KR101284606B1 - Inverter booster pump system - Google Patents

Inverter booster pump system Download PDF

Info

Publication number
KR101284606B1
KR101284606B1 KR1020130047175A KR20130047175A KR101284606B1 KR 101284606 B1 KR101284606 B1 KR 101284606B1 KR 1020130047175 A KR1020130047175 A KR 1020130047175A KR 20130047175 A KR20130047175 A KR 20130047175A KR 101284606 B1 KR101284606 B1 KR 101284606B1
Authority
KR
South Korea
Prior art keywords
measured values
control unit
difference
value
pressure sensor
Prior art date
Application number
KR1020130047175A
Other languages
Korean (ko)
Inventor
지창환
Original Assignee
지창환
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 지창환 filed Critical 지창환
Priority to KR1020130047175A priority Critical patent/KR101284606B1/en
Application granted granted Critical
Publication of KR101284606B1 publication Critical patent/KR101284606B1/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/16—Pumping installations or systems with storage reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/11—Kind or type liquid, i.e. incompressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

Landscapes

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

Abstract

PURPOSE: An inverter booster pump system is provided to immediately notice the malfunction of a pressure sensor which malfunctions frequently and to prevent secondary damage caused by the malfunction of the pressure sensor. CONSTITUTION: An inverter booster pump system comprises a plurality of pumps (13). The plurality of pumps is installed in a row between a suction pipe (12) connected to a water storage tank (11) and a discharge pipe (14) supplying water to a used place (15). Inverters (16) are respectively mounted in the pumps, and the RPM of a motor driving the pump by using the inverters is controlled. Three pressure sensors (21,22,23) are mounted in the discharge pipe. Measurement values of the pressure sensor are input to a control unit (17) at a predetermined time interval, and the control unit compares the three measurement values input by the three pressure sensors. The control unit selects two measurement values in which a difference is lowest among the three measurement values and compares an average value of the selected measurement values and the rest measurement value. If a difference of the average value and the rest measurement value is within an allowable error range of the average value, the pressure sensor of the rest measurement value is determined as a normal state. If the difference is out of the allowable error range, the pressure of the rest measurement value is determined as an abnormal state. [Reference numerals] (11) Water storage tank; (16) Inverter; (17) Control unit

Description

인버터 부스터 펌프 시스템{INVERTER BOOSTER PUMP SYSTEM}Inverter booster pump system {INVERTER BOOSTER PUMP SYSTEM}

본 발명은 인버터 부스터 펌프 시스템에 관한 것으로서, 보다 상세하게는 펌프의 토출배관에 3개의 압력센서를 장착하고, 일정주기로 압력센서의 고장을 계속해서 체크함으로써, 압력센서의 고장을 바로 알 수 있고, 압력센서의 고장으로 인한 2차적 피해를 방지할 수 있는 인버터 부스터 펌프 시스템에 관한 것이다.
More particularly, the present invention relates to an inverter booster pump system, in which three pressure sensors are mounted on a discharge pipe of a pump and a failure of the pressure sensor is continuously checked at regular intervals, To an inverter booster pump system capable of preventing a secondary damage due to a failure of a pressure sensor.

대한민국 특허 제10-0233927호(1999년 9월 15일, 등록)에 "부스터 펌프 시스템의 펌프 제어장치와 제어방법"이 소개되어 있다.Korean Patent No. 10-0233927 (registered on September 15, 1999), "Pump control device and control method of booster pump system" is introduced.

상기 부스터 펌프 시스템의 펌프 제어장치는 현재 감지되는 토출압이 설정 토출압을 추종하도록 임의의 한대를 가변속 구동시키고, 그외 다수의 펌프를 순차 구동시켜 실시간으로 감지되는 토출압에 따라 스텝모드 또는 복합모드로 부스터 펌프를 제어하여 일정 토출압이 될 수 있도록 제어하는 수단을 포함한다.The pump control apparatus of the booster pump system drives the arbitrary one of the pumps so that the currently sensed discharge pressure follows the set discharge pressure and sequentially drives the other pumps so that the stepped mode or the combined mode And controlling the booster pump to be controlled to a predetermined discharge pressure.

