JPH04350072A - Elevator drive device - Google Patents
Elevator drive deviceInfo
- Publication number
- JPH04350072A JPH04350072A JP3120870A JP12087091A JPH04350072A JP H04350072 A JPH04350072 A JP H04350072A JP 3120870 A JP3120870 A JP 3120870A JP 12087091 A JP12087091 A JP 12087091A JP H04350072 A JPH04350072 A JP H04350072A
- Authority
- JP
- Japan
- Prior art keywords
- torque
- circuit
- motor
- braking
- braking force
- 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
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 238000012790 confirmation Methods 0.000 claims description 32
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明はエレベータの駆動装置に
係り、特に、エレベータの制動に用いる摩擦力を利用し
た制動装置の制動力と、制動力に反発してエレベータを
駆動するに必要な電動機軸トルクを、通常のエレベータ
のトルク制御とは別に、制動力の試験用としてトルクを
発生できるトルク指令回路をもち据え付け後のエレベー
タの制動力の確認を容易にした、エレベータの駆動装置
に関する。[Field of Industrial Application] The present invention relates to an elevator drive system, and more particularly to the braking force of a braking system using frictional force used for braking an elevator, and the electric motor required to drive the elevator by repelling the braking force. This invention relates to an elevator drive device that has a torque command circuit that can generate shaft torque for testing braking force in addition to normal elevator torque control, making it easy to confirm the braking force of an elevator after installation.
【０００２】0002
【従来の技術】従来の制動装置の制動力の確認は、特開
昭５８−１０４８８１号公報に記載のように、エレベー
タを無負荷上昇及び、下降運転して、直流電動機の電機
子電流又は電圧のように電動機が発生するトルクに比例
する物理量を測定して、その物理量とエレベータかご内
の積載率との校正用グラフを作成した上で、制動装置を
動作（制動）状態にしたままでエレベータを上昇運転し
、その時、制動装置の制動力に打ち勝ってエレベータが
上昇運転を始める時の発生トルクに比例した物理量を測
定し、校正グラフによりブレーキの制動力を積載率換算
で求める方法を取っていた。BACKGROUND ART The braking force of a conventional braking device can be confirmed by running an elevator up and down with no load, and checking the armature current or voltage of a DC motor, as described in Japanese Patent Laid-Open No. 58-104881. After measuring the physical quantity that is proportional to the torque generated by the electric motor, and creating a calibration graph between the physical quantity and the loading ratio in the elevator car, the elevator is operated with the braking device in the operating (braking) state. The method is to measure a physical quantity proportional to the torque generated when the elevator starts upward operation by overcoming the braking force of the braking device, and calculate the braking force of the brake in terms of loading rate using a calibration graph. Ta.
【０００３】0003
【発明が解決しようとする課題】上記従来の技術では、
電動機が発生するトルクに比例した物理量、例えば、電
機子電流を測定する必要があるが、電動機に交流電動機
を使用し、インバータ装置によって交流電動機を駆動す
るエレベータ駆動装置の場合、モータ電流，電圧共制動
装置が動作した状態では１Ｈｚ以下の極低周波となるた
め、通常の測定器では測定できず、特殊な測定技術、及
び測定器を必要とする。又、測定に先立って電動機の発
生トルクの校正を行なう必要もあるという問題があった
。本発明の目的は特殊な測定器や、トルクの校正を必要
とせずに、制動装置の制動力の確認を行なうために、任
意のトルクを電動機に発生させるトルク指令回路をもっ
たエレベータの駆動装置を提供し、本装置の発するトル
ク指令により電動機の発生するトルクが、制動装置の制
動力に打ち勝ってエレベータを駆動可能か否かにより、
制動装置の制動力確認を容易とするエレベータの駆動装
置を提供することにある。[Problem to be solved by the invention] In the above conventional technology,
It is necessary to measure a physical quantity proportional to the torque generated by the motor, for example, the armature current. However, in the case of an elevator drive system that uses an AC motor as the motor and drives the AC motor with an inverter, both the motor current and voltage are measured. When the braking device is in operation, the frequency is extremely low, 1 Hz or less, so it cannot be measured with a normal measuring device and requires a special measuring technique and measuring device. Another problem is that it is necessary to calibrate the torque generated by the motor prior to measurement. The purpose of the present invention is to provide an elevator drive device having a torque command circuit that allows an electric motor to generate arbitrary torque in order to check the braking force of a braking device without requiring special measuring instruments or torque calibration. Depending on whether or not the torque generated by the electric motor based on the torque command issued by this device can overcome the braking force of the braking device and drive the elevator,
An object of the present invention is to provide an elevator drive device that facilitates confirmation of the braking force of a braking device.
