WO2012124068A1 - Elevator control device - Google Patents
Elevator control device Download PDFInfo
- Publication number
- WO2012124068A1 WO2012124068A1 PCT/JP2011/056174 JP2011056174W WO2012124068A1 WO 2012124068 A1 WO2012124068 A1 WO 2012124068A1 JP 2011056174 W JP2011056174 W JP 2011056174W WO 2012124068 A1 WO2012124068 A1 WO 2012124068A1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
Definitions
- This invention relates to an elevator control device adopting a traction drive system.
- Patent Documents 1 and 2 below disclose techniques related to elevator car position detection.
- the cam switch is installed in the elevator car. This cam switch operates when a car enters the upper end or lower end of the hoistway, and outputs a signal corresponding to the car position. For this reason, for example, even when slip occurs between the main rope and the sheave, the car position can be reliably detected at the end of the hoistway.
- the position code is displayed over the elevator hoistway.
- the position code is read by a camera installed in the elevator car to detect the car position.
- Patent Document 1 has a problem that installation and position adjustment of the cam switch requires a lot of labor and time, and the installation accuracy varies depending on the skill of the operator. There is also a problem that noise is generated when the cam switch operates.
- Patent Document 2 is not concerned about noise, but the same problem as in Patent Document 1 occurs.
- the cost of the elevator with a long hoisting stroke is greatly increased.
- This invention has been made to solve the above-described problems, and its purpose is to greatly simplify the labor of installation and adjustment, and regardless of the skill of the operator who performs installation and adjustment.
- An elevator control device capable of detecting a car position with high accuracy is provided.
- An elevator control device includes an encoder that detects rotation of an elevator sheave, first position detection means that detects a current position of an elevator car based on a detection result of the encoder, and an end of a hoistway
- An image display unit that displays an image representing predetermined position information, an image detection unit that detects an image displayed on the image display unit, and a detection result of the image detection unit.
- a writing unit is included in a writing unit.
- An elevator control apparatus includes an encoder that detects rotation of an elevator sheave, first position detection means that detects a current position of an elevator car based on a detection result of the encoder, and a hoistway An image display unit for displaying an image representing predetermined position information, an image detection unit for detecting an image displayed on the image display unit, and a detection result of the image detection unit. Based on second position detecting means for detecting the current position of the car and control means for controlling the operation of the car based on the car position detected by the first position detecting means and the second position detecting means.
- the image display unit can change the display position of an image from a device when a predetermined device is connected, and can retain display contents even when power is not supplied. It is.
- the labor of installation and adjustment can be greatly simplified, and the car position can be detected with high accuracy regardless of the skill of the operator who performs the installation and adjustment.
- FIG. 1 It is a block diagram which shows the control apparatus of the elevator in Embodiment 1 of this invention. It is a figure for demonstrating the function of the control apparatus shown in FIG. It is a flowchart which shows operation
- FIG. 1 is a block diagram showing an elevator control apparatus according to Embodiment 1 of the present invention.
- 1 is an elevator hoistway
- 2 is an elevator car
- 3 is a counterweight.
- the car 2 and the counterweight 3 are suspended in a fishing bottle type in the hoistway 1 by the main rope 4.
- FIG. 5 is a sheave of a hoisting machine composed of an elevator drive
- 6 is a motor of the hoisting machine.
- a part of the main rope 4 is wound around the sheave 5.
- the car 2 moves up and down in the hoistway 1 in the direction corresponding to the moving direction of the main rope 4 as the main rope 4 moves in the longitudinal direction in conjunction with the rotation of the sheave 5. That is, FIG. 1 shows an elevator that employs a traction drive system.
- the counterweight 3 moves up and down in the hoistway 1 in the opposite direction to the car 2.
- the guide rail 7 is a guide rail for guiding the raising and lowering of the car 2.
- the guide rail 7 is vertically installed in the hoistway 1.
- 8 is a braking device, and 9 is an encoder.
- the braking device 8 and the encoder 9 may be configured as a part of the hoisting machine.
- the braking device 8 is for holding the car 2 stationary.
- the braking device 8 operates when the car 2 is stopped, and prevents the sheave 5 from rotating.