그러나, 상기 부스터 펌프 시스템의 펌프 제어장치는 부스터 펌프 시스템이 24시간 운전되어 압력센서에도 24시간 압력이 가해져 압력센서가 자주 고장이 발생하지만, 토출배관에 1개의 압력센서가 장착되어, 압력센서가 고장났을 경우에도 고장을 빨리 체크하지 못하고, 압력측정이 제대로 이루어 지지않아 펌프가 전류를 많이 사용하게 되고 이로 인해 펌프의 수명이 단축되는 단점이 있었다.
However, in the pump control system of the booster pump system, the booster pump system operates for 24 hours and pressure is applied to the pressure sensor for 24 hours, causing frequent failure of the pressure sensor. However, since one pressure sensor is mounted on the discharge pipe, In case of a failure, the failure can not be checked quickly, and the pressure measurement is not properly performed, so that the pump uses a lot of current, which shortens the life of the pump.

따라서, 본 발명의 목적은 펌프의 토출배관에 3개의 압력센서를 장착하고, 일정주기로 압력센서의 고장을 계속해서 체크함으로써, 압력센서의 고장을 바로 알 수 있고, 압력센서의 고장으로 인한 2차적 피해를 방지할 수 있는 인버터 부스터 펌프 시스템을 제공하는 것이다.
Therefore, it is an object of the present invention to provide a pressure sensor that can detect a failure of a pressure sensor immediately by mounting three pressure sensors on a discharge pipe of a pump and continuously checking the failure of the pressure sensor at regular intervals, And to provide an inverter booster pump system capable of preventing damage.

상기와 같은 목적을 달성하기 위한 본 발명의 일례는 저수조와 연결된 흡입배관과 사용처로 물을 공급하는 토출배관 사이에 복수개의 펌프가 병렬로 설치되고, 각각의 펌프에 인버터가 각각 장착되어, 인버터에 의해 펌프를 구동하는 모터의 rpm이 제어되고, 인버터가 제어부에 의해 제어되는 인버터 부스터 펌프 시스템에 있어서, 토출배관에 3개의 압력센서가 장착되고, 각각의 압력센서의 측정값이 제어부로 일정시간 간격으로 입력되며, 3개의 압력센서로부터 입력되는 3개의 측정값을 제어부에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단하는 것을 특징으로 한다.According to an aspect of the present invention, there is provided an air conditioner comprising: a plurality of pumps installed in parallel between a suction pipe connected to a water reservoir and a discharge pipe for supplying water to a user; In the inverter booster pump system in which the rpm of the motor for driving the pump is controlled and the inverter is controlled by the control unit, three pressure sensors are mounted on the discharge pipe, and the measured values of the respective pressure sensors are transmitted to the control unit at predetermined intervals And the three measured values inputted from the three pressure sensors are compared with each other in the control unit to select two measured values having the smallest difference among the three measured values and the average value obtained by summing the two selected measured values If the difference between the average value and the remaining measurement value is within the tolerance of the average value, the pressure sensor If it is determined as normal, the tolerances described above, the pressure sensor of the remaining measured values is characterized in that said fault determination.

본 발명의 다른 예는 흡입배관과 토출배관 사이에 복수개의 펌프가 병렬로 설치되고, 펌프에 의해 토출배관을 통해 저온의 난방수가 열교환기로 공급되고, 열교환기에서 열교환된 고온의 난방수가 공급라인을 통해 각각의 세대로 공급되고, 각각의 세대를 난방하고 리턴 라인으로 저온의 난방수가 공급되고, 리턴 라인이 흡입배관과 연결되어, 저온의 난방수가 펌프로 공급되며, 각각의 펌프에 인버터가 각각 장착되어, 인버터에 의해 펌프를 구동하는 모터의 rpm이 제어되고, 인버터가 제어부에 의해 제어되는 인버터 부스터 펌프 시스템에 있어서, 토출배관에 3개의 압력센서가 장착되고, 압력센서의 측정값이 제어부로 일정시간 간격으로 입력되며, 3개의 압력센서로부터 입력되는 3개의 측정값을 제어부에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단하는 것을 특징으로 한다.In another example of the present invention, a plurality of pumps are installed in parallel between the suction pipe and the discharge pipe, the low temperature water is supplied to the heat exchanger through the discharge pipe by the pump, and the high temperature heating water heat- And the low-temperature heating water is supplied to the return line, the return line is connected to the suction pipe, the low-temperature heating water is supplied to the pump, and the inverters are respectively mounted to the respective pumps In the inverter booster pump system in which the rpm of the motor for driving the pump is controlled by the inverter and the inverter is controlled by the control unit, three pressure sensors are mounted on the discharge pipe, And the three measured values inputted from the three pressure sensors are compared with each other in the control unit, and the difference If the difference between the average value and the remaining measurement value is within the tolerance of the average value, the remaining one measurement value is compared with the average value obtained by averaging the two selected measurement values. It is determined that the pressure sensor is normal, and if the pressure difference is equal to or larger than the tolerance, the pressure sensor of the other measured value is determined to be defective.

