JPS5925823Y2 - Hydraulic elevator operation and transportation - Google Patents

Hydraulic elevator operation and transportation

Info

Publication number
JPS5925823Y2
JPS5925823Y2 JP1977062950U JP6295077U JPS5925823Y2 JP S5925823 Y2 JPS5925823 Y2 JP S5925823Y2 JP 1977062950 U JP1977062950 U JP 1977062950U JP 6295077 U JP6295077 U JP 6295077U JP S5925823 Y2 JPS5925823 Y2 JP S5925823Y2
Authority
JP
Japan
Prior art keywords
car
relay
contact
circuit
call
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.)
Expired
Application number
JP1977062950U
Other languages
Japanese (ja)
Other versions
JPS53158072U (en
Inventor
篤 榎本
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP1977062950U priority Critical patent/JPS5925823Y2/en
Publication of JPS53158072U publication Critical patent/JPS53158072U/ja
Application granted granted Critical
Publication of JPS5925823Y2 publication Critical patent/JPS5925823Y2/en
Expired legal-status Critical Current

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  • Types And Forms Of Lifts (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Description

【考案の詳細な説明】 この考案は、油圧エレベータを運転する装置の改良に関
するものである。
[Detailed Description of the Invention] This invention relates to an improvement of a device for operating a hydraulic elevator.

油圧エレベータは、上昇運転時のみポンプ駆動用電動機
により圧油を油圧ジヤツキに送り、下降運転時はかご自
重により油圧ジヤツキから圧油をタンクに回収する方式
が一般的である。
Generally speaking, hydraulic elevators use a pump-driving electric motor to send pressure oil to a hydraulic jack only during ascending operation, and recover pressure oil from the hydraulic jack into a tank using the car's own weight during descending operation.

従来この方式において、ポンプの駆動用電動機の過電流
保護装置が作動すると、上昇運転中のかごは非常停止と
なる。
Conventionally, in this system, when the overcurrent protection device of the pump drive motor is activated, the car that is in upward operation comes to an emergency stop.

そのため、過電流保護装置が復帰するまで運転不能とな
り、この間乗客はかご内に閉じ込められることになる。
As a result, the car becomes inoperable until the overcurrent protection device is restored, and passengers are trapped inside the car during this time.

この考案は上記の欠点を解消するもので、上昇中のかご
が非常停止となったときでも、乗客の救出を可能にする
油圧エレベータの運転装置を提供することを目的とする
The purpose of this invention is to overcome the above-mentioned drawbacks and to provide a hydraulic elevator operating device that makes it possible to rescue passengers even when an ascending car comes to an emergency stop.

以下、図によってこの考案を3個所停止に適用した一実
施例について説明する。
An embodiment in which this invention is applied to stopping at three locations will be described below with reference to the drawings.

図中(+)、 (−)は直流電源、1はポンプ駆動用
電動機に過電流が流れたとき開放する過電流保護装置接
点、2は平常運転検出リレーで、2aはその常閉接点、
2b、2Cは同じく常開接点、3は下降運転指示リレー
で、3a、3bはその常開接点、4はかごか゛戸開可能
区間に停止したとき開放する戸開可能区間検出リレー接
点、5は方向決定回路、6は昇り方向決定リレーで、6
aはその常開接点7は同じく降り方向決定リレーで、7
aはその常開接点、8は減速指令リレーで、8aはその
常開接点、9,9aはかごの走行中閉成する走行リレー
接点10はかごが階の手前一定距離の点に達すると閉成
する減速位置検出リレー接点、11は付勢されるとポン
プ駆動用電動機を駆動するリレー、12は乗場昇り呼び
を登録する回路である。
In the figure, (+) and (-) are DC power supplies, 1 is an overcurrent protection device contact that opens when an overcurrent flows to the pump drive motor, 2 is a normal operation detection relay, and 2a is its normally closed contact.
2b and 2C are normally open contacts, 3 is a descending operation instruction relay, 3a and 3b are normally open contacts, 4 is a door-openable zone detection relay contact that opens when the car stops in a door-openable zone, and 5 is a relay contact for detecting a door-openable zone. Direction determining circuit, 6 is an ascending direction determining relay, 6
The normally open contact 7 of a is also the descending direction determining relay, and 7
8 is the normally open contact, 8 is the deceleration command relay, 8a is the normally open contact, and 9 and 9a are the traveling relay contacts 10 that close while the car is running, and close when the car reaches a point a certain distance before the floor. 11 is a relay that drives the pump drive motor when energized, and 12 is a circuit that registers a hall up call.

