JP3261901B2 - Elevator emergency operation device - Google Patents
Elevator emergency operation deviceInfo
- Publication number
- JP3261901B2 JP3261901B2 JP31498894A JP31498894A JP3261901B2 JP 3261901 B2 JP3261901 B2 JP 3261901B2 JP 31498894 A JP31498894 A JP 31498894A JP 31498894 A JP31498894 A JP 31498894A JP 3261901 B2 JP3261901 B2 JP 3261901B2
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- voltage
- emergency
- charging
- capacity
- 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.)
- Expired - Fee Related
Links
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、停電故障等の非常時
にエレベーターを救出運転する装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for rescuing an elevator in an emergency such as a power failure.
【０００２】[0002]
【従来の技術】停電などによってエレベーター商用電源
の供給が遮断されたり、エレベーター安全装置の動作以
外の原因で非常停止指令が発せられたりすると、エレベ
ーターのかごは急停止する。このとき、かごが階と階の
間に停止すると、戸を開くことができず、乗客はかご内
に閉じ込められることになる。この対策として、鉛蓄電
池などの直流電源とインバータ装置により、三相交流電
力を出力してエレベーターを駆動し、かごを最寄り階ま
で運転して乗客を救出するようにしている。2. Description of the Related Art When the supply of elevator commercial power is cut off due to a power failure, or when an emergency stop command is issued for a cause other than the operation of the elevator safety device, the elevator car stops suddenly. At this time, if the car stops between the floors, the door cannot be opened, and the passenger is trapped in the car. As a countermeasure, a DC power supply such as a lead storage battery and an inverter device are used to output three-phase AC power to drive an elevator and drive a car to the nearest floor to rescue passengers.
【０００３】上記のようなエレベーターの非常時運転装
置は、例えば特開平２−１９８９９４号公報に示される
ように、非常時に商用電源が遮断されると、動力電源を
鉛蓄電池に切り換えて救出運転を行うようにしている。
そのため、たとえ救出運転中であっても、鉛蓄電池の容
量低下等で電圧が低下し、出力電流が取り出せない場合
には、かごの位置に関係なく運転を停止させている。The emergency operation device for an elevator as described above, for example, as disclosed in Japanese Patent Application Laid-Open No. 2-198994, switches off the power supply to a lead storage battery when the commercial power supply is cut off in an emergency, and performs a rescue operation. I'm trying to do it.
Therefore, even during the rescue operation, if the voltage decreases due to a decrease in the capacity of the lead storage battery and the output current cannot be taken out, the operation is stopped regardless of the position of the car.
【０００４】図１３は従来のエレベーターの非常時運転
装置を示す構成図である。図において、(1)は商用三相
交流電源、(2)は交流電源(1)に接続されエレベーターの
平常走行時閉成する電磁接触器接点、(3)は交流側が接
点(2)に接続され交流電圧を直流電圧に変換するコンバ
ータ、(4)はコンバータ(3)の直流側に接続されコンバー
タ(3)の出力電圧を平滑する平滑コンデンサ、(5)は平滑
コンデンサ(4)の両端に接続され直流電圧を可変電圧・
可変周波数の三相交流電圧に変換するインバータであ
る。FIG. 13 is a configuration diagram showing a conventional elevator emergency operation device. In the figure, (1) is a commercial three-phase AC power supply, (2) is a magnetic contactor contact that is connected to the AC power supply (1) and is closed during normal operation of the elevator, and (3) is connected to the contact (2) on the AC side. (4) is connected to the DC side of the converter (3) to smooth the output voltage of the converter (3), and (5) is connected to both ends of the smoothing capacitor (4). Connected variable DC voltage
It is an inverter that converts to a variable frequency three-phase AC voltage.
【０００５】(6)はインバータ(5)の交流側に接続された
エレベーター駆動用の三相誘導電動機、(7)は電動機(6)
の電流を検出する電流検出器、(8)は電動機(6)に結合さ
れかご(9)及びつり合おもり(10)を駆動する巻上機の駆
動綱車、(11)は交流電源(1)に接続され平常時閉成し、
非常時蓄電池(後出)(19)で付勢されて開放するリレーの
接点、(12)は電源側が接点(11)に接続され平常時に制御
電源を供給する制御トランス、(13)は制御トランス(12)
の負荷側に接続され平常時に出力する制御電源装置であ
る。[0005] (6) is a three-phase induction motor for driving an elevator connected to the AC side of the inverter (5), (7) is a motor (6)
(8) is a drive sheave of a hoist that is coupled to the electric motor (6) and drives the car (9) and the counterweight (10), and (11) is an AC power supply (1). ) And normally closed,
Relay contacts that are energized and opened by the emergency storage battery (described later) (19), (12) is a control transformer connected to the contact (11) on the power supply side and supplies control power in normal times, and (13) is a control transformer. (12)
Is a control power supply device that is connected to the load side and outputs in normal times.
【０００６】(14)は制御電源装置(13)に接続された制御
装置、(15)は制御装置(14)に接続されたＣＰＵ、(16)は
電流検出器(7)、制御装置(14)及びＣＰＵ(15)に接続さ
れインバータ(5)を制御する駆動装置、(17)はコンバー
タ(3)の直流側に接続され非常時蓄電池(19)で付勢され
て閉成する電磁接触器の接点、(18)は制御電源装置(13)
に接続され停電・故障を検出する停電検出装置である。[0006] (14) is a control device connected to the control power supply (13), (15) is a CPU connected to the control device (14), (16) is a current detector (7), and a control device (14). ) And a drive device connected to the CPU (15) to control the inverter (5); (17) an electromagnetic contactor connected to the DC side of the converter (3) and closed by being energized by the emergency storage battery (19) (18) is the control power supply (13)
Is a power failure detection device that is connected to a power failure and detects a power failure / failure.