- the encoder 9 is for detecting the rotation of the sheave 5.
- the encoder 9 is installed on the shaft of the sheave 5 and outputs a signal corresponding to the rotation direction and the rotation angle of the sheave 5.
- the signal output from the encoder 9 is input to the control panel 10 of the elevator.
- the control panel 10 includes position detection circuits 11 and 12 and a control circuit 13.
- the position detection circuit 11 detects the current position (car position) of the car 2 based on the signal (detection result) from the encoder 9.
- the function of the position detection circuit 11 may be provided in the encoder 9 itself. In such a case, the position information indicating the car position is input from the encoder 9 to the control panel 10.
- the encoder 9 outputs a signal corresponding to the rotation of the sheave 5. For this reason, when a slip occurs between the main rope 4 and the sheave 5, the car position detected by the position detection circuit 11 deviates from the actual car position. On the other hand, when the elevator car 2 approaches the terminal end (upper end / lower end) of the hoistway 1, in order to avoid collision of the car 2, control such as deceleration and stop must be performed at an appropriate timing. For this reason, the elevator is provided with car position detection means in addition to the means comprising the encoder 9 and the position detection circuit 11.
- the car position detecting means is for accurately detecting the presence of the car 2 at the terminal end (upper end / lower end) of the hoistway 1.
- the car position detection means is configured by the image display units 14 and 15, the image detection unit 16, the position detection circuit 12, and the control circuit 13.
- the image display units 14 and 15 are for displaying images representing predetermined position information.
- electronic paper is used as the image display units 14 and 15, for example.
- the display content (image) and display position can be arbitrarily changed.
- display content can be held for a long time even when power is not supplied.
- the image display unit 14 is provided at the upper end of the hoistway 1.
- the image display unit 14 is fixed to the upper end portion of the guide rail 7 via the support arm 17, for example.
- the image display unit 15 is provided at the lower end of the hoistway 1.
- the image display unit 15 is fixed to the lower end of the guide rail 7 via the support arm 18.
- the image display units 14 and 15 are arranged such that the display surface for displaying the image faces the car 2 side along the ascending / descending direction of the car 2.
- the image detection unit 16 is for detecting images displayed on the image display units 14 and 15.
- the image detection unit 16 is provided in the car 2.
- the image detection unit 16 is arranged to face the image display unit 14 when the car 2 reaches a predetermined upper position. That is, when the car 2 reaches the upper position, the image displayed on the image display unit 14 is detected by the image detection unit 16.
- the image detection unit 16 outputs the detection result (image information) to the control panel 10.
- the image detection unit 16 is disposed so as to face the image display unit 15 when the car 2 reaches a predetermined lower position. When the car 2 reaches the lower position, the image displayed on the image display unit 15 is detected by the image detection unit 16.
- the image detection unit 16 outputs the detection result (image information) to the control panel 10.
- the position detection circuit 12 of the control panel 10 detects the current position of the car 2 based on the information (detection result) from the image detection unit 16. For example, the position detection circuit 12 analyzes the image information transmitted from the image detection unit 16 and compares it with already registered information, and determines whether the car 2 is in the upper position or the lower position.
- the function of the position detection circuit 12 may be provided in the image detection unit 16 itself. In such a case, position information indicating the position of the car is input from the image detection unit 16 to the control panel 10.
- the control circuit 13 controls the operation of the car 2 based on a car position detected by the position detection circuit 11 and a signal from a landing switch (not shown) during normal operation. Further, the control circuit 13 changes the operation of the car 2 based on the car position detected by the position detection circuit 12. For example, when the position detection circuit 12 detects that the car 2 is at a predetermined upper position or a lower position, the control circuit 13 performs control such as deceleration and stop at an appropriate timing.
- FIGS. 2 is a diagram for explaining the function of the control device shown in FIG. 1, and FIG. 3 is a flowchart showing the operation of the elevator control device according to the first embodiment of the present invention.
- the image writing unit 19 is connected to the control panel 10 and the image display units 14 and 15 when it is necessary to write images to the image display units 14 and 15, for example, during elevator installation or maintenance.
- the image representing the predetermined position information must be displayed at a position (height) necessary for changing the operation of the car 2 in order to ensure safe operation of the elevator.