【０００４】0004
【課題を解決するための手段】上記目的は、エレベータ
の駆動装置における速度指令回路からの速度指令と、エ
レベータの実速度を検出した速度帰還信号とのつき合わ
せによって必要な電動機軸トルクを発生せしめるための
トルク指令を電動機駆動装置へ発生するトルク指令回路
において、制動装置の制動力確認試験時のみ、上記速度
指令及び、速度帰還信号によらずに制動力試験用のトル
ク指令を任意に発生できるトルク指令回路と、制動力確
認試験時のみ、上記トルク指令回路を有効とする切換え
回路を設けることにより達成される。[Means for solving the problem] The above object is to generate the necessary motor shaft torque by matching the speed command from the speed command circuit in the elevator drive device and the speed feedback signal that detects the actual speed of the elevator. In the torque command circuit that generates the torque command for the motor drive device, it is possible to arbitrarily generate the torque command for the braking force test without depending on the speed command and the speed feedback signal, only during the braking force confirmation test of the braking device. This is achieved by providing a torque command circuit and a switching circuit that enables the torque command circuit only during a braking force confirmation test.
【０００５】[0005]
【作用】制動装置の制動力確認試験時には、試験者が、
前記切換回路へ切換信号を送り、それによってトルク指
令回路の入力、又は出力あるいはその両者が制動力確認
試験用トルク指令回路へ切換わり、上記制動力確認試験
用トルク指令回路は、制動装置が作動した状態で試験者
が外部より入力する任意の指令、又は、あらかじめ定め
られた所定の指令値に応じて電動機駆動回路へ、制動力
確認試験用のトルク指令を入力する。これにより電動機
は指令に応じた軸トルクを発生し、その時、制動装置の
制動力に打ち勝ってエレベータを駆動であるか否かを確
認することによって制動装置の制動力確認試験を容易に
実施できる。尚、駆動できたか否かは、目視又は、速度
検出用のパルスジェネレータ等により容易に判別可能で
ある。[Operation] When testing the braking force of the braking device, the tester must
A switching signal is sent to the switching circuit, whereby the input or output of the torque command circuit, or both, are switched to the torque command circuit for braking force confirmation test, and the torque command circuit for braking force confirmation test causes the braking device to operate. In this state, the tester inputs a torque command for the braking force confirmation test to the motor drive circuit according to an arbitrary command input from the outside or a predetermined command value determined in advance. As a result, the electric motor generates shaft torque according to the command, and at that time, it is possible to easily carry out a test to confirm the braking force of the braking device by confirming whether or not it is able to overcome the braking force of the braking device and drive the elevator. Note that whether or not the drive is successful can be easily determined visually or by using a pulse generator for speed detection or the like.
【０００６】[0006]
【実施例】以下、本発明の一実施例を図１により説明す
る。１はエレベータを駆動する電動機、２は電動機に直
結された制動装置、３は電動機１の駆動装置、４は通常
のエレベータ駆動に使用するトルク指令回路、５はエレ
ベータの速度指令回路、６はエレベータの速度検出装置
、７はトルク指令回路、８は制動装置の制動力確認試験
トルク指令回路、９は制動力確認試験時の指令入力装置
であり、１０は電動機駆動装置３へのトルク指令、１１
はエレベータの速度帰還信号、１２は速度指令である。
通常は、速度指令回路５からの速度指令１２と、速度検
出装置６からの速度帰還信号１１をつき合わせして、ト
ルク指令回路４でトルク指令を作成し、トルク指令切換
回路によりこのトルク指令を選択して、電動機駆動装置
３へ、トルク指令１０を入力する。制動装置２の制動力
確認試験時は、試験者がトルク指令切換回路７を直接、
又は間接的に切換えて入力装置９から入力信号を入力し
、制動力確認試験用トルク指令回路８からトルク指令を
出力させる。トルク指令は、トルク指令切換え回路によ
り選択されて、電動機駆動装置３へ入力され、電動機駆
動装置の出力に応じて電動機１はトルク指令１０に対応
した軸トルクを発生する。軸トルクが、制動装置２の制
動力を上まわれば電動機１は回転し、エレベータは駆動
される。従って入力装置９への入力を徐々に大、または
小の方向へ変化させ、それによってトルク指令１０を変
え電動機１の軸トルクを徐々に大、または、小の方向に
変化させ、電動機軸トルク＞制動装置制動力となり、電
動機１が回転を始める時のトルク指令１０、又は電動機
軸トルク＜制動装置制動力となって、電動機１が回転で
きなくなる時のトルク指令１０により、制動装置２の制
動力を確認することができる。このとき入力装置９から
の入力が、電動機軸トルクと同じ数値となるように、入
力装置９，トルク指令回路８を構成しておけば、電動機
１の軸トルクを入力装置９の入力で直読できることにな
り、容易に制動装置２の制動力を知ることができる。以
上により、本実施例によれば、制動装置２の制動力確認
試験時、トルク指令回路を切換えることにより容易に制
動装置２の制動力の確認ができかつ、制動力２の制動力
を電動機１が発生する軸トルクの大きさとして数値で知
ることができるという効果がある。尚、本実施例では制
動装置が電動機に直結された場合を示したが、減速機を
介して接続される場合にも同等の効果が得られる。[Embodiment] An embodiment of the present invention will be explained below with reference to FIG. 1 is an electric motor that drives the elevator, 2 is a braking device directly connected to the electric motor, 3 is a drive device for the electric motor 1, 4 is a torque command circuit used for normal elevator driving, 5 is an elevator speed command circuit, and 6 is an elevator , 7 is a torque command circuit, 8 is a torque command circuit for a braking force confirmation test of the braking device, 9 is a command input device for a braking force confirmation test, 10 is a torque command to the motor drive device 3, 11