【０００７】(19)は非常時に電力を供給する蓄電池、(2
0)は商用単相交流電源、(21)は電源側が交流電源(20)に
接続された充電装置で、その負荷側は接点(17)に接続さ
れ、かつ蓄電池(19)と電圧検出器(22)の直列回路が接続
されている。(23)は上記直列回路の両端に接続された非
常時の制御装置、(24)は直流側が制御装置(23)に接続さ
れ直流電圧を交流電源(1)と同じ周波数の三相交流電圧
に変換するインバータ、(25)はインバータ(24)の交流側
に接続され出力電圧を交流電源(1)の電圧に昇圧する昇
圧トランス、(26)は昇圧トランス(25)の負荷側と制御ト
ランス(12)の電源側に接続され非常時蓄電池(19)で付勢
されて閉成するリレーの接点である。[0007] (19) is a storage battery for supplying power in an emergency, (2)
0) is a commercial single-phase AC power supply, (21) is a charging device whose power supply side is connected to an AC power supply (20), its load side is connected to a contact (17), and a storage battery (19) and a voltage detector ( The series circuit of 22) is connected. (23) is an emergency control device connected to both ends of the series circuit, (24) is a DC side connected to the control device (23) and converts the DC voltage to a three-phase AC voltage having the same frequency as the AC power supply (1). The inverter for conversion, (25) is a boost transformer connected to the AC side of the inverter (24) and boosts the output voltage to the voltage of the AC power supply (1), (26) is the load side of the boost transformer (25) and the control transformer ( These are relay contacts that are connected to the power supply side of 12) and are energized and closed by the emergency storage battery (19).
【０００８】次に、上記装置の動作を説明する。平常時
は接点(2)が閉成し、交流電源(1)の三相交流電圧はコン
バータ(3)で直流電圧に変換され、平滑コンデンサ(4)に
よって平滑されてインバータ(5)に供給される。一方、
交流電源(1)は接点(11)を介して制御トランス(12)によ
り制御電圧に降圧され、制御電源装置(13)を経て制御装
置(14)に供給される。駆動装置(16)は制御装置(14)、Ｃ
ＰＵ(15)の出力及び電流検出器(7)の出力である電動機
(6)の電流値によって動作してインバータ(5)を制御す
る。Next, the operation of the above device will be described. Under normal conditions, the contact (2) is closed, and the three-phase AC voltage of the AC power supply (1) is converted to DC voltage by the converter (3), smoothed by the smoothing capacitor (4), and supplied to the inverter (5). You. on the other hand,
The AC power supply (1) is stepped down to a control voltage by a control transformer (12) via a contact (11) and supplied to a control device (14) via a control power supply device (13). The drive unit (16) is the control unit (14), C
Electric motor which is the output of PU (15) and the output of current detector (7)
It operates by the current value of (6) to control the inverter (5).
【０００９】これで、インバータ(5)は入力された直流
を、可変電圧・可変周波数の三相交流電圧に変換して電
動機(6)を駆動し、その回転速度を制御する。これで、
駆動綱車(8)は回転し、かご(9)及びつり合おもり(10)は
交互に昇降する。The inverter (5) converts the input DC into a three-phase AC voltage having a variable voltage and a variable frequency, drives the motor (6), and controls the rotation speed thereof. with this,
The drive sheave (8) rotates, and the car (9) and the counterweight (10) move up and down alternately.
【００１０】次に、交流電源(1)が停電したとすると、
停電検出装置(18)がこれを検出し、停電検出信号を制御
装置(23)へ出力する。これにより、上記各電磁接触器及
びリレーが消勢又は付勢されて、接点(2)(11)が開放
し、接点(17)(26)が閉成する。そして、インバータ(24)
が起動され、蓄電池(19)の直流電圧は、商用三相交流と
同一の周波数の三相交流電圧に変換され、昇圧トランス
(25)で商用電圧まで昇圧され、接点(26)を介して制御ト
ランス(12)の電源側に供給される。Next, assuming that the AC power supply (1) loses power,
The power failure detection device (18) detects this, and outputs a power failure detection signal to the control device (23). As a result, the respective electromagnetic contactors and relays are deenergized or energized, the contacts (2) and (11) are opened, and the contacts (17) and (26) are closed. And the inverter (24)
Is activated, and the DC voltage of the storage battery (19) is converted into a three-phase AC voltage having the same frequency as the commercial three-phase AC, and the
The voltage is raised to the commercial voltage in (25) and supplied to the power supply side of the control transformer (12) through the contact (26).
【００１１】これで、蓄電池(19)による制御電源は、平
常時と同様に、制御電源装置(13)から制御装置(14)、Ｃ
ＰＵ(18)及び駆動装置(16)に供給されてインバータ(5)
を制御する。一方、蓄電池(19)の電力は、接点(17)を介
してインバータ(5)に供給され、駆動装置(16)により制
御される。これで、電動機(6)が駆動され、かご(9)の救
出運転が行われる。なお、蓄電池(19)は平常時交流電源
(20)により充電装置(21)を介して充電される。Thus, the control power supply from the storage battery (19) is changed from the control power supply device (13) to the control devices (14) and C
Inverter (5) supplied to PU (18) and drive unit (16)
Control. On the other hand, the electric power of the storage battery (19) is supplied to the inverter (5) via the contact (17), and is controlled by the driving device (16). Thus, the electric motor (6) is driven, and the rescue operation of the car (9) is performed. The storage battery (19) is normally an AC power supply
The battery is charged via the charging device (21) by (20).
【００１２】救出運転中に蓄電池(19)の容量低下等によ
り、救出運転が不能になることを避けることが必要であ
り、定期的に蓄電池(19)の外観、充電電圧、動作等を保
守点検して蓄電池(19)の状態をチェックしている。すな
わち、非常用の直流電源である蓄電池(19)は、高い信頼
性を持っていなければならず、定期的な保守点検で、蓄
電池(19)が正常状態であるかを判定し、寿命と判断した
ら直ちに新品と交換して救出装置として支障のないよう
にしなければならない。It is necessary to prevent the rescue operation from being disabled due to a decrease in the capacity of the storage battery (19) during the rescue operation. Periodically, the appearance, charging voltage, operation, etc. of the storage battery (19) are maintained and inspected. To check the state of the storage battery (19). In other words, the storage battery (19), which is an emergency DC power supply, must have high reliability.A periodic maintenance check determines whether the storage battery (19) is in a normal state, Then, they must be immediately replaced with new ones so that they will not hinder the rescue device.
【００１３】[0013]
【発明が解決しようとする課題】上記のような従来のエ
レベーターの非常時運転装置では、定期点検により、蓄
電池(19)の外観、充電電圧、容量等をチェックしている
が、なお次のような問題点がある。 (1) 蓄電池(19)の容量低下や極板の劣化を外部から判定
することは困難である。また、無負荷状態の蓄電池(19)
の出力電圧を測定しても判断できない。 (2) 蓄電池(19)の寿命は、周囲温度や使用条件(放電の
回数、放電の深度等)によって異なるため、交換周期を
すべてのエレベーターに対して一律に決めることは極め
て困難である。In the above-mentioned conventional emergency operation device for an elevator, the appearance, charging voltage, capacity and the like of the storage battery (19) are checked by periodic inspection. Problems. (1) It is difficult to determine externally whether the capacity of the storage battery (19) has decreased or the electrode plate has deteriorated. In addition, storage battery (19) of no load state
Can not be determined by measuring the output voltage of (2) The service life of the storage battery (19) varies depending on the ambient temperature and operating conditions (the number of discharges, the depth of discharge, etc.), so it is extremely difficult to determine the replacement cycle uniformly for all elevators.
