JP2007137620A - Elevator control device and control device group for evacuation - Google Patents

Elevator control device and control device group for evacuation Download PDF

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JP2007137620A
JP2007137620A JP2005335516A JP2005335516A JP2007137620A JP 2007137620 A JP2007137620 A JP 2007137620A JP 2005335516 A JP2005335516 A JP 2005335516A JP 2005335516 A JP2005335516 A JP 2005335516A JP 2007137620 A JP2007137620 A JP 2007137620A
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evacuation
power
control device
elevator
floor
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JP4964455B2 (en
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Yuichi Sakano
裕一 坂野
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator control device and control device group for evacuation for operating an elevator to evacuate all people required to be evacuated only by electric power of an electric power storage device when electric power failure occurs in a commercial system. <P>SOLUTION: This elevator control device 20 for evacuation controls the elevator for lifting/lowering a passenger car 1 at the time of evacuation by an AC indirect electric power conversion system 9 having a rectifying circuit 12, an inverter 13 and the electric power storage device 14 connected to the rectifying circuit 12 in parallel with the inverter 13. The elevator control device 20 for evacuation is provided with an evacuation detecting device 21 detecting that it is evacuation time; an electric power failure detecting device 22 for detecting electric power failure in the commercial system; and an inverter control device 26 for performing lowering operation of the passenger car 1 from a rescue floor to an evacuation floor by electric energy within electric energy which was charged in the electric power storage device 14 at the time of lifting operation of the passenger car 1 from the evacuation floor to the rescue floor, and for controlling the operation of the passenger car 1 to maintain charge/discharge depth of the electric power storage device 14 at a constant level or higher, when electric power failure occurred in the commercial system at the time of evacuation. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、二次電池などの電力貯蔵装置を使用して避難時にもエレベータを運転する避難用エレベータ制御装置および制御装置群に関するものである。   The present invention relates to an evacuation elevator control device and a control device group for operating an elevator even during evacuation using a power storage device such as a secondary battery.

従来、火災や地震が発生したときなど避難が必要とするとき、エレベータは走行中に停止してしまう可能性があるため、エレベータを使用禁止にする考え方が主流であったが、最近、エレベータが使用できる範囲で避難用に運転を継続することにより、避難を効率的に行うという避難用にエレベータを使用するという考え方が提案されている(例えば、特許文献1参照)。
そして、避難用のエレベータの電源は、ビル全体が避難を完了するまでエレベータの運転を継続するために、貯蔵電力の小さな電力貯蔵装置からではなく、ビル側に設置する自家発電装置から供給されている。
しかし、近年の電力を貯蔵する技術の発展にともない、直流回路を備える交流間接変換装置と直流回路に接続される電力貯蔵装置とを用いて停電時にも電力貯蔵装置だけの電力によりエレベータを運転することが提案されている(例えば、特許文献2参照)。
Conventionally, when an evacuation is necessary, such as when a fire or earthquake occurs, the elevator may stop while traveling, so the idea of prohibiting the use of the elevator has been the mainstream. There has been proposed a concept of using an elevator for evacuation to efficiently perform evacuation by continuing operation for evacuation within a usable range (for example, see Patent Document 1).
And the power of the elevator for evacuation is supplied from the private power generator installed on the building side, not from the power storage device with small stored power, in order to continue the operation of the elevator until the whole building completes evacuation Yes.
However, with the recent development of technology for storing electric power, the elevator is operated by the electric power of only the electric power storage device even during a power failure using the AC indirect conversion device including the DC circuit and the electric power storage device connected to the DC circuit. (For example, refer to Patent Document 2).

特開2005−67762号公報JP-A-2005-67662 特開2004−18254号公報JP 2004-18254 A

しかし、電力貯蔵装置の電力だけでエレベータの運転を継続するときに、例えば、救出階からカゴ負荷が小さい状態で乗客カゴを下降運転すると、それだけで多くの電力を消費してしまい、ビル全体が避難するまでエレベータの運転を継続することができなくなる。
また、電力貯蔵装置の充放電電力は商用系統に比べて小さく、商用系統から受電しているときのように大きな電力で運転すると電力貯蔵装置から有効に充放電できる電力量が少なくなる。
このように電力貯蔵装置だけを電源としてエレベータを運転するときには、通常時のように運転すると運転回数が少なくなってしまうという問題がある。
However, when continuing the operation of the elevator only with the power of the power storage device, for example, if the passenger car is lowered from the rescue floor in a state where the car load is small, it consumes a lot of power, and the entire building is consumed. Elevator operation cannot be continued until evacuation.
In addition, the charge / discharge power of the power storage device is smaller than that of the commercial system, and the amount of power that can be effectively charged / discharged from the power storage device is reduced when the power storage device is operated with large power as when receiving power from the commercial system.
As described above, when an elevator is operated using only the power storage device as a power source, there is a problem that the number of times of operation is reduced when the elevator is operated as usual.

この発明の目的は、商用系統が停電しているときに電力貯蔵装置の電力だけで避難を要する人全員を避難させるようにエレベータを運転する避難用エレベータ制御装置および制御装置群を提供することである。   An object of the present invention is to provide an evacuation elevator control device and a control device group that operate an elevator so as to evacuate all people who need to evacuate only with the electric power of the power storage device when a commercial system has a power failure. is there.

