JPH0565434B2 - - Google Patents
Info
- Publication number
- JPH0565434B2 JPH0565434B2 JP62177222A JP17722287A JPH0565434B2 JP H0565434 B2 JPH0565434 B2 JP H0565434B2 JP 62177222 A JP62177222 A JP 62177222A JP 17722287 A JP17722287 A JP 17722287A JP H0565434 B2 JPH0565434 B2 JP H0565434B2
- Authority
- JP
- Japan
- Prior art keywords
- load
- speed command
- command signal
- car
- normal
- 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
- 238000010586 diagram Methods 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 5
- 230000000593 degrading effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明はエレベータを制御する制御装置の改
良に関し、特に、加速時及び減速時に於ける速度
指令信号曲線の傾きを平常時と異ならせることに
より、エレベータのサービスを低下させることな
く、電源設備容量等の低減を計つたエレベータ制
御装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to improving a control device for controlling an elevator, and in particular, by making the slope of the speed command signal curve different during acceleration and deceleration from normal times. This invention relates to an elevator control device that reduces power supply equipment capacity without degrading elevator service.
［従来の技術］
第４図は例えば特公昭61−18512号公報に示さ
れた従来のエレベータ制御装置における、時間に
対する速度指令信号との関係を示した速度指令信
号曲線図である。[Prior Art] FIG. 4 is a speed command signal curve diagram showing the relationship between the speed command signal and time in a conventional elevator control device disclosed in, for example, Japanese Patent Publication No. 18512/1982.
第４図において、Ｏ−Ａ−Ｂ−Ｃは平常時の速
度指令曲線を示している。また、Ｏ−A1−B1−
Ｃは重負荷で上昇するとき、又は軽負荷で下降す
るときの速度指令曲線を示しており、かご速度は
平常時よりも低くする様にしている。 In FIG. 4, O-A-B-C indicates a normal speed command curve. Also, O−A 1 −B 1 −
C shows a speed command curve when ascending with a heavy load or descending with a light load, and the car speed is set lower than normal.
一般に、エレベータの消費電力はかごが全負荷
上昇又は無負荷下降する場合特に大きいことが知
られている。また、エレベータの速度を下げれ
ば、消費電力も小になることも周知である。そこ
で、全負荷上昇時又は無負荷下降時にかごの速度
を下げることにより、エレベータサービスの低下
をそれほど招くことなく消費電力の節約を計るこ
とができる。 It is generally known that the power consumption of an elevator is especially large when the car is raised with full load or lowered with no load. It is also well known that lowering the speed of an elevator reduces power consumption. Therefore, by reducing the speed of the car when full load is rising or when no load is falling, power consumption can be saved without significantly reducing elevator service.
［発明が解決しようとする問題点］
従来のエレベータ制御装置は以上のように、か
ご速度を低くしている為、どうしても、階間走行
時間が長くなり、エレベータサービスの低下は避
けられないという問題点があつた。[Problems to be Solved by the Invention] As described above, the conventional elevator control device lowers the car speed, which inevitably increases the travel time between floors, resulting in an unavoidable decline in elevator service. The dot was hot.
この発明は上記のような問題点を解消するため
になされたもので、エレベータの運転モード中、
一番消費電力が大きくなる重負荷での加速中、軽
負荷での減速中の消費電流を抑えることにより、
エレベータのサービスを低下させることなく、比
較的、短時間の電流定格で、選定されているエレ
ベータ電動機の駆動装置、エレベータ動力電源の
フイーダ線の太さ、電源設備容量などの低減を計
ることが出来るエレベータ制御装置を得ることを
目的とする。 This invention was made to solve the above-mentioned problems, and during the operation mode of the elevator,
By reducing current consumption during acceleration under heavy loads and deceleration under light loads, where power consumption is greatest,
It is possible to reduce the selected elevator motor drive device, the thickness of the elevator power supply feeder wire, the capacity of the power supply equipment, etc. with a relatively short current rating without degrading elevator service. The purpose is to obtain an elevator control device.
［問題点を解決するための手段］
この発明に係るエレベータ制御装置は、速度指
令信号曲線の傾きを、重負荷での加速時は平常時
より緩やかにし、減速時は急にし、更に、軽負荷
の加速時は平常時より急にし、減速時は緩やかに
するようにしたものである。[Means for Solving the Problems] The elevator control device according to the present invention makes the slope of the speed command signal curve gentler than normal when accelerating with a heavy load and steeper when decelerating, and furthermore, When the vehicle accelerates, it is made more rapid than in normal times, and when it decelerates, it is made more gradual.
