KR100207797B1 - Pressure measuring apparatus for air conditioner - Google Patents

Pressure measuring apparatus for air conditioner Download PDF

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Publication number
KR100207797B1
KR100207797B1 KR1019970027207A KR19970027207A KR100207797B1 KR 100207797 B1 KR100207797 B1 KR 100207797B1 KR 1019970027207 A KR1019970027207 A KR 1019970027207A KR 19970027207 A KR19970027207 A KR 19970027207A KR 100207797 B1 KR100207797 B1 KR 100207797B1
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South Korea
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pressure
pressure sensor
refrigerant
air conditioner
pressure measuring
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KR1019970027207A
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Korean (ko)
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KR19990003344A (en
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김종권
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윤종용
삼성전자주식회사
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Priority to KR1019970027207A priority Critical patent/KR100207797B1/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/08Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/26Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08Means for indicating or recording, e.g. for remote indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14Housings

Abstract

본 발명은 압력측정장치의 냉매유출을 방지하여 정확한 냉매압력을 측정할 수 있고, 냉매압력의 이상유무를 자동으로 판정할 수 있도록 하여 냉매압력측정의 신뢰성을 향상시킬 수 있도록 하는 공기조화기용 압력측정장치를 제공하기 위한 것으로서,The present invention can measure the accurate refrigerant pressure by preventing the leakage of the refrigerant of the pressure measuring device, it is possible to automatically determine the abnormality of the refrigerant pressure to improve the reliability of the refrigerant pressure measurement for air conditioner pressure measurement To provide a device,

공기조화기용 실외기를 연결하여 상기 실외기의 성능을 검사하기 위한 성능검사장치의 관로 상에 형성되는 압력측정용 바이패스관과; 상기 압력측정용 바이패스관의 단부에 고정되어 냉매압력에 따라서 소정의 신호를 송신하는 압력센서와; 상기 압력센서를 상기 성능검사장치에 고정시키기 위한 고정브레킷과; 상기 압력센서의 신호를 수신받아 상기 압력센서를 통하여 측정된 냉매압력의 이상유무를 판정하는 메인 컨트롤부를 포함하는 공기조화기용 압력측정장치를 제공한다.A pressure measuring bypass pipe formed on a pipe of a performance test apparatus for connecting the outdoor unit for an air conditioner to test the performance of the outdoor unit; A pressure sensor fixed to an end of the pressure measuring bypass pipe and transmitting a predetermined signal according to a refrigerant pressure; A fixing bracket for fixing the pressure sensor to the performance testing device; Provided is a pressure measuring device for an air conditioner including a main control unit for receiving a signal of the pressure sensor to determine whether there is an abnormality of the refrigerant pressure measured by the pressure sensor.

Description

공기조화기용 압력측정장치Pressure measuring device for air conditioner

본 발명은 공기조화기용 압력측정장치에 관한 것으로서, 더욱 상세하게는 공기조화기용 실외기를 연결하여 실외기의 성능을 검사하는 성능검사장치에 냉매 압력을 측정하기 위한 압력센서를 장착하여, 이 압력센서에서 송신되는 소정의 신호를 입력받는 메인 컨트롤부에서 냉매 압력 이상유무를 판정하도록 하는 공기조화기용 압력측정장치에 관한 것이다.The present invention relates to a pressure measuring device for an air conditioner, and more particularly, a pressure sensor for measuring a refrigerant pressure in a performance testing device for connecting an outdoor unit for an air conditioner to check the performance of the outdoor unit, The present invention relates to a pressure measuring device for an air conditioner for determining whether a refrigerant pressure is abnormal in a main control unit receiving a predetermined signal to be transmitted.

일반적으로, 공기조화기용 실외기의 성능을 검사하기 위하여 실내기와 대응하는 기능을 갖춘 성능검사장치가 사용된다.In general, in order to test the performance of the outdoor unit for the air conditioner, a performance tester having a function corresponding to the indoor unit is used.

상기 성능검사장치는 실외기의 운전전류,운전전력,소비전류,소비전력 및 냉매압력등을 검사하여, 실외기의 불량을 검사한다.The performance tester inspects the outdoor unit's operating current, operating power, current consumption, power consumption, and refrigerant pressure to inspect the outdoor unit for failure.

