KR970026860A

KR970026860A - Elevator power monitor

Info

Publication number: KR970026860A
Application number: KR1019950040877A
Authority: KR
Inventors: 전종백
Original assignee: 이종수; Lg 산전 주식회사
Priority date: 1995-11-11
Filing date: 1995-11-11
Publication date: 1997-06-24

Abstract

본 발명은 엘리베이터의 전원 감시장치에 관한 것으로, 종래에는 엘리베이터의 공급전원 중 일부의 전압만을 체크하도록 되어 있고 또한 이를 표시해주지 않아서 나머지 전원에 대해서는 모두 계측기를 이용하여 일일이 체크하여야만 하는 문제점이 있었다. 본 발명은 이러한 종래의 문제점을 해결하기 위해 전원공급부 각 출력전압을 검출하기에 적절한 전압으로 변환하고, 이를 소정시간의 주기로 순서대로 스위칭 한후, 디지탈신호로 변환하여 기 설정된 값과 비교함으로써 각 전원의 이상여부를 체크하여 이를 표시되게한 엘리베이터의 전원감시 장치를 창안한 것으로, 이의 작용을 통해 즉, 제어반내 각 부분의 전원을 체크하여 이를 표시해 줌으로써 계측기없이도 설치 및 보수자가 원하는 부위의 전원을 디스플레이를 통해 볼 수 있다. 한 수시로 각 부위의 전원을 체크해 봄으로써 온도에 따른 전압변동율이나 전원출력기의 노화에 의한 전압변동 자체를 바로 체크할 수 있어 안정된 엘리베이터 제어기능을 확대할 수 있는 효과가 있고, 기준전압 이상의 전원이나 이하의 전원이 출력될 경우에는 에러를 발생시킴으로서 전압으로 인한 엘리베이터 시스템의 불안한 운행을 초기에 막을 수 있는 효과가 있다.The present invention relates to a power monitoring device for an elevator, and in the related art, only a part of voltage of a power supply of an elevator is to be checked, and there is a problem in that all of the remaining power must be checked using a measuring instrument. In order to solve the conventional problems, the present invention converts each output voltage of the power supply unit into a voltage suitable for detecting, converts them in sequence at predetermined time intervals, converts them into digital signals, and compares them with preset values. It was created the power monitoring device of the elevator that checks for abnormalities and displays it. Through its action, that is, it checks the power of each part in the control panel and displays it to display the power of the part desired by the installation and maintenance without the instrument. Can be seen through. By checking the power of each part from time to time, it is possible to immediately check the voltage fluctuation rate according to temperature or the voltage fluctuation itself due to aging of the power output device, and it is effective to expand the stable elevator control function. If the power is output, an error occurs, thereby preventing an unstable operation of the elevator system due to voltage at an early stage.

Description

Power monitoring device of elevator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제4도는 본 발명 엘리베이터의 전원 감시장치의 블럭 구성도.4 is a block diagram of a power monitoring device for an elevator of the present invention.

제5도는 제4도의 일부를 상세히 나타낸 회로도.5 is a circuit diagram showing a part of FIG. 4 in detail.

제6도는 전압레벨변환부의 배율형태를 나타낸 표.6 is a table showing magnification forms of the voltage level converting section.

Claims

A voltage level converting unit converting each output voltage of the power supply unit supplying all the power required for the system to a voltage suitable for detecting the output voltage; A switching unit for outputting, by the voltage level converting unit, an output signal in sequence at a predetermined time period; An analog / digital converter converting the output signal of the switching unit into a digital signal and outputting the digital signal; A processor for collectively controlling the system by receiving an output signal of the analog / digital converter and outputting a control signal for displaying the same, comparing the preset reference value with a predetermined reference value, and outputting a control signal according thereto; A memory storing reference values of all output voltages of the power supply unit; The elevator power monitoring device, characterized in that configured as a display unit for displaying a value according to the output signal of the processor.

The power supply monitoring apparatus for an elevator according to claim 1, wherein the voltage level converting unit is composed of a plurality of multipliers.

2. The power monitoring device for an elevator according to claim 1, wherein the switching unit is composed of a plurality of multiplexers.

※ Note: The disclosure is based on the initial application.