JPH11217166A - Control device for elevator - Google Patents
Control device for elevatorInfo
- Publication number
- JPH11217166A JPH11217166A JP10021729A JP2172998A JPH11217166A JP H11217166 A JPH11217166 A JP H11217166A JP 10021729 A JP10021729 A JP 10021729A JP 2172998 A JP2172998 A JP 2172998A JP H11217166 A JPH11217166 A JP H11217166A
- Authority
- JP
- Japan
- Prior art keywords
- power
- voltage
- converter
- elevator
- inverter
- 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.)
- Granted
Links
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は直流電圧を降圧して
大容量コンデンサを充電し、停電時はこの大容量コンデ
ンサのエネルギーで目標階まで継続運転するエレベータ
ーの制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for an elevator that charges a large-capacity capacitor by lowering a DC voltage and continuously operates to a target floor with the energy of the large-capacity capacitor during a power failure.
【０００２】[0002]
【従来の技術】従来の装置は、特開平7−232872 号公報
記載のように、停電時にかごを目標階まで運転するエネ
ルギーを蓄積する手段としてバッテリを使用していた。
このバッテリの充電は、回生電力を分圧及び電流制限し
て行っている。また、トランスと整流器で構成した定電
圧印加型の補充電回路を備えている。2. Description of the Related Art A conventional apparatus uses a battery as a means for storing energy for operating a car to a target floor at the time of a power failure, as described in Japanese Patent Application Laid-Open No. Hei 7-232872.
The charging of the battery is performed by dividing the regenerative power and limiting the current. It also has a constant voltage application type auxiliary charging circuit composed of a transformer and a rectifier.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の技術は、バ
ッテリが急速充電できないがゆえに、全ての回生電力を
吸収できず、熱消費する回路を備えており、回生電力を
有効に利用する点が十分ではなかった。The above-mentioned prior art is characterized in that it cannot absorb all regenerative power and has a circuit that consumes heat because the battery cannot be rapidly charged, so that the regenerative power is used effectively. Was not enough.
【０００４】また、バッテリの蓄積エネルギーを放出す
ると再充電に多大な時間を要する問題があった。[0004] In addition, there is a problem that a great deal of time is required for recharging when discharging the stored energy of the battery.
【０００５】さらに、バッテリは充放電による劣化があ
り、定期的な保全や交換が必要であった。Further, the battery is deteriorated due to charge and discharge, and regular maintenance and replacement are required.
【０００６】本発明の目的は、エレベーター負荷特有の
回生電力を有効に利用しつつ、停電になってもエレベー
ターが停止することなく目標階まで運転継続でき、ま
た、エネルギー蓄積手段の再充電が短時間で行え、さら
に、エネルギー蓄積手段の保全や交換が不要なエレベー
ターの制御装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to make it possible to continue operation to a target floor without stopping the elevator even in the event of a power failure while effectively utilizing the regenerative power peculiar to the elevator load, and to shorten the recharging of the energy storage means. An object of the present invention is to provide an elevator control device which can be performed in a short time and does not require maintenance or replacement of the energy storage means.
【０００７】[0007]
【課題を解決するための手段】本発明のエレベーターの
制御装置は、交流電源を直流電圧に変換するコンバー
タ、該コンバータの直流側に接続した平滑コンデンサ、
該平滑コンデンサの直流電圧を可変周波数，可変電圧に
変換するインバータ、該インバータで駆動する電動機、
該電動機でかごを駆動するエレベーターにおいて、前記
コンバータと前記インバータとの間に自己消弧形スイッ
チング素子とインダクタンスと還流ダイオードと大容量
コンデンサからなる降圧回路を構成し、前記大容量コン
デンサに直列に給電ダイオードを接続し、前記インバー
タの直流側に電力を供給する。An elevator control apparatus according to the present invention comprises a converter for converting an AC power supply to a DC voltage, a smoothing capacitor connected to the DC side of the converter,
An inverter for converting the DC voltage of the smoothing capacitor into a variable frequency and a variable voltage, a motor driven by the inverter,
In an elevator that drives a car with the electric motor, a step-down circuit including a self-extinguishing switching element, an inductance, a return diode, and a large-capacity capacitor is configured between the converter and the inverter, and power is supplied in series to the large-capacity capacitor. A diode is connected to supply power to the DC side of the inverter.