この発明に係わる避難用エレベータ制御装置は、商用系統の交流電力を直流電力に変換する整流回路、上記直流電力とエレベータの乗客カゴを昇降するときに電動機に加わる力行電力または回生電力とを双方向に変換するインバータおよび上記インバータと並列に上記整流回路に接続されるとともに直流電力が充放電される電力貯蔵装置を備える交流間接電力変換装置により上記乗客カゴが昇降されるエレベータを避難時に制御する避難用エレベータ制御装置において、避難時であることを検出する避難検出装置と、上記商用系統の停電を検出する停電検出装置と、避難時において上記商用系統が停電に至ったとき、上記乗客カゴを避難階から救出階に上昇運転したときに上記電力貯蔵装置に充電された電力量以内の電力量で上記乗客カゴを該救出階から上記避難階に下降運転を行い、上記電力貯蔵装置の充放電深度を一定以上に保つように上記乗客カゴの運転を制御するインバータ制御装置と、を備える。   An elevator control apparatus for evacuation according to the present invention is a rectifier circuit that converts AC power of commercial systems into DC power, and bidirectionally transmits the DC power and power running power or regenerative power applied to the motor when the elevator passenger car is raised and lowered. An evacuation for controlling an elevator in which the passenger car is moved up and down by an AC indirect power conversion device including an inverter for converting to a DC and a power storage device connected to the rectifier circuit in parallel with the inverter and charged and discharged with DC power In an elevator control device for evacuation, an evacuation detection device for detecting that it is during evacuation, a power outage detection device for detecting a power outage of the commercial system, and evacuating the passenger car when the commercial system reaches a power outage during evacuation Passenger baskets with the amount of power within the amount of power charged in the power storage device when driving up from the floor to the rescue floor It performs decreasing operation to the evacuation floor from the rescue floor, and a inverter control device for controlling operation of the passenger car to keep the above constant discharge depth of the power storage device.

この発明に係わる避難用エレベータ制御装置の効果は、商用系統が停電しているときに、交流間接電力交換装置の直流回路に接続されている電力貯蔵装置を用いて、避難階から救出階への上昇運転により発生する回生電力を一旦電力貯蔵装置に充電し、この充電された電力以内で救出階から避難階へ力行運転ができる負荷率に達するまで待機して力行運転するので、商用系統が停電し、かつ電力貯蔵装置の充放電深度も下限深度以下に低下していても避難にエレベータを使用できる。   The effect of the elevator control device for evacuation according to the present invention is that when the commercial system is out of power, the power storage device connected to the DC circuit of the AC indirect power exchange device is used to move from the evacuation floor to the rescue floor. The regenerative power generated by the ascending operation is once charged in the power storage device, and the power system is powered on standby until it reaches a load factor that allows power running from the rescue floor to the evacuation floor within this charged power, so the commercial system is blacked out In addition, the elevator can be used for evacuation even if the charge / discharge depth of the power storage device is reduced below the lower limit depth.

実施の形態1.
図1は、この発明の実施の形態1に係わる避難用エレベータの構成図である。
この発明に係わる避難用エレベータは、図1に示すように、乗りカゴ1、乗りカゴ1とロープ2を介して接続される釣合錘3、ロープ2を巻き上げて乗客カゴ1を昇降する電動機5を備える巻上機6、商用系統8の交流電力を可変電圧可変周波数の交流電力に変換して電動機5を駆動する交流間接電力変換装置9を備える。
この交流間接電力変換装置9は、商用系統8の交流電力を直流電力に変換して直流回路11に供給する整流回路12、整流回路12に接続される直流回路11、直流回路11の直流電力を可変電圧可変周波数の交流電力に変換するインバータ13、直流電力が貯蔵される電力貯蔵装置14、直流回路11と電力貯蔵装置14との間で充放電する充放電回路15、電力貯蔵装置14の充放電深度を検出する充放電深度検出装置16、充放電回路15を制御する充放電制御装置17を備える。
電力貯蔵装置14は、鉛酸蓄電池、ニッケル水素電池、リチウムイオン電池、電気2重層コンデンサ、ナトリウムー硫黄電池など電力を貯蔵できるものであればよい。
充放電深度検出装置16は、充放電制御装置17を制御して、短時間充放電を中止し、開放端子電圧を計測して、充放電深度テーブルを参照して充放電深度を求める。この充放電深度テーブルには、開放端子電圧と充放電深度との関係がテーブルとして記憶されている。上限充電電圧に達したとき充放電深度100%、下限放電電圧に達したとき充放電深度0%と定める。
Embodiment 1 FIG.
1 is a block diagram of an evacuation elevator according to Embodiment 1 of the present invention.
As shown in FIG. 1, an evacuation elevator according to the present invention includes a car 1, a counterweight 3 connected to the car 1 through a rope 2, and an electric motor 5 that lifts and lowers the passenger car 1 by winding up the rope 2. And an AC indirect power converter 9 that drives the motor 5 by converting AC power of the commercial system 8 into AC power of variable voltage and variable frequency.
This AC indirect power converter 9 converts the AC power of the commercial system 8 into DC power and supplies it to the DC circuit 11, the DC circuit 11 connected to the rectifier circuit 12, and the DC power of the DC circuit 11. Inverter 13 for converting to AC power of variable voltage and variable frequency, power storage device 14 for storing DC power, charge / discharge circuit 15 for charging / discharging between DC circuit 11 and power storage device 14, charging of power storage device 14 A charge / discharge depth detection device 16 that detects the depth of discharge and a charge / discharge control device 17 that controls the charge / discharge circuit 15 are provided.
The power storage device 14 may be any device that can store power, such as a lead acid battery, a nickel metal hydride battery, a lithium ion battery, an electric double layer capacitor, or a sodium-sulfur battery.
The charge / discharge depth detection device 16 controls the charge / discharge control device 17 to stop the charge / discharge for a short time, measure the open terminal voltage, and obtain the charge / discharge depth by referring to the charge / discharge depth table. In this charge / discharge depth table, the relationship between the open terminal voltage and the charge / discharge depth is stored as a table. When the upper limit charging voltage is reached, the charge / discharge depth is set to 100%, and when the lower limit discharge voltage is reached, the charge / discharge depth is set to 0%.

そして、避難用エレベータ制御装置20は、避難指示を検出する避難検出装置21、商用系統8の停電を検出する停電検出装置22、電動機5の回転速度から乗客カゴ1の速度を検出する速度検出器23、乗客カゴ1の負荷率を検出する負荷率検出器24、避難指示が発せられ、停電していないときに停電準備のために電力貯蔵装置14を充電する停電準備装置25、停電して避難を要するときにインバータ13を制御するインバータ制御装置26を備える。   The evacuation elevator control device 20 includes an evacuation detection device 21 that detects an evacuation instruction, a power failure detection device 22 that detects a power failure in the commercial system 8, and a speed detector that detects the speed of the passenger car 1 from the rotational speed of the electric motor 5. 23, a load factor detector 24 for detecting the load factor of the passenger car 1, an evacuation instruction is issued, and a power outage preparation device 25 for charging the power storage device 14 to prepare for a power outage when there is no power outage; Is provided with an inverter control device 26 that controls the inverter 13.

