KR950029594A - Control device and method of pressurized water pump - Google Patents

Control device and method of pressurized water pump Download PDF

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Publication number
KR950029594A
KR950029594A KR1019940008115A KR19940008115A KR950029594A KR 950029594 A KR950029594 A KR 950029594A KR 1019940008115 A KR1019940008115 A KR 1019940008115A KR 19940008115 A KR19940008115 A KR 19940008115A KR 950029594 A KR950029594 A KR 950029594A
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South Korea
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pressure
pump
tank
main control
signal
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KR1019940008115A
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Korean (ko)
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KR970010509B1 (en
Inventor
김종필
이태원
김태형
최도혁
박상근
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이재명
한국건설기술연구원
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Priority to KR94008115A priority Critical patent/KR970010509B1/en
Publication of KR950029594A publication Critical patent/KR950029594A/en
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Publication of KR970010509B1 publication Critical patent/KR970010509B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

본 발명은 급수량이 많은 영역에서는 부스터에 의하여, 급수량이 적은 영역에서는 가압탱크에 의하여 급수를 적절하게 수행하도록 하는 제어장치 및 방법을 제공하는데 그 목적이 있으며, 본 발명은 종래의 기술과 달리 탱크(2)와 여러개의 펌프(6,8)를 혼용하여 설치한 급수장치 시스템에 적용되어, 상기 탱크(2)의 상황에 따른 펌프(6,8)의 동작을제어하는 제어부(12)와 그에 따른 제어방법을 제공하였다. 따라서, 본 발명은 급수량이 많은 영역에서는 부스터펌프에 의하여, 급수량이 적은 영역에서는 가압탱크에 의하여 급수를 수행함으로써, 고가 수조에서 급수의 오염 및 건축물 구조상의 단점 등을 보완하고 운전시 에너지의 소비량을 줄여 모터의 기동과 정지를 최소화할 수 있는 효과가 있다.The present invention provides a control device and a method for properly supplying water by means of a booster in a region where a large amount of water is supplied, and a pressurized tank in a region where a small amount of water is supplied. 2) and the control unit 12 is applied to the water supply system installed by mixing a plurality of pumps (6,8), and controls the operation of the pump (6,8) according to the situation of the tank (2) and accordingly A control method was provided. Therefore, in the present invention, water is supplied by a booster pump in an area with a large amount of water and a pressurized tank in an area with a small amount of water, thereby to compensate for contamination of water supply and disadvantages of building structures in an expensive tank, and to reduce energy consumption during operation. By reducing the motor start and stop can be minimized.

Description

가압식 급수 펌프장치의 제어장치 및 방법Control device and method of pressurized water pump

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

제1도는 본 발명이 적용되는 가압시 급수 펌프장치의 개략적인 구성도, 제2도는 볼 발명에 따른 제어장치의 전체구성도, 제3도는 본 발명에 따른 제어방법의 전체흐름도.1 is a schematic configuration diagram of a water supply pump apparatus during pressurization to which the present invention is applied, FIG. 2 is an overall configuration diagram of a control device according to the present invention, and FIG. 3 is an overall flow diagram of a control method according to the present invention.

Claims (2)