- the image detection unit 16 detects the image displayed on the image display unit 14 (or 15) and before the operation change (for example, deceleration / stop) of the car 2 is started by the control circuit 13, the position The time required for calculation by the detection circuit 12 and the control circuit 13 elapses. For this reason, in order to accurately detect the car position at the end portion of the hoistway 1, the image display units 14 and 15 must display the image in consideration of calculation delays by the position detection circuit 12 and the control circuit 13. I must.
- the length of the image (the width in the up-and-down direction of the car 2) is also required to some extent.
- the distance B can be expressed by the following equation (see FIG. 2).
- the image writing unit 19 displays an image representing position information between the height B and the height A calculated by the above formula 1, taking into account the calculation delays ⁇ t 1 and ⁇ t 2 .
- the image displayed on the image display units 14 and 15 may be a simple image such as a barcode shown in FIG.
- a specific display setting method of the image is as shown in FIG.
- the image writing unit 19 is connected to the control panel 10 and the image display units 14 and 15.
- the image writing unit 19 causes the image display units 14 and 15 to display an image representing predetermined position information.
- the car 2 moves the car 2 back and forth between the top floor and the bottom floor. Specifically, first, the car 2 is caused to travel downward and stopped at the lowest floor (S101). Next, the car 2 is caused to travel upward and stopped on the top floor (S102). Further, the car 2 is moved downward and stopped at the lowest floor (S103).
- the position detection circuits 11 and 12 detect the car position based on the input information.
- the control circuit 13 compares the car position detected by the position detection circuit 11 with the car position detected by the position detection circuit 12, and calculates the display position error of the images displayed on the image display units 14 and 15. .
- the control circuit 13 transmits the calculation result (error) to the image writing unit 19 (S104).
- the image writing unit 19 adjusts (changes) the positions of the images displayed on the image display units 14 and 15 based on the error calculated by the control circuit 13 so that the display position of the image satisfies the above expression 1. (S105).
- the image writing unit 19 adjusts the position of the images displayed on the image display units 14 and 15 with reference to the car position detected by the position detection circuit 11.
- processing in S104 may be performed by the image writing unit 19.
- the car position detected by the position detection circuit 11 and the car position detected by the position detection circuit 12 are input to the image writing unit 19.
- the image writing unit 19 is removed from the control panel 10 and the image display units 14 and 15.
- the car position can be detected with high accuracy at the end of the hoistway 1.
- the detection accuracy is not affected by the skill of the operator who performs installation or adjustment.
- the position adjustment of the image can be performed after the image display units 14 and 15 are installed, the labor of installation and adjustment can be greatly simplified.
- the display content can be held even without power supply, and thus the maintenance cost after image setting can be reduced. Further, since the display contents and display positions of the image display units 14 and 15 cannot be changed unless the image writing unit 19 is connected, mischief and malfunction can be prevented. Further, if the image writing unit 19 is configured to be detachable, it is not necessary to install the image writing unit 19 in each elevator. For this reason, the said function is realizable at low cost.
- the display position of one image can be set appropriately, the display position of the other image is easily set in relation to the one image. be able to. The same applies to the image display unit 15.
- the control device according to the present invention can be applied to an elevator having a function of detecting a car position at the end of a hoistway.
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Abstract
Description
特許文献1に記載のものでは、エレベーターのかごにカムスイッチを設置している。このカムスイッチは、昇降路の上端部或いは下端部にかごが進入すると動作し、かご位置に応じた信号を出力する。このため、例えば、主ロープと綱車との間に滑りが発生した場合でも、昇降路の終端部では、かご位置を確実に検出することができる。
In the thing of patent document 1, the cam switch is installed in the elevator car. This cam switch operates when a car enters the upper end or lower end of the hoistway, and outputs a signal corresponding to the car position. For this reason, for example, even when slip occurs between the main rope and the sheave, the car position can be reliably detected at the end of the hoistway.
図1はこの発明の実施の形態1におけるエレベーターの制御装置を示す構成図である。
図1において、1はエレベーターの昇降路、2はエレベーターのかご、3はつり合いおもりである。かご2及びつり合いおもり3は、主ロープ4により、昇降路1内で釣瓶式に懸架されている。 Embodiment 1 FIG.
