JPH09169476A - Control device for operation of dumb waiter - Google Patents
Control device for operation of dumb waiterInfo
- Publication number
- JPH09169476A JPH09169476A JP7335302A JP33530295A JPH09169476A JP H09169476 A JPH09169476 A JP H09169476A JP 7335302 A JP7335302 A JP 7335302A JP 33530295 A JP33530295 A JP 33530295A JP H09169476 A JPH09169476 A JP H09169476A
- Authority
- JP
- Japan
- Prior art keywords
- floor
- door
- landing
- push button
- closed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Types And Forms Of Lifts (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Door Apparatuses (AREA)
- Elevator Control (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、ダムウェーター
の保守作業時における安全性を確保するためのダムウェ
ーターの運転制御装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation control device for a dam waiter for ensuring safety during maintenance work of the dam waiter.
【0002】[0002]
【従来の技術】図5は従来のダムウェーターを説明する
もので、1枚戸上開き乗場扉を裏から見た場合の概略図
である。図5において、1は乗場扉で、乗場扉1が全閉
した状態を示すのに対し、点線で示す乗場扉1aは全開
した状態を示している。2は乗場扉に設けられたカム3
によって作動する戸閉検出スイッチである。2. Description of the Related Art FIG. 5 illustrates a conventional dam waiter, and is a schematic view of a single-door open landing door as viewed from the back. In FIG. 5, reference numeral 1 denotes a hall door, which shows a state where the hall door 1 is fully closed, whereas a hall door 1a shown by a dotted line shows a state where the hall door 1a is fully opened. 2 is a cam 3 installed on the hall door
It is a door closing detection switch operated by.
【0003】また、図6はダムウェーターの制御回路を
説明するもので、標準的な2停止用ダムウェーターの場
合を示す回路図である。図6において、DS1とDS2
は1階と2階においてそれぞれ乗場扉1の全閉時に閉と
なる戸閉検出スイッチ2の接点、1F1と1F2は1階
に設けられた乗場の押釦で、かごが2階にあるとき1階
に呼び戻すための押釦とかごを2階に上昇運転させるた
めの押釦である。同様に、2F1と2F2は2階に設け
られた乗場の押釦で、かごを1階に下降運転させるため
の押釦とかごが1階にあるとき2階に呼び戻すための押
釦であり、これら押釦1F1と1F2及び2F1と2F
2は常開接点でなる。また、Y、Zはダムウェーターの
駆動モータ(図示せず)を駆動制御するためのリレーで
あり、XはリレーY、Zの電源供給路を制御するための
リレーである。FIG. 6 is a circuit diagram showing a control circuit of a dam waiter, showing a case of a standard two-stop dam waiter. In FIG. 6, DS1 and DS2
Is a contact point of the door closing detection switch 2 which is closed when the hall door 1 is fully closed on the first floor and the second floor, 1F1 and 1F2 are pushbuttons of the hall provided on the first floor, and when the car is on the second floor, the first floor A push button for returning to the car and a push button for raising the car to the second floor. Similarly, 2F1 and 2F2 are push-buttons for landing provided on the second floor, which are push-buttons for lowering the car to the first floor and push-buttons for returning to the second floor when the car is on the first floor. And 1F2 and 2F1 and 2F
2 is a normally open contact. Further, Y and Z are relays for driving and controlling a drive motor (not shown) of the dam waiter, and X is a relay for controlling power supply paths of the relays Y and Z.