避難検出装置21は、例えば、火災警報機や地震計などからの火災や地震が発生したことを知らせる情報を受信したとき、避難開始信号を停電準備装置25およびインバータ制御装置26に送信する。
停電検出装置22は、商用系統8の電圧を常時計測し、所定の電圧、例えば、定格電圧の85%以下に低下したとき、停電信号を停電準備装置25およびインバータ制御装置26に送信する。
速度検出器23は、例えば、図示しないリニアーエンコーダで電動機の回転軸の回転角度を検出し、その回転角度から回転軸の回転速度を求め、それを乗客カゴ1の速度に換算してインバータ制御装置26に送信する。
負荷率検出器24は、乗客カゴ1に乗車した乗客や荷物の重量を検出し、予め定められる定格積載量wとの比を求め、それを負荷率βとしてインバータ制御装置26に送信する。
The evacuation detection device 21 transmits an evacuation start signal to the power failure preparation device 25 and the inverter control device 26 when receiving information notifying that a fire or earthquake has occurred, for example, from a fire alarm or a seismometer.
The power failure detection device 22 constantly measures the voltage of the commercial system 8 and transmits a power failure signal to the power failure preparation device 25 and the inverter control device 26 when the voltage drops to a predetermined voltage, for example, 85% or less of the rated voltage.
For example, the speed detector 23 detects the rotation angle of the rotating shaft of the motor with a linear encoder (not shown), obtains the rotating speed of the rotating shaft from the rotating angle, converts it to the speed of the passenger car 1, and converts it into an inverter control device. 26.
Load rate detector 24 detects the weight of passengers and luggage riding in the passenger car 1, we obtain the ratio of the rated load capacity w F be predetermined, and transmits it to the inverter control unit 26 as a load factor beta.

停電準備装置25は、避難検出装置21からの避難開始信号を受信したが停電検出装置22からの停電信号を受信していないとき、充放電深度検出装置16を用いて電力貯蔵装置14の充放電深度を検出し、充放電深度が例えば90%以下のとき、充放電制御装置17を制御して電力貯蔵装置14に充電する。このように避難が必要になったときに、停電までの間電力貯蔵装置に14にできる限りの電力を貯蔵するので、停電後もその電力を消費することによりエレベータを稼動することができる。   When the power failure preparation device 25 receives the evacuation start signal from the evacuation detection device 21 but does not receive the power failure signal from the power failure detection device 22, the power storage device 14 is charged and discharged using the charge / discharge depth detection device 16. The depth is detected, and when the charge / discharge depth is 90% or less, for example, the charge / discharge control device 17 is controlled to charge the power storage device 14. Thus, when evacuation becomes necessary, the power storage device stores as much power as possible in the power storage device until the power failure, so that the elevator can be operated by consuming the power even after the power failure.

インバータ制御装置26は、通常時、図示しない乗場および乗客カゴ1からの呼びに対応して予め設定されている速度パターンと乗客カゴ1の速度とを用いてインバータ13を制御してエレベータを通常運転する。
また、インバータ制御装置26は、避難開始信号を受信し、かつ商用系統が活きているとき、避難のために救出階に乗客が載っていないカラの乗客カゴ1を配車し、救出階で避難する人を載せて避難階まで乗客カゴ1を避難運転する。このときは、商用系統8が活きているので、定格速度により運転する。
また、インバータ制御装置26は、避難開始信号を受信済で停電信号を受信したとき、電力貯蔵装置14の充放電深度が放電下限値以下か否かを判断し、充放電深度が放電下限値を超えているとき避難階から救出階への上昇運転では停電時回生速度により上昇運転を行い、救出階から避難階への下降運転では停電時力行速度により下降運転を行う。
一方、充放電深度が放電下限値以下のとき避難階から救出階への上昇運転では、停電時回生速度により運転するが、救出階から避難階への下降運転では、上昇運転において回生され、電力貯蔵装置14に充電された充電電力量以内で力行運転するように、負荷率βが力行運転可能負荷率以上になるまで、下降運転を中断する。そして、負荷率βが力行運転可能負荷率以上になった時点で下降運転を再開する。
放電下限値は、充放電深度がこの値以下になると、過放電状態に陥り、電力貯蔵装置14の寿命が短くなってしまう限界値である。
The inverter control device 26 normally controls the inverter 13 by using the speed pattern and the speed of the passenger car 1 that are set in advance in response to calls from the hall and passenger car 1 (not shown), and normally operates the elevator. To do.
Further, when the inverter control device 26 receives the evacuation start signal and the commercial system is active, the inverter control device 26 dispatches the empty passenger cage 1 on which no passenger is placed on the rescue floor for evacuation and evacuates on the rescue floor. Put passengers and evacuate passenger car 1 to the evacuation floor. At this time, since the commercial system 8 is alive, it is operated at the rated speed.
Further, when the inverter control device 26 has received the evacuation start signal and receives the power failure signal, the inverter control device 26 determines whether the charge / discharge depth of the power storage device 14 is equal to or lower than the discharge lower limit value, and the charge / discharge depth indicates the discharge lower limit value. When exceeding, the ascending operation from the evacuation floor to the rescue floor is performed by the ascending operation at the power failure speed during the power failure, and the descending operation from the rescue floor to the evacuation floor is performed by the power operation speed during the power failure.
On the other hand, in the ascending operation from the evacuation floor to the rescue floor when the charge / discharge depth is less than the discharge lower limit value, it operates at the regenerative speed at the time of power failure, but in the descending operation from the rescue floor to the evacuation floor, it is regenerated in the ascending operation. The descent operation is interrupted until the load factor β becomes equal to or higher than the load factor capable of powering operation so that the powering operation is performed within the amount of charging power charged in the storage device 14. Then, the descent operation is resumed when the load factor β becomes equal to or higher than the load factor capable of powering operation.
The discharge lower limit value is a limit value at which the life of the power storage device 14 is shortened when the charge / discharge depth is less than or equal to this value.