【００１４】(3) 上記(2)の理由により、定期的な保守
点検時に、蓄電池(19)が正常と判断されたとしても、次
回の保守点検までの間に放電の回数や放電の深度によっ
ては、救出運転が不能になる可能性がある。これは、常
に一定の充電を行っているため、１回の放電量におい
て、それを補うだけの充電に十分な時間が必要となり、
連続的な放電や深度の大きい放電においては、容量が低
下した状態となるからである。(3) For the reason of the above (2), even if the storage battery (19) is judged to be normal at the time of periodic maintenance and inspection, it depends on the number of discharges and the depth of discharge until the next maintenance and inspection. May make rescue operation impossible. This is because constant charge is always performed, and a single discharge amount requires sufficient time for charging to compensate for it,
This is because the capacity is reduced in a continuous discharge or a deep discharge.
【００１５】(4) 上記のような不具合をなくし、信頼性
を高めるため、蓄電池(19)の交換周期を短期間にした
り、定期的な保守点検周期を短くしたりすることは、保
守費用が高価となる。(4) In order to eliminate the above-mentioned inconveniences and improve reliability, shortening the replacement cycle of the storage battery (19) or shortening the periodic maintenance and inspection cycle requires maintenance costs. It will be expensive.
【００１６】この発明は上記問題点を解消するためにな
されたもので、蓄電池の適切な交換時期を決定し、保守
費用を低減することができ、かつ蓄電池の劣化時にも確
実に救出運転することができるようにしたエレベーター
の非常時運転装置を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to determine an appropriate replacement time of a storage battery, to reduce maintenance costs, and to reliably perform rescue operation even when the storage battery is deteriorated. It is an object of the present invention to provide an emergency operation device for an elevator capable of performing the following.
【００１７】[0017]
【課題を解決するための手段】この発明の第１発明に係
るエレベーターの非常時運転装置は、蓄電池の電圧降下
の状態から蓄電池の容量低下を判定する蓄電池状態判定
手段と、この蓄電池状態判定手段が動作すると、判定さ
れた蓄電池容量に応じてかごの救出運転状態を変更する
運転状態変更手段とを備えたものである。An emergency operation device for an elevator according to a first aspect of the present invention includes a battery state determining means for determining a decrease in the capacity of a storage battery based on a voltage drop state of the storage battery, and the storage battery state determining means. The operation state changing means for changing the rescue operation state of the car in accordance with the determined storage battery capacity when the operation is performed.
【００１８】また、第２発明に係るエレベーターの非常
時運転装置は、第１発明のものにおいて、蓄電池状態判
定手段を、救出運転時の蓄電池の放電電流値を積分して
それが基準値を越えたとき、蓄電池の電圧が所定のレベ
ル値以下であれば蓄電池の容量低下を判定する構成とし
たものである。The emergency operation device for an elevator according to a second aspect of the present invention is the elevator emergency operation device according to the first aspect, wherein the storage battery state determination means integrates a discharge current value of the storage battery during rescue operation and exceeds the reference value. When the voltage of the storage battery is equal to or lower than a predetermined level value, it is determined that the capacity of the storage battery is reduced.
【００１９】また、第３発明に係るエレベーターの非常
時運転装置は、第１発明のものにおいて、運転状態変更
手段を、救出運転時のかご速度を変更して、蓄電池電圧
が所定のレベル値を越えるような値に設定する構成とし
たものである。The emergency operating device for an elevator according to a third aspect of the present invention is the elevator emergency operating device according to the first aspect, wherein the operating state changing means changes the car speed during the rescue operation so that the storage battery voltage becomes a predetermined level value. The value is set to exceed the value.
【００２０】また、第４発明に係るエレベーターの非常
時運転装置は、蓄電池の電圧を検出して蓄電池の充電電
流を判定する充電電流判定手段と、判定された充電電流
によって蓄電池を充電する補充充電手段とを備えたもの
である。The elevator emergency operation device according to a fourth aspect of the present invention is a charging current determining means for detecting a voltage of the storage battery to determine a charging current of the storage battery, and a supplementary charging for charging the storage battery with the determined charging current. Means.
【００２１】また、第５発明に係るエレベーターの非常
時運転装置は、第４発明のものにおいて、充電電流判定
手段を、蓄電池の満充電後自己放電による蓄電池の電圧
降下の度合いに応じて充電電流を判定する構成としたも
のである。The emergency operating device for an elevator according to a fifth aspect of the present invention is the elevator emergency operating device according to the fourth aspect, wherein the charging current judging means includes a charging current judging device according to the degree of voltage drop of the storage battery due to self-discharge after the storage battery is fully charged. Is determined.
【００２２】[0022]
【作用】この発明の第１発明においては、蓄電池の電圧
降下の状態から蓄電池の容量低下を判定し、この判定さ
れた蓄電池容量に応じてかごの救出運転状態を変更し、
第２発明においては、救出運転時の蓄電池の放電電流の
積分値が基準値を越えたとき、蓄電池の電圧が所定のレ
ベル値以下であれば蓄電池の容量低下を判定するように
したため、蓄電池の容量低下は自動的に判定され、かつ
蓄電池が容量低下しても、救出運転は継続される。According to the first aspect of the present invention, a decrease in the capacity of the storage battery is determined from the state of the voltage drop of the storage battery, and the rescue operation state of the car is changed according to the determined storage battery capacity.
In the second invention, when the integrated value of the discharge current of the storage battery during the rescue operation exceeds the reference value, if the voltage of the storage battery is equal to or lower than a predetermined level value, it is determined that the capacity of the storage battery has decreased. The capacity reduction is automatically determined, and the rescue operation is continued even if the capacity of the storage battery is reduced.
【００２３】また、第３発明においては、蓄電池の電圧
降下の状態から蓄電池の容量低下を判定し、この判定さ
れた蓄電池容量に応じて救出運転時のかご速度を変更し
て、蓄電池電圧が所定のレベル値を越えるような値に設
定するようにしたため、かごは蓄電池の容量低下に応じ
た低速度で救出運転される。In the third aspect of the present invention, a decrease in the capacity of the storage battery is determined from the state of the voltage drop in the storage battery, and the car speed during the rescue operation is changed according to the determined storage battery capacity, so that the storage battery voltage is reduced to a predetermined value. , The car is rescued at a low speed corresponding to the decrease in the capacity of the storage battery.