【０００８】また、交流電源の停電を検出する停電検出
器，平滑コンデンサの電圧を検出する第一電圧検出器、
前記停電検出器と前記第一電圧検出器の出力で前記コン
バータを制御するコンバータ制御手段，大容量コンデン
サの電圧を検出する第二電圧検出器，直流電流検出器、
前記第二電圧検出器の出力と直流電流検出器の出力で前
記自己消弧形スイッチング素子を制御する降圧回路制御
手段を備え、前記降圧回路制御手段は、交流電源が正常
の時は大容量コンデンサの電圧を所定値に制御し、停電
で且つ電動機が回生状態の時、回生電力を大容量コンデ
ンサに充電するよう制御するので、停電時の回生電力を
全て急速に吸収できる。A power failure detector for detecting a power failure of an AC power supply, a first voltage detector for detecting a voltage of a smoothing capacitor,
Converter control means for controlling the converter with the outputs of the power failure detector and the first voltage detector, a second voltage detector for detecting a voltage of a large-capacity capacitor, a DC current detector,
A step-down circuit control means for controlling the self-extinguishing type switching element with an output of the second voltage detector and an output of the direct current detector, wherein the step-down circuit control means includes a large-capacity capacitor when the AC power supply is normal. Is controlled to a predetermined value, and when a power failure occurs and the motor is in a regenerative state, the regenerative power is controlled to charge the large-capacity capacitor, so that all the regenerative power at the time of the power failure can be rapidly absorbed.
【０００９】コンバータ制御手段は、停電検出器で停電
を検出した時、コンバータの動作を停止するよう制御す
るので、停電時の回生電力がコンバータを介し交流電源
側へ戻ることがない。The converter control means controls the operation of the converter to be stopped when a power failure is detected by the power failure detector, so that the regenerative power at the time of the power failure does not return to the AC power supply side via the converter.
【００１０】大容量コンデンサは、照明，ブレーキ，制
御装置などエレベーターに使用する全てのエネルギーに
使用するように構成し、停電で且つ電動機が力行状態の
時、給電ダイオードを介し電力を自動的にインバータに
給電するので、停電時にもエレベーターを停止すること
なく継電して運転ができる。The large-capacity capacitor is configured to be used for all energies used for the elevator, such as lighting, brakes, and control devices. When a power failure occurs and the motor is in a power running state, the power is automatically inverted via the power supply diode. Power supply, so even during a power failure, the elevator can be operated without stopping the elevator.
【００１１】[0011]
【発明の実施の形態】本発明の実施の形態を図１，図
２，図３により説明する。図１においては１は交流電
源、２はコンバータ、３は平滑コンデンサ、４はインバ
ータ、５は誘導電動機、６はかごを昇降する駆動装置、
７１は自己消弧形スイッチング素子で例えばＩＧＢＴ、
７２はインダクタンス、７３は還流ダイオード、７４は
大容量コンデンサで例えば電気二重層コンデンサ、７は
自己消弧形スイッチング素子７１とインダクタンス７２
と還流ダイオード７３と大容量コンデンサ７５で構成し
た降圧回路、７５は給電ダイオード、１１は第一電流検
出器、１２は速度検出器、１０はインバータ制御手段、
２１は停電検出器、２２は第一電圧検出器、２０はコン
バータ制御手段、３１は第二電圧検出器、３２は直流電
流検出器、３０は降圧回路制御手段である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In FIG. 1, 1 is an AC power supply, 2 is a converter, 3 is a smoothing capacitor, 4 is an inverter, 5 is an induction motor, 6 is a driving device for raising and lowering a car,
71 is a self-extinguishing type switching element, for example, IGBT,
72 is an inductance, 73 is a freewheeling diode, 74 is a large-capacity capacitor such as an electric double-layer capacitor, 7 is a self-extinguishing type switching element 71 and an inductance 72.