次に、この発明の避難用エレベータ制御装置20の動作に関連する関係式を説明する。
エレベータの乗客カゴ1の重量wCAR、釣合錘3の重量wCWT、定格積載量w、カウンタ率C=(wCWT−wCAR)/w、乗客カゴ1に載った乗客などの積載量β・wとすると、乗客カゴ1が上昇するときの電動機5の仕事W(β,v)は、式(1)で表される。但し、aは乗客カゴ1が上昇するときの比例定数、βは負荷率で0≦β≦1の範囲の実数、vは乗客カゴ1の上昇速度で上昇方向を正とする。
Next, a relational expression related to the operation of the elevator control apparatus 20 for evacuation according to the present invention will be described.
Elevator passenger car 1 weight w CAR , counterweight 3 weight w CWT , rated load capacity w F , counter rate C = (w CWT −w CAR ) / w F , loading of passengers on passenger car 1 Assuming that the amount is β · w F , the work W K (β, v K ) of the electric motor 5 when the passenger car 1 is raised is expressed by the equation (1). However, a 1 is a proportionality constant when the passenger car 1 is raised, beta is a real number in the range of 0 ≦ beta ≦ 1 in the load factor, v K is the upward and forward at a rising speed of the passenger car 1.

(β,v)=a・v・(β−C)・w・・・(1) W K (β, v K ) = a 1 · v K · (β−C) · w F (1)

そして、負荷率βがカウンタ率Cより大きいとき、仕事W(β,v)は正となり、電気エネルギーが機械エネルギーに変換される力行運転となる。一方、負荷率βがカウンタ率Cより小さいとき、仕事W(β,v)は負となり、機械エネルギーが電気エネルギーに変換される回生運転となる。 When the load factor β is larger than the counter rate C, the work W K (β, v K ) becomes positive, and a power running operation is performed in which electric energy is converted into mechanical energy. On the other hand, when the load factor β is smaller than the counter rate C, the work W K (β, v K ) is negative, and a regenerative operation is performed in which mechanical energy is converted into electric energy.

乗客カゴ1が下降するときの電動機5の仕事W(β,v)は、式(2)で表される。但し、aは乗客カゴ1が下降するときの比例定数、vは乗客カゴ1の下降速度で上昇方向を正とする。 The work W R (β, v R ) of the electric motor 5 when the passenger car 1 is lowered is expressed by the equation (2). However, a 2 is a proportional constant when the passenger car 1 is lowered, v R is the rising direction is positive at a lowering speed of the passenger car 1.

(β,v)=a・(−v)・(β−C)・w・・・(2) W R (β, v R ) = a 2 · (−v R ) · (β−C) · w F (2)

そして、負荷率βがカウンタ率Cより大きいとき、仕事W(β,v)は負となり、機械エネルギーが電気エネルギーに変換される回生運転となる。一方、負荷率βがカウンタ率Cより小さいとき、仕事W(β,v)は正となり、電気エネルギーが機械エネルギーに変換される力行運転となる。 When the load factor β is larger than the counter rate C, the work W R (β, v R ) becomes negative, and a regenerative operation is performed in which mechanical energy is converted into electric energy. On the other hand, when the load factor β is smaller than the counter rate C, the work W R (β, v R ) becomes positive and the power running operation is performed in which electric energy is converted into mechanical energy.

なお、エレベータを避難に用いるときは、避難階、通常地上階から救出階(i階)まで乗客カゴ1に乗客が載らず乗客カゴ1を上昇運転して配車し、救出階で避難者が載って避難階まで下降運転して避難することが想定されている。そこで、配車のための避難階から救出階への上昇運転では負荷率βを零として検討する。また、避難のための救出階から避難階への下降運転では、負荷率βが乗客の数により変動するとして検討する。   When an elevator is used for evacuation, passengers do not ride on the passenger car 1 from the evacuation floor, the normal ground floor to the rescue floor (i floor), and the passenger car 1 is lifted and dispatched, and the refugees are placed on the rescue floor. It is assumed that the driver will evacuate by descending to the evacuation floor. Therefore, the load factor β is considered to be zero in the ascending operation from the evacuation floor to the rescue floor for dispatch. In the descent operation from the rescue floor for evacuation to the evacuation floor, it is considered that the load factor β varies depending on the number of passengers.

次に、停電しているときに電力貯蔵装置14の電力だけを用いてエレベータを力行運転、回生運転するときの制約条件について説明する。なお、この説明では、放電回路が備えられていないので、回生電力は電力貯蔵装置14にだけ充電されるとして説明する。
乗客カゴ1を上昇する回生運転により発生する回生電力W(β,v)は、式(1)から分かるように負荷率βが零のとき最大になるので、そのときの回生電力W(0,v)の大きさは、式(3)で表される。そしてこの回生電力W(0,v)を、電力貯蔵装置14の上限充電電力以下に収まるようにしなければならない。そして、電力貯蔵装置14の上限充電電力W、充電効率Kとすると、式(4)の関係を満足しなければならない。ゆえに、速度vを、式(5)の範囲に制約することが必要である。そして、このW/(K・a・C・w)を停電時回生速度と称する。
Next, a description will be given of the constraint conditions when the elevator is powered and regenerated using only the power of the power storage device 14 during a power failure. In this description, since the discharge circuit is not provided, it is assumed that the regenerative power is charged only to the power storage device 14.
Generated by the regenerative operation for raising the passenger car 1 regenerative power W K (β, v K), since the load factor as can be seen from equation (1) beta is maximized when the zero, the regenerative power W K at that time The magnitude of (0, v K ) is expressed by equation (3). The regenerative power W K (0, v K ) must be kept below the upper limit charging power of the power storage device 14. Then, if the upper limit charging power W C and the charging efficiency K C of the power storage device 14 are satisfied, the relationship of Expression (4) must be satisfied. Therefore, it is necessary to constrain the velocity v K to the range of equation (5). This W C / (K C · a 1 · C · w F ) is referred to as a power failure regenerative speed.

