JP4617980B2 - Vehicle door device - Google Patents

Vehicle door device Download PDF

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JP4617980B2
JP4617980B2 JP2005119397A JP2005119397A JP4617980B2 JP 4617980 B2 JP4617980 B2 JP 4617980B2 JP 2005119397 A JP2005119397 A JP 2005119397A JP 2005119397 A JP2005119397 A JP 2005119397A JP 4617980 B2 JP4617980 B2 JP 4617980B2
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door
permanent magnet
synchronous motor
magnet type
power
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JP2006299549A (en
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芳信 佐藤
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Fuji Electric Co Ltd
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Fuji Electric Systems Co Ltd
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Description

この発明は、永久磁石形同期電動機で駆動される引戸式のドアを有する車両用ドア装置に関する。   The present invention relates to a vehicle door device having a sliding door type door driven by a permanent magnet type synchronous motor.

車両ドアは運行中には絶対に開いてはならないが、非常時には手動で容易に開く必要がある。そのため、従来一般に車両用ドア装置には、ドア閉止状態でドアを機械的にロックする鎖錠装置が設けられる一方、非常時には手動操作により鎖錠装置を解錠する手動解錠装置が設けられている。この種の車両用ドア装置については、例えば特許文献１に記載されている。
特開２００３−２３７５６８号公報 The vehicle door must never be opened during operation, but it must be easily opened manually in case of emergency. Therefore, in general, a door device for a vehicle is generally provided with a locking device that mechanically locks the door when the door is closed, while a manual unlocking device that unlocks the locking device by manual operation is provided in an emergency. Yes. This type of vehicle door device is described in Patent Document 1, for example.
JP 2003-237568 A

ところで、従来、車両のドア駆動モータとして永久磁石形同期電動機を用い、この永久磁石形同期電動機に電力変換器（インバータ）から可変周波数の電力を供給してドアの開閉及び速度制御を行うものがある。その場合、手動解錠装置でドアロックを解錠してドアを手動で動かそうとすると、永久磁石形同期電動機が発電機となり、それとつながっている電力変換器や電源に対し電力を回生する発電制動がかかる。そのため、永久磁石形同期電動機に連結されたドアを手動で開ける際には、通常の摩擦力以外に発電制動に対抗する力が必要となり、かつこの発電制動力はドアを急いで開けようとするほど大きくなるという問題があった。   By the way, conventionally, a permanent magnet type synchronous motor is used as a door drive motor of a vehicle, and electric power of a variable frequency is supplied to the permanent magnet type synchronous motor from a power converter (inverter) to perform opening / closing and speed control of the door. is there. In that case, if you try to move the door manually by unlocking the door lock with a manual unlocking device, the permanent magnet synchronous motor becomes a generator, and power generation that regenerates power to the power converter and power source connected to it Braking is applied. Therefore, when manually opening the door connected to the permanent magnet type synchronous motor, it is necessary to have a force that opposes the generation braking in addition to the normal frictional force, and this generation braking force tries to open the door quickly. There was a problem of becoming so large.

そこで、この発明の課題は、ドア駆動モータとして永久磁石形同期電動機を用いた車両用ドア装置において、非常時にドアを容易に開けられるようにすることにある。   Therefore, an object of the present invention is to make it possible to easily open a door in an emergency in a vehicle door device using a permanent magnet type synchronous motor as a door drive motor.

上記課題を解決するために、この発明は、電力変換器から給電される永久磁石形同期電
動機で駆動される引戸式のドアと、このドアを閉位置で機械的にロックする施錠装置と、
この施錠装置を非常時に手動操作で解錠する手動解錠装置とを備えた車両用ドア装置にお
いて、 前記電力変換器と前記永久磁石形同期電動機との間の給電回路を開閉する手段と、前記手動解錠装置が操作されたことを検知する手段と、この検知手段により前記手動解錠装置が操作されたことを検知したら、前記開閉手段により前記給電回路を開路し、永久磁石形同期電動機をこの給電回路から切り離す制御手段とを設けるものとする。 In order to solve the above problems, the present invention provides a sliding door type door driven by a permanent magnet type synchronous motor fed from a power converter, a locking device that mechanically locks the door in a closed position,
In a vehicle door device provided with a manual unlocking device for manually unlocking the locking device in an emergency, means for opening and closing a power feeding circuit between the power converter and the permanent magnet type synchronous motor, A means for detecting that the manual unlocking device is operated, and when the detection means detects that the manual unlocking device is operated, the opening / closing means opens the power feeding circuit, and a permanent magnet type synchronous motor is installed. Control means for disconnecting from the power supply circuit is provided.