A step-down circuit comprising a return diode 73 and a large-capacity capacitor 75; 75, a feed diode; 11, a first current detector; 12, a speed detector;
21 is a power failure detector, 22 is a first voltage detector, 20 is a converter control means, 31 is a second voltage detector, 32 is a DC current detector, and 30 is a step-down circuit control means.
【００１２】次に構成及び交流電源１が正常の場合の動
作を説明する。Next, the configuration and operation when the AC power supply 1 is normal will be described.
【００１３】交流電源１をコンバータ２に入力し直流電
圧に変換し、この直流電圧を平滑コンデンサ３で平滑す
る。インバータ４は直流電圧を可変周波数・可変電圧の
交流電源に変換し誘導電動機５を駆動する。誘導電動機
５に接続した減速機６１とシーブ６２と電磁ブレーキ６
３で構成した駆動装置６で主ロープ６４を介しかご８を
昇降する。An AC power supply 1 is input to a converter 2 and converted into a DC voltage, and this DC voltage is smoothed by a smoothing capacitor 3. The inverter 4 drives the induction motor 5 by converting the DC voltage into an AC power supply having a variable frequency and a variable voltage. Reduction gear 61, sheave 62, and electromagnetic brake 6 connected to induction motor 5
The car 8 is moved up and down via the main rope 64 by the driving device 6 constituted by 3.
【００１４】第一電圧検出器２２は平滑コンデンサ３の
電圧を検出しコンバータ制御手段２０に入力する。コン
バータ制御手段２０は平滑コンデンサ３の電圧が所定の
電圧になるようにコンバータ２を制御する。第一電流検
出器１１は誘導電動機５の一次電流を検出しインバータ
制御手段１０に入力する。速度検出器１２は誘導電動機
５の回転速度を検出しインバータ制御手段１０に入力す
る。インバータ制御手段１０は直流電圧を所定の可変周
波数・可変電圧の交流電源に変換するようにインバータ
４を制御する。The first voltage detector 22 detects the voltage of the smoothing capacitor 3 and inputs it to the converter control means 20. Converter control means 20 controls converter 2 so that the voltage of smoothing capacitor 3 becomes a predetermined voltage. The first current detector 11 detects a primary current of the induction motor 5 and inputs the primary current to the inverter control means 10. The speed detector 12 detects the rotation speed of the induction motor 5 and inputs the rotation speed to the inverter control means 10. The inverter control means 10 controls the inverter 4 so as to convert a DC voltage into an AC power supply having a predetermined variable frequency and variable voltage.
【００１５】降圧回路７は、直列接続した自己消弧形ス
イッチング素子７１と還流ダイオード７３を、平滑コン
デンサ３と並列に接続し、自己消弧形スイッチング素子
７１と還流ダイオード７３の中間点とインダクタンス７
２の一端を接続し、インダクタンス７４の他端を大容量
コンデンサ７４の正極に接続し、大容量コンデンサの負
極を平滑コンデンサ３の負極に接続するように構成す
る。降圧回路制御手段２０は、第二電圧検出器３１で大
容量コンデンサ７４の電圧を検出し、大容量コンデンサ
７４が所定の電圧となるように自己消弧形スイッチング
素子７１を制御する。The step-down circuit 7 has a self-extinguishing type switching element 71 and a free-wheeling diode 73 connected in series and connected in parallel with the smoothing capacitor 3.
