KR970075895A - Hydraulic pump automatic performance tester using PC control - Google Patents

Hydraulic pump automatic performance tester using PC control Download PDF

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Publication number
KR970075895A
KR970075895A KR1019960019594A KR19960019594A KR970075895A KR 970075895 A KR970075895 A KR 970075895A KR 1019960019594 A KR1019960019594 A KR 1019960019594A KR 19960019594 A KR19960019594 A KR 19960019594A KR 970075895 A KR970075895 A KR 970075895A
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KR
South Korea
Prior art keywords
control
hydraulic pump
performance tester
pump performance
data
Prior art date
Application number
KR1019960019594A
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Korean (ko)
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KR100209274B1 (en
Inventor
정재연
오석형
정석훈
조인성
김신
김진문
김정호
백일현
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정재연
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Publication date
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Priority to KR1019960019594A priority Critical patent/KR100209274B1/en
Publication of KR970075895A publication Critical patent/KR970075895A/en
Application granted granted Critical
Publication of KR100209274B1 publication Critical patent/KR100209274B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations

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

Abstract

본 발명은 각종 펌프의 성능을 측정하기 위한 시험장치에 속한 분야로서, 종래의 PLC를 이용하여 제어하였을 경우 I/O접점수가 많아 제어 메모리가 크게 필요하고, 수행속도도 늦을 뿐만 아니라 설비가 차지하는 부피도 크고 다양하게 변화하는 각종 시험조건에 유연하게 대처하지 못하는 과제를 본 발명에서는 기술적으로 해결하기 위한 수단으로 PC(Personal Computer), DI/O(Digital Input/Output), AD converter, D/A converter, Tiner, RS232C 등을 이용하고, 각종 시험조건에 맞게 프로그래밍하여 많은 메모리를 확보하고, 수행시간을 단축시키며 Compact 하고, Flexible한 시스템을 이룰수 있도록 함을 통하여 종래의 문제를 해결함을 요지로 하고 있고 본 발명은 유압펌프 성능 시험기의 제어장치에 그 용도를 둔 것이다.The present invention is a field belonging to a test apparatus for measuring the performance of various pumps, when controlled using a conventional PLC, the number of I / O contact points is large, a large control memory is required, the performance speed is slow as well as the volume occupied by the equipment In the present invention, the problem of not being able to flexibly cope with various test conditions that are large and varied in the present invention as a means for technically solve (PC (Personal Computer), DI / O (Digital Input / Output), AD converter, D / A converter It solves the conventional problems by using the Tiner, RS232C, etc., and programming according to various test conditions to secure a lot of memory, shorten the execution time, and achieve a compact and flexible system. The present invention is directed to the control device of the hydraulic pump performance tester.

Description

PC 제어를 이용한 유압펌프 자동 성능측정 시험기Hydraulic pump automatic performance tester using PC control

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

제1도는 본 시험기의 전체적인 제어 구성도, 제2도는 본 시험기 모터의 속도제어 구성도, 제3도는 본 시험기 밸브의 시퀀스제어 구성도, 제4도는 본 시험기의 경고 및 자기보정 제어구성도.1 is an overall control configuration of the tester, 2 is a speed control configuration of the tester motor, 3 is a sequence control configuration of the tester valve, 4 is a warning and self-calibration control configuration of the tester.

Claims (11)