is an elevator speed feedback signal, and 12 is a speed command. Normally, the speed command 12 from the speed command circuit 5 and the speed feedback signal 11 from the speed detection device 6 are matched to create a torque command in the torque command circuit 4, and this torque command is transferred by the torque command switching circuit. Select and input the torque command 10 to the motor drive device 3. During the braking force confirmation test of the braking device 2, the tester directly controls the torque command switching circuit 7.
Alternatively, an input signal is input from the input device 9 by switching indirectly, and a torque command is output from the torque command circuit 8 for braking force confirmation test. The torque command is selected by the torque command switching circuit and input to the motor drive device 3, and the motor 1 generates a shaft torque corresponding to the torque command 10 according to the output of the motor drive device. When the shaft torque exceeds the braking force of the braking device 2, the electric motor 1 rotates and the elevator is driven. Therefore, the input to the input device 9 is gradually changed in the direction of increasing or decreasing, thereby the torque command 10 is changed, and the shaft torque of the electric motor 1 is gradually changed in the direction of increasing or decreasing. The braking force of the braking device 2 is determined by the torque command 10 when the electric motor 1 starts rotating due to the braking force of the braking device, or the torque command 10 when the electric motor 1 becomes unable to rotate because the motor shaft torque is less than the braking force of the braking device. can be confirmed. At this time, if the input device 9 and the torque command circuit 8 are configured so that the input from the input device 9 is the same numerical value as the motor shaft torque, the shaft torque of the electric motor 1 can be directly read from the input of the input device 9. Therefore, the braking force of the braking device 2 can be easily known. As described above, according to this embodiment, during the braking force confirmation test of the braking device 2, the braking force of the braking device 2 can be easily confirmed by switching the torque command circuit, and the braking force of the braking force 2 can be transferred to the electric motor 2. This has the effect of being able to numerically determine the amount of shaft torque generated. Although the present embodiment shows the case where the braking device is directly connected to the electric motor, the same effect can be obtained when the braking device is connected via a reduction gear.
【０００７】他の実施例を図２に示す。本実施例は、制
動装置２の制動力確認試験用のトルク指令回路として、
通常の速度制御に使用するトルク指令回路４を使用し、
トルク指令回路４の入力のみを切換える方法を示す。図
２において、１３はトルク指令回路中に含まれる積分器
であり、１４は制動力確認試験時のみ積分器１３を短絡
する短絡接点、１５は通常のエレベータの速度制御時と
、制動装置２の制動力確認試験時でトルク指令回路４の
入力信号を切換える切換接点、１６は短絡接点１４と切
換接点１５を含む制動力確認試験切換回路、他は図２と
同様である。Another embodiment is shown in FIG. In this embodiment, as a torque command circuit for a braking force confirmation test of the braking device 2,
Using the torque command circuit 4 used for normal speed control,
A method of switching only the input of the torque command circuit 4 will be shown. In FIG. 2, 13 is an integrator included in the torque command circuit, 14 is a short-circuit contact that short-circuits the integrator 13 only during a braking force confirmation test, and 15 is a short-circuit contact that short-circuits the integrator 13 only during a braking force confirmation test. A switching contact 16 switches the input signal of the torque command circuit 4 during a braking force confirmation test, and 16 is a braking force confirmation test switching circuit including a shorting contact 14 and a switching contact 15, and the rest is the same as in FIG.
