JPS5860663U

JPS5860663U - AC elevator control device

Info

Publication number: JPS5860663U
Application number: JP1982125441U
Authority: JP
Inventors: 前田　康行; 亀山　志郎; 宣夫三井; 勝小室; 定夫保苅
Original assignee: 株式会社日立製作所
Priority date: 1982-08-18
Filing date: 1982-08-18
Publication date: 1983-04-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案及び従来技術に共通したエレベータの制
御装置及び駆動装置を示す構成図、第２図は本考案及び
従来技術に共通したエレベータ制御装置の主回路を示す
構成−１第３図は本考案及び従来技術に共通した位相制
御装置を示す構成図、第４図は誘導電動−を（無側御で
）電源に直結した場合の加速過程から定常走行にかけて
の速度および電流の時間に伴う変化を示す図、第５図は
従来技術によるエレベータの加速過程から定常走行　　
゛にかけての速度および電流の時間に伴う変化を示す図
、第６図は本考案による、エレベータの加速過程から定
常走行にかけての速度および電流の時間に伴う変化を示
す図、第７図は本考案によるエレベータの定常走行から
減速過程にかけての速度および電流の時間に伴う変化を
示す図、第８図は本考案による減速指令位置信号検出装
置および回路の一実施例図、第９図は本考案による速度
指令回路の一実施例図である。１０・・・交流電源、１４・・・加速用ＳＣＲ制御装置
、１４１・・・加速制御用ＳＣＲ，１５・・・減速用Ｓ
ＣＲ制御装置、１５１・・・減速制御用５ＣＲ１１６・
・・誘導電動機、１６１・・・駆動用電動機、１６２・
・・制動用電動機、１７・・・速度発電機、１７０・・
・実速度信号、１８・・・位相制御装置、１８３・・・
加速用移相器、１８４・・・減速用移相器、１８６・・
・加速用比較器、１８７・・・減速用比較器、１９・・
・速度指令回路、１９０・・・速度帰還信号、１９１・
・・加速指令回路、１９２・・・減速指令回路。第　ｌ　日寮２のト１−ＭＬ−Ｊｔ５　　　　　　　　　　中ｔｔ３　　　　　　　　　　−６Fig. 1 is a configuration diagram showing the elevator control device and drive device common to the present invention and the prior art, Fig. 2 is a configuration diagram showing the main circuit of the elevator control device common to the present invention and the prior art Fig. 3 is a block diagram showing a phase control device common to the present invention and the prior art, and Figure 4 shows the speed and current time from the acceleration process to steady running when the induction motor is directly connected to the power source (without side control). Figure 5 is a diagram showing the accompanying changes, from the acceleration process of the elevator to steady running using the conventional technology.
Figure 6 is a diagram showing changes in speed and current over time from the acceleration process to steady running of the elevator according to the present invention, and Figure 7 is a diagram showing changes in speed and current over time according to the present invention. Fig. 8 is a diagram showing an example of the deceleration command position signal detection device and circuit according to the present invention, and Fig. 9 is a diagram showing changes in speed and current with time from the steady running of the elevator to the deceleration process according to the present invention. FIG. 2 is a diagram showing an example of a speed command circuit. 10... AC power supply, 14... SCR control device for acceleration, 141... SCR for acceleration control, 15... S for deceleration
CR control device, 151... 5CR116 for deceleration control.
・・Induction motor, 161 ・・Drive motor, 162・
... Braking electric motor, 17... Speed generator, 170...
・Actual speed signal, 18... Phase control device, 183...
Acceleration phase shifter, 184...Deceleration phase shifter, 186...
・Acceleration comparator, 187...Deceleration comparator, 19...
・Speed command circuit, 190...speed feedback signal, 191・
...Acceleration command circuit, 192...Deceleration command circuit. Day 1 Dormitory 2 To1-ML-J t5 Middle t t3 -6

Claims

[Scope of utility model registration request]

A three-phase induction motor for driving an elevator. Compares the speed feedback signal proportional to the actual speed of this motor with the speed command signal, and automatically increases or decreases the running torque and braking torque according to the deviation between the two signals. In an AC elevator that controls the speed of A control device for an AC elevator configured to switch in advance to an intermediate speed between a steady speed under load and a steady speed under maximum load, and to sequentially reduce the speed command from this intermediate speed after passing a deceleration start position.