【００２４】また、第４発明においては、蓄電池の電圧
を検出して蓄電池の充電電流を判定し、この判定された
充電電流によって蓄電池を充電するようにし、第５発明
においては、蓄電池の満充電後自己放電による蓄電池の
電圧降下の度合いに応じて充電電流を判定するようにし
たため、充電電流は蓄電池の容量低下時に見合った値に
変更される。In the fourth invention, the voltage of the storage battery is detected to determine the charging current of the storage battery, and the storage battery is charged by the determined charging current. In the fifth invention, the storage battery is fully charged. Since the charging current is determined in accordance with the degree of the voltage drop of the storage battery due to the self-discharge, the charging current is changed to a value appropriate when the capacity of the storage battery decreases.
【００２５】[0025]
実施例１．図１〜図４はこの発明の第１及び第２発明の
一実施例を示す図で、図１は構成図、図２は蓄電池電圧
と救出運転時間の関係図、図３は蓄電池の放電電流と救
出運転時間の関係図、図４は蓄電池の放電電流の積分値
と救出運転時間の関係図であり、従来装置と同様の部分
は同一符号で示す(以下の実施例も同じ)。Embodiment 1 FIG. 1 to 4 show one embodiment of the first and second inventions of the present invention. FIG. 1 is a configuration diagram, FIG. 2 is a diagram showing a relationship between a storage battery voltage and a rescue operation time, and FIG. 3 is a discharge current of the storage battery. FIG. 4 is a diagram showing the relationship between the integral value of the discharge current of the storage battery and the rescue operation time, and the same parts as those in the conventional device are denoted by the same reference numerals (the same applies to the following embodiments).
【００２６】図１において、(31)は蓄電池(19)の回路に
挿入された電流検出器、(32)は電流検出器(31)、電圧検
出器(22)及びＣＰＵ(15)に接続されアナログ値をディジ
タル値に変換するＡ／Ｄ変換器、(33)は交流電源(20)と
充電装置(21)の間に挿入され救出運転時に開放する電磁
接触器接点である。In FIG. 1, (31) is a current detector inserted in the circuit of the storage battery (19), and (32) is connected to the current detector (31), the voltage detector (22) and the CPU (15). An A / D converter (33) for converting an analog value to a digital value is an electromagnetic contactor contact inserted between the AC power supply (20) and the charging device (21) and opened during rescue operation.
【００２７】次に、実施例１の動作を図１〜図４を参照
して説明する。図において、Ｖ1は救出運転切換え時の
電圧、ＶCHは蓄電池(19)の容量低下を示す電圧レベル
値、ＶLはこの装置としての最低許容電圧、Ｉ1はこの装
置内で消費される蓄電池(19)の放電電流と制御電源とし
て消費される放電電流の和、Ｉ2は放電電流Ｉ1とかご
(9)走行時に電動機(6)で消費される放電電流の和、ＱST
はあらかじめ定められた放電電流の積分値の基準値であ
り、各種運転モード時において、蓄電池(19)の寿命判定
に用いられる。Next, the operation of the first embodiment will be described with reference to FIGS. In FIG., V 1 is the voltage at the time of the rescue operation switching, V CH is consumed within the minimum allowable voltage, I 1 is the device as the voltage level value, V L is the device exhibiting reduced capacity of the storage battery (19) the sum of the discharge current consumed as a control power source and the discharge current of the storage battery (19), I 2 is the discharge current I 1 and the cage
(9) Sum of discharge current consumed by motor (6) during running, Q ST
Is a predetermined reference value of the integral value of the discharge current, and is used for determining the life of the storage battery (19) in various operation modes.
【００２８】さて、交流電源(1)の停電が検出される
と、既述のように蓄電池(19)から接点(17)(26)を通じて
駆動回路及び制御回路に電源が供給され、蓄電池(19)か
ら放電電流Ｉ1が流れる。救出運転時接点(33)は開放す
るため、蓄電池(19)は充電装置(21)と共に、交流電源(2
0)から切り放される。そして、時刻Ｔ1で電動機(6)が駆
動されると、蓄電池(19)の放電電流ＩはＩ1からＩ2に増
加する。そのため、蓄電池(19)の内部インピーダンスに
よって、蓄電池電圧ＶはＶ1からＶ2に減少する。When a power failure of the AC power supply (1) is detected, power is supplied from the storage battery (19) to the drive circuit and the control circuit through the contacts (17) and (26) as described above, and ) discharge current I 1 flows from. Since the rescue operation contact (33) is opened, the storage battery (19) is connected to the AC power source (2) together with the charging device (21).
It is cut off from 0). When the electric motor (6) is driven at time T 1, the discharge current I of the battery (19) increases from I 1 to I 2. Therefore, the internal impedance of the battery (19), battery voltage V is reduced from V 1 to V 2.
【００２９】更に放電が続くと、蓄電池(19)内部の分極
によって、内部抵抗が増加して、時間とともに蓄電池(1
9)の電圧は減少し、時刻Ｔ2で電圧レベル値ＶCHに達す
る。なお、蓄電池電圧Ｖ及び放電電流Ｉは、それぞれ電
圧検出器(22)及び電流検出器(31)で検出され、Ａ／Ｄ変
換器(32)を介してＣＰＵ(15)へ入力され、次のように蓄
電池(19)の容量低下が判定される。When the discharge continues, the internal resistance increases due to the polarization inside the storage battery (19), and the storage battery (1) increases with time.
9) voltage decreases, reaches a voltage level value V CH at time T 2. Note that the storage battery voltage V and the discharge current I are detected by the voltage detector (22) and the current detector (31), respectively, and input to the CPU (15) via the A / D converter (32). Thus, the decrease in the capacity of the storage battery (19) is determined.
【００３０】すなわち、ＣＰＵ(15)では、図４に示すよ
うに放電電流Ｉの積分値Ｑを演算しており、時刻Ｔ1aで
積分値Ｑが基準値ＱSTを越えたことを検出する。一方、
蓄電池電圧Ｖは低下を続け、時刻Ｔ2で電圧レベル値Ｖ
CHに達すると、蓄電池(19)が容量低下したと判定する。
ここで、電圧レベル値ＶCHは、蓄電池(19)容量から決ま
る基準値ＱSTを越えたという条件下において検出可能と
する基準電圧値である。なお、蓄電池(19)の容量低下が
検出されると、例えば実施例２で後述するように、速度
指令値を変更してかご(9)を低速運転する等、運転状態
を変更する。そして、時刻Ｔ6で救出運転は終了する。[0030] That is, the CPU (15), detects that has computed the integral value Q of the discharge current I as shown in FIG. 4, which at time T 1a integral value Q exceeds the reference value Q ST. on the other hand,
Battery voltage V continues to decrease, the voltage level value V at the time T 2
When reaching CH , it is determined that the capacity of the storage battery (19) has decreased.