압력탱크(2)에 설치된 압력센서(29)와 리미트 스위치(30)로부터 급수의 현재상태인 압력탱크(2)내의 압력과 유면위치를 입력신호로 받아들이고, 운전조건 설정부인 키패드로부터 설정된 값들과 비교, 연산하여 모터 및 밸브 구동부를 제어하며, 급수 제어프로그램을 탑재한 주제어수단(22)과, 상기 주제어수단(22)에 연결된 시스템 버스(21)와, 상기 시스템 버스(21)를 통해 상기 주제어수단(22)의 보조펌프 제어신호를 입력받아 보조펌프(6)내의 모터를 구동하는 모터 구동수단(23)과, 상기 시스템 버스(21)를 통해 주제어수단(22)으로부터 전달되는 부스터 펌프 제어신호를 아날로그로 변환하여 부스터 펌프(8)를 운전하는 인버터(14)로 제공하는 디지틀/아날로그(D/A)변환수단(24)과, 압력탱크에 위치하여 압력탱크(2)내의 압력을 감지하는 압력센서(29)와 급수관의 물흐름을 감지하는 흐름센서(28)로부터의 감지신호를 입력받아 아날로그/디지탈(A/D) 변환하여 상기 시스템 버스(21)를 통해 주제어수단(22)으로 제공하는 A/D 변환수단(25)과, 상기 리미트 스위치(30)로부터의 디지틀 신호를 시스템 버스(21)를 통해 상기 주제어수단(22)으로 전달하고, 주제어수단(22)으로부터 출력되는 압력탱크애의 공기압을 조절하는 솔레노이드 밸브(31) 제어신호를 출력하는 디지틀 입출력수단(26)과, 키패드로부터의 설정신호를 주제어수단(22)으로 전달하고 주제어수단(22)으로부터의 표시신호를 표시기(LCD)로 전달하는 콘솔부(27)를 구비하는 것을 특징으로 하는 가압식 펌프 시스템의 제어장치.The pressure sensor 29 and the pressure switch 29 installed in the pressure tank 2 receive the pressure and the oil level in the pressure tank 2, which is the current state of the water supply, as input signals, and compare them with the values set from the keypad which is an operating condition setting unit. , Main control means 22 to operate the motor and the valve drive unit, and equipped with a water supply control program, a system bus 21 connected to the main control means 22, and the main control means through the system bus 21 The motor driving means 23 for driving the motor in the auxiliary pump 6 and the booster pump control signal transmitted from the main control means 22 through the system bus 21 is received. A digital / analog (D / A) converting means 24 provided to the inverter 14 which converts the analog booster pump 8 into a drive, and a pressure which is located in the pressure tank and senses the pressure in the pressure tank 2. Sensor 29 and water in water line A / D conversion means 25 which receives the detection signal from the flow sensor 28 for detecting the flow and converts the analog / digital (A / D) to the main control means 22 through the system bus 21. And a solenoid valve 31 for transmitting a digital signal from the limit switch 30 to the main control means 22 through a system bus 21 and adjusting the air pressure of the pressure tank output from the main control means 22. Digital input / output means 26 for outputting a control signal, and a console part 27 for transmitting a setting signal from a keypad to the main control means 22 and a display signal from the main control means 22 to a display (LCD). Control device of the pressurized pump system, characterized in that it comprises a. 급수 제어프로그램을 탑재한 주제어부(22)와, 상기 주제어부(22)에 연결된 시스템 버스(21)와, 보조펌프(6)내의 모터를 구동하는 모터 구동부(23)와, 부스터 펌프 제어신호를 아날로그로 변환하여 부스터 펌프(8)를 운전하는 인버터(14)로 제공하는 디지틀/아날로그(D/A)변환기(24)와, 압력감지신호와 물흐름 감지신호를 상기 시스템 버스(21)를 통해 주제어부(22)로 제공하는 A/D 변환기(25)와, 수면감지신호를 주제어부(22)측으로 인터페이스하고, 솔레노이드 밸브 제어신호를 출력하는 디지틀 입출력부(26)와, 키패드로부터의 설정신호를 주제어부(22)로 전달하고 주제어부(22)로부터의 표시신호를 표시기(LCD)로 전달하는 콘솔부(27)를 구비하는 가압식 펌프 시스템의 제어장치에 적용되는 제어방법에 있어서, 초기 동작조건 신호를 입력시키고, 각 센서와 주변기기로부터의 신호를 입력받고 압력탱크(2)의 압력(P)을 측정한 후, 맨 마지막 우선순위를 갖는 부스터펌프(이하, 펌프n이라 한다.)가 운전중인지 조사하는 제1단계와, 상기 제1단계에서의 조사결과, 펌프n이 운전 중이면 탱크(2)의 압력이 낮음에도 정속운전중이면 경고음을 발생시키고, 펌프n이 최저속도로 운전중이며 압력이 설정압력보다 높으면 정지시키고 한 단계 낮은 우선순위를 갖는 부스터 펌프(이하, 펌프n-1이라 함)를 기동시키며, 펌프n이 운전중이 아니면 펌프n-1이 운전중인지를 조사하는 제2단계와, 상기 제2단계에서의 조사결과, 펌프n-1이 운전중이면 탱크(2)의 압력이 낮음에도 정속운전중이면 펌프n을 구동시키고, 펌프n-1이 최저속도로 운전중이며 탱크의 압력이 설정압력보다 높으면 정지시키고 한단계 낮은 우선순위를 갖는 부스터펌프(이하, 펌프n-2라 함)를 운전시키고, 펌프n-1이 운전중이 아니면 펌프n-2가 구동중인지를 조사하는 제3단계와, 상기 제3단계에서의 처리과정을 나머지 부스터 펌프에 대해서도 반복 적용하고, 마지막 부스터 펌프를 정지시킨 경우에는 솔레노이드 밸브의 제어를 통해 탱크(2)의 압력을 조절하는 제4단계와, 상기 제1단계 수행후, 부스터 펌프가 동작중이 아니고, 보조 펌프(6)가 동작중이면, 탱크(2)압력이 설정압력보다 낮으면 처음 우선순위를 갖는 부스터 펌프를 동작시키고, 탱크의 압력이 설정압력보다 높으면 보조 펌프를 정지시키고 솔레노이드 밸브의 제어를 수행한 후 리턴하는 제5단계를 포함하는 것을 특징으로 하는 가압식 펌프 시스템의 제어방법.A main control unit 22 equipped with a water supply control program, a system bus 21 connected to the main control unit 22, a motor driving unit 23 for driving a motor in the auxiliary pump 6, and a booster pump control signal. A digital / analog (D / A) converter 24, which converts an analog signal and provides a booster pump 8 to an inverter 14, and a pressure detection signal and a water flow detection signal are transmitted through the system bus 21. A / D converter 25 provided to the main controller 22, a digital input / output unit 26 for interfacing the sleep detection signal to the main controller 22, and outputting a solenoid valve control signal, and a setting signal from the keypad. In the control method applied to the control device of the pressure-type pump system having a console unit 27 for transmitting the to the main control unit 22 and the display signal from the main control unit 22 to the display (LCD), the initial operation Input the condition signal, to each sensor and peripheral The first step of checking whether the booster pump (hereinafter referred to as pump n) having the last priority is operating after receiving the signal from the pressure tank 2 and measuring the pressure P of the pressure tank 2; As a result of the investigation in the first stage, when the pump n is in operation, a warning sound is generated when the pressure in the tank 2 is low even during constant speed operation, and when the pump n is operating at the minimum speed and the pressure is higher than the set pressure, A second step of starting a booster pump having a priority (hereinafter referred to as pump n-1) and checking whether pump n-1 is in operation if pump n is not in operation; If the pump n-1 is running, the pump 2 is driven even if the pressure of the tank 2 is low, but the pump n-1 is running at the lowest speed. If the pump n-1 is running at the lowest speed and the pressure of the tank is higher than the set pressure, Priority booster pumps 3) to check whether pump n-2 is running if pump n-1 is not running, and repeat the process of the third step for the remaining booster pumps. If the last booster pump is stopped, the fourth step of adjusting the pressure of the tank 2 through the control of the solenoid valve, and after performing the first step, the booster pump is not in operation and the auxiliary pump 6 If the tank (2) pressure is lower than the set pressure, operate the booster pump with the first priority.If the tank pressure is higher than the set pressure, stop the auxiliary pump and return to the control of solenoid valve. The control method of the pressure-type pump system comprising a fifth step. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR94008115A 1994-04-18 1994-04-18 Control device and method of pressing water supply pump device KR970010509B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR94008115A KR970010509B1 (en) 1994-04-18 1994-04-18 Control device and method of pressing water supply pump device

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Application Number Priority Date Filing Date Title
KR94008115A KR970010509B1 (en) 1994-04-18 1994-04-18 Control device and method of pressing water supply pump device

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KR950029594A true KR950029594A (en) 1995-11-22
KR970010509B1 KR970010509B1 (en) 1997-06-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100304811B1 (en) * 1996-12-24 2002-01-09 이종수 Communication connection managing method of inverter key pad
KR100458958B1 (en) * 2002-05-06 2004-12-03 신한일전기주식회사 Method for controlling pressure of invertor pump
KR100530901B1 (en) * 2002-05-17 2005-11-23 신한일전기주식회사 Method for controlling shift operation of main pump
KR100895392B1 (en) * 2007-10-08 2009-04-30 김대환 Zero-flow discrimination and control for the booster pump applied inverters
CN116044731A (en) * 2023-01-17 2023-05-02 中国长江电力股份有限公司 Hydraulic system oil pump control system and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100304811B1 (en) * 1996-12-24 2002-01-09 이종수 Communication connection managing method of inverter key pad
KR100458958B1 (en) * 2002-05-06 2004-12-03 신한일전기주식회사 Method for controlling pressure of invertor pump
KR100530901B1 (en) * 2002-05-17 2005-11-23 신한일전기주식회사 Method for controlling shift operation of main pump
KR100895392B1 (en) * 2007-10-08 2009-04-30 김대환 Zero-flow discrimination and control for the booster pump applied inverters
CN116044731A (en) * 2023-01-17 2023-05-02 中国长江电力股份有限公司 Hydraulic system oil pump control system and method
CN116044731B (en) * 2023-01-17 2024-03-29 中国长江电力股份有限公司 Hydraulic system oil pump control system and method

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