2 is connected, the other end of the inductance 74 is connected to the positive electrode of the large capacity capacitor 74, and the negative electrode of the large capacity capacitor is connected to the negative electrode of the smoothing capacitor 3. The step-down circuit control means 20 detects the voltage of the large capacity capacitor 74 with the second voltage detector 31 and controls the self-extinguishing type switching element 71 so that the large capacity capacitor 74 has a predetermined voltage.
【００１６】大容量コンデンサ７４の正極と平滑コンデ
ンサ３の正極の間に給電ダイオード７５を接続し、コン
バータ２から平滑コンデンサ３の給電が断たれ、平滑コ
ンデンサ３の電圧が大容量コンデンサ７４の電圧と同一
になると、即ち、停電になると、大容量コンデンサ７４
の電圧を自動的にインバータ４へ給電する。大容量コン
デンサ７４の端子にはＤＣ−ＤＣコンバータやＤＣ−Ａ
Ｃコンバータを接続し、照明，ブレーキ，制御装置など
の負荷４０に電源を供給する。A power supply diode 75 is connected between the positive electrode of the large-capacity capacitor 74 and the positive electrode of the smoothing capacitor 3. When they become the same, that is, when a power failure occurs, the large-capacity capacitor 74
Is automatically supplied to the inverter 4. A DC-DC converter or a DC-A
A C converter is connected to supply power to loads 40 such as lighting, brakes, and control devices.
【００１７】交流電源１に停電が発生した場合について
図２を用いて説明する。処理Ｓ１で交流電源１が停電に
なったことを停電検出器２１で検出すると、処理Ｓ２で
エレベーターが動いているかを判定する。エレベーター
が停止していれば、そのまま復電するまでエレベーター
を停止しておく。処理Ｓ２でエレベーターが動いていれ
ば、コンバータ制御手段２０は処理Ｓ３，降圧回路制御
手段３０は処理Ｓ４，インバータ制御手段は処理Ｓ５を
行う。A case where a power failure occurs in the AC power supply 1 will be described with reference to FIG. When the power failure detector 21 detects that the AC power supply 1 has lost power in the process S1, it is determined in a process S2 whether the elevator is moving. If the elevator has stopped, stop the elevator until power is restored. If the elevator is moving in the process S2, the converter control unit 20 performs the process S3, the step-down circuit control unit 30 performs the process S4, and the inverter control unit performs the process S5.
【００１８】処理Ｓ３において、コンバータ制御手段２
０はコンバータ２の動作を停止し、停電中に生じる回生
電力が交流電源１へ戻らないようにする。In step S3, the converter control means 2
0 stops the operation of the converter 2 and prevents the regenerative power generated during the power failure from returning to the AC power supply 1.
【００１９】処理Ｓ４において、降圧回路制御手段３０
は処理Ｓ４１で誘導電動機５が回生状態であるかを判定
し、回生状態であるときは回生電力を大容量コンデンサ
７４に吸収するように自己消弧形スイッチング素子７１
を制御する。回生状態でないときは自己消弧形スイッチ
ング素子７１を不導通とし、大容量コンデンサ７４の電
力を給電ダイオード７５を介しインバータ４へ給電す
る。In step S4, the step-down circuit control means 30
Determines in step S41 whether the induction motor 5 is in a regenerative state. If the regenerative state is in effect, the self-extinguishing type switching element 71
Control. When it is not in the regenerative state, the self-extinguishing type switching element 71 is turned off, and the power of the large-capacity capacitor 74 is supplied to the inverter 4 via the power supply diode 75.
【００２０】処理Ｓ５において、インバータ制御手段１
０は、まず処理Ｓ５１でエレベーター速度が停電時走行
速度の設定値より速いかを判定し、真値であれば処理Ｓ
５２として減速指令を発生し、エレベーターを減速す
る。その後、処理Ｓ５３で速度が停電時走行速度の設定
値と等しいかを判定し、処理Ｓ５３が真値となるまで処
理Ｓ５２と処理Ｓ５３を繰り返す。処理Ｓ５３が真値と
なれば、処理Ｓ５４で現状の速度を維持しエレベーター
を走行する。処理Ｓ５５でかご８が自動階停止位置に到
達したかを判定しながら走行を続け、処理Ｓ５５が真値
となると処理Ｓ56でエレベーターを停止し、ドアを開放
する。In step S5, the inverter control means 1
In step S51, it is determined whether the elevator speed is faster than the set value of the running speed at the time of a power failure.