Here, the voltage level value V CH is a reference voltage value that can be detected under the condition that the reference value Q ST exceeds the reference value Q ST determined from the capacity of the storage battery (19). When the decrease in the capacity of the storage battery (19) is detected, the operating state is changed, for example, as described later in the second embodiment, by changing the speed command value and operating the car (9) at low speed. Then, the rescue operation at the time T 6 is terminated.
【００３１】このようにして、救出運転時蓄電池(19)の
放電電流Ｉの積分値Ｑが基準値ＱSTを越えたとき、蓄電
池電圧Ｖが電圧レベル値ＶCH以下になると、蓄電池(19)
が容量低下したと判定するようにしたため、容量低下の
判定は自動的に実施され、外部から判定したりすること
なく確実に判定することが可能となる。また、蓄電池(1
9)の容量低下が判定されると、その容量に応じてかごの
運転状態を変更するようにしたため、救出運転が中止さ
れることはない。Thus, when the integrated value Q of the discharge current I of the rescue operation storage battery 19 exceeds the reference value QST , when the storage battery voltage V falls below the voltage level value VCH , the storage battery 19
Is determined to have decreased in capacity, the determination of the decrease in capacity is automatically performed, and the determination can be reliably made without any external determination. In addition, storage battery (1
If the decrease in capacity is determined in step 9), the operation state of the car is changed according to the capacity, so that the rescue operation is not stopped.
【００３２】実施例２．図５〜図８はこの発明の第３発
明の一実施例を示す図で、図５は蓄電池電圧と救出運転
時間の関係図、図６は蓄電池の放電電流と救出運転時間
の関係図、図７はかご速度と救出運転時間の関係図、図
８は救出運転動作フローチャートである。なお、図１は
実施例にも共用する。Embodiment 2 FIG. 5 to 8 show an embodiment of the third invention of the present invention. FIG. 5 is a diagram showing the relationship between the storage battery voltage and the rescue operation time. FIG. 6 is a diagram showing the relationship between the discharge current of the storage battery and the rescue operation time. 7 is a relationship diagram between the car speed and the rescue operation time, and FIG. 8 is a rescue operation operation flowchart. FIG. 1 is also used in the embodiment.
【００３３】実施例１と同様に、時刻Ｔ1で電動機(6)が
駆動されて救出運転に入ると、放電電流ＩはＩ1から基
準値ＩSTを越えた電流Ｉ2に増加し、蓄電池(19)の電圧
ＶはＶ1からＶ2に減少する。その後、電圧Ｖが減少し
て、時刻Ｔ2aで電圧レベル値ＶCHに達すると、ＣＰＵ(1
5)はこの電圧減少時間(Ｔ2a−Ｔ1)と電圧降下値(Ｖ2−
ＶC H)によって定まる電圧降下の傾きから、救出運転中
に電圧Ｖが最低許容電圧ＶLになるかを演算により判定
する。[0033] As in Example 1, when at time T 1 the motor (6) enters the rescue operation is driven, the discharge current I is increased to current I 2 exceeds the reference value I ST from I 1, battery voltage V (19) is reduced from V 1 to V 2. Then decreases the voltage V, when at time T 2a reaches the voltage level value V CH, CPU (1
5) is the voltage decrease time (T 2a −T 1 ) and the voltage drop value (V 2 −
From the slope of the voltage drop determined by V C H), it determines by calculation whether the voltage V during rescue operation becomes minimum allowable voltage V L.
【００３４】最低許容電圧ＶL以下になると判定する
と、時刻Ｔ2aから速度指令値を低下させて、かご(9)の
運転速度を定格速度υ1から低下させると、放電電流Ｉ
は減少し、電圧Ｖは増加する。時刻Ｔ4で上記電圧降下
の場合と同様に、電圧増加の傾きから救出運転中に電圧
Ｖが最低許容電圧ＶLまで低下しないと判定すると、そ
のときの速度υ2で救出運転を継続する。この救出運転
により、途中で運転を中止することなく、かご(9)内の
乗客を救出することができる。この運転状態になった場
合には、蓄電池(19)の交換時期であると判定する。[0034] When it is determined that falls below minimum acceptable voltage V L, decreases the speed command value from the time T 2a, decreasing the operating speed of the car (9) from the rated speed upsilon 1, the discharge current I
Decreases and the voltage V increases. As in the case of the voltage drop at time T 4, the voltage V during rescue operation from the slope of the voltage increase is determined that not reduced to the minimum allowable voltage V L, continuing the rescue operation at speeds upsilon 2 at that time. By this rescue operation, the passengers in the car (9) can be rescued without stopping the operation halfway. When this operating state is reached, it is determined that it is time to replace the storage battery (19).
【００３５】上述の動作を示したものが図８である。す
なわち、交流電源(1)の停電により、ステップ(41)で救
出運転を開始し、ステップ(42)で救出運転速度を定格速
度υ1に設定する。ステップ(43)で蓄電池電圧Ｖが電圧
レベル値ＶCH以下かを判断し、電圧レベル値ＶCHを越え
ていればステップ(42)へ戻り、電圧レベル値以下になれ
ばステップ(44)へ進んで救出運転速度υを下げる。FIG. 8 shows the above operation. That is, the interruption of the AC power source (1), to start the rescue operation in step (41), it sets the rescue operation speed rated speed upsilon 1 in step (42). Step (43) battery voltage V is determined whether the following voltage level value V CH by, if exceeds the voltage level value V CH returns to step (42), the program proceeds to step (44) if below the voltage level value To reduce the rescue operation speed υ.
【００３６】ステップ(45)で蓄電池電圧Ｖが電圧レベル
値ＶCH以下かを判断し、電圧レベル値ＶCH以下であれば
ステップ(44)へ戻り、電圧レベル値ＶCHを越えていれ
ば、ステップ(46)で現在の運転速度υ2で救出運転を継
続する。そして、ステップ(47)で最寄り階に着床して乗
客を救出する。ここで、ステップ(43)(45)は蓄電池状態
判定手段を、ステップ(44)(46)は運転状態変更手段を構
成する。[0036] Step (45) to determine battery voltage V is less than the voltage level value V CH, the long less voltage level value V CH returns to step (44), if exceeds the voltage level value V CH, in step (46) to continue the rescue operation in the current driving speed upsilon 2. Then, in step (47), the passengers rescue by landing on the nearest floor. Here, steps (43) and (45) constitute storage battery state determination means, and steps (44) and (46) constitute operation state change means.