또한, 상기 흡입배관에도 3개의 압력센서가 장착되며, 압력센서의 측정값이 제어부로 일정시간 간격으로 입력되며, 3개의 압력센서로부터 입력되는 3개의 측정값을 제어부에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단하는 것을 특징으로 한다.
Also, the suction pipe is provided with three pressure sensors, and the measured values of the pressure sensors are inputted to the control unit at predetermined time intervals. The three measured values inputted from the three pressure sensors are compared with each other in the control unit, If the difference between the average value and the remaining measurement value is within the tolerance of the average value, the remaining one measurement value is compared with the average value obtained by averaging the two selected measurement values, It is determined that the pressure sensor of one measured value is normal and that the pressure sensor of the other measured value is determined to be faulty if the measured value is equal to or larger than the tolerance.

이것에 의해, 본 발명에 따른 부스터 펌프 시스템은 자주 고장나는 압력센서의 고장을 바로 알 수 있고, 압력센서의 고장으로 인한 2차적 피해를 방지할 수 있는 효과가 있다.
Accordingly, the booster pump system according to the present invention can immediately detect the failure of the pressure sensor that frequently fails, and can prevent the secondary damage due to the failure of the pressure sensor.

도 1은 본 발명에 따른 인버터 부스터 펌프 시스템이 대형 건물의 급수 시스템에 적용되는 예를 개략적으로 도시한 구성도
도 2는 본 발명에 따른 인버터 부스터 펌프 시스템이 공동주택 난방 시스템에 적용되는 예를 개략적으로 도시한 구성도1 is a block diagram schematically showing an example in which an inverter booster pump system according to the present invention is applied to a water supply system of a large building;
2 is a block diagram schematically showing an example in which the inverter booster pump system according to the present invention is applied to a multi-

이하, 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1을 참조하면, 일반적으로, 빌딩 등과 같은 대형 건물의 급수 시스템에 적용되는 인버터 부스터 펌프 시스템은 저수조(11)와 연결된 흡입배관(12)과 사용처(15)로 물을 공급하는 토출배관(14) 사이에 복수개의 펌프(13)가 병렬로 설치되고, 각각의 펌프(13)에 인버터(16)가 각각 장착되어, 인버터(16)에 의해 펌프(13)를 구동하는 모터의 rpm이 제어되고, 인버터(16)가 제어부(17)에 의해 제어된다.1, an inverter booster pump system applied to a water supply system of a large building such as a building generally includes a suction pipe 12 connected to a water storage tank 11 and a discharge pipe 14 A plurality of pumps 13 are provided in parallel between the pumps 13 and 13 and an inverter 16 is attached to each pump 13 so that the rpm of the motor for driving the pump 13 by the inverter 16 is controlled , And the inverter 16 is controlled by the control unit 17. [

상기와 같은 인버터 부스터 펌프 시스템에 있어서, 본 발명의 제 1 실시예는 토출배관(14)에 3개의 압력센서(21, 22, 23)가 장착되고, 압력센서(21, 22, 23)의 측정값이 제어부(17)로 일정시간 간격으로 입력되며, 3개의 압력센서(21, 22, 23)로부터 입력되는 3개의 측정값을 제어부(17)에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단한다.In the inverter booster pump system as described above, the first embodiment of the present invention is characterized in that three pressure sensors 21, 22, 23 are mounted on the discharge pipe 14 and the pressure sensors 21, 22, Values are inputted to the control unit 17 at predetermined time intervals and the three measurement values input from the three pressure sensors 21, 22 and 23 are compared with each other in the control unit 17, If the difference between the average value and the other measured value is within the tolerance of the mean value, the pressure of the other measured value is compared with the average value obtained by adding the two selected measured values, It is determined that the sensor is normal, and if the tolerance is more than the tolerance, the pressure sensor of the other measured value is determined to be faulty.

즉, 예를 들어, 제 1 압력센서(21)의 측정값이 A(10.1bar)이고, 제 2 압력센서(22)의 측정값이 B(10.0bar)이고, 제 3 압력센서(23)의 측정값이 C(10.3bar)일 경우, A:B, B:C, C:A를 비교하여 차이가 가장 적은 A, B를 선택하고, (A+B)/2와 같이 A와 B의 평균값(10.05bar)을 구하고, 평균값(10.05bar)과 C(10.3bar)를 비교하여, 평균값(10.05bar)과 C(10.3bar)의 차이가 평균값의 허용오차의 범위 이내이면 정상이라고 판단하고, 여기서와 같이, 평균값(10.05bar)과 C(10.3bar)의 차이(0.25bar)가 평균값의 허용오차(0.1bar) 이상이면, C에 해당되는 제 3 압력센서(23)가 고장이라고 판단하고, 제어부의 표시창에 고장 메시지를 출력한다.That is, for example, when the measured value of the first pressure sensor 21 is A (10.1 bar), the measured value of the second pressure sensor 22 is B (10.0 bar) When the measured value is C (10.3 bar), A, B with the smallest difference are selected by comparing A: B, B: C and C: (10.05 bar) is compared with the average value (10.05 bar) and C (10.3 bar). If the difference between the mean value (10.05 bar) and C (10.3 bar) is within the tolerance of the mean value, , It is determined that the third pressure sensor 23 corresponding to C is in failure if the difference (0.25 bar) between the average value (10.05 bar) and C (10.3 bar) is equal to or greater than the tolerance of the mean value (0.1 bar) A fault message is displayed on the display window of the controller.

위에서, 허용오차는 압력센서를 구입할 때, 압력센서의 측정 허용오차가 명시되어 있으며, 압력센서를 설치하고, 제어부에 허용오차를 입력하게 된다.When the pressure sensor is purchased, the measurement tolerance of the pressure sensor is specified, the pressure sensor is installed, and the tolerance is input to the control unit.

이와 같이, 본 발명의 제 1 실시예에 따른 인버터 부스터 펌프 시스템은 토출배관에 3개의 압력센서를 장착하고, 압력센서의 고장을 일정주기로 계속해서 체크함으로써, 고장이 잦은 압력센서의 고장을 바로 알 수 있고, 압력센서의 고장으로 인한 2차적 피해를 방지할 수 있는 장점이 있다.
As described above, in the inverter booster pump system according to the first embodiment of the present invention, three pressure sensors are mounted on the discharge pipe, and the failure of the pressure sensor is continuously checked at regular intervals, There is an advantage that secondary damage due to failure of the pressure sensor can be prevented.

도 2를 참조하면, 일반적으로, 아파트 등과 같은 공동주택의 난방 시스템에 적용되는 인버터 부스터 펌프 시스템은 흡입배관(51)과 토출배관(52) 사이에 복수개의 펌프(53)가 병렬로 설치되고, 펌프(53)에 의해 토출배관(52)을 통해 저온의 난방수가 열교환기(54)로 공급되고, 열교환기(54)에서 열교환된 고온의 난방수가 공급라인(55)을 통해 각각의 세대(56)로 공급되고, 각각의 세대(55)를 난방하고 리턴 라인(57)으로 저온의 난방수가 공급되고, 리턴 라인(57)이 흡입배관(51)과 연결되어, 저온의 난방수가 펌프(53)로 공급되며, 각각의 펌프(53)에 인버터(58)가 각각 장착되어, 인버터(58)에 의해 펌프(53)를 구동하는 모터의 rpm이 제어되고, 인버터(58)가 제어부(59)에 의해 제어된다.2, in an inverter booster pump system applied to a heating system of a multi-family house such as an apartment house, a plurality of pumps 53 are installed in parallel between a suction pipe 51 and a discharge pipe 52, The low temperature heating water is supplied to the heat exchanger 54 through the discharge pipe 52 by the pump 53 and the high temperature heating water heat exchanged in the heat exchanger 54 is supplied to the respective generations 56 And the return line 57 is connected to the suction pipe 51 so that the low temperature heating water is supplied to the pump 53. In this case, The rpm of the motor for driving the pump 53 is controlled by the inverter 58 and the inverter 58 is connected to the control unit 59 .

상기와 같은 인버터 부스터 펌프 시스템에 있어서, 본 발명의 제 2 실시예는 토출배관(52)에 3개의 압력센서(61, 62, 63)가 장착되고, 압력센서(61, 62, 63)의 측정값이 제어부(59)로 일정시간 간격으로 입력되며, 3개의 압력센서(61, 62, 63)로부터 입력되는 3개의 측정값을 제어부(59)에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단한다.In the above-described inverter booster pump system, the second embodiment of the present invention is characterized in that three pressure sensors 61, 62 and 63 are mounted on the discharge pipe 52 and the pressure sensors 61, 62 and 63 Values are inputted to the control unit 59 at predetermined time intervals and the three measured values inputted from the three pressure sensors 61, 62 and 63 are compared with each other in the control unit 59, If the difference between the average value and the other measured value is within the tolerance of the mean value, the pressure of the other measured value is compared with the average value obtained by adding the two selected measured values, It is determined that the sensor is normal, and if the tolerance is more than the tolerance, the pressure sensor of the other measured value is determined to be faulty.

또한, 본 발명의 제 2 실시예는 흡입배관(51)에 3개의 압력센서(65, 66, 67)가 장착되며, 압력센서(66, 67, 68)의 측정값이 제어부(59)로 일정시간 간격으로 입력되며, 3개의 압력센서(66, 67, 68)로부터 입력되는 3개의 측정값을 제어부(59)에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단한다.In the second embodiment of the present invention, three pressure sensors 65, 66 and 67 are mounted on the suction pipe 51, and the measured values of the pressure sensors 66, 67 and 68 are sent to the controller 59, The controller 59 compares the three measured values inputted from the three pressure sensors 66, 67 and 68 with each other and selects two measured values having the smallest difference among the three measured values , The average value of the two selected measurement values is compared with the other measurement value, and if the difference between the average value and the remaining measurement value is within the tolerance of the average value, the pressure sensor of the other measurement value is determined to be normal, If the error is greater than or equal to the error, the pressure sensor of the other measured value is judged to be faulty.

이와 같이, 본 발명의 제 2 실시예에 따른 인버터 부스터 펌프 시스템 또한 토출배관과 흡입배관에 압력센서를 3개씩 각각 장착하고, 압력센서의 고장을 일정주기로 계속해서 체크함으로써, 고장이 잦은 압력센서의 고장을 바로 알 수 있고, 압력센서의 고장으로 인한 2차적 피해를 방지할 수 있는 장점이 있다.
As described above, the inverter booster pump system according to the second embodiment of the present invention also includes three pressure sensors mounted on the discharge pipe and the suction pipe, respectively, and the failure of the pressure sensor is continuously checked at regular intervals, There is an advantage that the failure can be immediately recognized and the secondary damage due to the failure of the pressure sensor can be prevented.

11 : 저수조 12 : 흡입배관
13 : 펌프 14 : 토출배관
15 : 사용처 16 : 인버터
17 : 제어부11: Water tank 12: Suction piping
13: Pump 14: Discharge piping
15: Application 16: Inverter
17:

Claims (3)