As 52, a deceleration command is generated to decelerate the elevator. Thereafter, it is determined in step S53 whether or not the speed is equal to the set value of the running speed during power failure, and steps S52 and S53 are repeated until step S53 becomes a true value. If the process S53 becomes a true value, the current speed is maintained in the process S54 to drive the elevator. In step S55, the traveling is continued while determining whether the car 8 has reached the automatic floor stop position. When the step S55 becomes a true value, the elevator is stopped in step S56 and the door is opened.
【００２１】ここで、降圧回路制御手段３０の詳細な構
成を図３を用いて説明する。大容量コンデンサ７４のあ
らかじめ設定した所定電圧Ｖsc0 と第二電圧検出器３１
で検出した大容量コンデンサ７４の電圧Ｖscを突き合わ
せ偏差ΔＶscを求める。このΔＶscに応じて変調波ｈ１
を求め、所定の周期及び大きさの搬送波と突き合わせ自
己消弧形スイッチング素子７１のゲート信号Ｇ１を得
る。また、直流電流検出器３２は直流電流がインバータ
４から平滑コンデンサ３へ流れるとき、即ち、回生状態
のとき検出値がマイナスの値を出力する。この直流電流
検出器３２の出力電流Ｉdcに応じて変調波ｈ２を求め、
搬送波と突き合わせゲート信号Ｇ２を得る。そして、停
電検出器２１で検出した信号によって、交流電源１が正
常のときＧ１を、停電のときＧ２を自己消弧形スイッチ
ング素子７１に与え制御する。Here, the detailed configuration of the step-down circuit control means 30 will be described with reference to FIG. The predetermined voltage Vsc0 of the large capacity capacitor 74 set in advance And the second voltage detector 31
The voltage .DELTA.Vsc of the large-capacity capacitor 74 detected in step (1) is compared to determine a deviation .DELTA.Vsc. The modulation wave h1 according to this ΔVsc
Is obtained, and the gate signal G1 of the self-extinguishing type switching element 71 is obtained by matching with a carrier having a predetermined period and magnitude. The DC current detector 32 outputs a negative value when a DC current flows from the inverter 4 to the smoothing capacitor 3, that is, in a regenerative state. A modulation wave h2 is obtained according to the output current Idc of the DC current detector 32,
The carrier and the matching gate signal G2 are obtained. Then, based on the signal detected by the power failure detector 21, G1 is supplied to the self-turn-off type switching element 71 when the AC power supply 1 is normal and G2 when the AC power supply is normal, and is controlled.
【００２２】このように構成し、制御すると、エレベー
ター負荷特有の回生電力を有効に利用しつつ、停電にな
ってもエレベーターが停止することなく目標階まで運転
継続でき、また、エネルギー蓄積手段の再充電が短時間
で行え、さらに、エネルギー蓄積手段の保全や交換が不
要なエレベーターの制御装置を提供できる。When configured and controlled in this manner, the operation can be continued to the target floor without stopping the elevator even if a power failure occurs, while the regenerative power peculiar to the elevator load is effectively used. It is possible to provide an elevator control device which can be charged in a short time and does not require maintenance or replacement of the energy storage means.