次にこの実施例の動作を説明する。Next, the operation of this embodiment will be explained.

平常時は過電流保護装置接点1は閉成しているので、平
常運転検出リレー2は付勢され、接点2aは開放し下降
運転指示リレー3は消勢され、接点3a、3bは開放し
ている。
In normal times, overcurrent protection device contact 1 is closed, so normal operation detection relay 2 is energized, contact 2a is opened, descending operation instruction relay 3 is deenergized, and contacts 3a and 3b are opened. There is.

また、接点2bは閉成している。Further, the contact 2b is closed.

接点2Cの閉成により、乗場昇り呼びの登録は可能であ
る。
By closing the contact point 2C, it is possible to register an up-hall call.

降り呼びについても同様である。The same applies to the call for descending.

今、かごは下方にあり、かご内で3階の呼びが登録され
たとする。
Assume that the car is currently at the bottom and a call for the third floor has been registered in the car.

二二で゛、(+)−5−2b−6−(’−)の回路によ
り、昇り方向決定リレー6は付勢され、接点6aは閉成
する。
At 22, the ascending direction determining relay 6 is energized by the (+)-5-2b-6-('-) circuit, and the contact 6a is closed.

これにより、ポンプ駆動用電動機用リレー11は付勢さ
れ、周知の回路によりポンプ駆動用電動機が回転し、圧
油が油圧ジヤツキへ送られ、かごは上昇運転する。
As a result, the pump drive motor relay 11 is energized, the pump drive motor is rotated by a well-known circuit, pressure oil is sent to the hydraulic jack, and the car is driven upward.

このとき、ポンプ駆動用電動機に過電流が流れ接点1が
開放すると、検出リレー2は消勢され、接点2bは開放
してリレー6は消勢され、接点6aは開放し、リレー1
1は消勢される。
At this time, when an overcurrent flows through the pump drive motor and contacts 1 open, detection relay 2 is deenergized, contact 2b is opened, relay 6 is deenergized, contact 6a is opened, and relay 1 is deenergized.
1 is deactivated.

このためポンプ駆動用電動機は停止してかごは非常停止
する。
Therefore, the pump driving electric motor stops and the car comes to an emergency stop.

接点2bの開放により上昇運転回路は切り放されるため
、もはやかごは上昇運転せず電動機の焼損は防止される
Since the lift operation circuit is disconnected by opening the contact point 2b, the car no longer operates in the lift operation, and burnout of the motor is prevented.

また、接点2aは閉成し、接点2Cは開放する。Further, the contact 2a is closed, and the contact 2C is opened.

このとき、かごが戸開可能区間外にあると、戸開可能区
間検出リレー接点4は閉成しているため、(+) −2
a−4−3−(−)の回路によって、指示リレー3は付
勢され、接点3aは閉成する。
At this time, if the car is outside the door-openable section, the door-openable section detection relay contact 4 is closed, so (+) -2
The instruction relay 3 is energized by the circuit a-4-3-(-), and the contact 3a is closed.

これにより、降り方向決定リレー7は付勢され、ソレノ
イド(図示しない)が動作して油圧ジヤツキの圧油を排
出してタンクに回収し、かごは周知の回路により下降運
転する。
As a result, the descending direction determining relay 7 is energized, a solenoid (not shown) is activated, and the pressure oil from the hydraulic jack is discharged and collected into the tank, and the car is operated in a descending manner using a well-known circuit.