저수조(11)와 연결된 흡입배관(12)과 사용처(15)로 물을 공급하는 토출배관(14) 사이에 복수개의 펌프(13)가 병렬로 설치되고, 각각의 펌프(13)에 인버터(16)가 각각 장착되어, 인버터(16)에 의해 펌프(13)를 구동하는 모터의 rpm이 제어되고, 인버터(16)가 제어부(17)에 의해 제어되는 인버터 부스터 펌프 시스템에 있어서,
토출배관(14)에 3개의 압력센서(21, 22, 23)가 장착되고, 압력센서(21, 22, 23)의 측정값이 제어부(17)로 일정시간 간격으로 입력되며, 3개의 압력센서(21, 22, 23)로부터 입력되는 3개의 측정값을 제어부(17)에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단하는 것을 특징으로 하는 인버터 부스터 펌프 시스템.
A plurality of pumps 13 are provided in parallel between a suction pipe 12 connected to the water storage tank 11 and a discharge pipe 14 for supplying water to the place of use 15, In the inverter booster pump system in which the rpm of the motor for driving the pump 13 is controlled by the inverter 16 and the inverter 16 is controlled by the control unit 17,
The three pressure sensors 21, 22 and 23 are mounted on the discharge pipe 14 and the measured values of the pressure sensors 21, 22 and 23 are input to the control unit 17 at predetermined time intervals. The control unit 17 compares the three measured values inputted from the two measuring units 21, 22, and 23 with each other, selects two measured values having the smallest difference among the three measured values, and averages the selected two measured values If the difference between the average value and the other measured value is within the allowable error of the mean value, the pressure sensor of the other measured value is determined to be normal. If the difference is greater than the tolerance, The controller determines that the sensor is faulty.
흡입배관(51)과 토출배관(52) 사이에 복수개의 펌프(53)가 병렬로 설치되고, 펌프(53)에 의해 토출배관(52)을 통해 저온의 난방수가 열교환기(54)로 공급되고, 열교환기(54)에서 열교환된 고온의 난방수가 공급라인(55)을 통해 각각의 세대(56)로 공급되고, 각각의 세대(55)를 난방하고 리턴 라인(57)으로 저온의 난방수가 공급되고, 리턴 라인(57)이 흡입배관(51)과 연결되어, 저온의 난방수가 펌프(53)로 공급되며, 각각의 펌프(53)에 인버터(58)가 각각 장착되어, 인버터(58)에 의해 펌프(53)를 구동하는 모터의 rpm이 제어되고, 인버터(58)가 제어부(59)에 의해 제어되는 인버터 부스터 펌프 시스템에 있어서,
토출배관(52)에 3개의 압력센서(61, 62, 63)가 장착되고, 압력센서(61, 62, 63)의 측정값이 제어부(59)로 일정시간 간격으로 입력되며, 3개의 압력센서(61, 62, 63)로부터 입력되는 3개의 측정값을 제어부(59)에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단하는 것을 특징으로 하는 인버터 부스터 펌프 시스템.
A plurality of pumps 53 are provided in parallel between the suction pipe 51 and the discharge pipe 52 and the low temperature water is supplied to the heat exchanger 54 through the discharge pipe 52 by the pump 53 The high-temperature heating water heat-exchanged in the heat exchanger 54 is supplied to the respective generations 56 through the supply line 55, the respective generations 55 are heated and the low-temperature heating water is supplied to the return line 57 And the return line 57 is connected to the suction pipe 51 so that the low temperature heating water is supplied to the pump 53 and the inverter 58 is mounted to each pump 53, In which the rpm of the motor for driving the pump 53 is controlled and the inverter 58 is controlled by the control unit 59,
Three pressure sensors 61, 62 and 63 are mounted on the discharge pipe 52 and the measured values of the pressure sensors 61, 62 and 63 are input to the control unit 59 at predetermined time intervals, The controller 59 compares the three measured values inputted from the two measuring points 61, 62 and 63 with each other, selects two measured values having the smallest difference among the three measured values, and averages the selected two measured values If the difference between the average value and the other measured value is within the allowable error of the mean value, the pressure sensor of the other measured value is determined to be normal. If the difference is greater than the tolerance, The controller determines that the sensor is faulty.
제 2 항에 있어서,
상기 흡입배관(51)에 3개의 압력센서(65, 66, 67)가 장착되며, 압력센서(66, 67, 68)의 측정값이 제어부(59)로 일정시간 간격으로 입력되며, 3개의 압력센서(66, 67, 68)로부터 입력되는 3개의 측정값을 제어부(59)에서 서로 비교하여, 3개의 측정값 중 가장 차이가 적은 2개의 측정값을 선택하며, 선택한 2개의 측정값을 합해 평균한 평균값과 나머지 한 측정값을 비교하여, 평균값과 나머지 한 측정값의 차이가 평균값의 허용 오차 이내이면, 나머지 한 측정값의 압력센서를 정상으로 판단하고, 허용 오차 이상이면, 나머지 한 측정값의 압력센서를 고장이라고 판단하는 것을 특징으로 하는 인버터 부스터 펌프 시스템.3. The method of claim 2,
Three pressure sensors 65, 66 and 67 are mounted on the suction pipe 51 and the measured values of the pressure sensors 66, 67 and 68 are input to the control unit 59 at predetermined time intervals, The three measured values inputted from the sensors 66, 67 and 68 are compared with each other in the control unit 59 to select two measured values having the smallest difference among the three measured values, If the difference between the average value and the other measurement value is within the tolerance of the average value, the pressure sensor of the remaining one measurement value is determined to be normal. If the difference between the average value and the remaining measurement value is within the tolerance of the average value, And the pressure sensor is judged to be faulty.
KR1020130047175A 2013-04-29 2013-04-29 Inverter booster pump system KR101284606B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020130047175A KR101284606B1 (en) 2013-04-29 2013-04-29 Inverter booster pump system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130047175A KR101284606B1 (en) 2013-04-29 2013-04-29 Inverter booster pump system