【００２３】[0023]
【発明の効果】本発明によれば、コンバータ２とインバ
ータ４との間に自己消弧形スイッチング素子７１とイン
ダクタンス７２と還流ダイオード７３と大容量コンデン
サ７４からなる降圧回路７を構成し、大容量コンデンサ
７４に直列に給電ダイオード７５を接続し、大容量コン
デンサ７４の電力をインバータ４及び制御回路などエレ
ベーターの全ての電源へ給電するので、停電になっても
エレベーターが停止することなく目標階まで運転継続で
きる効果がある。According to the present invention, a step-down circuit 7 comprising a self-extinguishing switching element 71, an inductance 72, a freewheeling diode 73 and a large-capacity capacitor 74 is provided between the converter 2 and the inverter 4, and has a large capacity. A power supply diode 75 is connected in series to the capacitor 74, and the power of the large-capacity capacitor 74 is supplied to all the power supplies of the elevator such as the inverter 4 and the control circuit. Therefore, even if a power failure occurs, the elevator can be operated to the target floor without stopping. There is an effect that can be continued.
【００２４】また、降圧回路制御手段３０は、停電検出
器２１の検出値と、大容量コンデンサ７４の電圧及び直
流電流の検出値によって、交流電源が正常のとき大容量
コンデンサ７４を所定値に充電し、停電でかつ回生状態
のとき回生電力を大容量コンデンサ７４に充電するの
で、エネルギー蓄積手段の再充電が短時間で行え、エレ
ベーター負荷特有の回生電力を有効に利用できる効果が
ある。The step-down circuit control means 30 charges the large capacity capacitor 74 to a predetermined value when the AC power supply is normal, based on the detected value of the power failure detector 21 and the detected values of the voltage and DC current of the large capacity capacitor 74. However, since the regenerative power is charged to the large-capacity capacitor 74 during the power outage and the regenerative state, the energy storage means can be recharged in a short time, and the regenerative power peculiar to the elevator load can be effectively used.
【００２５】さらに、エネルギー蓄積手段の保全や交換
を不要にできる効果がある。Further, there is an effect that maintenance and replacement of the energy storage means can be made unnecessary.
【図１】本発明の一実施例であるエレベーターの制御回
路を示す図。FIG. 1 is a diagram showing a control circuit of an elevator according to an embodiment of the present invention.
【図２】図１の制御フローチャートを示す図。FIG. 2 is a view showing a control flowchart of FIG. 1;
【図３】図１の降圧回路制御手段の構成を示す図。FIG. 3 is a diagram showing a configuration of a step-down circuit control unit of FIG. 1;
１…交流電源、２…コンバータ、３…平滑コンデンサ、
４…インバータ、５…誘導電動機、６…かごを昇降する
駆動装置、７…自己消弧形スイッチング素子７１とイン
ダクタンス７２と還流ダイオード７３と大容量コンデン
サ７５で構成した降圧回路、１０…インバータ制御手
段、１１…電流検出器、１２…速度検出器、２０…コン
バータ制御手段、２１…停電検出器、２２…第一電圧検
出器、３０…降圧回路制御手段、３１…第二電圧検出
器、７１…自己消弧形スイッチング素子で例えばＩＧＢ
Ｔ、７２…インダクタンス、７３…還流ダイオード、７
４…大容量コンデンサで例えば電気二重層コンデンサ、
７５…給電ダイオード。1. AC power supply 2. Converter 3. Smoothing capacitor
4 Inverter, 5 Induction motor, 6 Driving device for raising and lowering the car, 7 Step-down circuit composed of self-extinguishing type switching element 71, inductance 72, return diode 73, and large capacity capacitor 75, 10 ... Inverter control means , 11 ... Current detector, 12 ... Speed detector, 20 ... Converter control means, 21 ... Power failure detector, 22 ... First voltage detector, 30 ... Step-down circuit control means, 31 ... Second voltage detector, 71 ... Self-extinguishing type switching element such as IGB
T, 72: inductance, 73: reflux diode, 7
4 large capacity capacitors such as electric double layer capacitors,