(0,v)=a・v・C・w・・・(3)
≧W(0,v)・K・・・(4)
/(K・a・C・w)≧v・・・(5)
W K (0, v K ) = a 1 · v K · C · w F (3)
W C ≧ W K (0, v K ) · K C (4)
W C / (K C · a 1 · C · w F ) ≧ v K (5)

また、乗客カゴ1を下降する力行運転のために必要な力行電力W(β,v)は、式(2)から分かるように負荷率βが零になるときに最大になるので、そのときの力行電力W(0,v)の大きさは、式(6)で表される。そしてこの力行電力W(0,v)を、電力貯蔵装置14の上限放電電力以下に収まるようにしなければならない。そして、電力貯蔵装置14の上限放電電力W、放電効率Kとすると、式(7)の関係を満足しなければならない。ゆえに、速度vを、式(8)の範囲に制約することが必要である。この、W・K/(a・C・w)を停電時力行速度と称する。 Further, the power running power W R (β, v R ) necessary for the power running operation for lowering the passenger car 1 becomes maximum when the load factor β becomes zero as can be seen from the equation (2). The magnitude of the power running power W R (0, v R ) at this time is expressed by Equation (6). The power running power W R (0, v R ) must be kept below the upper limit discharge power of the power storage device 14. Then, the upper discharge power W D of the power storage device 14, when the discharge efficiency K D, must satisfy the relationship of Equation (7). Therefore, it is necessary to constrain the velocity v R to the range of equation (8). This W D · K D / (a 2 · C · w F ) is referred to as the power running speed during a power failure.

(0,v)=a・v・C・w・・・(6)
≧W(0,v)/K・・・(7)
・K/(a・C・w)≧v・・・(8)
W R (0, v R ) = a 2 · v R · C · w F (6)
W D ≧ W R (0, v R ) / K D (7)
W D · K D / (a 2 · C · w F) ≧ v R ··· (8)

このように停電時に停電時回生速度または停電時力行速度で運転するので、回生された回生電力をすべて電力貯蔵装置に充電することができるし、力行運転のための力行電力を電力貯蔵装置だけから供給できるので、他の装置を備えなくてもよい。   In this way, since it operates at the power recovery speed at the time of a power failure or at the power running speed at the time of a power failure, all the regenerative power regenerated can be charged to the power storage device, and the power running power for power running operation can be obtained only from the power storage device Since it can supply, it is not necessary to provide another apparatus.

次に、避難階から救出階(i階)への配車のときに回生される回生電力量、救出階(i階)から避難階へ運転するときに力行される力行電力量について説明する。
このときの回生電力量E(i)は、式(9)で表される。なお、t(i)は避難階から救出階(i階)までに要する時間、L(i)は、避難階から救出階(i階)までの距離である。
Next, a description will be given of the regenerative power amount regenerated when the vehicle is dispatched from the evacuation floor to the rescue floor (i floor) and the power running energy amount that is powered when driving from the rescue floor (i floor) to the evacuation floor.
The regenerative electric energy E K (i) at this time is expressed by Expression (9). Note that t K (i) is the time required from the evacuation floor to the rescue floor (i floor), and L (i) is the distance from the evacuation floor to the rescue floor (i floor).

(i)=W(0,v)×t(i)
=a・L(i)・C・w・・・(9)
E K (i) = W K (0, v K ) × t K (i)
= A 1 · L (i) · C · w F (9)

負荷率βでの力行電力量E(i)は、式(10)で表される。なお、t(i)は救出階から避難階までに要する時間である。 The power running energy E R (i) at the load factor β is expressed by Expression (10). T R (i) is the time required from the rescue floor to the evacuation floor.

(i)=W(β,v)×t(i)
=a・L(i)・(β−C)・w・・・(10)
E R (i) = W R (β, v R ) × t R (i)
= A 2 · L (i) · (β-C) · w F (10)

そして、停電時において避難階から救出階までの回生運転により電力貯蔵装置に貯蔵された電力を用いて、救出階から避難階までの力行運転を行うときの制約条件を説明する。
避難階から救出階までの回生運転で回生された回生電力が電力貯蔵装置に充電される充電電力量は、E(i)・Kである。また、救出階から避難階までの力行運転のために電力貯蔵装置から放電される放電電力量は、E(i)/Kである。そして、この充電電力量E(i)・Kと放電電力量E(i)/Kとは式(11)の関係を満足しなければならない。そして、負荷率βが式(12)を満足しなければならない。この(C−E(i)・K・K/a・L(i)・w)を力行運転可能負荷率と称す。
And the constraint conditions when performing the power running operation from a rescue floor to an evacuation floor using the electric power stored by the power storage device by the regenerative operation from an evacuation floor to a rescue floor at the time of a power failure are demonstrated.
The amount of electric power charged by the regenerative electric power regenerated from the evacuation floor to the rescue floor to charge the power storage device is E K (i) · K C. The discharge amount of power discharged from the power storage device for powering operation of the rescue floors to the evacuation floor is a E R (i) / K D . Then, the charge power amount E K (i) · K C and the discharge power amount E R (i) / K D must satisfy the relationship of Expression (11). And load factor (beta) must satisfy Formula (12). This (C−E K (i) · K C · K D / a 2 · L (i) · w F ) is referred to as a power running operable load factor.

