KR950033514A - Start monitoring device of multi-channel load - Google Patents

Start monitoring device of multi-channel load Download PDF

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KR950033514A
KR950033514A KR1019940011125A KR19940011125A KR950033514A KR 950033514 A KR950033514 A KR 950033514A KR 1019940011125 A KR1019940011125 A KR 1019940011125A KR 19940011125 A KR19940011125 A KR 19940011125A KR 950033514 A KR950033514 A KR 950033514A
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signal
load
monitoring device
start monitoring
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KR0136973B1 (en
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한상록
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김광호
삼성전자 주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/17—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

본 발명은 다채널 부하의 기동 감시장치에 관한 것으로서, 특히 다수의 부하가 동시에 기동시 각각의 부하에서 발생하는 과전류를 무인으로 정밀검출 후 이의 데이타를 내부 메모리에 저장하고, 기동점의 발생을 포착하여 디스플레이 시키도록하는 다채널 부하의 기동 감시장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a multi-channel load start monitoring device. In particular, an overcurrent generated from each load is unattended and precisely detected when a plurality of loads are simultaneously started. The present invention relates to a multi-channel load start monitoring device.

이를 위하여 부하의 기동 교류전류와 전압을 직류로 변환 및 리플성분을 제거하고 오차를 최소화하여 절대치로 변환하는 다수의 입력부, 선택적 조작에 따라 설정한 값에 대응되는 디지탈값의 기준전압을 발생하는 다수의 입력레벨 설정부, 상기 입력레벨 설정부의 출력신호를 아날로그신호로 전환하는 다수의 D/A변환기, 상기 다수의 입력부로부터 출력되는 신호를 증폭 및 안정화시키고 D/A변환기의 출력신호와 상호 비교하여 소정신호를 발생하는 다수의 고속비교부, 사이 고속비교부의 출력신호를 판독하여 이의 데이타 결과에 따라 디스플레이부를 구동하고 TTL신호를 출력시키는 마이콤을 포함하여서 된 것이다.To this end, a large number of inputs convert the starting AC current and voltage of the load into direct current, remove ripple components, and minimize the error to convert to absolute values, and generate a reference voltage of a digital value corresponding to a value set by selective operation. An input level setting unit of a plurality of D / A converters for converting an output signal of the input level setting unit into an analog signal, amplifying and stabilizing signals output from the plurality of input units, and comparing the output signals of the D / A converters with each other. It includes a high speed comparator for generating a predetermined signal, and a microcomputer for reading the output signal between the high speed comparator between the driving unit and outputting the TTL signal according to the data result.

Description

다채널 부하의 기동 감시장치Start monitoring device of multi-channel load

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 다채널 부하의 기동 감시장치의 블럭도.2 is a block diagram of a multi-channel load start monitoring apparatus according to the present invention.

Claims (6)

부하의 기동 교류전류와 전압을 직류로 변환 및 리플성분을 제거하고, 오차를 최소화하여 절대치로 변환하는 다수의 입력부(10a-10h), 선택적 조작에 따라 설정한 값에 대응되는 디지탈값의 기준전압을 발생하는 다수의 입력레벨 설정부(30a-30h), 상기 입력레벨 설정부(30a-30h)의 출력신호를 아날로그신호로 전환하는 다수의 D/A변환기(40a-40h), 상기 다수의 입력부(10a-10h)로부터 출력되는 신호를 중폭 및 안정화시키고, D/A변환기(40a-40h)의 출력신호와 상호 비교하여 소정신호를 발생하는 다수의 고속비교부(20a-20h), 상기 고속비교부(20a-20h)의 출력신호를 판독하여 이의 데이타 결과에 따라 디스플레이부(60)를 구동하고, 출력드라이브부(70)를 통해 TTL신호를 출력시키는 마이콤(50)을 포함하여서 된 다채널 부하의 기동 감시장치.Multiple inputs 10a-10h for converting the load AC current and voltage of the load into direct current, removing ripple components, and minimizing errors to convert to absolute values, and reference voltages of digital values corresponding to values set by selective operation. A plurality of input level setting units 30a-30h for generating a plurality of D / A converters 40a-40h for converting output signals of the input level setting units 30a-30h into analog signals, and the plurality of input units A plurality of high speed comparison units 20a-20h for heavy width and stabilization of the signal output from 10a-10h and generating a predetermined signal by comparing with the output signal of the D / A converter 40a-40h, the high speed comparison Multi-channel load including a microcomputer 50 for reading the output signal of the unit (20a-20h) to drive the display unit 60 according to the data result thereof, and output the TTL signal through the output drive unit 70 Start monitoring device. 제1항에 있어서 상기 입력부(10a-10h)는, 부하의 기동 교류전류를 직류로 변화하고 리플성분을 제거하는 전류감쇄부(1), 부하의 기동 교류전압을 직류로 변환하고 리플성분을 제거하는 전압드라이브부(2), 상기 전류감쇄부(1) 및 전압드라이브부(2)의 출력을 선택하는 절환스위치(SW), 상기 전류감쇄부(1) 및 전압드라이브부(2)의 출력을 증폭도에 대한 적정실효치로 재교정하고 오차를 최소화하여 절대치로 변환하는 이득보상회로(3)를 구비하여서 된 다채널 부하의 기동 감시장치.The current input unit 10a-10h includes: a current attenuator 1 for changing a starting alternating current of a load into a direct current and removing a ripple component, and converting a starting alternating voltage of the load into a direct current and removing a ripple component. A switching switch (SW) for selecting outputs of the voltage driver (2), the current attenuator (1) and the voltage driver (2), and the outputs of the current attenuator (1) and the voltage driver (2). A multi-channel load start monitoring device comprising a gain compensation circuit (3) for recalibrating to an appropriate effective value for amplification degree and minimizing an error to convert it to an absolute value. 제1항에 있어서 상기 입력레벨 설정부(30a-30h)는 다수의 디지탈썸휠 스위치를 사용한 것을 특징으로 하는 다채널 부하의 기동 감시장치.The start monitoring apparatus for a multi-channel load according to claim 1, wherein the input level setting unit (30a-30h) uses a plurality of digital thumbwheel switches. 제1항에 있어서 상기 D/A변환기(40a-40h)는, 상기 디지탈썸휠 스위치의 설정한 값에 대응하는 아날로그신호를 출력하는 아날로그 신호발생기(41), 상기 아날로그 신호발생기(41)의 출력단에 다수의 저항(R5-R12)이 병렬 접속되어 아날로그신호를 8비트의 신호에 대응하여 출력시키는 저항분배어레이(42)를 갖는 다채널 부하의 기동 감시장치.The analog signal generator (41) of claim 1, wherein the D / A converter (40a-40h) outputs an analog signal corresponding to the set value of the digital thumbwheel switch, and an output terminal of the analog signal generator (41). A multi-channel load start monitoring device having a resistance distribution array (42) for connecting a plurality of resistors (R5-R12) in parallel to output analog signals corresponding to 8-bit signals. 제1항에 있어서 상기 고속비교부(20a-20h)는, 상기 입력부의 출력신호를 소정레벨로 증폭시키는 증폭부(21), 상기 증폭부(21)의 출력을 정류하는 제3정류회로(22), 상기 정류부(22)의 출력에 포함된 노이즈를 제거하는 제3필터(23)로 이루어진 안정화회로(24)를 구비하고, 상기 안정화회로(24) 및 D/A변환기(40)의 출력을 서로 비교하여 소정신호를 발생하는 비교부(25), 포토카플러(PHC)로 이루어지고 상기 비교부(25)의 신호를 전송하는 신호전달부(26)를 포함하여서 된 다채널 부하의 기동 감시장치.The high speed comparing unit 20a-20h includes: an amplifier 21 for amplifying the output signal of the input unit to a predetermined level, and a third rectifier circuit 22 for rectifying the output of the amplifier 21. ), And a stabilization circuit 24 composed of a third filter 23 for removing noise included in the output of the rectifier 22, and outputting the stabilization circuit 24 and the outputs of the D / A converter 40. Start-up monitoring device for a multi-channel load comprising a comparator 25 for generating a predetermined signal compared to each other, a photocoupler (PHC), and a signal transmitter 26 for transmitting a signal from the comparator 25. . 제1항에 있어서, 상기 출력드라이브부(70)에 메모리가 내장된 계측기기를 연결하여 부하의 기동점을 백업 및 기록할 수 있도록 한 것을 특징으로 하는 다채널 부하의 기동 감시장치.The start monitoring device for a multi-channel load according to claim 1, wherein the output drive unit (70) connects a measuring device with a built-in memory to backup and record the starting point of the load. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940011125A 1994-05-21 1994-05-21 Start monitoring device of multi-channel load Expired - Fee Related KR0136973B1 (en)

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Application Number Priority Date Filing Date Title
KR1019940011125A KR0136973B1 (en) 1994-05-21 1994-05-21 Start monitoring device of multi-channel load

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KR1019940011125A KR0136973B1 (en) 1994-05-21 1994-05-21 Start monitoring device of multi-channel load

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KR950033514A true KR950033514A (en) 1995-12-26
KR0136973B1 KR0136973B1 (en) 1998-06-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100454213B1 (en) * 2002-05-03 2004-10-26 한전기공주식회사 circuit tester with input channels
KR100464959B1 (en) * 2003-05-29 2005-01-06 주식회사 유니콘 Dc electronic load apparatus
KR100681769B1 (en) * 2005-07-01 2007-02-15 한국과학기술연구원 Multi Channel Electronic Load Unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100454213B1 (en) * 2002-05-03 2004-10-26 한전기공주식회사 circuit tester with input channels
KR100464959B1 (en) * 2003-05-29 2005-01-06 주식회사 유니콘 Dc electronic load apparatus
KR100681769B1 (en) * 2005-07-01 2007-02-15 한국과학기술연구원 Multi Channel Electronic Load Unit

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KR0136973B1 (en) 1998-06-01

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