75 ... feeding diode.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 武藤 信義 茨城県ひたちなか市市毛1070番地 株式会 社日立製作所水戸工場内 (72)発明者 廣瀬 正之 茨城県ひたちなか市市毛1070番地 株式会 社日立製作所水戸工場内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Nobuyoshi Muto 1070 Ma, Hitachinaka-shi, Ibaraki Pref.Hitachi, Ltd., Mito Plant (72) Inventor Masayuki Hirose 1070 Ma, Hitachinaka-shi, Ibaraki Hitachi, Ltd. Mito factory
Claims (5)
タ、該コンバータの直流側に接続した平滑コンデンサ、
該平滑コンデンサの直流電圧を可変周波数，可変電圧に
変換するインバータ、該インバータで駆動する電動機、
該電動機でかごを駆動するエレベーターにおいて、前記
コンバータと前記インバータとの間に自己消弧形スイッ
チング素子とインダクタンスと還流ダイオードと大容量
コンデンサからなる降圧回路を構成し、前記大容量コン
デンサに直列に給電ダイオードを接続し、前記インバー
タの直流側に電力を供給することを特徴とするエレベー
ターの制御装置。1. A converter for converting an AC power supply into a DC voltage, a smoothing capacitor connected to a DC side of the converter,
An inverter for converting the DC voltage of the smoothing capacitor into a variable frequency and a variable voltage, a motor driven by the inverter,
In an elevator that drives a car with the electric motor, a step-down circuit including a self-extinguishing switching element, an inductance, a return diode, and a large-capacity capacitor is configured between the converter and the inverter, and power is supplied in series to the large-capacity capacitor. A control device for an elevator, wherein a diode is connected and power is supplied to a DC side of the inverter.
滑コンデンサの電圧を検出する第一電圧検出器、前記停
電検出器と前記第一電圧検出器の出力で前記コンバータ
を制御するコンバータ制御手段，大容量コンデンサの電
圧を検出する第二電圧検出器、直流電流検出器、前記第
二電圧検出器の出力と直流電流検出器の出力で前記自己
消弧形スイッチング素子を制御する降圧回路制御手段を
備え、前記降圧回路制御手段は、交流電源が正常の時は
大容量コンデンサの電圧を所定値に制御し、停電で且つ
電動機が回生状態の時、回生電力を大容量コンデンサに
充電するよう制御することを特徴とする請求項１項記載
のエレベーターの制御装置。2. A power failure detector for detecting a power failure of an AC power supply, a first voltage detector for detecting a voltage of a smoothing capacitor, and a converter control for controlling the converter based on outputs of the power failure detector and the first voltage detector. Means, a second voltage detector for detecting a voltage of a large-capacitance capacitor, a DC current detector, a step-down circuit control for controlling the self-extinguishing type switching element by an output of the second voltage detector and an output of the DC current detector. Means for controlling the voltage of the large-capacity capacitor to a predetermined value when the AC power supply is normal, and charging the regenerated power to the large-capacity capacitor when the power is out and the motor is in the regenerative state. The elevator control device according to claim 1, wherein the control is performed.
は、停電検出器で停電を検出した時、コンバータの動作
を停止するよう制御することを特徴とするエレベーター
の制御装置。3. The elevator control device according to claim 2, wherein the converter control means controls to stop the operation of the converter when a power failure is detected by the power failure detector.
サは、照明，ブレーキ，制御装置などエレベーターに使
用する全てのエネルギーに使用するように構成したこと
を特徴とするエレベーターの制御装置。4. The elevator control device according to claim 1, wherein the large-capacity capacitor is used for all energy used for the elevator, such as lighting, a brake, and a control device.