【０００８】本実施例では、通常はトルク指令回路４の
入力として速度指令１２と、速度帰還信号１１の差を切
換接点１５により選択して、これをもとにトルク指令１
０を電動機駆動回路３へ送る。この時、速度指令１２と
、速度帰還信号１１、すなわち、エレベータの速度との
定常偏差をなくすため、トルク指令回路４に含まれる積
分器１３の短絡接点は開路状態として、積分器１３が動
作する状態としておく。次に制動装置２の制動力確認試
験時には、制動力確認試験切換回路１６に含まれる切換
接点１５，短絡接点１４を切換え、トルク指令回路４の
入力として入力装置９の出力を切換接点１５により選択
し、トルク指令回路４へ入力信号として入力する。この
時、切換回路１６に含まれる短絡接点１４を閉路するこ
とにより、トルク指令回路４に含まれる積分器１３は短
絡され、トルク指令回路４の積分機機能は動作しない。
従って、トルク指令回路４は、入力装置９の入力に対応
した一定のトルク指令１０を発生する。以後の動作は、
図１に示した前述の実施例と同様である。In this embodiment, normally, the difference between the speed command 12 and the speed feedback signal 11 is selected as an input to the torque command circuit 4 by the switching contact 15, and based on this, the torque command 1 is selected.
0 to the motor drive circuit 3. At this time, in order to eliminate a steady deviation between the speed command 12 and the speed feedback signal 11, that is, the speed of the elevator, the short-circuit contact of the integrator 13 included in the torque command circuit 4 is set to an open state, and the integrator 13 operates. Leave it as the state. Next, during a braking force confirmation test of the braking device 2, the switching contact 15 and short-circuit contact 14 included in the braking force confirmation test switching circuit 16 are switched, and the output of the input device 9 is selected as the input to the torque command circuit 4 by the switching contact 15. and inputs it to the torque command circuit 4 as an input signal. At this time, by closing the short circuit contact 14 included in the switching circuit 16, the integrator 13 included in the torque command circuit 4 is short-circuited, and the integrator function of the torque command circuit 4 does not operate. Therefore, the torque command circuit 4 generates a constant torque command 10 corresponding to the input from the input device 9. The subsequent operation is
This is similar to the previous embodiment shown in FIG.
【０００９】本実施例によれば、制動力確認試験用とし
て専用のトルク指令回路を設ける必要がなく、特に、ア
ナログ回路において回路を構成する場合、回路構成が簡
単であり、部品点数も削減できる。According to this embodiment, there is no need to provide a dedicated torque command circuit for the braking force confirmation test, and especially when the circuit is configured as an analog circuit, the circuit configuration is simple and the number of parts can be reduced. .
【００１０】さらに他の実施例を図３に示す。本実施例
は、制動装置２の制動力確認試験中に誤って制動装置２
が釈放されることのないよう、制動装置２の制御回路へ
制動装置の釈放指令回路を開路する接点を付加した例で
ある。図３において、１７は制動装置２を釈放するため
の釈放装置、１８は釈放装置１７を作動させ、よって制
動装置２を釈放させる釈放指令回路、１９は釈放指令回
路１８の出力である釈放指令、２０は制動装置２の制動
力確認試験時、電動機駆動装置へ入力するトルク指令１
０を制動力確認試験用トルク指令回路８の出力信号に切
換えるためのトルク指令切換接点、２１は制動装置２の
制動力確認試験時のみ、トルク指令切換接点２０と連動
して、制動装置２の釈放指令１９を開路し、制動装置２
が、常時、制動力を作用している状態とするための制動
装置の釈放回路の開路接点、２２は前述のトルク指令切
換接点２０と、制動装置の釈放回路の開路接点２１を含
む制動力確認試験切換回路であり、他は図２と同じ構成
である。Still another embodiment is shown in FIG. In this example, during the braking force confirmation test of the braking device 2, the brake device 2 was accidentally
This is an example in which a contact point is added to the control circuit of the braking device 2 to open the release command circuit of the braking device to prevent the brake from being released. In FIG. 3, 17 is a release device for releasing the braking device 2, 18 is a release command circuit that operates the release device 17 and therefore releases the brake device 2, and 19 is a release command that is the output of the release command circuit 18; 20 is a torque command 1 input to the electric motor drive device during a braking force confirmation test of the braking device 2.