また、接点3b及び接点7aは閉成する。Further, the contact 3b and the contact 7a are closed.

かごが下降して2階の手前一定距離の減速位置に達する
と、減速位置決定リレー接点10は閉成し、(−) −
3b−10−73−8−(−)の回路により減速指令リ
レー8は閉成し、接点8aは閉成する。
When the car descends and reaches the deceleration position a certain distance before the second floor, the deceleration position determination relay contact 10 closes (-) -
The deceleration command relay 8 is closed by the circuit 3b-10-73-8-(-), and the contact 8a is closed.

かごの下降中走行リレー接点9は閉成しているから、指
令リレー8は自己保持される。
Since the traveling relay contact 9 is closed during the descent of the car, the command relay 8 is self-held.

指令リレー8の付勢によりかごは減速して2階に停止す
る。
By energizing the command relay 8, the car decelerates and stops on the second floor.

かごが2階の戸開可能区間内に停止すると戸は開き、乗
客は2階に救出される。
When the car stops within the area where the door can be opened on the second floor, the door opens and the passengers are rescued to the second floor.

そして、かごが停止すると、走行リレー接点9aは開放
するので、以後乗場昇り呼び登録回路12は動作せず、
昇り呼びの登録は阻止される。
When the car stops, the traveling relay contact 9a is opened, so the hall up call registration circuit 12 does not operate from then on.
Registration of ascending calls is blocked.

通常かごが停止しているとき戸は閉じており、その階の
乗場ボタンが押されると、乗場呼び登録回路が動作して
戸は開くが、この場合は乗場昇り呼び登録回路12は動
作しないので、戸は開かず、2階の待客がかごに乗り込
むことはない。
Normally, when the car is stopped, the door is closed, and when the landing button for that floor is pressed, the landing call registration circuit operates and the door opens, but in this case, the landing call registration circuit 12 does not operate. , the door will not open, and customers waiting on the second floor will not get into the car.

また、検出リレー接点4は開放し、指示リレー3は消勢
され接点3aは開放し、リレー7は消勢し、接点7aは
開放する。
Further, the detection relay contact 4 is opened, the instruction relay 3 is deenergized and the contact 3a is opened, and the relay 7 is deenergized and the contact 7a is opened.

接点9も開放しているため、指令リレー8は消勢される
Since contact 9 is also open, command relay 8 is deenergized.

2階に停止後は(+)−5−7−(−)の回路でリレー
7は付勢可能になっており、1階まで下降運転可能とな
っている。
After stopping on the second floor, the relay 7 can be energized by the (+)-5-7-(-) circuit, and it is possible to descend to the first floor.

実施例では最寄りの下方階に停止させる方式としたが、
最下階に呼び寄せるようにしても、乗客救出の目的が達
せられることは明白で゛ある。
In the example, the system was used to stop at the nearest lower floor, but
It is clear that the purpose of rescuing passengers can be achieved even if the passengers are called to the bottom floor.

また、かご呼びボタンによる呼びリレーが作動している
ときのみ下降運転指令リレー3を付勢させて下降させる
ことも容易にできる。
Further, it is also possible to easily lower the car by energizing the lowering operation command relay 3 only when the call relay by the car call button is activated.

以上説明したとおりこの考案では、油圧エレベータの電
動機の過電流保護装置が動作したとき、上昇運転回路を
切り放して電動機を保護するとともに、下降運転回路を
形成してかごを下降させ、かごが停止した後乗場昇り呼
びの登録を阻止するようにしたので、乗客がかご内に閉
じ込められることを未然に防ぐとともに、待客がかごの
運転不能方向へ行こうとして乗り込むことを阻止するこ
とができる。
As explained above, in this invention, when the overcurrent protection device for the electric motor of a hydraulic elevator is activated, the ascending operation circuit is cut off to protect the motor, and the descending operation circuit is formed to lower the car and stop the car. Since the registration of a rear landing call is prevented, it is possible to prevent passengers from being trapped in the car, and to prevent waiting passengers from boarding the car in an attempt to go in a direction where the car cannot be operated.