【００３７】実施例３．図９〜図１２はこの発明の第４
及び第５発明の一実施例を示す図で、図９は充電装置部
分の構成図、図１０は充電設定電圧及び蓄電池電圧と時
間の関係図、図１１は蓄電池の充電電流と時間の関係
図、図１２は蓄電池充電動作フローチャートである。な
お、図１は実施例３にも共用する。Embodiment 3 FIG. 9 to 12 show a fourth embodiment of the present invention.
And FIG. 9 is a diagram showing an embodiment of the fifth invention, FIG. 9 is a configuration diagram of a charging device portion, FIG. 10 is a diagram showing a relationship between a charging set voltage and a storage battery voltage and time, and FIG. FIG. 12 is a flowchart of a storage battery charging operation. FIG. 1 is also used in the third embodiment.
【００３８】図９において、(21a)はＣＰＵ(15)に接続
され充電電圧を設定する充電電圧設定回路、(21b)は充
電電圧設定回路(21a)に接続され電圧低下時に電流を制
限する抵抗、(21c)は抵抗(21b)に接続され満充電時に電
流を制限する抵抗、(21d)は抵抗(21c)に接続された逆流
阻止ダイオード、(21e)は抵抗(21c)の両端に接続されＣ
ＰＵ(15)の出力により動作するスイッチング素子であ
る。In FIG. 9, (21a) is a charging voltage setting circuit connected to the CPU (15) and sets the charging voltage, and (21b) is a resistor connected to the charging voltage setting circuit (21a) and limits the current when the voltage drops. , (21c) is a resistor connected to the resistor (21b) to limit the current when fully charged, (21d) is a reverse current blocking diode connected to the resistor (21c), and (21e) is connected to both ends of the resistor (21c). C
It is a switching element operated by the output of PU (15).
【００３９】次に、実施例３の動作を図９〜図１１を参
照して説明する。蓄電池(19)の容量低下に伴い、電圧検
出器(22)が時刻Ｔ1で蓄電池電圧Ｖが電圧Ｖ2まで低下し
たことを検出すると、ＣＰＵ(15)はスイッチング素子(2
1e)をオンする。これで、抵抗(21c)は短絡され、抵抗(2
1b)を通して充電電流ｉ1が蓄電池(19)に流れる。この充
電電流ｉ1により蓄電池(19)の電圧ＶがＶ2から増加し
て、時刻Ｔ2で電圧Ｖ1に達したとすると、充電電流ｉは
ｉ1から減少して電流ｉ2になる。Next, the operation of the third embodiment will be described with reference to FIGS. With the reduction capacity of the storage battery (19), when the voltage detector (22) is battery voltage V at time T 1 is detected that it has decreased to the voltage V 2, CPU (15) the switching element (2
Turn on 1e). Now the resistor (21c) is shorted and the resistor (2
Charging current i 1 through 1b) flows through the battery (19). The charging current i 1 voltage V of the battery (19) is increased from V 2, assuming that reaches the voltages V 1 at time T 2, the charging current i becomes the current i 2 decreases from i 1.
【００４０】電圧検出器(22)が電圧Ｖ1を検出すると、
ＣＰＵ(15)はスイッチング素子(21e)をオフする。これ
で、抵抗(21b)(21c)を通して充電電流ｉ3が流れる。こ
れは、蓄電池(19)の自己放電量を補う電気量として蓄電
池(19)に流れる。時刻Ｔ2で充電電圧設定回路(21a)によ
り設定電圧をＶ1＋△Ｖにすると、蓄電池電圧Ｖは増加
する。時刻Ｔ3でＶ1＋△Ｖに達すると、充電電流ｉは流
れなくなる。ここで、設定電圧をＶ3にすると、蓄電池
電圧Ｖは減少し、時刻Ｔ4でＶ3に達する。時刻Ｔ4でＣ
ＰＵ(15)は時刻Ｔ3から時刻Ｔ4までの自己放電による電
圧Ｖの降下状態を演算する。[0040] When the voltage detector (22) detects the voltage V 1,
The CPU (15) turns off the switching element (21e). This causes the charging current i 3 flowing through the resistor (21b) (21c). This flows into the storage battery (19) as an amount of electricity to supplement the self-discharge amount of the storage battery (19). When the set voltage by the charging voltage setting circuit (21a) to V 1 + △ V at time T 2, battery voltage V is increased. When V 1 + ＶV is reached at time T 3 , the charging current i stops flowing. Here, when the set voltage V 3, battery voltage V decreases, reaches V 3 at time T 4. C at time T 4
PU (15) calculates the falling state of the voltage V due to self-discharge from time T 3 to time T 4.
【００４１】すなわち、電圧降下値(Ｖ1＋△Ｖ−Ｖ3)及
び時間(Ｔ4−Ｔ3)から電圧降下の傾きを(Ｖ1＋△Ｖ−Ｖ
3)／(Ｔ4−Ｔ3)として求めて、自己放電による電圧Ｖの
降下状態を演算して、過充電とならないような充電電流
ｉ3aを流す。充電電流ｉは電流検出器(31)で検出され、
ＣＰＵ(15)の出力によって充電電圧設定回路(21a)が設
定電圧を△Ｖ変更することで、電流ｉ3aが設定される。
そして、時刻Ｔ4から時刻Ｔ5までの時間、電流ｉ3aによ
って充電し、再び充電を中止して同様の動作を繰り返
す。[0041] That is, the voltage drop value (V 1 + △ V-V 3) and the time from (T 4 -T 3) the slope of the voltage drop (V 1 + △ V-V
3 ) / (T 4 −T 3 ), the state of drop of the voltage V due to self-discharge is calculated, and a charging current i 3a that does not cause overcharging flows. The charging current i is detected by the current detector (31),
The current i3a is set by the charging voltage setting circuit (21a) changing the set voltage by ΔV according to the output of the CPU (15).
Then, the time from time T 4 to time T 5, is charged by a current i 3a, the same operation is repeated to stop charging again.
【００４２】このようにして、設定電圧と充電電流ｉの
値から電圧Ｖ1と電圧Ｖ3の値を常に変化させることによ
り、不足充電及び過充電とならないようにしている。In this way, by constantly changing the values of the voltage V 1 and the voltage V 3 from the set voltage and the value of the charging current i, undercharging and overcharging are prevented.