(i)・K≧E(i)/K・・・(11)
β≧C−E(i)・K・K/a・L(i)・w・・・(12)
E K (i) · K C ≧ E R (i) / K D (11)
β ≧ C−E K (i) · K C · K D / a 2 · L (i) · w F (12)

次に、停電準備装置25における停電準備の手順を図2を参照して説明する。図2は、停電準備の手順を示すフローチャートである。
S101で、停電準備装置25は、避難検出装置21からの避難指令を確認する。
S102で、避難指令を受信したか否かを判断し、受信した場合、S103へ進み、受信していない場合、S101へ戻る。
S103で、充放電深度検出装置16を用いて電力貯蔵装置14の充放電深度を確認する。
S104で、充放電深度が停電前深度を超えているか否かを判断し、充放電深度が停電前深度を超えている場合、停電前準備を終了し、充放電深度が停電前深度以下の場合、S105へ進む。
S105で、充放電制御装置17を制御して所定の時間に亘って充電し、S103へ戻る。
Next, the procedure for power failure preparation in the power failure preparation device 25 will be described with reference to FIG. FIG. 2 is a flowchart showing a procedure for power failure preparation.
In S101, the power failure preparation device 25 confirms the evacuation command from the evacuation detection device 21.
In S102, it is determined whether or not an evacuation command has been received. If received, the process proceeds to S103, and if not received, the process returns to S101.
In S <b> 103, the charge / discharge depth of the power storage device 14 is confirmed using the charge / discharge depth detection device 16.
In S104, it is determined whether the charge / discharge depth exceeds the depth before the power failure. If the charge / discharge depth exceeds the depth before the power failure, the preparation before the power failure is terminated, and the charge / discharge depth is equal to or less than the depth before the power failure. , Go to S105.
In S105, the charge / discharge control device 17 is controlled to charge for a predetermined time, and the process returns to S103.

次に、インバータ制御装置26によるエレベータの避難運転を制御する手順を図3を参照して説明する。図3は、停電時に避難運転を行う手順を示すフローチャートである。
S201で、インバータ制御装置26は、避難検出装置21から避難指令を確認し、避難指令を受信したか否かを判断し、避難指令を受信した場合、S202へ進み、避難指令を受信していない場合、S212へ進む。
S202で、インバータ制御装置26は、停電検出装置22からの停電信号を確認し、停電信号を受信したか否かを判断し、受信した場合、S203へ進み、受信していない場合、S213へ進む。
Next, the procedure for controlling the elevator evacuation operation by the inverter control device 26 will be described with reference to FIG. FIG. 3 is a flowchart showing a procedure for performing an evacuation operation during a power failure.
In S201, the inverter control device 26 confirms the evacuation command from the evacuation detection device 21, determines whether or not the evacuation command is received, and if the evacuation command is received, proceeds to S202 and has not received the evacuation command. If so, the process proceeds to S212.
In S202, the inverter control device 26 confirms the power failure signal from the power failure detection device 22, determines whether or not a power failure signal has been received, and if received, proceeds to S203, otherwise proceeds to S213. .

S203で、充放電深度検出装置16を用いて電力貯蔵装置14の充放電深度を確認し、充放電深度が下限深度以下か否かを判断し、充放電深度が下限深度以下の場合、S204へ進み、充放電深度が下限深度を超えているとき、S208へ進む。
S204で、呼び登録の有無を判断し、呼び登録がある場合、S205へ進み、呼び登録がない場合、S201へ戻る。
S205で、呼び登録が上昇運転を必要とするか否かを判断し、上昇運転の場合、S210へ進み、下降運転の場合、S206へ進む。
S206で、負荷率検出器24を用いて負荷率を検出し、負荷率が力行運転可能負荷率以上であるか否かを判断し、負荷率が力行運転可能負荷率以上の場合、S211へ進み、負荷率が力行運転可能負荷率未満の場合、S207へ進む。
S207で、所定の時間待機してS206へ戻る。
In S203, the charge / discharge depth of the power storage device 14 is confirmed using the charge / discharge depth detection device 16, and it is determined whether the charge / discharge depth is equal to or lower than the lower limit depth. When the charge / discharge depth exceeds the lower limit depth, the process proceeds to S208.
In S204, the presence / absence of call registration is determined. If there is call registration, the process proceeds to S205.
In S205, it is determined whether or not the call registration requires an ascending operation. If it is an ascending operation, the process proceeds to S210, and if it is a descending operation, the process proceeds to S206.
In S206, the load factor is detected using the load factor detector 24, and it is determined whether or not the load factor is equal to or greater than the load factor capable of powering operation. If the load factor is equal to or greater than the load factor capable of powering operation, the process proceeds to S211. If the load factor is less than the load factor capable of power running, the process proceeds to S207.
In S207, the process waits for a predetermined time and returns to S206.

S208で、呼び登録の有無を判断し、呼び登録がある場合、S209へ進み、呼び登録がない場合、S201へ戻る。
S209で、呼び登録が上昇運転を必要とするか否かを判断し、上昇運転の場合、S210へ進み、下降運転の場合、S211へ進む。
S210で、救出階へ停電時回生速度で上昇運転を行い、S201へ戻る。
S211で、避難階へ停電時力行速度で下降運転を行い、S201へ戻る。
S212で、通常運転を行い、S201へ戻る。
S213で、避難運転を行い、S201へ戻る。
In S208, the presence / absence of call registration is determined. If there is call registration, the process proceeds to S209.
In S209, it is determined whether or not the call registration requires an ascending operation. If the ascending operation, the process proceeds to S210, and if the descending operation, the process proceeds to S211.
In S210, the ascending operation is performed at the regeneration speed at the time of a power failure to the rescue floor, and the process returns to S201.
In S211, the descent operation is performed to the evacuation floor at the power running speed at the time of power failure, and the process returns to S201.
In S212, normal operation is performed, and the process returns to S201.
In S213, evacuation operation is performed, and the process returns to S201.

このような避難用エレベータ制御装置は、商用系統が停電しているときに、交流間接電力交換装置の直流回路に接続されている電力貯蔵装置を用いて、避難階から救出階への上昇運転により発生する回生電力を一旦電力貯蔵装置に充電し、この充電された電力以内で救出階から避難階へ力行運転ができる負荷率に達するまで待機して力行運転するので、商用系統が停電していても避難にエレベータを使用できる。   Such an evacuation elevator control device uses a power storage device connected to the DC circuit of the AC indirect power exchange device when the commercial system is out of power, and ascends from the evacuation floor to the rescue floor. The regenerative power generated is temporarily charged in the power storage device, and the power system is powered on standby until it reaches a load factor that allows power running from the rescue floor to the evacuation floor within this charged power, so the commercial system is out of power Even elevators can be used for evacuation.