［作用］
この発明においては、エレベータの消費電流が
大きくなる重負荷での加速時と、軽負荷での減速
時に、速度指令信号曲線の傾きを緩やかにした
為、消費電流が抑えられる。また、消費電流が小
さい重負荷での減速時と、軽負荷での加速時は、
逆に、傾きを急にしている為、階間走行時間は変
わらず、エレベータサービスの低下は招かない。[Function] In the present invention, the slope of the speed command signal curve is made gentle during acceleration under heavy load, which increases current consumption of the elevator, and during deceleration under light load, so current consumption can be suppressed. Also, when decelerating with a heavy load with low current consumption and accelerating with a light load,
On the other hand, because the slope is steep, the travel time between floors remains the same, and elevator service does not deteriorate.
［発明の実施例］
以下、この発明の一実施例を図について説明す
る。[Embodiment of the Invention] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図はこの発明の一実施例を示すブロツク図
である。第１図において、１は中央処理装置（以
下、CPUと記す）、２は読み出し専用メモリ（以
下、ROMと記す）、３は書き込み読み出しメモ
リ（以下、RAMと記す）、４はデータバス、５
は変換器、６はかごの速度を指令する速度指令信
号６ａを発生する速度指令信号発生器、７はかご
内荷重検出器である。 FIG. 1 is a block diagram showing one embodiment of the present invention. In FIG. 1, 1 is a central processing unit (hereinafter referred to as CPU), 2 is a read-only memory (hereinafter referred to as ROM), 3 is a write/read memory (hereinafter referred to as RAM), 4 is a data bus, and 5 is a read/write memory (hereinafter referred to as RAM).
6 is a converter, 6 is a speed command signal generator that generates a speed command signal 6a for commanding the speed of the car, and 7 is an in-car load detector.
第２図は、負荷状態演算手段の動作を示すフロ
ーチヤートである。すなわち、第２図はかご内荷
重検出器７の出力を変換器５及びデータバス４を
介してCPU１に取り込んだかご内荷重値とかご
走行方向から、エレベータが重負荷状態か、軽負
荷状態か、平常負荷状態かを判断するプログラム
を示すフローチヤートである。なお、このプログ
ラムはROM２に記憶されており、CPU１により
解読され、実行される。第３図ａは重負荷時の速
度指令信号曲線図、第３図ｂは軽負荷時の速度指
令信号曲線図である。 FIG. 2 is a flowchart showing the operation of the load state calculation means. In other words, FIG. 2 shows whether the elevator is in a heavy load state or a light load state based on the in-car load value and the direction in which the car is running, which is the output of the in-car load detector 7 taken into the CPU 1 via the converter 5 and the data bus 4. , is a flowchart showing a program for determining whether the load is in a normal load state. Note that this program is stored in the ROM 2, and is decoded and executed by the CPU 1. FIG. 3a is a speed command signal curve diagram under heavy load, and FIG. 3b is a speed command signal curve diagram under light load.
次に動作について説明する。 Next, the operation will be explained.
先ず、第２図に示すフローチヤートによる処理
をかごがスタートする前に実行する。第２図にお
いて、ステツプ（21）で、予め設定した設定値Ａ
とかご内荷重値を比較し、
かご内荷重値＞設定値Ａ
であり、ステツプ（22）でかご走行方向が上
（UP）ならば、ステツプ（23）で重負荷と判断す
る。ステツプ（22）で、かご走行方向が下
（DN）ならば、ステツプ（24）で軽負荷と判断
する。 First, the process according to the flowchart shown in FIG. 2 is executed before the car starts. In FIG. 2, in step (21), a preset value A is set.
Compare the car load value with the car load value, and if the car load value > set value A and the car running direction is upward (UP) in step (22), it is determined that the load is heavy in step (23). If the car running direction is downward (DN) in step (22), it is determined that the load is light in step (24).
ステツプ（21）において、
かご内荷重値＞設定値Ａ
でなければ、ステツプ（25）で予め設定した設定
値Ｂとかご内荷重値とを比較し、
かご内荷重値＜設定値Ｂ
であり、ステツプ（26）でかご走行方向がUPな
らば、ステツプ（24）で軽負荷と判断する。ステ
ツプ（26）で、かご走行方向がDNならば、ステ
ツ（23）で重負荷と判断する。 In step (21), if the car load value is not greater than the set value A, the car load value is compared with the preset value B in step (25), and it is determined that the car load value is less than the set value B. If the car running direction is UP in step (26), it is determined that the load is light in step (24). If the car running direction is DN in step (26), it is determined that the load is heavy in step (23).