상기 기존 제어방식의 단점을 극복하고, PC제어를 이용하여 1) Motor의 속도제어, 2) Valve의 sequence제어, 3) 경고제어, 4) 판정제어, 5) 자가진단제어, 6) 보정제어, 7) Data graphic처리, 8) Data acquisition등의 제어과정을 가지며, 작은 부피로 많은 데이타를 확보하여 미세한 제어를 구현하고, 많은 Data와 I/O접점처리를 빠른 시간안에 처리하며 변환하는 각종 시험조건에 유연하게 대응하는 것을 특징으로 하는 유압펌프 성능 시험기.Overcoming the disadvantages of the conventional control method, using PC control, 1) motor speed control, 2) valve sequence control, 3) warning control, 4) judgment control, 5) self-diagnosis control, 6) correction control, 7) Data graphic processing, 8) Data acquisition, etc., have control process to secure a lot of data with small volume to implement fine control, and to handle and convert many data and I / O contact processing in a short time Hydraulic pump performance tester, characterized in that it corresponds flexibly. 제1항에 있어서, ID/O, 속도설정 저항, D/A Converter, Servo기구를 이용하여 모터의 자유로운 가변속을 가져 각 시험단계에 지정된 회전속도로 회전헤가 하며 Timer와의 통신을 통하여 지정된 속도를 일정시간동안 유지하고, 속도의 궤환제어를 수행하는 것을 특징으로 하는 유압펌프 성능 시험기.According to claim 1, ID / O, speed setting resistor, D / A converter, Servo mechanism to freely vary the speed of the motor to rotate at the rotational speed specified in each test step and the specified speed through communication with the timer. A hydraulic pump performance tester, which maintains for a predetermined time and performs speed feedback control. 제1항에 있어서, 각 유압통로에 솔레노이드 밸브를 부착하여 PC, Timer, DI/O, 릴레이를 이용하여 제어밸브들을 ON-OFF 시퀀스에 의해 제어하여 DI/O를 통하여 신호를 받아 각 작동순서에 따라 순차적으로 개폐하는 것을 특징으로 하는 유압펌프 성능 시험기.The solenoid valve is attached to each hydraulic passage, and the control valves are controlled by the ON-OFF sequence using a PC, a timer, a DI / O, and a relay to receive a signal through the DI / O, and to operate each valve. Hydraulic pump performance tester, characterized in that for opening and closing sequentially. 제3항에 있어서, 제어밸브의 ON-OFF 유지시간을 자유롭게 수정하여 정확한 측정을 위한 시간을 확보하는 것을 특징으로 하는 유압펌프 성능 시험기.The hydraulic pump performance tester according to claim 3, wherein the ON-OFF holding time of the control valve is freely modified to secure time for accurate measurement. 제1항에 있어서, 고온유 온도초과, 필터막힘, 모터의 이상속도, 클램프 미확인 등의 항을 설정된 경고조건의 각 DI/O의 응답을 확인하여 경고신호를 보내는 것을 특징으로 하는 유압펌프 성능 시험기.The hydraulic pump performance tester according to claim 1, wherein the high temperature oil temperature exceeding, filter clogging, abnormal speed of the motor, unchecked clamp, and the like are checked to confirm the response of each DI / O under the set warning condition. . 제1항에 있어서, 압력, 유량, 소음, 효율 등의 Data를 각 시험단계별로 취득하여 소정의 판정기준을 설정하고 입력된 Data가 합격범위에 들어오면 합격으로 판정한후 최종적으로 펌프의 합격여부를 판정하여 펌프 각 조건의 판정과 전체적인 판정을 동시에 가지는 것을 특징으로 하는 유압펌프 성능 시험기.The method of claim 1, wherein data such as pressure, flow rate, noise, and efficiency are acquired for each test step, and predetermined criteria are set, and when the input data falls within the pass range, the test is judged to be passed and finally the pump is passed. Hydraulic pump performance tester, characterized in that having the determination of the pump conditions and the overall determination at the same time. 제6항에 있어서, 고 정밀도를 가지는 센서와 A/D Converter를 통하여 많은 양의 측정 Data를 실시간으로 받아 판정의 정확성, 신뢰성을 높인 것을 특징으로 하는 유압펌프 성능 시험기.The hydraulic pump performance tester according to claim 6, wherein a large amount of measurement data is received in real time through a sensor having high precision and an A / D converter to improve accuracy and reliability of the determination. 제6항에 있어서, 판정의 정확성, 신뢰성을 확보하기 위하여 판정시 획득된 Data를 통계처리 과정을 거친 후 판정하는 것을 특징으로 하는 유압펌프 성능 시험기.7. The hydraulic pump performance tester according to claim 6, wherein the data obtained at the time of determination is determined after statistical processing to ensure the accuracy and reliability of the determination. 제1항에 있어서, 본 시험기의 사용시 릴리이프밸브의 압력과 시험조건등을 자유로이 설정 할 수 있도록 하는 보정(Calibration) 프로그램을 가지는 것을 특징으로 하는 유압펌프 성능 시험기.The hydraulic pump performance tester according to claim 1, further comprising a calibration program for freely setting the pressure and test conditions of the relief valve when the tester is used. 제1항에 있어서, 밸브와 센서의 신호가 잘 나오는지여부를 DI/O를 통해서 확인하여 이상이 발견될 시는 즉시 사용자에게 알려주는 자기진단 기능을 갖는 것을 특징으로 하는 유압펌프 성능 시험기.The hydraulic pump performance tester according to claim 1, further comprising a self-diagnosis function that checks whether signals of the valve and the sensor are well received through DI / O and immediately informs the user when an abnormality is found. 제1항에 있어서, Graphic 화면을 이용하여 펌프의 압력, 유량, 소음의 변화과정을 시험과 동시에 관찰할 수 있고, 펌프의 판정을 쉽게 알아볼 수 있는 것을 특징으로 하는 유압펌프 성능 시험기.The hydraulic pump performance tester according to claim 1, wherein the process of changing the pressure, flow rate, and noise of the pump can be observed at the same time as the test using the graphic screen, and the judgment of the pump can be easily recognized. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960019594A 1996-05-30 1996-05-30 Automatic efficiency tester for pump KR100209274B1 (en)

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KR1019960019594A KR100209274B1 (en) 1996-05-30 1996-05-30 Automatic efficiency tester for pump

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KR100209274B1 KR100209274B1 (en) 1999-07-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100697587B1 (en) * 2005-08-17 2007-03-22 (유)종로과학상사 A multi-channel full digital feedback control system
KR100782792B1 (en) * 2003-08-22 2007-12-05 한국원자력연구원 Apparatus and method for controlling thermal stress generator in fatigue test machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101352369B1 (en) * 2011-12-20 2014-01-17 한국기계연구원 System for Automation of Hydraulic Motor Performance Test
KR102403857B1 (en) * 2020-06-18 2022-06-02 한국소방산업기술원 Pump characteristic curve analysis method in pump performance evaluation system for fire fighting vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100782792B1 (en) * 2003-08-22 2007-12-05 한국원자력연구원 Apparatus and method for controlling thermal stress generator in fatigue test machine
KR100697587B1 (en) * 2005-08-17 2007-03-22 (유)종로과학상사 A multi-channel full digital feedback control system

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