また、電力貯蔵装置の充放電深度が下限深度以下に低下しても、避難階から救出階への回生運転による回生電力だけを使用して救出階から避難階へ避難できるので、電力貯蔵装置を過放電状態になることを防げる。   Also, even if the charge / discharge depth of the power storage device falls below the lower limit depth, it is possible to evacuate from the rescue floor to the evacuation floor using only regenerative power from the evacuation floor to the rescue floor. Prevents an overdischarge condition.

また、避難指令が通報されてから停電になるまでの間を利用して電力貯蔵装置に充電するので、回生電力だけではなく、充電されている電力も合わせて使用でき、より長時間避難にエレベータを使用できる。   In addition, since the power storage device is charged from when the evacuation command is reported until the power failure occurs, not only regenerative power but also the charged power can be used together, and the elevator can be used for evacuation for a longer time. Can be used.

実施の形態2.
図4は、この発明の実施の形態2に係わる複数台の避難用エレベータの構成図である。
この制御装置群30は、ビルに設置された複数台のエレベータを避難時に制御する。そして、この制御装置群30は、各エレベータをそれぞれ制御する複数の避難用エレベータ制御装置20から構成されている。この避難用エレベータ制御装置20では、互いに乗客カゴ1を配車する階床データを共有し、避難時には、予め定められた乗客カゴ1だけを運転し、残りの乗客カゴ1は運転を休止する。
Embodiment 2. FIG.
FIG. 4 is a configuration diagram of a plurality of evacuation elevators according to the second embodiment of the present invention.
The control device group 30 controls a plurality of elevators installed in the building during evacuation. And this control apparatus group 30 is comprised from the several evacuation elevator control apparatus 20 which controls each elevator, respectively. In the elevator control device 20 for evacuation, floor data for allocating the passenger basket 1 are shared with each other, and at the time of evacuation, only the predetermined passenger basket 1 is operated, and the remaining passenger baskets 1 are stopped.

このような制御装置群30は、エレベータの運転台数を減らすので、通常時より乗場に乗客が集中し、乗客カゴ1に確実に多くの人が乗車することにより、負荷率を大きくなり、力行電力を小さくすることができる。さらに、負荷率が大きくなると、回生運転で救出階から避難階に下降することができる。   Since such a control device group 30 reduces the number of elevators operated, passengers are concentrated on the landing than usual, and a large number of people get on the passenger car 1 to increase the load factor. Can be reduced. Furthermore, when the load factor increases, the regenerative operation can lower the rescue floor to the evacuation floor.

実施の形態3.
この発明の実施の形態3に係わる制御装置群は、実施の形態2に係わる制御装置群30と同様に各避難用エレベータ制御装置20は、互いに乗客カゴ1を配車する階床データを共有しているが、避難時に運転台数を減らすのではなく、乗客カゴ1をそれぞれ異なる救出階と避難階との間でシャトル運転を行うことが異なっている。それ以外は実施の形態2と同様であるので、同様な部分の説明は省略する。
Embodiment 3 FIG.
As in the control device group 30 according to the second embodiment, the control device group according to the third embodiment of the present invention shares the floor data for allocating the passenger car 1 with each other. However, it is different that the passenger car 1 is shuttled between different rescue floors and evacuation floors, instead of reducing the number of operating cars during evacuation. Since other than that is the same as that of Embodiment 2, description of the same part is abbreviate | omitted.

このような制御装置群は、複数台の乗客カゴ1をそれぞれ異なる階床に配車するので、複数台の乗客カゴ1を1つの階床に配車した場合に比べて、救出階にいる全員が1台の乗客カゴ1に載り、負荷率を大きくなり、力行電力を小さくすることができる。さらに、負荷率が大きくなると、回生運転で救出階から避難階に下降することができる。   Since such a control device group dispatches a plurality of passenger baskets 1 to different floors, all the people on the rescue floor are 1 compared to the case where a plurality of passenger baskets 1 are dispatched to one floor. It can be placed on the passenger car 1 and the load factor can be increased and the power running power can be reduced. Furthermore, when the load factor increases, the regenerative operation can lower the rescue floor to the evacuation floor.

この発明の実施の形態1に係わる避難用エレベータの構成図である。It is a block diagram of the elevator for evacuation concerning Embodiment 1 of this invention. 停電準備の手順を示すフローチャートである。It is a flowchart which shows the procedure of a power failure preparation. 停電時に避難運転を行う手順を示すフローチャートである。It is a flowchart which shows the procedure which performs evacuation operation at the time of a power failure. この発明の実施の形態2に係わる複数台の避難用エレベータの構成図である。It is a block diagram of the several evacuation elevator concerning Embodiment 2 of this invention.

符号の説明Explanation of symbols

1 乗客カゴ、2 ロープ、3 釣合錘、5 電動機、6 巻上機、8 商用系統、9 交流間接電力変換装置、11 直流回路、12 整流回路、13 インバータ、14 電力貯蔵装置、15 充放電回路、16 充放電深度検出装置、17 充放電制御装置、20 避難用エレベータ制御装置、21 避難検出装置、22 停電検出装置、23 速度検出器、24 負荷率検出器、25 停電準備装置、26 インバータ制御装置、30 制御装置群。   1 Passenger basket, 2 ropes, 3 counterweights, 5 motors, 6 hoisting machines, 8 commercial systems, 9 AC indirect power converters, 11 DC circuits, 12 rectifier circuits, 13 inverters, 14 power storage devices, 15 charge / discharge Circuit, 16 Charge / discharge depth detection device, 17 Charge / discharge control device, 20 Evacuation elevator control device, 21 Evacuation detection device, 22 Power failure detection device, 23 Speed detector, 24 Load factor detector, 25 Power failure preparation device, 26 Inverter Control device, 30 control device group.

