KR970021878A - Electronic proportional valve drive control circuit - Google Patents

Electronic proportional valve drive control circuit Download PDF

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Publication number
KR970021878A
KR970021878A KR1019950038605A KR19950038605A KR970021878A KR 970021878 A KR970021878 A KR 970021878A KR 1019950038605 A KR1019950038605 A KR 1019950038605A KR 19950038605 A KR19950038605 A KR 19950038605A KR 970021878 A KR970021878 A KR 970021878A
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KR
South Korea
Prior art keywords
proportional valve
electromagnetic proportional
comparator
control circuit
voltage value
Prior art date
Application number
KR1019950038605A
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Korean (ko)
Other versions
KR100281174B1 (en
Inventor
이성호
정상태
Original Assignee
유상부
삼성중공업 주식회사
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Application filed by 유상부, 삼성중공업 주식회사 filed Critical 유상부
Priority to KR1019950038605A priority Critical patent/KR100281174B1/en
Publication of KR970021878A publication Critical patent/KR970021878A/en
Application granted granted Critical
Publication of KR100281174B1 publication Critical patent/KR100281174B1/en

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Abstract

본 발명은 전자비례밸브 구동제어회로에 관한 것으로서, 간단한 회로구성만으로 전자비례밸브의 구동상태를 제어할 수 있도록 하기 위하여, 전자비례밸브에 흐르는 전류량을 센싱하여 이 전류량에 대응하는 전압값을 검출하는 센싱저항; 센싱저항에 의해 검출된 전압값을 소정크기로 증폭하는 증폭기; 증폭기에 의해 증폭된 전압값과 외부에서 인가된 제어신호의 전압레벨을 비교하는 비교기; 및 비교기의 출력신호에 따라 전자비례밸브의 구동상태를 제어하도록 소정전류값을 출력하는 구동부로 구성하였다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic proportional valve driving control circuit. In order to control a driving state of an electromagnetic proportional valve with a simple circuit configuration, a current value flowing through the electromagnetic proportional valve is sensed to detect a voltage value corresponding to the electrical proportional valve. Sensing resistance; An amplifier for amplifying the voltage value detected by the sensing resistor to a predetermined size; A comparator for comparing the voltage value amplified by the amplifier with the voltage level of the control signal applied from the outside; And a driving unit for outputting a predetermined current value to control the driving state of the electromagnetic proportional valve according to the output signal of the comparator.

Description

전자비례밸브 구동제어회로Electronic proportional valve drive control circuit

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

제3도는 본 발명에 의한 전자비례밸브 구동제어회로의 일실시예를 나타내는 개략적 블록도,3 is a schematic block diagram showing an embodiment of an electromagnetic proportional valve driving control circuit according to the present invention;

제4도는 본 발명에 의한 전자비례밸브 구동제어회로의 다른 실시예를 나타내는 개략적 블럭도이다.4 is a schematic block diagram showing another embodiment of the electromagnetic proportional valve driving control circuit according to the present invention.

Claims (2)

토출되는 유량 및 가스량을 제어하는 전자비례밸브를 구비하는 전자비례밸브 구동제어회로에 있어서: 전자비례밸브에 흐르는 전류량을 센싱하여 이 전류량에 대응하는 전압값을 검출하는 센싱저항; 상기 센싱저항에 의해 검출된 전압값을 소정크기로 증폭하는 증폭기; 상기 증폭기에 의해 증폭된 전압값과 외부에 인가된 제어신호의 전압레벨을 비교하는 비교기; 및 상기 비교기의 출력신호에 따라 전자비례밸브의 구동상태를 제어하도록 소정전류값을 출력하는 구동부로 구성된 것을 특징으로 하는 전자비례밸브 구동제어회로.An electromagnetic proportional valve drive control circuit having an electromagnetic proportional valve for controlling a discharged flow rate and a gas amount, the electronic proportional valve driving control circuit comprising: a sensing resistor for sensing an amount of current flowing in an electromagnetic proportional valve and detecting a voltage value corresponding to the amount of current; An amplifier for amplifying the voltage value detected by the sensing resistor to a predetermined size; A comparator for comparing a voltage value amplified by the amplifier with a voltage level of a control signal applied to the outside; And a driving unit for outputting a predetermined current value to control the driving state of the electromagnetic proportional valve according to the output signal of the comparator. 제1항에 있어서, 상기 비교기와 상기 구동부 사이에, 상기 비교기에서 출력된 펄스파형의 불규칙적인 주파수성분을 제거하기 위한 주파수 제한기를 더 구비하는 것을 특징으로 하는 전자비례밸브 구동제어회로.The electromagnetic proportional valve driving control circuit according to claim 1, further comprising a frequency limiter for removing irregular frequency components of the pulse waveform output from the comparator between the comparator and the driving unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950038605A 1995-10-31 1995-10-31 Electronic proportional valve drive control circuit KR100281174B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950038605A KR100281174B1 (en) 1995-10-31 1995-10-31 Electronic proportional valve drive control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950038605A KR100281174B1 (en) 1995-10-31 1995-10-31 Electronic proportional valve drive control circuit

Publications (2)

Publication Number Publication Date
KR970021878A true KR970021878A (en) 1997-05-28
KR100281174B1 KR100281174B1 (en) 2001-11-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950038605A KR100281174B1 (en) 1995-10-31 1995-10-31 Electronic proportional valve drive control circuit

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KR (1) KR100281174B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100833674B1 (en) * 2006-08-09 2008-05-29 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Electronic valve control circuit which uses a feedback resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100833674B1 (en) * 2006-08-09 2008-05-29 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Electronic valve control circuit which uses a feedback resistance

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Publication number Publication date
KR100281174B1 (en) 2001-11-22

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