従来一般に、車両用ドア装置において、電力変換器から永久磁石形同期電動機に給電する場合、電力の供給／遮断は給電回路の開閉によらず、電力変換器の出力を制御して行っている。そのため、電力供給が途絶えたドア閉止状態においても電力変換器と永久磁石形同期電動機との間の給電回路は形成されたままであり、その結果としてドアを手で開けて永久磁石形同期電動機を回すと発電制動が生じる。そこで、この発明は、非常解錠装置を操作した場合のみ、これを検知して開閉手段で給電回路を開路するものである。これにより、永久磁石形同期電動機の回生回路が絶たれ、発電制動が生じなくなる。   2. Description of the Related Art Generally, in a vehicle door device, when power is supplied from a power converter to a permanent magnet synchronous motor, power supply / cut-off is performed by controlling the output of the power converter without opening and closing the power supply circuit. Therefore, even when the door is closed when power supply is stopped, the power supply circuit between the power converter and the permanent magnet synchronous motor remains formed. As a result, the door is opened by hand and the permanent magnet synchronous motor is turned. And dynamic braking occurs. Therefore, in the present invention, only when the emergency unlocking device is operated, this is detected and the power supply circuit is opened by the opening / closing means. As a result, the regenerative circuit of the permanent magnet type synchronous motor is cut off, and power generation braking does not occur.

この発明によれば、非常時に手動解錠装置でドアロックを解除し、ドアを手で開ける場合に摩擦力のみしか生じないので、ドアを開けて脱出することが容易である。また、従来、車両運行中に何らかの要因でドアが開いたことを検知すると、モータにドア閉方向の駆動力を与えて乗客が車外に出ないようにするものがあるが、その場合にも手動解錠装置の操作時には給電回路が開路されるため、モータに駆動力が与えられることがない。   According to the present invention, when the door is unlocked by the manual unlocking device in an emergency and only the frictional force is generated when the door is opened by hand, it is easy to open the door and escape. Also, conventionally, when it is detected that the door has been opened for some reason during vehicle operation, there is a motor that applies a driving force in the door closing direction to prevent the passenger from leaving the vehicle. Since the power feeding circuit is opened during operation of the unlocking device, no driving force is applied to the motor.

以下、図１〜図３に基づいて、この発明の実施の形態を説明する。ここで、図１は車両用ドア装置のシステム構成図、図２は図１における施錠装置部分の拡大図、図３は図２における手動解錠装置を操作した状態の図である。図１において、引戸式のドア１は図示しないレールにより、図１の左右方向に走行可能に吊り下げ支持され、永久磁石形同期電動機２により開閉駆動される。電源３の直流電力は電力変換器（インバータ）４により可変周波数の３相交流に変換され、給電回路５を介して永久磁石形同期電動機２に供給される。給電回路５には電路の開閉手段としての電磁接触器６が挿入されている。電磁接触器６の操作電磁石６ａは操作回路７を介して電源３により励磁され、接点６ａは常時はオンしている。   Embodiments of the present invention will be described below with reference to FIGS. Here, FIG. 1 is a system configuration diagram of the vehicle door device, FIG. 2 is an enlarged view of the locking device portion in FIG. 1, and FIG. 3 is a diagram of a state in which the manual unlocking device in FIG. In FIG. 1, a sliding door 1 is suspended and supported by a rail (not shown) so as to be able to travel in the left-right direction in FIG. 1, and is opened and closed by a permanent magnet type synchronous motor 2. The DC power of the power source 3 is converted to a variable frequency three-phase AC by a power converter (inverter) 4 and supplied to the permanent magnet type synchronous motor 2 via a power feeding circuit 5. An electromagnetic contactor 6 as an electric circuit opening / closing means is inserted in the power feeding circuit 5. The operation electromagnet 6a of the electromagnetic contactor 6 is excited by the power source 3 through the operation circuit 7, and the contact 6a is always on.