0 to the output signal of the torque command circuit 8 for braking force confirmation test; 21 is a torque command switching contact for switching the output signal of the torque command circuit 8 for braking force confirmation test; Release command 19 is opened and brake device 2 is activated.
is the opening contact of the release circuit of the braking device so that the braking force is always applied, and 22 is the braking force confirmation including the aforementioned torque command switching contact 20 and the opening contact 21 of the release circuit of the braking device. This is a test switching circuit, and the other configuration is the same as in FIG. 2.
【００１１】本実施例において、通常のエレベータの速
度制御時はトルク指令切換接点２０により、エレベータ
の速度制御用のトルク指令回路４の出力をトルク指令１
０として選択しても電動機駆動装置３へ入力する。又、
この時、制動装置の釈放回路の開路接点２１は切換接点
２０と連動して閉路の状態とし、制動装置の釈放指令１
９に応じて釈放装置１７が動作し制動装置２は釈放又は
起動の動作を行なう。制動装置２の制動力確認試験時は
、トルク指令切換接点２０により制動力確認試験用トル
ク指令回路８の出力をトルク指令１０として選択し、電
動機駆動装置３へ入力する。この時、トルク指令切換接
点２０と連動して制動装置の釈放指令回路の開路接点２
１を開路し、制動装置の釈放装置１７へ釈放指令１９が
入力できないようにする。こうして、制動力確認試験中
に、制動装置の釈放指令回路１８が誤って釈放指令１０
を出力した場合でも、制動装置の釈放装置１７は動作せ
ず、制動装置２は釈放されることなく制動力を作用し続
けることができる。他の動作は図１の実施例と同じであ
る。図１，図２の実施例では、制動装置２の制動力確認
試験は、エレベータが停止中にエレベータの速度指令回
路の一部を制動力確認試験の専用回路に切換えて行なう
ため、制動装置２の釈放指令１９は釈放指令回路１８か
ら出力されることがないことを前提としているが、本実
施例によれば、制動力確認試験時は制動装置の釈放指令
回路が接点２１により開路され、誤って釈放指令回路１
８が釈放指令１９を出力しても制動装置２が釈放される
ことはなく、従って、エレベータが速度制御されていな
い状態で制動装置２が釈放され、エレベータが暴走する
危険をなくすことができる。尚、制動装置の釈放指令回
路の開路接点２１は、図２に示す実施例で切換接点１５
と連動して開路させた場合も、上述と同等の効果を得る
ことができる。In this embodiment, during normal elevator speed control, the torque command switching contact 20 changes the output of the torque command circuit 4 for elevator speed control to the torque command 1.
Even if it is selected as 0, it is input to the motor drive device 3. or,
At this time, the open contact 21 of the release circuit of the brake device is in a closed state in conjunction with the switching contact 20, and the release command 1 of the brake device is
9, the release device 17 operates, and the brake device 2 performs a release or activation operation. During a braking force confirmation test of the braking device 2, the torque command switching contact 20 selects the output of the torque command circuit 8 for braking force confirmation test as the torque command 10, and inputs it to the motor drive device 3. At this time, the opening contact 2 of the release command circuit of the braking device is connected to the torque command switching contact 20.
1 is opened to prevent a release command 19 from being input to the release device 17 of the braking device. In this way, during the braking force confirmation test, the release command circuit 18 of the brake device mistakenly issued the release command 10.
Even when the output is output, the release device 17 of the braking device does not operate, and the braking device 2 can continue to apply braking force without being released. Other operations are the same as the embodiment shown in FIG. In the embodiments shown in FIGS. 1 and 2, the braking force confirmation test of the braking device 2 is performed by switching a part of the elevator speed command circuit to a dedicated circuit for the braking force confirmation test while the elevator is stopped. Although it is assumed that the release command 19 is not outputted from the release command circuit 18, according to this embodiment, the release command circuit of the braking device is opened by the contact 21 during the braking force confirmation test, and the release command circuit 19 is not erroneously output. release command circuit 1
8 outputs a release command 19, the brake device 2 is not released, and therefore, the brake device 2 is released in a state where the speed of the elevator is not controlled, and the danger of the elevator running out of control can be eliminated. The opening contact 21 of the brake release command circuit is the switching contact 15 in the embodiment shown in FIG.
