JPH07125938A - Control device for elevator - Google Patents
Control device for elevatorInfo
- Publication number
- JPH07125938A JPH07125938A JP5278078A JP27807893A JPH07125938A JP H07125938 A JPH07125938 A JP H07125938A JP 5278078 A JP5278078 A JP 5278078A JP 27807893 A JP27807893 A JP 27807893A JP H07125938 A JPH07125938 A JP H07125938A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- converter
- inverter
- abnormality
- detection signal
- 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
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、インバータ制御運転機
能を有するエレベータ装置に係り、特に、異常要因の摘
出を容易にしたエレベータ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus having an inverter control operation function, and more particularly to an elevator apparatus which facilitates extraction of an abnormal factor.
【０００２】[0002]
【従来の技術】コンバータ及びインバータにおける従来
の回路構成は、一般的に主回路素子にバイポーラトラン
ジスタを用い、素子保護回路として直流側に相間短絡及
び過電流保護用の電流検出器及び電流検出回路を持ち、
また、温度保護のため冷却系統の故障を検出する温度セ
ンサ等を持つ方式であった。過電流検出部には、素子保
護の観点から高い応答が要求されていた。2. Description of the Related Art In the conventional circuit configuration of converters and inverters, generally, a bipolar transistor is used as a main circuit element, and a current detector and a current detection circuit for interphase short circuit and overcurrent protection are provided on the DC side as an element protection circuit. Have,
Further, in order to protect the temperature, the system has a temperature sensor that detects a failure of the cooling system. A high response is required for the overcurrent detection unit from the viewpoint of element protection.
【０００３】[0003]
【発明が解決しようとする課題】従来構成では、相間短
絡及び過電流検出用として電流制御に関係の無い過電流
検出器及び過電流検出回路が必要になり、回路構成が複
雑となっていた。また、温度センサは冷却フィン等の素
子近傍に設置する必要があり、機器の実装が制限されて
いた。In the conventional configuration, an overcurrent detector and an overcurrent detection circuit which are not related to the current control are required for detecting the interphase short circuit and the overcurrent, and the circuit configuration is complicated. In addition, the temperature sensor needs to be installed near an element such as a cooling fin, which limits the mounting of the device.
【０００４】そこで、主回路素子に従来のバイポーラト
ランジスタにかわり、相間短絡，過電流，異常温度上
昇，インテリジェントパワーモジュール（以下ＩＰＭ）
制御電源異常から素子を保護する素子内部保護回路を内
蔵したＩＰＭを用い、電流検出器および温度センサを不
要とする簡単なコンバータおよびインバータ構成が考え
られる。Therefore, instead of the conventional bipolar transistor as the main circuit element, a short circuit between phases, overcurrent, abnormal temperature rise, intelligent power module (hereinafter IPM)
A simple converter and inverter configuration that does not require a current detector and a temperature sensor is conceivable using an IPM that has a built-in element internal protection circuit that protects the element from control power supply abnormality.
【０００５】ところが、現在実用化されているＩＰＭは
回路構成上、素子内部保護回路が動作したことを外部に
しらせる素子異常検出信号が一つしかないため、どの保
護機能が動作したか判らず、原因調査及び異常要因摘出
に支障を来す問題があった。本発明の目的は、ＩＰＭを
用いて素子保護回路を簡略化したコンバータおよびイン
バータ装置において、特別な付加回路を必要とせずに素
子の異常要因を判定でき、原因調査及び異常要因摘出を
容易にする方式を確立することにある。However, the IPM currently put into practical use has only one element abnormality detection signal that makes the outside of the operation of the element internal protection circuit in view of the circuit configuration, and therefore it is not known which protection function operates. There was a problem in the cause investigation and the extraction of abnormal factors. An object of the present invention is to make it possible to determine an abnormality factor of an element in a converter and an inverter device in which an element protection circuit is simplified by using an IPM without requiring a special additional circuit, and to facilitate a cause investigation and an abnormality factor extraction. To establish a method.
【０００６】[0006]
【課題を解決するための手段】本発明によれば上記目的
は、上記コンバータおよびインバータ装置にＩＰＭを使
用し、ＩＰＭの素子異常検出信号の継続時間と電源およ
びモータ電流帰還値をモニタし、その内容により素子異
常検出要因の推定を行うことで達成できる。According to the present invention, an object of the present invention is to use an IPM for the converter and the inverter device, monitor the duration of the element abnormality detection signal of the IPM and the power supply and motor current feedback value, and This can be achieved by estimating the element abnormality detection factor according to the content.