また、ステツプ（25）で、
かご内荷重値＜設定値Ｂ
でなければ、ステツプ（27）で平常負荷と判断す
る。 Also, if in step (25) the car load value is not less than the set value B, then in step (27) it is determined that the load is normal.
次に、CPU１にて平常負荷と判断した時は、
平常負荷を示す信号が変換器５を介して速度指令
信号発生器６へ入力され、速度指令信号発生器６
からは、第３図ａ及びｂに示す速度指令信号曲線
図において、点線（Ｏ−A2−B2−Ｃ）で示され
たパターンの速度指令信号６ａが出力される。 Next, when CPU1 determines that the load is normal,
A signal indicating the normal load is input to the speed command signal generator 6 via the converter 5.
A speed command signal 6a having a pattern indicated by a dotted line (O-A 2 -B 2 -C) in the speed command signal curve diagrams shown in FIGS. 3a and 3b is outputted from.
CPU１にて重負荷と判断した時は、重負荷を
示す信号が変換器５を介して速度指令信号発生器
６へ入力され、速度指令信号発生器６からは、第
３図ａに示す速度指令信号曲線（Ｏ−A3−B3−
Ｃ）で示されたパターンの速度指令信号６ａが出
力される。このパターンでは、エレベータの消費
電流が大きくなる加速時の傾き（速度指令信号曲
線（Ｏ−A3）の傾き）を、平常時より緩やかに
しているから消費電流が抑えられる。また、消費
電流が小さい減速時の傾き（速度指令信号曲線
（B3−Ｃ）の傾き）を、平常時より急にしている
から、階間走行時間は変わらず、エレベータサー
ビスの低下は招かない。 When the CPU 1 determines that the load is heavy, a signal indicating the heavy load is input to the speed command signal generator 6 via the converter 5, and the speed command signal generator 6 outputs the speed command shown in FIG. Signal curve (O−A 3 −B 3 −
A speed command signal 6a having a pattern shown in C) is output. In this pattern, the slope during acceleration (the slope of the speed command signal curve (O-A 3 )) where the current consumption of the elevator increases is made gentler than in normal times, so that the current consumption can be suppressed. In addition, the slope during deceleration (the slope of the speed command signal curve (B 3 - C)), which consumes less current, is made steeper than normal, so the travel time between floors remains unchanged and elevator service does not deteriorate. .
また、CPU１にて軽負荷と判断した時は、軽
負荷を示す信号が変換器５を介して速度指令信号
発生器６へ入力され、速度指令信号発生器６から
は、第３図ｂに示す速度指令信号曲線（Ｏ−A4
−B4−Ｃ）で示されたパターンの速度指令信号
６ａが出力される。このパターンでは、エレベー
タの消費電流が大きくなる減速時の傾き（速度指
令信号曲線（B4−Ｃ）の傾き）を、平常時より
緩やかにしているから消費電流が抑えられる。ま
た、消費電流が小さい加速時の傾き（速度指令信
号曲線（Ｏ−A4）の傾き）を、平常時より急に
しているから、階間走行時間は変わらず、エレベ
ータサービスの低下は招かない。 Further, when the CPU 1 determines that the load is light, a signal indicating the light load is inputted to the speed command signal generator 6 via the converter 5, and the signal from the speed command signal generator 6 is as shown in FIG. 3b. Speed command signal curve (O-A 4
-B 4 -C) A speed command signal 6a having a pattern indicated by C) is output. In this pattern, the slope during deceleration (the slope of the speed command signal curve (B 4 -C)), which increases the current consumption of the elevator, is made gentler than in normal times, so the current consumption can be suppressed. In addition, the slope during acceleration (the slope of the speed command signal curve (O-A 4 )), which consumes less current, is made steeper than normal, so the running time between floors remains the same, and elevator service does not deteriorate. .
［発明の効果］
以上のように、この発明によれば、速度指令信
号曲線の傾きを重負荷での加速時と、軽負荷の減
速時に緩やかにすると共に、重負荷での減速時
と、軽負荷の加速時に急にしたから、エレベータ
のサービスを低下させることなく、エレベータ電
動機の駆動装置、エレベータ動力電源のフイーダ
線の太さ、電源設備容量などの低減を計ることが
出来る。[Effects of the Invention] As described above, according to the present invention, the slope of the speed command signal curve is made gentler when accelerating with a heavy load and decelerating with a light load. Since the load is suddenly accelerated when the load is accelerated, it is possible to reduce the elevator motor drive device, the thickness of the elevator power supply feeder wire, the power supply equipment capacity, etc., without degrading the elevator service.
