JPS606071Y2 - passenger conveyor control device - Google Patents
passenger conveyor control deviceInfo
- Publication number
- JPS606071Y2 JPS606071Y2 JP2924278U JP2924278U JPS606071Y2 JP S606071 Y2 JPS606071 Y2 JP S606071Y2 JP 2924278 U JP2924278 U JP 2924278U JP 2924278 U JP2924278 U JP 2924278U JP S606071 Y2 JPS606071 Y2 JP S606071Y2
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic
- brake
- passenger conveyor
- electric motor
- control device
- 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
Links
Landscapes
- Escalators And Moving Walkways (AREA)
- Connection Of Plates (AREA)
Description
【考案の詳細な説明】
この考案はエスカレータ、移動通路等の乗客コンベヤを
制御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 in a device for controlling passenger conveyors such as escalators and moving aisles.
乗客コンベヤは周知のように電動機によって駆動される
が、この電動機は上り用または下り用の電磁接触器（以
下第１の電磁接触器という）の接点によって駆動される
。As is well known, the passenger conveyor is driven by an electric motor, which is driven by the contacts of an upstream or downstream magnetic contactor (hereinafter referred to as a first magnetic contactor).
そして安全性を高めるため、上記第１の電磁接触器の外
に別の第２の電磁接触器を用い、両方の電磁接触器の接
点がともに閉成したときだけ電動機の起動を可能にする
ようにしである。In order to increase safety, a second magnetic contactor is used in addition to the first magnetic contactor, so that the motor can only be started when the contacts of both magnetic contactors are closed. It's Nishide.
しかし、保守時等に電磁接触器を点検するとき、電源し
ゃ断器をしゃ断するのを失念することもまれにあるが、
このとき、第１の電磁接触器を手で動作させたりすると
、その接点の閉成により第２の電磁接触器も動作し、保
守員にとって不意の起動となり大変危険である。However, when inspecting the electromagnetic contactor during maintenance etc., it is rare that people forget to turn off the power breaker.
At this time, if the first electromagnetic contactor is operated by hand, the second electromagnetic contactor will also operate due to the closing of its contacts, causing an unexpected start-up, which is very dangerous for maintenance personnel.
この考案は上記不具合を改良するもので、保守時電磁接
触器の一方を動作させても電動機が起動せず、保守員の
安全を保つようにした乗客コンベヤの制御装置を提供す
ることを目的とする。The purpose of this invention is to improve the above-mentioned problems, and to provide a control device for a passenger conveyor that does not start the electric motor even if one of the electromagnetic contactors is operated during maintenance, thereby maintaining the safety of maintenance personnel. do.
以下、第１図および第２図によりこの考案の一実施例を
説明する。An embodiment of this invention will be described below with reference to FIGS. 1 and 2.
図中、Ｒ，Ｓ、 Ｔは三相交流電源、Ｒ１，Ｓｌは交流
制御電源、（＋）、 （−）は直流電源、１は電源用し
ゃ断器、２は乗客コンベヤ（図示しない）を駆動する誘
導電動機、３は制御回路用スイッチ、４はヒユーズ、５
は安全スイッチ群、６は自動復帰形の上り起動用スイッ
チ、７は同じく下り起動用スイッチ、８は第１（上り用
）の電磁接触器で、８ａ〜８ｅはその常開接点、８ｆは
同じく常閉接点、９も第１（下り用）の電磁接触器で、
９ａ〜９ｅはその常開接点、９ｆは同じく常閉接点、１
０は第２の電磁接触器で、ｌｅａ〜１０ｃはその常開接
点、１１は付勢されると電磁ブレーキ（図示しない）が
開放して電動機２を解放する電磁ブレーキコイルで、こ
のブレーキコイルが消勢されると電磁ブレーキは閉成し
て電動機２は拘束される。In the figure, R, S, and T are three-phase AC power supplies, R1, and Sl are AC control power supplies, (+) and (-) are DC power supplies, 1 is a power supply breaker, and 2 drives a passenger conveyor (not shown). 3 is a control circuit switch, 4 is a fuse, 5
is a group of safety switches, 6 is an automatic return type upward start switch, 7 is also a downward start switch, 8 is a first (upward) electromagnetic contactor, 8a to 8e are its normally open contacts, and 8f is the same Normally closed contact, 9 is also the first (downward) magnetic contactor,
9a to 9e are normally open contacts, 9f is also a normally closed contact, 1
0 is the second electromagnetic contactor, lea to 10c are its normally open contacts, and 11 is an electromagnetic brake coil that opens the electromagnetic brake (not shown) and releases the motor 2 when energized; When deenergized, the electromagnetic brake is closed and the electric motor 2 is restrained.
１２は上記電磁ブレーキが閉成しているとき開放してお
り電磁ブレーキが開放すると閉成するブレーキ接点であ
る。A brake contact 12 is open when the electromagnetic brake is closed and closed when the electromagnetic brake is released.
次に、この実施例の動作を説明する。Next, the operation of this embodiment will be explained.
今、電源用しゃ断器１および制御回路用スイッチ３は閉
成されているものとする。It is now assumed that the power supply breaker 1 and the control circuit switch 3 are closed.
上り起動用スイッチ６を閉成すると、Ｒ□−５−６−９
ｆ−８−３□の回路により、第１（上り）の電磁接触器
８は付勢され、接点８ａ〜８ｅは閉成し、接点８ｆは開
放する。When the upstream start switch 6 is closed, R□-5-6-9
The first (upward) electromagnetic contactor 8 is energized by the circuit f-8-3□, contacts 8a to 8e are closed, and contact 8f is opened.
接点８ｄの閉成により、第２の電磁接触器１０も付勢さ
れ、接点１０ａ〜１０ｃは閉成する。By closing the contact 8d, the second electromagnetic contactor 10 is also energized, and the contacts 10a to 10c are closed.
これで、電動機２は電源Ｒ，Ｓ、Ｔに接続される。The electric motor 2 is now connected to the power sources R, S, and T.
一方、接点８ｅ、１０Ｃの閉成により、電磁ブレーキコ
イル１１は付勢される。On the other hand, the electromagnetic brake coil 11 is energized by closing the contacts 8e and 10C.
これにより、電磁ブレーキは開放され、電動機２は解放
されて回転し、乗客コンベヤは運転を開始する。As a result, the electromagnetic brake is released, the electric motor 2 is released and rotates, and the passenger conveyor starts operating.
電磁ブレーキの開放によりブレーキ接点１２は閉成し、
Ｒ１５１２８Ｃ９ｆ ８−３□およびＲ＋５−１２−
８ｃｍ９ｆ−８ｄ−１０−３１の回路により、第１（上
り用）の電磁接触器８および第２の電磁接触器１０は自
己保持される。When the electromagnetic brake is released, the brake contact 12 is closed.
R15128C9f 8-3□ and R+5-12-
The first (upward) electromagnetic contactor 8 and the second electromagnetic contactor 10 are self-maintained by the 8cm9f-8d-10-31 circuit.
停止については説明を省略する。A description of the stop will be omitted.
次に、保守中に電源用しゃ断器１をしゃ断しないで、第
１（上り用）の電磁接触器８を手で動作させ、接点８ｃ
、８ｄを閉成させたとしても、ブレーキ接点１２は開放
しているから、第２の電磁接触器１０は付勢されず、電
動機２は起動しない。Next, without interrupting the power supply breaker 1 during maintenance, operate the first (upstream) electromagnetic contactor 8 by hand, and contact 8c
, 8d are closed, the brake contact 12 is open, so the second electromagnetic contactor 10 is not energized and the electric motor 2 is not started.
したがって、不意の起動は阻止される。なお、上記の場
合、第２の電磁接触器１０の方を手で動作させた場合も
同様に説明できる。Therefore, unexpected activation is prevented. In addition, in the above case, the same explanation can be given when the second electromagnetic contactor 10 is operated by hand.
また、下り運転の場合も同様である。The same applies to downhill driving.
以上説明したとおりこの考案は、安全性を高めるため第
１の電磁接触器と、これとは別の第２電磁接触器の両方
の接点がともに閉成したときだけ電動機の起動を可能に
した制御装置に対して電磁ブレーキが電動機を解放した
とき動作するブレーキ接点を用い、このブレーキ接点が
動作した後に第１および第２の電磁接触器の動作を保持
するようにしたので、保守生薬１または第２の電磁接触
器を手で動作させたとしても電動機の起動を阻止するこ
とができ、不意の起動による保守員の危険を未然に防止
することができる。As explained above, in order to improve safety, this invention uses a control system that allows the motor to start only when both contacts of the first electromagnetic contactor and the second electromagnetic contactor are closed. A brake contact that operates when the electromagnetic brake releases the electric motor is used for the device, and after this brake contact operates, the operation of the first and second electromagnetic contactors is maintained, so that maintenance herbal medicine 1 or Even if the electromagnetic contactor No. 2 is operated manually, it is possible to prevent the motor from starting, and it is possible to prevent maintenance personnel from being in danger due to unexpected start-up.
第１図および第２図はこの考案による乗客コンベヤの制
御装置の一実施例を示す回路図である。
２・・・・・・誘導電動機、８・・・・・・第１（上り
用）の電磁接触器、９・・・・・・第１（下り用）の電
磁接触器、１０・・・・・・第２の電磁接触器、１１・
・・・・・電磁ブレーキコイル、１２・・・・・・ブレ
ーキ接点。FIGS. 1 and 2 are circuit diagrams showing an embodiment of a passenger conveyor control device according to this invention. 2... Induction motor, 8... First (upward) electromagnetic contactor, 9... First (downward) electromagnetic contactor, 10... ...Second electromagnetic contactor, 11.
...Electromagnetic brake coil, 12...Brake contact.
Claims (1)
み上記電動機を電源に接続する第１および第２の電磁接
触器、上記電動機を解放しまたは拘束する電磁ブレーキ
、この電磁ブレーキが上記電動機を解放したとき動作す
るブレーキ接点、このブレーキ接点が動作した後に上記
第１および第２の電磁接触器の動作を保持する回路を備
えてなる乗客コンベヤの制御装置。an electric motor driving the passenger conveyor, first and second electromagnetic contactors connecting the electric motor to a power source only when both are activated, an electromagnetic brake releasing or restraining the electric motor, the electromagnetic brake releasing the electric motor; A control device for a passenger conveyor, comprising: a brake contact that operates when the brake contact operates; and a circuit that maintains operation of the first and second electromagnetic contactors after the brake contact operates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2924278U JPS606071Y2 (en) | 1978-03-08 | 1978-03-08 | passenger conveyor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2924278U JPS606071Y2 (en) | 1978-03-08 | 1978-03-08 | passenger conveyor control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54133593U JPS54133593U (en) | 1979-09-17 |
| JPS606071Y2 true JPS606071Y2 (en) | 1985-02-25 |
Family
ID=28876682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2924278U Expired JPS606071Y2 (en) | 1978-03-08 | 1978-03-08 | passenger conveyor control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS606071Y2 (en) |
-
1978
- 1978-03-08 JP JP2924278U patent/JPS606071Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54133593U (en) | 1979-09-17 |
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