【０００７】[0007]
【作用】一般にトランジスタの保護回路としては、過電
流及び相間短絡保護のための過電流検出器及び検出回路
が、コンバータ及びインバータ直流側に設けられてい
る。また、トランジスタの熱破壊保護のための温度セン
サ等が素子近傍に設けられている。これらはコンバータ
及びインバータ回路構成を複雑化し、回路設計の自由度
を阻害する要因となっていた。さらに、いずれの保護回
路も主回路近傍に取付ける必要が有り、対ノイズ性，絶
縁等を考慮しなくてはならず、実装設計の自由度をも阻
害する要因となっていた。In general, as a transistor protection circuit, an overcurrent detector and a detection circuit for protection against overcurrent and interphase short circuit are provided on the converter and the inverter DC side. Further, a temperature sensor or the like for protecting the transistor against thermal damage is provided near the element. These complicate the converter and inverter circuit configurations and have been a factor that impedes the degree of freedom in circuit design. Furthermore, it is necessary to mount any protection circuit near the main circuit, and it is necessary to consider noise resistance, insulation, etc., which is a factor that impairs the degree of freedom in mounting design.
【０００８】本発明では、相間短絡，過電流，異常温度
上昇，ＩＰＭ制御電源異常発生時のスイッチング動作停
止処理をＩＰＭの素子内部保護回路によって行い、過電
流検出器及び温度センサ等を不要とする。同時にＩＰＭ
の素子内部保護回路動作に伴いＩＰＭから出力される素
子異常検出信号の出力時間と、素子異常検出信号出力時
の電源及びモータ電流帰還値をモニタし、予め設定した
マトリクスにより素子内部保護回路動作要因を判定す
る。これにより異常要因の摘出が容易になる。According to the present invention, the switching operation stop processing at the time of inter-phase short circuit, overcurrent, abnormal temperature rise, and IPM control power supply abnormality is performed by the element internal protection circuit of the IPM, thus eliminating the need for an overcurrent detector and a temperature sensor. . IPM at the same time
The output time of the element abnormality detection signal output from the IPM in accordance with the operation of the element internal protection circuit and the power supply and motor current feedback value at the time of outputting the element abnormality detection signal are monitored, and the element internal protection circuit operation factor is set by a preset matrix. To judge. This facilitates the extraction of the cause of abnormality.
【０００９】[0009]
【実施例】図１は本発明の実施例を示し、図２は異常要
因判定部の判定マトリクスを示す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of the present invention, and FIG. 2 shows a judgment matrix of an abnormality factor judging unit.
【００１０】本実施例では簡単のためコンバータ部をダ
イオードコンバータとしインバータ部のみ動作説明を行
う。In this embodiment, for the sake of simplification, the operation of only the inverter unit will be described with a diode converter as the converter unit.
【００１１】図１において、交流電源１０はコンバータ
１１により直流に整流され平滑コンデンサ１２へ充電さ
れる。制御回路５０は電流検出器２１，速度検出器２２
の帰還値により主回路素子３０にスイッチング指令を与
え、直流を可変電圧，可変周波数の三相交流電源に変換
し、かご駆動用モータ２０を制御する。In FIG. 1, an AC power supply 10 is rectified into a DC power by a converter 11 and charged in a smoothing capacitor 12. The control circuit 50 includes a current detector 21 and a speed detector 22.
A switching command is given to the main circuit element 30 by the feedback value of, the DC is converted into a three-phase AC power source of a variable voltage and a variable frequency, and the car driving motor 20 is controlled.
【００１２】異常発生により過電流，相間短絡，異常温
度上昇，ＩＰＭ制御電源異常が起こると、素子内部保護
回路４０は即座にスイッチングを減衰，停止させ、同時
に制御回路５０に対し素子異常検出信号を出力する。制
御回路５０は素子異常検出信号を受けて、スイッチング
指令を停止させる（同時に制御回路５０は素子異常検出
信号の継続時間，モータ電流帰還の瞬時値及び実効値を
モニタし、図２のマトリクスにより異常要因の判定を行
う）。When an overcurrent, a short circuit between phases, an abnormal temperature rise, or an IPM control power supply abnormality occurs due to the occurrence of an abnormality, the element internal protection circuit 40 immediately attenuates and stops the switching, and at the same time, outputs an element abnormality detection signal to the control circuit 50. Output. The control circuit 50 receives the element abnormality detection signal and stops the switching command (at the same time, the control circuit 50 monitors the duration of the element abnormality detection signal, the instantaneous value of the motor current feedback, and the effective value. Determine the factor).
【００１３】本実施例の判定マトリクスは、ＩＰＭ制御
電源に関しては特別な付加回路無しでは異常検出不能で
あることを前提としている。但し、制御回路５０におい
てＩＰＭ制御電源異常の検出が容易にできるのであれ
ば、より正確な判定マトリクスを得られ、異常要因の判
定が行えることは明白である。The determination matrix of this embodiment is premised on that the IPM control power source cannot detect an abnormality without a special additional circuit. However, if the control circuit 50 can easily detect the abnormality of the IPM control power supply, it is obvious that a more accurate determination matrix can be obtained and the determination of the abnormality factor can be performed.