図２において、ドア１は施錠装置８により閉止状態に施錠されている。施錠装置８は、車両側に昇降可能に案内支持されたロックピン９、ドア側に固定されたロックバー１０、解錠用ソレノイド１１、ロックピン９の昇降を検知する解錠検知スイッチ１２等からなり、ロックバー１０には上下方向に貫通するロックホール１０ａが設けられている。ロックピン９は図示しないスプリングにより常時下向きに付勢され、図示施錠状態においてロックピン９はロックホール１０ａに嵌入してドア１をロックしている。   In FIG. 2, the door 1 is locked in a closed state by a locking device 8. The locking device 8 includes a lock pin 9 guided and supported on the vehicle side so as to be movable up and down, a lock bar 10 fixed on the door side, an unlocking solenoid 11, an unlock detection switch 12 that detects the lifting and lowering of the lock pin 9, and the like. Thus, the lock bar 10 is provided with a lock hole 10a penetrating in the vertical direction. The lock pin 9 is constantly biased downward by a spring (not shown), and the lock pin 9 is fitted into the lock hole 10a to lock the door 1 in the illustrated locked state.

平常時においてドア開指令があると、図示しない制御装置は解錠用ソレノイド１１を付勢してロックピン９を持ち上げる。これにより、ロックピン９はロックホール１０ａから抜け出しドアロックが解除され、同時に解錠検知スイッチ１２から解錠信号が送出される。そこで、この解錠信号を待って、制御装置は永久磁石形同期電動機２を駆動しドア１を開く。   When there is a door opening command in normal times, a control device (not shown) energizes the unlocking solenoid 11 to lift the lock pin 9. As a result, the lock pin 9 comes out of the lock hole 10 a and the door lock is released, and at the same time, an unlock signal is sent from the unlock detection switch 12. Therefore, after waiting for this unlocking signal, the control device drives the permanent magnet type synchronous motor 2 to open the door 1.

一方、図２において、非常時の脱出のために手動解錠装置１３が設けられている。手動解錠装置１３は、車両側にピン１４を支点に回動可能に支持された非常ハンドル１５、非常ハンドル１５が操作されたことを検知する手動解錠検知スイッチ１６等からなっている。手動解錠検知スイッチ１６の図示しない接点は操作回路７（図１）に挿入され、この接点は図２の施錠状態においてオンされている。   On the other hand, in FIG. 2, a manual unlocking device 13 is provided for escape in an emergency. The manual unlocking device 13 includes an emergency handle 15 that is rotatably supported on the vehicle side with a pin 14 as a fulcrum, a manual unlocking detection switch 16 that detects that the emergency handle 15 is operated, and the like. A contact (not shown) of the manual unlocking detection switch 16 is inserted into the operation circuit 7 (FIG. 1), and this contact is turned on in the locked state of FIG.

図２の施錠状態において、非常事態が発生した場合、非常ハンドル１５を図３に示す直立位置まで矢印方向に回動させると、ロックピン９が図示の通り持ち上げられる。これにより、ドア１の機械的ロックが解除され、ドア１は手動で開けられるようになる。同時に、手動解錠検知スイッチ１６の接点がオフされる。その結果、電磁接触器６の操作回路７が開路され、操作電磁石６ａの励磁が解かれて電磁接触器６の接点６ｂがオフする。これにより、給電回路５が開路され、永久磁石形同期電動機２は電力変換器４から電気的に切り離される。従って、ドア１を手動で開けることにより永久磁石形同期電動機２が回されても発電制動はかからず、ドア１は容易に開けることが可能である。   When an emergency occurs in the locked state of FIG. 2, when the emergency handle 15 is rotated in the arrow direction to the upright position shown in FIG. 3, the lock pin 9 is lifted as shown. As a result, the mechanical lock of the door 1 is released, and the door 1 can be manually opened. At the same time, the contact of the manual unlocking detection switch 16 is turned off. As a result, the operation circuit 7 of the electromagnetic contactor 6 is opened, the excitation of the operation electromagnet 6a is released, and the contact 6b of the electromagnetic contactor 6 is turned off. As a result, the power feeding circuit 5 is opened, and the permanent magnet synchronous motor 2 is electrically disconnected from the power converter 4. Therefore, even if the permanent magnet type synchronous motor 2 is rotated by manually opening the door 1, no power braking is applied, and the door 1 can be easily opened.