Even when the circuit is opened in conjunction with the above, the same effect as described above can be obtained.
【００１２】0012
【発明の効果】本発明によれば、エレベータの駆動装置
において、速度制御を行なわず、又、制動装置を釈放せ
ずに制動力を作用した状態で外部より任意の大きさのト
ルクを制動装置に連結した電動機に発生させることがで
きるので、制動装置が作用している状態で電動機を駆動
するためのトルク指令値を外部入力により徐々に変化し
、電動機の発生トルクが制御装置の制動力より大となっ
て電動機が回転を始める時のトルク指令値か、又は、電
動機の発生トルクよりも制動装置の制動力が大となって
電動機が回転できなくなるトルク指令値により制動装置
の制動力を確認することができ、特殊な測定器を使わず
、又トルクの校正等の手間をかけずに制動装置の制動力
を確認できるという効果がある。Effects of the Invention According to the present invention, in an elevator drive system, a torque of arbitrary magnitude can be applied to the braking device from the outside while applying a braking force without performing speed control or releasing the braking device. Since the torque command value for driving the electric motor can be gradually changed by external input while the braking device is working, the generated torque of the electric motor can be generated by the braking force of the control device. Check the braking force of the braking device using either the torque command value at which the motor starts rotating due to the torque generated by the motor, or the torque command value at which the braking force of the braking device becomes greater than the torque generated by the motor and the motor cannot rotate. This has the effect that the braking force of the braking device can be confirmed without using a special measuring device or without taking the trouble of calibrating the torque.
【図１】本発明の一実施例のブロック図。FIG. 1 is a block diagram of an embodiment of the present invention.
【図２】本発明の第二の実施例のブロック図。FIG. 2 is a block diagram of a second embodiment of the invention.
【図３】本発明の第三の実施例のブロック図。FIG. 3 is a block diagram of a third embodiment of the present invention.
１…電動機、２…制動装置、３…電動機駆動装置、４…
トルク指令回路、５…速度指令回路、６…速度検出装置
、７…トルク指令切換回路、８…制動力確認試験用トル
ク指令回路、９…入力装置。1... Electric motor, 2... Braking device, 3... Electric motor drive device, 4...
Torque command circuit, 5... Speed command circuit, 6... Speed detection device, 7... Torque command switching circuit, 8... Torque command circuit for braking force confirmation test, 9... Input device.
Claims (1)
の他端に乗りかごとのつり合いを取るために取りつけら
れたつり合いおもり、前記ロープを駆動し乗りかごの昇
降を行わせるすべり車と、摩擦力により制動を発生する
制動装置、前記すべり車の回転数を一定の減速比で下げ
るための減速機を含む巻上げ機と、これを駆動するため
の電動機、前記電動機を駆動するための電動機駆動装置
、前記電動機に必要トルクを発生させるため、前記電動
機駆動装置への指令を発生するためのトルク指令回路か
らなる巻き上げ式のエレベータにおいて、前記制動装置
の制動力を、電動機出力トルクと比較することによって
、エレベータ据え付け後に、制動力の確認試験をする事
を目的とし、試験用のトルク指令回路を設けたことを特
徴とするエレベータの駆動装置。1. A car and a rope for hanging the car, a counterweight attached to the other end of the rope to balance the car, and a sliding wheel that drives the rope to raise and lower the car. A braking device that generates braking by frictional force, a hoist including a speed reducer for reducing the rotational speed of the sliding wheel at a constant reduction ratio, an electric motor for driving the same, and an electric motor drive for driving the electric motor. Comparing the braking force of the braking device with the motor output torque in a hoisting type elevator comprising a torque command circuit for generating a command to the motor drive device in order to generate the required torque for the motor. An elevator drive device characterized by being provided with a test torque command circuit for the purpose of conducting a braking force confirmation test after the elevator is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3120870A JPH04350072A (en) | 1991-05-27 | 1991-05-27 | Elevator drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3120870A JPH04350072A (en) | 1991-05-27 | 1991-05-27 | Elevator drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04350072A true JPH04350072A (en) | 1992-12-04 |
Family
ID=14796995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3120870A Pending JPH04350072A (en) | 1991-05-27 | 1991-05-27 | Elevator drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04350072A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008222394A (en) * | 2007-03-14 | 2008-09-25 | Hitachi Ltd | Elevator device |
-
1991
- 1991-05-27 JP JP3120870A patent/JPH04350072A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008222394A (en) * | 2007-03-14 | 2008-09-25 | Hitachi Ltd | Elevator device |
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