FIG. 1 is a block diagram showing an elevator control apparatus according to Embodiment 1 of the present invention.
In FIG. 1, 1 is an elevator hoistway, 2 is an elevator car, and 3 is a counterweight. The
エンコーダ9は、綱車5の回転を検出するためのものである。エンコーダ9は、例えば、綱車5の軸に設置され、綱車5の回転方向及び回転角度に応じた信号を出力する The
The
A:終端階の高さからかご2を検知したい高さまでの距離
Δt1:位置検出回路12の演算遅れ
Δt2:制御回路13の演算遅れ
v:かご2の走行速度
である。画像書込み部19は、上記演算遅れΔt1及びΔt2も考慮して、例えば、上記式1で算出されたBの高さからAの高さまでの間に、位置情報を表す画像を表示させる。画像表示部14及び15に表示させる上記画像は、例えば、図2に示すバーコードのような簡単なもので良い。 here,
A: Distance from the height of the terminal floor to the height at which the
エレベーターの据付時、巻上機や画像表示部14及び15といった必要な機器を取り付けた後、画像書込み部19を制御盤10と画像表示部14及び15とに接続する。画像書込み部19は、画像表示部14及び15に、所定の位置情報を表す画像を表示させる。 A specific display setting method of the image is as shown in FIG.
At the time of installation of the elevator, after attaching necessary devices such as a hoisting machine and
2 かご
3 つり合いおもり
4 主ロープ
5 綱車
6 モータ
7 ガイドレール
8 制動装置
9 エンコーダ
10 制御盤
11、12 位置検出回路
13 制御回路
14、15 画像表示部
16 画像検出部
17、18 支持腕
19 画像書込み部 DESCRIPTION OF SYMBOLS 1
Claims (5)
- エレベーターの綱車の回転を検出するエンコーダと、
前記エンコーダの検出結果に基づいて、エレベーターのかごの現在位置を検出する第1位置検出手段と、
昇降路の終端部に設けられ、所定の位置情報を表す画像を表示する画像表示部と、
前記かごに設けられ、前記画像表示部に表示された画像を検出する画像検出部と、
前記画像検出部の検出結果に基づいて、前記かごの現在位置を検出する第2位置検出手段と、
前記第1位置検出手段及び前記第2位置検出手段によって検出されたかご位置に基づいて、前記画像表示部に表示された画像の位置を調整する画像書込み部と、
を備えたエレベーターの制御装置。 An encoder for detecting the rotation of the elevator sheave;
First position detecting means for detecting the current position of the elevator car based on the detection result of the encoder;
An image display unit provided at the end of the hoistway and displaying an image representing predetermined position information;
An image detection unit that is provided in the cage and detects an image displayed on the image display unit;
Second position detection means for detecting a current position of the car based on a detection result of the image detection unit;
An image writing unit for adjusting a position of an image displayed on the image display unit based on a car position detected by the first position detecting unit and the second position detecting unit;
Elevator control device. - 前記画像表示部は、画像を表示する部分が電子ペーパーからなり、電力が供給されなくても表示内容の保持が可能なことを特徴とする請求項1に記載のエレベーターの制御装置。 The elevator control device according to claim 1, wherein the image display unit is made of electronic paper in a portion for displaying an image, and the display content can be held even when power is not supplied.