この発明の実施の形態を示す車両用ドア装置のシステム構成図である。1 is a system configuration diagram of a vehicle door device showing an embodiment of the present invention. 図１における施錠装置部分の拡大図である。It is an enlarged view of the locking device part in FIG. 図２における手動解錠装置を操作した状態を示す図である。It is a figure which shows the state which operated the manual unlocking apparatus in FIG.

符号の説明Explanation of symbols

１ ドア
２ 永久磁石形同期電動機
３ 電源
４ 電力変換器
５ 給電回路
６ 電磁接触器
６ａ 電磁接触器の操作電磁石
６ｂ 電磁接触器の接点
７ 電磁接触器の操作回路
８ 施錠装置
９ ロックピン
１０ａ ロックホール
１１ 解錠用ソレノイド
１２ 解錠検知スイッチ
１３ 手動解錠装置
１５ 非常ハンドル
１６ 手動解錠検知スイッチ


DESCRIPTION OF SYMBOLS 1 Door 2 Permanent magnet type synchronous motor 3 Power supply 4 Power converter 5 Feeding circuit 6 Electromagnetic contactor 6a Electromagnetic contactor operation magnet 6b Electromagnetic contactor contact 7 Electromagnetic contactor operation circuit 8 Locking device 9 Lock pin 10a Lock hole 11 Solenoid for unlocking 12 Unlocking detection switch 13 Manual unlocking device 15 Emergency handle 16 Manual unlocking detection switch


Claims (1)

電力変換器から給電される永久磁石形同期電動機で駆動される引戸式のドアと、このドアを閉位置で機械的にロックする施錠装置と、この施錠装置を非常時に手動操作で解錠する手動解錠装置とを備えた車両用ドア装置において、
前記電力変換器と前記永久磁石形同期電動機との間の給電回路を開閉する手段と、前記手動解錠装置が操作されたことを検知する手段と、この検知手段により前記手動解錠装置が操作されたことを検知したら、前記開閉手段により前記給電回路を開路し、永久磁石形同期電動機をこの給電回路から切り離す制御手段とを設けたことを特徴とする車両用ドア装置。
A sliding door type door driven by a permanent magnet type synchronous motor fed from a power converter, a locking device that mechanically locks the door in a closed position, and a manual operation that unlocks the locking device manually in an emergency. In a vehicle door device provided with an unlocking device,
Means for opening and closing a power feeding circuit between the power converter and the permanent magnet type synchronous motor; means for detecting that the manual unlocking device is operated; and the manual unlocking device is operated by the detecting means. When it is detected, the vehicle door device is provided with a control means for opening the power supply circuit by the opening / closing means and disconnecting the permanent magnet type synchronous motor from the power supply circuit .
JP2005119397A 2005-04-18 2005-04-18 Vehicle door device Active JP4617980B2 (en)

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Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
JP2009200070A (en) * 2008-02-19 2009-09-03 Juki Corp Electronic component packaging apparatus
CN101333893B (en) * 2008-07-24 2012-02-15 宁波三博电子科技有限公司 Electronic lock
DE102010007388A1 (en) * 2010-02-02 2011-08-04 Pilz Auslandsbeteiligungen GmbH, 73760 Locking device with guard locking for protective doors
JP6180806B2 (en) * 2013-06-13 2017-08-16 ナブテスコ株式会社 Door opener
CN115461298A (en) * 2020-05-08 2022-12-09 三菱电机株式会社 Door device of elevator

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH10129474A (en) * 1996-10-30 1998-05-19 Fuji Electric Co Ltd Door opening and closing device controlling method for electric railcar
JP2003237568A (en) * 2001-12-12 2003-08-27 Fuji Electric Co Ltd Side sliding door device for electric railcar
JP2003261281A (en) * 2002-03-12 2003-09-16 Mitsubishi Electric Corp Door device for elevator
JP2005025518A (en) * 2003-07-02 2005-01-27 Fuji Electric Systems Co Ltd Door drive control device and maintenance method of door drive control device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10129474A (en) * 1996-10-30 1998-05-19 Fuji Electric Co Ltd Door opening and closing device controlling method for electric railcar
JP2003237568A (en) * 2001-12-12 2003-08-27 Fuji Electric Co Ltd Side sliding door device for electric railcar
JP2003261281A (en) * 2002-03-12 2003-09-16 Mitsubishi Electric Corp Door device for elevator
JP2005025518A (en) * 2003-07-02 2005-01-27 Fuji Electric Systems Co Ltd Door drive control device and maintenance method of door drive control device

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