Publications (1)

Publication Number Publication Date
KR101284606B1 true KR101284606B1 (en) 2013-07-10

Family

ID=48997038

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130047175A KR101284606B1 (en) 2013-04-29 2013-04-29 Inverter booster pump system

Country Status (1)

Country Link
KR (1) KR101284606B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150007538A (en) * 2013-07-11 2015-01-21 현대중공업 주식회사 Method for prevening overpressure of lng ship 4-stage cargo compressor
KR101593972B1 (en) 2014-04-07 2016-02-15 대우조선해양 주식회사 Method for controlling pump system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191209A (en) 2002-12-12 2004-07-08 Japan Energy Corp Method and system for diagnosis of abnormality
KR100982683B1 (en) 2010-03-11 2010-09-16 양재구 Precise and reliable water level control method of pressure tank including a plurality of sensors
KR101098821B1 (en) 2010-06-17 2011-12-26 플로우테크 주식회사 Control method of pressure maintenance unit for heating and cooling system including a plurality of sensors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191209A (en) 2002-12-12 2004-07-08 Japan Energy Corp Method and system for diagnosis of abnormality
KR100982683B1 (en) 2010-03-11 2010-09-16 양재구 Precise and reliable water level control method of pressure tank including a plurality of sensors
KR101098821B1 (en) 2010-06-17 2011-12-26 플로우테크 주식회사 Control method of pressure maintenance unit for heating and cooling system including a plurality of sensors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150007538A (en) * 2013-07-11 2015-01-21 현대중공업 주식회사 Method for prevening overpressure of lng ship 4-stage cargo compressor
KR101961610B1 (en) * 2013-07-11 2019-07-17 한국조선해양 주식회사 Method for prevening overpressure of lng ship 4-stage cargo compressor
KR101593972B1 (en) 2014-04-07 2016-02-15 대우조선해양 주식회사 Method for controlling pump system

Similar Documents

Publication Publication Date Title
US8991417B2 (en) Method for controlling pressure keeping facility for cooling and heating system provided with plurality of sensors
JP6532605B2 (en) Air conditioner
CN113566379B (en) Control method, system and device after indoor unit ambient temperature sensor failure
JP2015045487A (en) Air conditioner
KR101284606B1 (en) Inverter booster pump system
JP2010255979A (en) Heat pump type water heater
JP2009243774A (en) Heat pump type water heater
CN108302765B (en) Heat pump water heater and start-stop control method and control device thereof
KR20210013126A (en) Heat source system, heat source device, control device
JP2013079746A (en) Cogeneration system
KR102148137B1 (en) Calorimetry system capable of detecting the failure of household water temperature sensor and control method of the same
KR20170069098A (en) Gas boiler and emergency driving control method thereof
JP3579440B2 (en) Self-check method of temperature sensor in large capacity hot water supply system with combined heat source
US20220205648A1 (en) Orientation-based hvac control
JP2009052759A (en) Storage water heater
WO2018154768A1 (en) Air conditioner
KR20070031681A (en) Automatic Operation Test Control Method and System of Boiler
JP2016114273A (en) Hot water supply system
JP2011106735A (en) Erroneous piping detection system in bathroom heating device
KR102235208B1 (en) Apparatus and Method for Emergency Operation of Boiler
KR20110120636A (en) Method for automatic water-supplying in boiler having closed type water tank
KR101673476B1 (en) Ground impedance of the boiler within the various sensors automatically matching apparatus and method
JP7560328B2 (en) Bathroom air conditioning system
JP5964099B2 (en) Hot water system
KR101912761B1 (en) Pump operation detecting system and method of boiler cascade system

Legal Events

Date Code Title Description
A201 Request for examination
A302 Request for accelerated examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20160428

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20170426

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20180426

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20190424

Year of fee payment: 7