【００４３】上述の動作を示したものが図１２である。
すなわち、ステップ(51)で蓄電池電圧Ｖが電圧Ｖ2以下
になるのを待ち、電圧Ｖ2以下になったら、ステップ(5
2)でスイッチング素子(21e)をオンする。ステップ(53)
で蓄電池電圧Ｖが電圧Ｖ1になるのを待ち、電圧Ｖ1にな
ったら、ステップ(54)でスイッチング素子(21e)をオフ
する。そして、ステップ(55)で設定電圧Ｖ3を蓄電池電
圧Ｖよりも低く保持する。FIG. 12 shows the above operation.
That is, wait for the battery voltage V becomes a voltage V 2 or less in step (51), when turned voltage V 2 or less, the step (5
In 2), the switching element (21e) is turned on. Step (53)
In wait for battery voltage V becomes a voltage V 1, When turned voltage V 1, turns off the switching element (21e) in step (54). Then, the set voltage V 3 holds lower than battery voltage V in step (55).
【００４４】ステップ(56)で(Ｖ1＋△Ｖ−Ｖ3)／(Ｔ4−
Ｔ3)を演算し、この値に応じて設定電圧を変更する。ス
テップ(57)で充電電流ｉを検出してチェックし、ステッ
プ(58)で適正な充電電流値ｉ3aになっているか判断す
る。適正値でなければステップ(56)へ戻り、適正値であ
ればステップ(59)へ進む。そして、ステップ(59)で充電
電流ｉ3aを流してステップ(51)へ戻り、同様の動作を繰
り返す。ここで、ステップ(51)〜(58)は充電電流判定手
段を、ステップ(59)は補充充電手段を構成する。In step (56), (V 1 + ΔV−V 3 ) / (T 4 −
T 3 ) is calculated, and the set voltage is changed according to this value. In step (57), the charging current i is detected and checked, and in step (58), it is determined whether or not the charging current value i 3a is appropriate. If it is not an appropriate value, the process returns to step (56), and if it is an appropriate value, the process proceeds to step (59). Then, in step (59), the charging current i 3a flows, and the process returns to step (51), and the same operation is repeated. Here, steps (51) to (58) constitute charging current determination means, and step (59) constitutes supplementary charging means.
【００４５】[0045]
【発明の効果】以上説明したとおりこの発明の第１発明
では、蓄電池の電圧降下の状態から蓄電池の容量低下を
判定し、この判定された蓄電池容量に応じてかごの救出
運転状態を変更し、第２発明においては、救出運転時の
蓄電池の放電電流の積分値が基準値を越えたとき、蓄電
池の電圧が所定のレベル値以下であれば蓄電池の容量低
下を判定するようにしたので、蓄電池の容量低下は自動
的に判定され、蓄電池の適切な交換時期を決定すること
ができる効果がある。また、蓄電池容量が低下しても、
救出運転は継続され、装置の信頼性を向上することがで
きる効果がある。As described above, according to the first aspect of the present invention, a decrease in the capacity of the storage battery is determined from the state of the voltage drop of the storage battery, and the rescue operation state of the car is changed according to the determined storage battery capacity. In the second invention, when the integrated value of the discharge current of the storage battery during the rescue operation exceeds the reference value, if the voltage of the storage battery is equal to or less than a predetermined level value, it is determined that the capacity of the storage battery is low. Is automatically determined, and it is possible to determine an appropriate replacement time of the storage battery. Also, even if the storage battery capacity decreases,
The rescue operation is continued, and there is an effect that the reliability of the device can be improved.
【００４６】また、第３発明では、蓄電池の電圧降下の
状態から蓄電池の容量低下を判定し、この判定された蓄
電池容量に応じて救出運転時のかご速度を変更して、蓄
電池電圧が所定のレベル値を越えるような値に設定する
ようにしたので、かごは蓄電池の容量低下に応じた低速
度で救出運転され、蓄電池容量が低下しても、救出運転
は継続され、かご内乗客を救出することができる効果が
ある。Further, in the third aspect of the present invention, a decrease in the capacity of the storage battery is determined from the state of the voltage drop of the storage battery, and the car speed during the rescue operation is changed according to the determined storage battery capacity, so that the storage battery voltage is reduced to a predetermined value. The car is rescued at a low speed according to the battery capacity drop, so that the rescue operation is continued and the passengers in the car are rescued even if the battery capacity drops. There is an effect that can be.
【００４７】また、第４発明では、蓄電池の電圧を検出
して蓄電池の充電電流を判定し、この判定された充電電
流によって蓄電池を充電するようにし、第５発明では、
蓄電池の満充電後、自己放電による蓄電池の電圧降下の
度合いに応じて充電電流を判定するようにしたので、充
電電流は蓄電池の容量低下時に見合った値に変更され、
常に不足充電及び過充電とならないように充電すること
ができる効果がある。In the fourth invention, the voltage of the storage battery is detected to determine the charging current of the storage battery, and the storage battery is charged by the determined charging current.
After the storage battery is fully charged, the charging current is determined according to the degree of voltage drop of the storage battery due to self-discharge, so the charging current is changed to a value appropriate when the capacity of the storage battery decreases,
There is an effect that the battery can always be charged so as not to be undercharged or overcharged.
【図１】この発明の実施例１を示す構成図。FIG. 1 is a configuration diagram showing a first embodiment of the present invention.
【図２】この発明の実施例１を示す蓄電池電圧と救出運
転時間の関係図。FIG. 2 is a diagram showing a relationship between a storage battery voltage and a rescue operation time according to the first embodiment of the present invention.
【図３】この発明の実施例１を示す蓄電池の放電電流と
救出運転時間の関係図。FIG. 3 is a diagram showing a relationship between a discharge current of a storage battery and a rescue operation time according to the first embodiment of the present invention.
【図４】この発明の実施例１を示す蓄電池の放電電流の
積分値と救出運転時間の関係図。FIG. 4 is a diagram showing a relationship between an integral value of a discharge current of the storage battery and a rescue operation time according to the first embodiment of the present invention.
【図５】この発明の実施例２を示す蓄電池電圧と救出運
転時間の関係図。FIG. 5 is a diagram showing a relationship between a storage battery voltage and a rescue operation time according to a second embodiment of the present invention.
【図６】この発明の実施例２を示す蓄電池の放電電流と
救出運転時間の関係図。FIG. 6 is a diagram showing a relation between a discharge current of a storage battery and a rescue operation time according to a second embodiment of the present invention.