サは、停電で且つ電動機が力行状態の時、給電ダイオー
ドを介し電力を自動的にインバータに給電することを特
徴とするエレベーターの制御装置。5. The elevator control device according to claim 1, wherein the large-capacity capacitor automatically supplies power to the inverter via the power supply diode when the power is out and the motor is in a power running state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02172998A JP3318252B2 (en) | 1998-02-03 | 1998-02-03 | Elevator control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02172998A JP3318252B2 (en) | 1998-02-03 | 1998-02-03 | Elevator control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11217166A true JPH11217166A (en) | 1999-08-10 |
| JP3318252B2 JP3318252B2 (en) | 2002-08-26 |
Family
ID=12063175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02172998A Expired - Lifetime JP3318252B2 (en) | 1998-02-03 | 1998-02-03 | Elevator control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3318252B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1268335A1 (en) | 2000-03-31 | 2003-01-02 | Inventio Ag | Device and method for reducing the power of the supply connection in lift systems |
| JP2003529512A (en) * | 2000-03-31 | 2003-10-07 | インベンテイオ・アクテイエンゲゼルシヤフト | Emergency current supply device for elevator equipment |
| JP2005263409A (en) * | 2004-03-18 | 2005-09-29 | Toshiba Elevator Co Ltd | Elevator control device |
| JP2005324878A (en) * | 2004-05-12 | 2005-11-24 | Toshiba Elevator Co Ltd | Elevator control device |
| KR100913337B1 (en) | 2006-08-31 | 2009-08-21 | 도시바 엘리베이터 가부시키가이샤 | Elevator control apparatus |
| US8575869B2 (en) | 2008-08-01 | 2013-11-05 | Kone Corporation | Arrangement and method in connection with a transport system |
| EP3640175A1 (en) * | 2018-10-19 | 2020-04-22 | Otis Elevator Company | Decentralized power management in an elevator system |
| CN112607537A (en) * | 2020-12-10 | 2021-04-06 | 日立楼宇技术（广州）有限公司 | Elevator emergency system control method and device, elevator, equipment and storage medium |
| WO2024092409A1 (en) * | 2022-10-31 | 2024-05-10 | Siemens Aktiengesellschaft | Motor driver and motor driving system |
-
1998
- 1998-02-03 JP JP02172998A patent/JP3318252B2/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1268335A1 (en) | 2000-03-31 | 2003-01-02 | Inventio Ag | Device and method for reducing the power of the supply connection in lift systems |
| JP2003529512A (en) * | 2000-03-31 | 2003-10-07 | インベンテイオ・アクテイエンゲゼルシヤフト | Emergency current supply device for elevator equipment |
| JP4544884B2 (en) * | 2004-03-18 | 2010-09-15 | 東芝エレベータ株式会社 | Elevator control device |
| JP2005263408A (en) * | 2004-03-18 | 2005-09-29 | Toshiba Elevator Co Ltd | Elevator control device |
| JP2005263409A (en) * | 2004-03-18 | 2005-09-29 | Toshiba Elevator Co Ltd | Elevator control device |
| US7837011B2 (en) | 2004-03-18 | 2010-11-23 | Toshiba Elevator Kabushiki Kaisha | Elevator controller |
| JP2005324878A (en) * | 2004-05-12 | 2005-11-24 | Toshiba Elevator Co Ltd | Elevator control device |
| KR100913337B1 (en) | 2006-08-31 | 2009-08-21 | 도시바 엘리베이터 가부시키가이샤 | Elevator control apparatus |
| US8575869B2 (en) | 2008-08-01 | 2013-11-05 | Kone Corporation | Arrangement and method in connection with a transport system |
| EP3640175A1 (en) * | 2018-10-19 | 2020-04-22 | Otis Elevator Company | Decentralized power management in an elevator system |
| CN111071875A (en) * | 2018-10-19 | 2020-04-28 | 奥的斯电梯公司 | Decentralized power management in an elevator system |
| US11613444B2 (en) | 2018-10-19 | 2023-03-28 | Otis Elevator Company | Decentralized power management in an elevator system |
| CN112607537A (en) * | 2020-12-10 | 2021-04-06 | 日立楼宇技术（广州）有限公司 | Elevator emergency system control method and device, elevator, equipment and storage medium |
| WO2024092409A1 (en) * | 2022-10-31 | 2024-05-10 | Siemens Aktiengesellschaft | Motor driver and motor driving system |
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