【0004】次に動作について説明する。今、ダムウェ
ーターのかごが2階にあり、1階及び2階の乗場扉1が
全閉している状態を想定する。この場合、図6におい
て、接点DS1、DS2が閉となり、これによって、リ
レーXが付勢制御され、その接点X1が閉となる。この
接点X1の閉により、リレーY、Zは電源供給可能な状
態になっている。この状態で、保守作業者が押釦1F1
を押すと、リレーZが付勢されると共にその接点Z1が
閉成して自己保持回路が形成される。その結果、図示し
ないダムウェーターの駆動モータが駆動制御されて、ダ
ムウェーターのかごが動く。また、同様に、押釦2F2
を押すと、リレーYが付勢され、その接点Y1が閉とな
って自己保持回路が形成され、ダムウェーターが動く。Next, the operation will be described. Now, assume that the car of the dam waiter is on the second floor and the hall doors 1 on the first and second floors are fully closed. In this case, in FIG. 6, the contacts DS1 and DS2 are closed, whereby the relay X is energized and controlled, and the contact X1 is closed. By closing the contact X1, the relays Y and Z are in a state in which power can be supplied. In this state, the maintenance worker pushes the push button 1F1.
When is pressed, the relay Z is energized and its contact Z1 is closed to form a self-holding circuit. As a result, the drive motor of the dam waiter (not shown) is drive-controlled, and the cage of the dam waiter moves. Similarly, push button 2F2
When is pressed, the relay Y is energized, its contact Y1 is closed, a self-holding circuit is formed, and the dam waiter moves.
【0005】[0005]
【発明が解決しようとする課題】ところで、図6に示す
回路図において、戸閉検出スイッチ2の接点DS1、D
S2が閉になる乗場扉1の全閉時には、乗場押釦1F1
と1F2及び2F1と2F2は常時有効な状態にある。
例えば、今、作業者が1階の乗場扉を開けて作業してい
る時、1階の扉周囲の点検で作業者により接点DS1を
閉じると、リレーXが付勢され、その接点X1が閉とな
る結果、別の作業者により2階の乗場押釦2F1と2F
2を押すことによる2階からの運転が可能な状態とな
る。従って、作業中、戸閉検出スイッチ2が閉になる
と、リレーXが付勢し、どの階からでも運転ができるこ
とになるため、作業者は他の階からの運転に十分気を付
ける必要があった。By the way, in the circuit diagram shown in FIG. 6, the contacts DS1 and D of the door closing detection switch 2 are connected.
When S2 is closed and the hall door 1 is fully closed, the hall push button 1F1
And 1F2 and 2F1 and 2F2 are always valid.
For example, when the worker is now working by opening the landing door on the first floor, if the worker closes the contact DS1 in the inspection around the door on the first floor, the relay X is energized and the contact X1 is closed. As a result, another worker will push the landing pushbuttons 2F1 and 2F on the second floor.
By pressing 2, you can drive from the second floor. Therefore, during the work, when the door close detection switch 2 is closed, the relay X is energized and the driver can operate from any floor. Therefore, the worker needs to be careful about driving from other floors. It was
【0006】この発明は上述した問題点に鑑みてなされ
たもので、ダムウェーターでの作業時に作業者以外の人
により乗場押釦が操作されて運転されるのを防止するこ
とができるダムウエーターの運転制御装置を得ることを
目的とする。The present invention has been made in view of the above-mentioned problems, and at the time of working with a dam waiter, it is possible to prevent the landing push button from being operated by a person other than the operator and operating the dam waiter. The purpose is to obtain the device.
【0007】[0007]
【課題を解決するための手段】この発明に係るダムウエ
ーターの運転制御装置は、階床毎の乗場扉の全閉時に任
意の階床からの乗場押釦による操作に基づいてかごを運
転制御するようにしたダムウェーターの運転制御装置に
おいて、各階床の乗場に乗場扉の戸開を認知する戸開認
知スイッチを設けると共に、任意の階床の戸開認知スイ
ッチによる戸開認知時に他の階床からの乗場押釦による
かごの運転制御を阻止する制御回路を備えたことを特徴
とするものである。また、各階床の乗場扉の戸開状態を
示す報知手段を備え、この報知手段は、戸開した階床以
外の乗場扉が開いていないことを報知することを特徴と
するものである。SUMMARY OF THE INVENTION An operation control device for a dam waiter according to the present invention controls the operation of a car based on an operation by a landing push button from an arbitrary floor when the landing door for each floor is fully closed. In the operation control device of the dam waiter, the door opening recognition switch for recognizing the door opening of the hall door is installed in the hall on each floor, and when the door opening is recognized by the door opening recognition switch of any floor It is characterized in that a control circuit for preventing the operation control of the car by the landing push button is provided. Further, it is characterized in that it is provided with notifying means for indicating a door open state of the landing door of each floor, and the notifying means is for notifying that the hall doors other than the floor where the door is open are not open.