【図７】この発明の実施例２を示すかご速度と救出運転
時間の関係図。FIG. 7 is a diagram showing a relationship between a car speed and a rescue operation time according to a second embodiment of the present invention.
【図８】この発明の実施例２を示す救出運転動作フロー
チャート。FIG. 8 is a flowchart of a rescue operation operation according to a second embodiment of the present invention.
【図９】この発明の実施例３を示す充電装置部分の構成
図。FIG. 9 is a configuration diagram of a charging device showing a third embodiment of the present invention.
【図１０】この発明の実施例３を示す充電設定電圧と時
間の関係図。FIG. 10 is a diagram illustrating a relationship between a charging set voltage and time according to a third embodiment of the present invention.
【図１１】この発明の実施例３を示す蓄電池の充電電流
と時間の関係図。FIG. 11 is a diagram showing a relationship between charging current and time of a storage battery according to a third embodiment of the present invention.
【図１２】この発明の実施例３を示す蓄電池充電動作フ
ローチャート。FIG. 12 is a flowchart of a storage battery charging operation according to a third embodiment of the present invention.
【図１３】従来のエレベーターの非常時運転装置を示す
構成図。FIG. 13 is a configuration diagram showing a conventional elevator emergency operation device.
１ 商用三相交流電源、６ 三相誘導電動機、９ か
ご、１５ ＣＰＵ、１６駆動装置、１９ 蓄電池、２０
商用単相交流電源、２１ 充電装置、２２電圧検出
器、３１ 電流検出器、４３，４５ 蓄電池状態判定手
段、４４，４６運転状態変更手段、５１〜５８ 充電電
流判定手段、５９ 補充充電手段、Ｖ蓄電池電圧、ＶCH
電圧レベル値、ＶL 基準値(最低許容電圧)、Ｉ 放
電電流、Ｑ 放電電流の積分値、ＱST 基準値、υ か
ご速度、ｉ 充電電流。DESCRIPTION OF SYMBOLS 1 Commercial three-phase AC power supply, 6 Three-phase induction motor, 9 cages, 15 CPU, 16 drive device, 19 storage battery, 20
Commercial single-phase AC power supply, 21 charging device, 22 voltage detector, 31 current detector, 43, 45 storage battery state determining means, 44, 46 operating state changing means, 51 to 58 charging current determining means, 59 supplementary charging means, V Battery voltage, V CH
Voltage level value, V L reference value (minimum allowable voltage), I discharge current, Q discharge current integral value, Q ST reference value, υ car speed, i charge current.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭59−149284（ＪＰ，Ａ) 特開 平５−139651（ＪＰ，Ａ) 特開 昭61−267675（ＪＰ，Ａ) 実開 昭60−23178（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B66B 5/02 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-59-149284 (JP, A) JP-A-5-139651 (JP, A) JP-A-61-267675 (JP, A) 23178 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) B66B 5/02
Claims (5)
動してかごを救出運転する装置において、上記蓄電池の
電圧降下の状態から上記蓄電池の容量低下を判定する蓄
電池状態判定手段と、この蓄電池状態判定手段が動作す
ると上記判定された蓄電池容量に応じて上記かごの救出
運転状態を変更する運転状態変更手段とを備えたことを
特徴とするエレベーターの非常時運転装置。1. An apparatus for rescue operation of a car by driving an electric motor using a storage battery as a power source in an emergency, a storage battery state determination means for determining a reduction in capacity of the storage battery from a voltage drop state of the storage battery, and a storage battery state determination An emergency operation device for an elevator, comprising: operation state changing means for changing the rescue operation state of the car according to the determined storage battery capacity when the means operates.
電池の放電電流値を積分してそれが基準値を越えたと
き、上記蓄電池の電圧が所定のレベル値以下であれば上
記蓄電池の容量低下と判定する構成としたことを特徴と
する請求項１記載のエレベーターの非常時運転装置。2. The storage battery state determination means integrates a discharge current value of the storage battery during rescue operation, and when the integrated value exceeds a reference value, if the voltage of the storage battery is equal to or less than a predetermined level value, the capacity of the storage battery. 2. The emergency operation device for an elevator according to claim 1, wherein the emergency operation device is configured to determine a decrease.
の速度を変更して蓄電池電圧が所定のレベル値を越える
ような値に設定する構成としたことを特徴とする請求項
１記載のエレベーターの非常時運転装置。3. The system according to claim 1, wherein the operating state changing means is configured to change the speed of the car during the rescue operation so as to set the storage battery voltage to a value exceeding a predetermined level value. Elevator emergency operation device.
動してかごを救出運転する装置において、上記蓄電池の
電圧を検出して上記蓄電池の充電電流を判定する充電電
流判定手段と、上記判定された充電電流によって上記蓄
電池を充電する補充充電手段とを備えたことを特徴とす
るエレベーターの非常時運転装置。4. A device for rescue operation of a car by driving a motor using a storage battery as a power supply in an emergency, and a charging current determining means for detecting a voltage of the storage battery to determine a charging current of the storage battery; An emergency operation device for an elevator, comprising: supplementary charging means for charging the storage battery with a charging current.
自己放電による上記蓄電池の電圧降下の度合いに応じて
充電電流を判定する構成としたことを特徴とする請求項
４記載のエレベーターの非常時運転装置。5. The emergency emergency elevator according to claim 4, wherein the charging current determining means determines the charging current in accordance with the degree of voltage drop of the storage battery due to self-discharge after the storage battery is fully charged. When driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31498894A JP3261901B2 (en) | 1994-12-19 | 1994-12-19 | Elevator emergency operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31498894A JP3261901B2 (en) | 1994-12-19 | 1994-12-19 | Elevator emergency operation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08169658A JPH08169658A (en) | 1996-07-02 |
| JP3261901B2 true JP3261901B2 (en) | 2002-03-04 |
Family
ID=18060064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31498894A Expired - Fee Related JP3261901B2 (en) | 1994-12-19 | 1994-12-19 | Elevator emergency operation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3261901B2 (en) |
Cited By (1)
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| JP2008526642A (en) * | 2004-12-31 | 2008-07-24 | オーチス エレベータ カンパニー | Elevator rescue operation control system |
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-
1994
- 1994-12-19 JP JP31498894A patent/JP3261901B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008526642A (en) * | 2004-12-31 | 2008-07-24 | オーチス エレベータ カンパニー | Elevator rescue operation control system |
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|---|---|
| JPH08169658A (en) | 1996-07-02 |
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