- 前記第2位置検出手段によって検出されたかご位置に基づいて、前記かごの動作を変更する制御手段と、
を更に備え、
前記画像書込み部は、前記画像検出部が前記画像表示部に表示された画像を検出してから前記制御手段が前記かごの動作変更を開始するまでの時間の経過も考慮して、画像の位置調整を行うことを特徴とする請求項1又は請求項2に記載のエレベーターの制御装置。 Control means for changing the operation of the car based on the car position detected by the second position detecting means;
Further comprising
The image writing unit takes into account the passage of time from when the image detection unit detects an image displayed on the image display unit until the control unit starts changing the operation of the car. The elevator control device according to claim 1 or 2, wherein adjustment is performed. - エレベーターの綱車の回転を検出するエンコーダと、
前記エンコーダの検出結果に基づいて、エレベーターのかごの現在位置を検出する第1位置検出手段と、
昇降路の終端部に設けられ、所定の位置情報を表す画像を表示する画像表示部と、
前記かごに設けられ、前記画像表示部に表示された画像を検出する画像検出部と、
前記画像検出部の検出結果に基づいて、前記かごの現在位置を検出する第2位置検出手段と、
前記第1位置検出手段及び前記第2位置検出手段によって検出されたかご位置に基づいて、前記かごの動作を制御する制御手段と、
を備え、
前記画像表示部は、所定の機器が接続されることによって前記機器から画像の表示位置を変更することが可能であり、且つ、電力が供給されなくても表示内容の保持が可能なことを特徴とするエレベーターの制御装置。 An encoder for detecting the rotation of the elevator sheave;
First position detecting means for detecting the current position of the elevator car based on the detection result of the encoder;
An image display unit provided at the end of the hoistway and displaying an image representing predetermined position information;
An image detection unit that is provided in the cage and detects an image displayed on the image display unit;
Second position detecting means for detecting a current position of the car based on a detection result of the image detecting unit;
Control means for controlling the operation of the car based on the car position detected by the first position detecting means and the second position detecting means;
With
The image display unit can change a display position of an image from the device when a predetermined device is connected, and can hold display contents even when power is not supplied. Elevator control device. - 前記画像表示部は、画像を表示する部分が電子ペーパーからなることを特徴とする請求項4に記載のエレベーターの制御装置。 5. The elevator control device according to claim 4, wherein the image display unit includes an electronic paper for displaying an image.
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CN201180067980.1A CN103391894B (en) | 2011-03-16 | 2011-03-16 | Elevator control gear |
JP2013504451A JP5527475B2 (en) | 2011-03-16 | 2011-03-16 | Elevator control device |
PCT/JP2011/056174 WO2012124068A1 (en) | 2011-03-16 | 2011-03-16 | Elevator control device |
EP11861300.9A EP2687471B1 (en) | 2011-03-16 | 2011-03-16 | Elevator control device |
KR1020137026422A KR101502264B1 (en) | 2011-03-16 | 2011-03-16 | Elevator control device |
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JP2016003086A (en) * | 2014-06-13 | 2016-01-12 | 株式会社日立ビルシステム | Jig for operation confirmation of position detecting device |
CN111717738A (en) * | 2019-03-20 | 2020-09-29 | 东芝电梯株式会社 | Elevator system |
WO2021005658A1 (en) * | 2019-07-05 | 2021-01-14 | 三菱電機株式会社 | Elevator control system |
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TWI673229B (en) * | 2014-12-02 | 2019-10-01 | 瑞士商伊文修股份有限公司 | Method and system for determining the position of an elevator car and elevator system |
CN106698119A (en) * | 2017-03-07 | 2017-05-24 | 江苏西德电梯有限公司 | Intelligent elevator light-electricity switch based on two-dimensional code floor information |
EP3409629B2 (en) | 2017-06-01 | 2024-02-28 | Otis Elevator Company | Image analytics for elevator maintenance |
KR102187699B1 (en) | 2020-08-25 | 2020-12-07 | 주식회사 비티알수성 | Structure for installing encoder of driver for elevator |
KR102588672B1 (en) | 2021-12-30 | 2023-10-13 | (주)디 앤드 디 | Structure for installing encoders on both sides of the elevator |
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JP2016003086A (en) * | 2014-06-13 | 2016-01-12 | 株式会社日立ビルシステム | Jig for operation confirmation of position detecting device |
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Also Published As
Publication number | Publication date |
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CN103391894B (en) | 2015-08-19 |
EP2687471A4 (en) | 2014-11-19 |
KR101502264B1 (en) | 2015-03-12 |
EP2687471B1 (en) | 2015-09-09 |
EP2687471A1 (en) | 2014-01-22 |
KR20130143645A (en) | 2013-12-31 |
CN103391894A (en) | 2013-11-13 |
JP5527475B2 (en) | 2014-06-18 |
JPWO2012124068A1 (en) | 2014-07-17 |
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