【0008】[0008]
実施の形態1.図1はこの発明の実施の形態1を説明す
る為の乗場扉を裏から見た場合の構成図である。図1に
おいて、1は全閉した状態の乗場扉、2は乗場扉に設け
られたカム3によって作動する戸閉検出スイッチ、4は
戸開認知スイッチ、5は戸開認知スイッチ4を動作させ
る為の乗場扉に設けられたカムを示す。Embodiment 1 FIG. First Embodiment FIG. 1 is a configuration diagram when a landing door is viewed from the back for explaining a first embodiment of the present invention. In FIG. 1, 1 is a fully closed hall door, 2 is a door close detection switch operated by a cam 3 provided on the hall door, 4 is a door open recognition switch, 5 is for operating a door open recognition switch 4. The cam installed on the landing door of is shown.
【0009】また、図2は実施の形態1に係る制御回路
の回路図である。図2において、1DAと2DAはそれ
ぞれ1階と2階の戸開認知スイッチ4の接点で、乗場扉
1が少しでも開いた時から全開までカム5により閉とな
る接点を示し、これら接点1DAと2DAの閉成時にそ
れぞれリレー1Dと2Dが付勢される。また、1D1と
1D2はリレー1Dが付勢した時に開となる常閉接点、
同様に、2D1と2D2はリレー2Dが付勢した時に開
となる常閉接点である。FIG. 2 is a circuit diagram of the control circuit according to the first embodiment. In FIG. 2, 1DA and 2DA are contacts of the door opening recognition switch 4 on the first floor and the second floor, respectively, and show contacts that are closed by the cam 5 from the time when the hall door 1 is opened to the full open, and these contacts 1DA and When 2DA is closed, relays 1D and 2D are energized respectively. Also, 1D1 and 1D2 are normally closed contacts that open when the relay 1D is energized,
Similarly, 2D1 and 2D2 are normally closed contacts that open when the relay 2D is energized.
【0010】さらに、図3はn階床停止用に拡張した場
合のダムウェーターの乗場扉の戸開状態を示すための報
知装置を示す回路図である。図3において、(n−1)
DA、(n)DAは接点1DA、2DAと同様な(n−
1)階、(n)階の戸開認知スイッチ4の接点、(n−
1)D、(n)Dはリレー1D、2Dと同様なリレー、
2D1〜(n)D1、・・・、1Dn 〜(n−1)Dn
はリレー1D〜(n)Dの常閉接点、1F、2F、・・
・、(n−1)F、(n)Fは1、2、・・・、(n−
1)、(n)階の戸開を確認するためのリレーで、これ
らリレーは付勢されることにより戸開した階以外の扉が
開いていないことを確認することができるようになされ
ている。Further, FIG. 3 is a circuit diagram showing an informing device for showing a door open state of the landing door of the dam waiter when it is expanded to stop the nth floor. In FIG. 3, (n-1)
DA and (n) DA are the same as the contacts 1DA and 2DA (n-
1) floor, contact point of door open recognition switch 4 on (n) floor, (n-
1) D and (n) D are relays similar to relays 1D and 2D,
2D1 to (n) D1, ..., 1Dn to (n-1) Dn
Are normally closed contacts of relays 1D to (n) D, 1F, 2F, ...
., (N-1) F, (n) F are 1, 2, ..., (n-
1), (n) Relays for confirming the opening of the floors. By activating these relays, it is possible to confirm that the doors other than the floors that have opened are not open. .