【図面の簡単な説明】[Brief explanation of drawings]

図はこの考案による油圧エレベータの運転装置の一実施
例を示す回路図である。 1・・・・・・ポンプ駆動用電動機用過電流保護装置の
接点、2・・・・・・平常運転検出リレー、3・・・・
・・下降運転指示リレー、4・・・・・・戸開可能区間
検出リレー接点、5・・・・・・方向決定回路、6・・
・・・・昇り方向決定リレー、7・・・・・・降り方向
決定リレー 8・・・・・・減速指令リレー、9・・・
・・・走行リレー接点、10・・・・・・減速位置検出
リレー接点、11・・・・・・ポンプ駆動用電動機用リ
レー、12・・・・・・乗場昇り呼び登録回路。
The figure is a circuit diagram showing an embodiment of a hydraulic elevator operating system according to this invention. 1...Contact of overcurrent protection device for pump drive motor, 2...Normal operation detection relay, 3...
... Descending operation instruction relay, 4 ... Door opening possible section detection relay contact, 5 ... Direction determining circuit, 6 ...
...Ascending direction determination relay, 7...Descent direction determination relay 8...Deceleration command relay, 9...
...Traveling relay contact, 10...Deceleration position detection relay contact, 11...Pump drive electric motor relay, 12...Passway up call registration circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上昇運転時はポンプ駆動用電動機を駆動して圧油を油圧
ジヤツキに送ってかごを上昇させ、下降運転時は上記圧
油を上記油圧ジヤツキから排出して上記かごを自重で下
降させるものにおいて、上記電動機に過電流が流れたと
き動作して上記電動機を停止させる過電流保護装置、こ
の過電流保護装置が動作したとき上昇運転回路を切り放
し下降運転回路を形成する運転回路、及びこの運転回路
の動作により上記かごが下降運転して下方階に停止した
後乗場昇り呼びの登録を阻止する乗場昇り呼び登録阻止
回路を備えたことを特徴とする油圧エレベータの運転装
置。
During upward operation, the pump driving electric motor is driven to send pressure oil to a hydraulic jack to raise the car, and during downward operation, the pressure oil is discharged from the hydraulic jack and the car is lowered by its own weight, an overcurrent protection device that operates to stop the motor when an overcurrent flows through the motor; an operation circuit that disconnects the upward operation circuit to form a downward operation circuit when the overcurrent protection device operates; and An operating device for a hydraulic elevator, comprising a hall up call registration prevention circuit that prevents registration of a hall up call after the car operates downward and stops at a lower floor.
JP1977062950U 1977-05-17 1977-05-17 Hydraulic elevator operation and transportation Expired JPS5925823Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1977062950U JPS5925823Y2 (en) 1977-05-17 1977-05-17 Hydraulic elevator operation and transportation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977062950U JPS5925823Y2 (en) 1977-05-17 1977-05-17 Hydraulic elevator operation and transportation

Publications (2)

Publication Number Publication Date
JPS53158072U JPS53158072U (en) 1978-12-11
JPS5925823Y2 true JPS5925823Y2 (en) 1984-07-27

Family

ID=28965683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977062950U Expired JPS5925823Y2 (en) 1977-05-17 1977-05-17 Hydraulic elevator operation and transportation

Country Status (1)

Country Link
JP (1) JPS5925823Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499326U (en) * 1972-04-25 1974-01-26
JPS5193043A (en) * 1975-02-14 1976-08-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499326U (en) * 1972-04-25 1974-01-26
JPS5193043A (en) * 1975-02-14 1976-08-14

Also Published As

Publication number Publication date
JPS53158072U (en) 1978-12-11

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