Claims (8)

商用系統の交流電力を直流電力に変換する整流回路、上記直流電力とエレベータの乗客カゴを昇降するときに電動機に加わる力行電力または回生電力とを双方向に変換するインバータおよび上記インバータと並列に上記整流回路に接続されるとともに直流電力が充放電される電力貯蔵装置を備える交流間接電力変換装置により上記乗客カゴが昇降されるエレベータを避難時に制御する避難用エレベータ制御装置において、
避難時であることを検出する避難検出装置と、
上記商用系統の停電を検出する停電検出装置と、
避難時において上記商用系統が停電に至ったとき、上記乗客カゴを避難階から救出階に上昇運転したときに上記電力貯蔵装置に充電された電力量以内の電力量で上記乗客カゴを救出階から避難階に下降運転を行い、上記電力貯蔵装置の充放電深度を一定以上に保つように上記乗客カゴの運転を制御するインバータ制御装置と、
を備えることを特徴とする避難用エレベータ制御装置。
A rectifier circuit for converting AC power of a commercial system to DC power, an inverter for bidirectionally converting the DC power and power running power or regenerative power applied to the motor when the elevator car of the elevator is raised and lowered, and the inverter in parallel In an evacuation elevator control device that controls an elevator in which the passenger car is moved up and down by an AC indirect power conversion device including an electric power storage device that is connected to a rectifier circuit and charged and discharged with DC power,
An evacuation detection device for detecting when evacuating;
A power failure detection device for detecting a power failure in the commercial system,
When the commercial system reaches a power outage at the time of evacuation, when the passenger car is lifted from the evacuation floor to the rescue floor, the passenger basket is removed from the rescue floor with an amount of power that is charged to the power storage device. An inverter control device that controls the operation of the passenger basket so as to perform a descent operation on an evacuation floor and keep the charge / discharge depth of the power storage device above a certain level;
An elevator control device for evacuation, comprising:
上記乗客カゴの負荷率を検出する負荷率検出器を備え、
上記インバータ制御装置は、上記負荷率が力行運転可能負荷率以上に達したとき上記乗客カゴを救出階から避難階に下降運転を行うことを特徴とする請求項1に記載する避難用エレベータ制御装置。
A load factor detector for detecting the load factor of the passenger basket;
2. The elevator control device for evacuation according to claim 1, wherein the inverter control device performs the descent operation of the passenger basket from the rescue floor to the evacuation floor when the load factor reaches or exceeds the load factor capable of powering operation. .
上記電力貯蔵装置の充放電深度を検出する充放電深度検出装置を備え、
上記インバータ制御装置は、避難時において上記商用系統が停電に至り、かつ上記充放電深度が下限深度以下まで低下したとき、上記乗客カゴを避難階から救出階に上昇運転したときに上記電力貯蔵装置に充電された電力量以内の電力量で上記乗客カゴを救出階から避難階に下降運転を行い、上記電力貯蔵装置の充放電深度を一定以上に保つように上記乗客カゴの運転を制御することを特徴とする請求項1または2に記載する避難用エレベータ制御装置。
A charge / discharge depth detection device for detecting the charge / discharge depth of the power storage device;
The inverter control device is configured such that when the commercial system reaches a power failure during evacuation and the charge / discharge depth decreases to a lower limit depth or less, the passenger car is lifted from the evacuation floor to the rescue floor. The passenger car is lowered from the rescue floor to the evacuation floor with an electric energy within the amount of electric power charged to the electric power, and the operation of the passenger car is controlled so as to keep the charge / discharge depth of the power storage device above a certain level. The elevator control device for evacuation according to claim 1 or 2.
上記インバータ制御装置は、停電時、上記電力貯蔵装置の上限充電電力から算出される停電時回生速度で上記乗客カゴの運転を制御することを特徴とする請求項1乃至3のいずれか一項に記載する避難用エレベータ制御装置。   The said inverter control apparatus controls the driving | operation of the said passenger basket at the time of a power failure regeneration speed calculated from the upper limit charge electric power of the said power storage device at the time of a power failure. Elevator elevator control device to be described. 上記インバータ制御装置は、停電時、上記電力貯蔵装置の上限放電電力から算出される停電時力行速度で上記乗客カゴの運転を制御することを特徴とする請求項1乃至4のいずれか一項に記載する避難用エレベータ制御装置。   The said inverter control apparatus controls the driving | operation of the said passenger car at the time of power failure at the time of a power failure calculated from the upper limit discharge electric power of the said power storage device at the time of a power failure. Elevator elevator control device to be described. 避難時において上記商用系統が活きているとき、上記電力貯蔵装置に直流電力を充電するように制御する停電準備装置を備えることを特徴とする請求項1乃至5のいずれか一項に記載する避難用エレベータ制御装置。   The evacuation according to any one of claims 1 to 5, further comprising a power failure preparation device that controls the electric power storage device to be charged with direct-current power when the commercial system is active during evacuation. Elevator control device. ビル内に設置された複数台のエレベータをそれぞれ制御する請求項1乃至6のいずれか一項に記載する複数の上記避難用エレベータ制御装置からなる制御装置群において、
各上記避難用エレベータ制御装置は、避難時において各上記乗客カゴをそれぞれ異なる階床に配車して避難用に供することを特徴とする制御装置群。
In the control device group consisting of a plurality of the evacuation elevator control devices according to any one of claims 1 to 6, which respectively control a plurality of elevators installed in a building.
Each said evacuation elevator control apparatus dispatches each said passenger basket to a different floor at the time of evacuation, and uses it for evacuation.
ビル内に設置された複数台のエレベータをそれぞれ制御する請求項1乃至6のいずれか一項に記載する複数の上記避難用エレベータ制御装置からなる制御装置群において、
各上記避難用エレベータ制御装置は、避難時において各上記乗客カゴの運転台数を削減して避難用に供することを特徴とする制御装置群。
In the control device group consisting of a plurality of the evacuation elevator control devices according to any one of claims 1 to 6, which respectively control a plurality of elevators installed in a building.
Each said evacuation elevator control apparatus reduces the number of operation | movement of each said passenger's basket at the time of evacuation, and supplies it for evacuation.
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