【0011】次に動作について説明する。図2におい
て、例えば、1階の乗場扉を開くと、戸開認知スイッチ
4の接点1DAが閉となってリレー1Dが付勢され、そ
の接点1D1と1D2は開く。その結果、2階の押釦接
点2F2と2F1が押されて閉となってもダムウェータ
ーのモータ駆動するためのリレーYとZは付勢不可能な
状態になる。すなわち、他階の押釦が利かなくなる状態
になり、作業者以外の人が他階からの運転が出来なくな
る。Next, the operation will be described. In FIG. 2, for example, when the hall door on the first floor is opened, the contact 1DA of the door opening recognition switch 4 is closed and the relay 1D is energized, and the contacts 1D1 and 1D2 are opened. As a result, even if the push button contacts 2F2 and 2F1 on the second floor are pushed and closed, the relays Y and Z for driving the motor of the dam waiter cannot be energized. That is, the push button on the other floor becomes ineffective, and a person other than the worker cannot drive from the other floor.
【0012】このような状態で、従来と同様に、保守作
業者が押釦1F1または1F2を押すと、リレーZまた
はYが付勢されると共にその接点Z1またはY1が閉成
して自己保持回路が形成される。その結果、図示しない
ダムウェーターの駆動モータが駆動制御されて、ダムウ
ェーターのかごが動く。すなわち、作業者の作業階であ
る1階での運転のみ確保できる。In this state, when the maintenance worker pushes the push button 1F1 or 1F2 in the same manner as in the conventional case, the relay Z or Y is energized and the contact Z1 or Y1 is closed to open the self-holding circuit. It is formed. As a result, the drive motor of the dam waiter (not shown) is drive-controlled, and the cage of the dam waiter moves. That is, it is possible to secure only the operation on the first floor, which is the working floor of the worker.
【0013】また、この場合、1階の乗場扉を開くこと
により、図3において、リレー1Dが付勢され、その接
点1D2、・・・、1D(n−1)、1Dnが開き、他
のリレー2D、・・・、(n−1)D、(n)Dは付勢
されなく、それらの接点2D1、・・・、(n−1)D
1、(n)D1は閉成状態を維持しているので、その結
果、戸開した1階に対応するリレー1Fのみが付勢さ
れ、戸開した階以外の階に対応するリレー2F、・・
・、(n−1)F、(n)Fは付勢されない。したがっ
て、これらリレー1F、2F、・・・、(n−1)F、
(n)Fの付勢により、例えば表示器等を表示制御する
ようにすることにより、戸開した階以外の乗場扉が開い
ていないことを確認することができることになる。Further, in this case, by opening the landing door on the first floor, the relay 1D is urged in FIG. 3, and its contacts 1D2, ..., 1D (n-1), 1Dn are opened, and other contacts are opened. The relays 2D, ..., (n-1) D, (n) D are not energized and their contacts 2D1 ,.
1, (n) D1 maintains the closed state, and as a result, only the relay 1F corresponding to the first floor where the door is opened is energized, and the relays 2F corresponding to the floors other than the floor where the door is opened are ...・
., (N-1) F, (n) F are not energized. Therefore, these relays 1F, 2F, ..., (n-1) F,
It is possible to confirm that the hall doors other than the floor where the door is open are not opened by controlling the display of the display device or the like by the force of (n) F.
【0014】上述したしたように、上記実施の形態1に
よれば、作業者が1階の扉を開くと、戸開認知スイッチ
4の接点1DAが閉、リレー1Dの接点1D1と1D2
が開となり、2階の押釦が利かなくなり、作業者以外の
人が他階からの運転が出来なくなる。従って、作業者が
作業中に戸閉検出スイッチを閉にしても、他階から運転
が出来なくすることができる。As described above, according to the first embodiment, when the worker opens the door on the first floor, the contact 1DA of the door open recognition switch 4 is closed and the contacts 1D1 and 1D2 of the relay 1D are closed.
Opens, and the push button on the second floor becomes ineffective, and people other than the worker cannot drive from the other floor. Therefore, even if the worker closes the door close detection switch during work, it is possible to prevent operation from another floor.