第１図はこの発明の一実施例を示すブロツク
図、第２図はこの発明の一実施例における負荷状
態演算手段の動作を示すフローチヤート、第３図
ａはこの発明の一実施例における重負荷時の速度
指令信号曲線図、第３図ｂはこの発明の一実施例
における軽負荷時の速度指令信号曲線図、第４図
は従来のエレベータ制御装置の速度指令信号曲線
図である。
図において、１はCPU、２はROM、３は
RAM、５は変換器、６は速度指令信号発生器、
６ａは速度指令信号、７はかご内荷重検出器であ
る。なお、図中、同一符号は同一又は相当部分を
示す。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a flowchart showing the operation of the load state calculation means in an embodiment of the invention, and FIG. FIG. 3b is a speed command signal curve diagram at light load in an embodiment of the present invention, and FIG. 4 is a speed command signal curve diagram of a conventional elevator control device. In the figure, 1 is CPU, 2 is ROM, 3 is
RAM, 5 is a converter, 6 is a speed command signal generator,
6a is a speed command signal, and 7 is an in-car load detector. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
器と、このかご内荷重検出器の出力とかごの走行
方向とに基づき負荷状態が重負荷か軽負荷か平常
負荷かを演算する負荷状態演算手段と、この負荷
状態演算手段の演算結果に応じ、速度指令信号曲
線の傾きを、重負荷での加速時は平常時より緩や
かにし、重負荷での減速時は平常時より急にし、
更に、軽負荷での加速時は平常時より急にし、軽
負荷での減速時は平常時より緩やかにした速度指
令信号を出力する速度指令信号発生器とを備えた
エレベータ制御装置。1. An in-car load detector that detects the load inside the car, and a load state calculation that calculates whether the load state is heavy, light, or normal based on the output of this in-car load detector and the running direction of the car. and the calculation result of the load state calculation means, the slope of the speed command signal curve is made gentler than normal when accelerating with a heavy load, and steeper than normal when decelerating with a heavy load,
The elevator control device further includes a speed command signal generator that outputs a speed command signal that is more rapid than normal when accelerating with a light load and slower than normal when decelerating with a light load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62177222A JPS6422774A (en) | 1987-07-17 | 1987-07-17 | Controller for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62177222A JPS6422774A (en) | 1987-07-17 | 1987-07-17 | Controller for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6422774A JPS6422774A (en) | 1989-01-25 |
| JPH0565434B2 true JPH0565434B2 (en) | 1993-09-17 |
Family
ID=16027293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62177222A Granted JPS6422774A (en) | 1987-07-17 | 1987-07-17 | Controller for elevator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6422774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012051735A (en) * | 2011-11-11 | 2012-03-15 | Kone Corp | Method of controlling elevator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3251844B2 (en) * | 1996-03-29 | 2002-01-28 | 三菱電機株式会社 | Elevator control device |
| ES2567952T3 (en) * | 2005-11-23 | 2016-04-26 | Otis Elevator Company | Tolerant elevator motor drive with an irregular power supply |
-
1987
- 1987-07-17 JP JP62177222A patent/JPS6422774A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012051735A (en) * | 2011-11-11 | 2012-03-15 | Kone Corp | Method of controlling elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6422774A (en) | 1989-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3251844B2 (en) | Elevator control device | |
| JPH08107699A (en) | Speed control apparatus | |
| US4354577A (en) | Speed instruction generating device for elevator | |
| JPH01271382A (en) | Elevator start compensating device | |
| EP0074093A2 (en) | Controller for elevator | |
| JPH0565434B2 (en) | ||
| US4456096A (en) | Terminal slowdown apparatus for elevator | |
| US4351416A (en) | Elevator control device | |
| JPH0967071A (en) | Operating device in abnormal time of elevator | |
| JPH01299177A (en) | Device for controlling elevator | |
| JP3080189B2 (en) | Jib crane anti-sway operation control method and apparatus | |
| JP3200913B2 (en) | Elevator control device | |
| JPH0680326A (en) | Elevator control device | |
| JPS6334112B2 (en) | ||
| JP3277053B2 (en) | Cable winding device for power supply of bucket opening and closing motor in hydraulic crane with bucket | |
| JPS6087177A (en) | Terminal-stair deceleration command device for elevator | |
| JP3078665B2 (en) | Elevator control device | |
| JP2580887B2 (en) | Elevator driving device | |
| JPH07163191A (en) | Motor drive controller | |
| JPH03111386A (en) | Hydraulic elevator control method | |
| JPH05147838A (en) | Elevator controller | |
| JPS6351953B2 (en) | ||
| JPH0750995B2 (en) | Predictive stall prevention device for motor drive inverter | |
| JPS63235274A (en) | Controller for hydraulic elevator | |
| JPS6125628B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |