウンタウェイトの位置を検出する位置検出手段と、前記かご及びカウンタウェイトの位置の距離が所定値以下である場合に減速指令を出力する速度制御手段を備えることを特徴とするエレベータ制御装置。   In the elevator control device comprising means for stopping the elevator when the magnitude of the shaking of a predetermined value or more is sensed, performing diagnostic operation automatically when the operation is stopped, and means for recovering from the operation suspension, An elevator control apparatus comprising: position detection means for detecting positions of a car and a counterweight; and speed control means for outputting a deceleration command when the distance between the position of the car and the counterweight is equal to or less than a predetermined value. 請求項１において、前記位置検出手段は、検出された前記かごの位置に基づき、かごとカウンタウェイトが両者の交差点に対して対称且つ距離が等しいことよりカウンタウェイトの位置を検出することを特徴とするエレベータ制御装置。   2. The position detecting means according to claim 1, wherein the position detecting means detects the position of the counter weight based on the detected position of the car, since the car and the counter weight are symmetrical with respect to the intersection of the two and the distance is the same. Elevator control device. 請求項１において、前記位置検出手段は、検出された前記かごの位置とロープの長さによりカウンタウェイトの位置を検出することを特徴とするエレベータ制御装置。   2. The elevator control device according to claim 1, wherein the position detecting means detects the position of the counter weight based on the detected position of the car and the length of the rope. 所定値以上の揺れの大きさを感知した場合にエレベータを運転休止にする手段を備え、運転休止となった場合に自動で診断運転を行い、運転休止から復旧する手段を備えたエレベータ制御装置において、かごまたはカウンタウェイトが、両者が交差する階床から±１階床に位置する場合、減速指令を出力することを特徴とするエレベータ制御装置。
In an elevator control device provided with means for stopping the elevator when a magnitude of shaking greater than or equal to a predetermined value is detected, and having means for automatically performing diagnostic operation when the operation is stopped and recovering from the operation stop An elevator control device that outputs a deceleration command when the car or the counterweight is located on the ± 1 floor from the floor where they intersect.
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JP6657368B1 (en) * 2018-12-07 2020-03-04 東芝エレベータ株式会社 Group management elevator operation control method and group management control device
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