【0015】実施の形態2.次に、図4は実施の形態2
に係る乗場扉の構成図である。この実施の形態2では、
戸閉検出スイッチ2を動作させるカム3を戸開認知スイ
ッチ4用のカムと兼用するようにしたもので、戸開認知
構成を簡略化することができる。Embodiment 2 Next, FIG. 4 shows the second embodiment.
It is a block diagram of the hall door which concerns on. In the second embodiment,
Since the cam 3 for operating the door close detection switch 2 is also used as the cam for the door open recognition switch 4, the door open recognition configuration can be simplified.
【0016】[0016]
【発明の効果】以上のように、この発明によれば、階床
毎の乗場扉の全閉時に任意の階床からの乗場押釦による
操作に基づいてかごを運転制御するようにしたダムウェ
ーターの運転制御装置において、各階床の乗場に乗場扉
の戸開を認知する戸開認知スイッチを設けると共に、任
意の階床の戸開認知スイッチによる戸開認知時に他の階
床からの乗場押釦によるかごの運転制御を阻止する制御
回路を備えたので、ダムウェーターでの作業時に作業者
以外の人により乗場押釦が操作されて運転されるのを防
止することができるという効果がある。また、各階床の
乗場扉の戸開状態を示す報知手段を備え、この報知手段
により、戸開した階床以外の乗場扉が開いていないこと
を報知することにより、作業者が他の階床の戸開状態を
知ることができ、安心して作業を行うことができるとい
う効果がある。As described above, according to the present invention, when the landing doors for each floor are fully closed, the operation of the dam waiter is controlled based on the operation by the landing push button from any floor. In the control device, a door opening recognition switch that recognizes the opening of the hall door is installed in the hall of each floor, and when the door opening is recognized by the door opening recognition switch of any floor, the cage push button from other floors Since the control circuit for preventing the operation control is provided, there is an effect that it is possible to prevent the hall push button from being operated by a person other than the operator when operating the dam waiter. In addition, each floor is provided with a notification means for indicating the door open state of the landing door, and by this notification means, by notifying that the landing doors other than the floor that has been opened are not open, the worker can There is an effect that it is possible to know the open state of the door and to work with peace of mind.
【図1】 この発明の実施の形態1に係る戸開認知スイ
ッチの取付を示す構成図である。FIG. 1 is a configuration diagram showing attachment of a door opening recognition switch according to a first embodiment of the present invention.
【図2】 実施の形態1に係る制御回路の回路図であ
る。FIG. 2 is a circuit diagram of a control circuit according to the first embodiment.
【図3】 実施の形態1に係る報知装置の回路図であ
る。FIG. 3 is a circuit diagram of the notification device according to the first embodiment.
【図4】 実施の形態2に係る戸開認知スイッチの取付
を示す構成図である。FIG. 4 is a configuration diagram showing attachment of a door opening recognition switch according to a second embodiment.
【図5】 従来のダムウェーター乗場扉の構成図であ
る。FIG. 5 is a configuration diagram of a conventional dam waiter landing door.
【図6】 従来のダムウェーターの制御回路の回路図で
ある。FIG. 6 is a circuit diagram of a control circuit of a conventional dam waiter.
1、1a 乗場扉、2 戸閉検出スイッチ、3 戸閉検
出スイッチ用のカム、4 戸開認知スイッチ、5 戸開
認知スイッチ用のカム、DS1 1階の戸閉検出スイッ
チの接点、DS2 2階の戸閉検出スイッチの接点、
X,Y,Z リレー、X1 Xリレーの接点、Y1 Yリ
レーの接点、Z1 Zリレーの接点、2F1,2F2
2階の押釦接点、1F1,1F2 1階の押釦接点、1
DA〜(n)DA 1〜(n)階の戸開認知スイッチの
接点、1D〜(n)D リレー、1D1〜(n)D1・
・・1Dn〜(n−1)Dn 1D〜(n)Dのリレーの
接点、1F〜(n)F 戸開した1階〜(n)階に対応
する階以外の乗場扉が開いていないことを確認するリレ
ー。1, 1a Landing door, 2 Door closing detection switch, 3 Door closing detection switch cam, 4 Door opening recognition switch, 5 Door opening recognition switch cam, DS1 1st floor door closing detection switch contact, DS2 2nd floor Door close detection switch contact,
X, Y, Z relay, X1 X relay contact, Y1 Y relay contact, Z1 Z relay contact, 2F1, 2F2
2nd floor push button contacts, 1F1, 1F2 1st floor push button contacts, 1
DA to (n) DA 1 to (n) floor contact switch contacts, 1D to (n) D relay, 1D 1 to (n) D1.