【００１４】[0014]
【発明の効果】本発明によれば、コンバータ及びインバ
ータ回路の構成を簡易なものとすることができる。According to the present invention, it is possible to simplify the configurations of the converter and the inverter circuit.
【図１】本発明のエレベータ装置の回路図。FIG. 1 is a circuit diagram of an elevator apparatus according to the present invention.
【図２】異常判定部の判定マトリクスの説明図。FIG. 2 is an explanatory diagram of a determination matrix of an abnormality determination unit.
１０…三相交流電源、１１…ダイオードコンバータ、１
２…平滑コンデンサ、２０…かご駆動用モータ、２１…
電流検出器、２２…速度検出器、３０…インテリジェン
トパワーモジュール、４０…素子内部保護回路、５０…
制御回路。10 ... Three-phase AC power supply, 11 ... Diode converter, 1
2 ... Smoothing capacitor, 20 ... Car drive motor, 21 ...
Current detector, 22 ... Speed detector, 30 ... Intelligent power module, 40 ... Element internal protection circuit, 50 ...
Control circuit.
Claims (2)
と、上記コンバータ出力を可変電圧・可変周波数の交流
に変換するインバータと、上記コンバータ及びインバー
タを制御する制御回路と、上記インバータによって給電
されエレベータを駆動する誘導電動機で構成されるエレ
ベータ装置において、少なくともコンバータ及びインバ
ータにインテリジェントパワーモジュールを用いたこと
を特徴とするエレベータの制御装置。1. A converter for converting a commercial AC power supply into a direct current, an inverter for converting the converter output into a variable voltage / variable frequency AC, a control circuit for controlling the converter and the inverter, and an elevator powered by the inverter. An elevator control apparatus comprising an induction motor for driving a vehicle, wherein an intelligent power module is used for at least a converter and an inverter.
パワーモジュールより発せられる素子異常信号の原因を
自動的に判定するエレベータの制御装置。2. The elevator control device according to claim 1, wherein the cause of the element abnormality signal emitted from the intelligent power module is automatically determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5278078A JPH07125938A (en) | 1993-11-08 | 1993-11-08 | Control device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5278078A JPH07125938A (en) | 1993-11-08 | 1993-11-08 | Control device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07125938A true JPH07125938A (en) | 1995-05-16 |
Family
ID=17592339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5278078A Pending JPH07125938A (en) | 1993-11-08 | 1993-11-08 | Control device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07125938A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1571707A3 (en) * | 2004-03-05 | 2008-04-30 | Hitachi Industrial Equipment Systems Co. Ltd. | Semiconductor device temperature detection method and power conversion apparatus |
| JP2012255468A (en) * | 2011-06-08 | 2012-12-27 | Try Tec Corp | Electromagnetic brake device and power supply circuit for brake |
| JP2013536137A (en) * | 2010-07-30 | 2013-09-19 | オーチス エレベータ カンパニー | Elevator regenerative drive controller referring to DC bus |
| CN104843568A (en) * | 2015-05-29 | 2015-08-19 | 西继迅达（许昌）电梯有限公司 | Digital servo elevator driver |
| CN114873415A (en) * | 2022-06-07 | 2022-08-09 | 日立楼宇技术（广州）有限公司 | Electrical multi-drive system of new energy elevator and new energy elevator |
-
1993
- 1993-11-08 JP JP5278078A patent/JPH07125938A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1571707A3 (en) * | 2004-03-05 | 2008-04-30 | Hitachi Industrial Equipment Systems Co. Ltd. | Semiconductor device temperature detection method and power conversion apparatus |
| US8423317B2 (en) | 2004-03-05 | 2013-04-16 | Hitachi Industrial Equipment Systems Co., Ltd. | Temperature detection method of semiconductor device and power conversion apparatus |
| JP2013536137A (en) * | 2010-07-30 | 2013-09-19 | オーチス エレベータ カンパニー | Elevator regenerative drive controller referring to DC bus |
| JP2012255468A (en) * | 2011-06-08 | 2012-12-27 | Try Tec Corp | Electromagnetic brake device and power supply circuit for brake |
| CN104843568A (en) * | 2015-05-29 | 2015-08-19 | 西继迅达（许昌）电梯有限公司 | Digital servo elevator driver |
| CN114873415A (en) * | 2022-06-07 | 2022-08-09 | 日立楼宇技术（广州）有限公司 | Electrical multi-drive system of new energy elevator and new energy elevator |
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