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Elevator control device

An elevator control device, charge and discharge control technology, applied in the direction of circuit devices, battery circuit devices, collectors, etc., can solve problems such as ineffective utilization

Inactive Publication Date: 2006-06-07
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in a general elevator, the regenerative power is consumed by converting the regenerative resistor 15 into heat energy by controlling the switching device 16.
[0010] The problem existing in the above-mentioned conventional elevator control device is that the power is often supplied by the mains power supply to make the elevator run, and the power generated when the elevator is regenerated is converted into heat energy and consumed by the regenerative resistor, etc., and cannot be effectively used.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0042] Embodiment 1

[0043] Next, an elevator control device according to Embodiment 1 of the present invention will be described with reference to the drawings. figure 1 Shown is a block diagram of an elevator control device according to Embodiment 1 of the present invention. The same code|symbol in each drawing represents the same part or a corresponding part.

[0044] exist figure 1 Among them, the three-phase AC power supply 1 ~ the gate driving circuit 14 are the same as the above-mentioned Figure 19 The components shown in the conventional examples are the same.

[0045] In addition, in figure 1 Among them, 21 is an electric energy storage device composed of a battery, etc., 22 is a charge and discharge circuit composed of a DC / DC converter, etc., 23 is a charge and discharge control circuit for controlling the charge and discharge power of the charge and discharge circuit 22, and 24 is a charge and discharge control circuit for A current detector for detecting ...

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PUM

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Abstract

The present invention discloses an elevator control device, including a rectifier 9, an inverter 12, and a controller 8 that utilizes the variable voltage and variable frequency alternating current of the inverter to control the motor to run the elevator, and also includes an electric energy storage for storing direct current energy The device 21, the required power calculation circuit 50 for calculating the required power of the elevator according to the controller speed command, the charging and discharging control circuit 23 for outputting the driving signal, and the charging and discharging circuit 22 for charging the aforementioned regenerative power to the aforementioned electric energy storage device according to the aforementioned driving signal, The aforementioned charging and discharging control circuit outputs a drive signal when the required power of the elevator is negative, that is, when there is regenerative power.

Description

[0001] This application is a divisional application of the invention patent application with the application number "01103388.6" and the invention name "elevator control device" submitted by the applicant on January 31, 2001. technical field [0002] The present invention relates to elevator controls utilizing electrical energy storage devices. Background technique [0003] Next, a conventional elevator control device will be described with reference to the drawings. Figure 19 For example, "Mitsubishi Electric Technical Bulletin "Model Transformation of Medium and Low Speed ​​Passenger Elevator "Grundy"" (Ando, ​​Kimura, Mori, etc., Vol.70, No.11, issued in 1996) "shown in the past Structural diagram of the elevator control device. [0004] exist Figure 19 Among them, 1 is the mains three-phase AC power supply, 2 is the induction motor IM and other motors, 3 is the hoist, 4 is the hoisting wire rope, 5 is the elevator car, and 6 is the counterweight. In addition, 7 is an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B1/06B66B1/34B66B1/30B66B5/00H02J7/00
CPCB66B1/30B66B1/285B66B5/00
Inventor 菅郁朗荒木博司田岛仁小林和幸
Owner MITSUBISHI ELECTRIC CORP