..1Dn to (n-1) Dn 1D to (n) D relay contacts, 1F to (n) F Doors other than the floors corresponding to the first floor to (n) floor that are open must not be open Check the relay.
Claims (2)
らの乗場押釦による操作に基づいてかごを運転制御する
ようにしたダムウェーターの運転制御装置において、各
階床の乗場に乗場扉の戸開を認知する戸開認知スイッチ
を設けると共に、任意の階床の戸開認知スイッチによる
戸開認知時に他の階床からの乗場押釦によるかごの運転
制御を阻止する制御回路を備えたことを特徴とするダム
ウェーターの運転制御装置。1. An operation control device for a dam waiter configured to control the operation of a car based on the operation of a floor push button from an arbitrary floor when the floor doors for each floor are fully closed. In addition to providing a door open recognition switch that recognizes the opening of the door, a control circuit that blocks the operation control of the car by the push button from the other floor when the door open is recognized by the door open recognition switch of any floor Operation control device for dam waiters.
御装置において、各階床の乗場扉の戸開状態を示す報知
手段を備え、この報知手段は、戸開した階床以外の乗場
扉が開いていないことを報知することを特徴とするダム
ウェーターの運転制御装置。2. The operation control device for a dam waiter according to claim 1, further comprising notifying means for indicating a door open state of a landing door on each floor, wherein the notifying means is provided when a landing door other than the floor where the door is opened is open. An operation control device for a dam waiter characterized by notifying that there is not any.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7335302A JPH09169476A (en) | 1995-12-22 | 1995-12-22 | Control device for operation of dumb waiter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7335302A JPH09169476A (en) | 1995-12-22 | 1995-12-22 | Control device for operation of dumb waiter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09169476A true JPH09169476A (en) | 1997-06-30 |
Family
ID=18287007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7335302A Pending JPH09169476A (en) | 1995-12-22 | 1995-12-22 | Control device for operation of dumb waiter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09169476A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108861985A (en) * | 2018-07-25 | 2018-11-23 | 深圳万发创新进出口贸易有限公司 | A kind of elevator door-motor operating status intelligent monitor system |
CN109789990A (en) * | 2016-10-04 | 2019-05-21 | 三菱电机株式会社 | Elevator control gear and autonomous member control apparatus |
CN113682925A (en) * | 2021-08-27 | 2021-11-23 | 日立电梯(中国)有限公司 | Device for realizing UCMP function and transformation method |
-
1995
- 1995-12-22 JP JP7335302A patent/JPH09169476A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109789990A (en) * | 2016-10-04 | 2019-05-21 | 三菱电机株式会社 | Elevator control gear and autonomous member control apparatus |
CN109789990B (en) * | 2016-10-04 | 2020-12-15 | 三菱电机株式会社 | Autonomous moving body control device |
CN108861985A (en) * | 2018-07-25 | 2018-11-23 | 深圳万发创新进出口贸易有限公司 | A kind of elevator door-motor operating status intelligent monitor system |
CN108861985B (en) * | 2018-07-25 | 2020-10-27 | 苏州施耐德电梯有限公司 | Intelligent monitoring system for running state of elevator door motor |
CN113682925A (en) * | 2021-08-27 | 2021-11-23 | 日立电梯(中国)有限公司 | Device for realizing UCMP function and transformation method |
CN113682925B (en) * | 2021-08-27 | 2023-03-07 | 日立电梯(中国)有限公司 | Device for realizing UCMP function and transformation method |
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