상기 성능검사장치를 통하여 냉매압력을 검사하기 위해서는 도 1에 도시된 바와 같이 상기 성능검사장치(100)의 관로상에 바이패스관(101)을 형성하고, 그 바이패스관(101)의 단부에 압력측정게이지(102)를 장착하는 압력측정장치를 구비한다.In order to inspect the refrigerant pressure through the performance test device, a bypass pipe 101 is formed on the pipeline of the performance test device 100 as shown in FIG. 1, and the end of the bypass pipe 101 is formed. A pressure measuring device for mounting the pressure measuring gauge 102 is provided.

이와 같은 압력측정장치는 비교적 크기가 큰 압력측정게이지를 바이패스관의 단부에 장착하는 구조로서, 성능검사장치의 진동등으로 인하여 상기 압력측정게이지의 연결부로 냉매가 유출되어 정확한 냉매압력을 측정할 수 없는 문제가 있다.Such a pressure measuring device has a structure in which a relatively large pressure measuring gauge is mounted at the end of the bypass pipe, and the refrigerant flows to the connection part of the pressure measuring gauge due to the vibration of the performance testing device to measure the accurate refrigerant pressure. There is no problem.

그리고, 상기 압력측정장치는 작업자가 눈으로 압력측정게이지의 눈금을 확인하여, 냉매압력의 이상유무를 판정하여야 하기 때문에 냉매압력측정의 신뢰성이 저하되는 문제가 있다.In addition, the pressure measuring device has a problem in that the reliability of the refrigerant pressure measurement is deteriorated because an operator must visually check the scale of the pressure measuring gauge to determine whether the refrigerant pressure is abnormal.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 압력측정장치의 냉매유출을 방지하여 정확한 냉매압력을 측정할 수 있고, 냉매압력의 이상유무를 자동으로 판정할 수 있도록 하여 냉매압력측정의 신뢰성을 향상시킬 수 있도록 하는 공기조화기용 압력측정장치를 제공하는데 있다.The present invention has been made to solve the above problems, an object of the present invention is to prevent the refrigerant leakage of the pressure measuring device to accurately measure the refrigerant pressure, and to determine whether the refrigerant pressure abnormality automatically It is to provide a pressure measuring device for an air conditioner to improve the reliability of the refrigerant pressure measurement.

도 1은 종래 기술에 따른 압력측정장치가 장착된 공기조화기용 성능검사장치의 사시도이다.1 is a perspective view of a performance testing device for an air conditioner equipped with a pressure measuring device according to the prior art.

도 2는 본 발명에 따른 압력측정장치가 장착된 공기조화기용 성능검사장치의 사시도이다.2 is a perspective view of a performance tester for an air conditioner equipped with a pressure measuring device according to the present invention.

도 3은 본 발명에 따른 압력센서의 장착구조를 나타내는 단면도이다.3 is a cross-sectional view showing a mounting structure of the pressure sensor according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

10 : 성능검사장치 12 : 케이스\10: performance testing device 12: case \

14 : 컨트롤박스 16 : 바이패스관14: control box 16: bypass tube

18 : 압력센서 20 : 고정브레킷18: pressure sensor 20: fixed bracket

30 : 자체 컨트롤박스30: own control box

상기 목적을 달성하기 위하여 공기조화기용 실외기를 연결하여 상기 실외기의 성능을 검사하기 위한 성능검사장치의 관로 상에 형성되는 압력측정용 바이패스관과; 상기 압력측정용 바이패스관의 단부에 고정되어 냉매압력에 따라서 소정의 신호를 송신하는 압력센서와; 상기 압력센서를 상기 성능검사장치에 고정시키기 위한 고정브레킷과; 상기 압력센서의 신호를 수신받아 상기 압력센서를 통하여 측정된 냉매압력의 이상유무를 판정하는 메인 컨트롤부를 포함하는 공기조화기용 압력측정장치를 제공한다.A pressure measuring bypass tube formed on a conduit of a performance test apparatus for inspecting the performance of the outdoor unit by connecting an outdoor unit for an air conditioner to achieve the above object; A pressure sensor fixed to an end of the pressure measuring bypass pipe and transmitting a predetermined signal according to a refrigerant pressure; A fixing bracket for fixing the pressure sensor to the performance testing device; Provided is a pressure measuring device for an air conditioner including a main control unit for receiving a signal of the pressure sensor to determine whether there is an abnormality of the refrigerant pressure measured by the pressure sensor.

이하, 첨부된 도면을 참조하여 본 발명에 따른 일실시예의 구성을 자세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of an embodiment according to the present invention.

일반적으로, 공기조화기의 실외기의 성능을 검사하기 위하여 실내기와 대응하는 기능을 갖춘 성능검사장치가 사용되며, 상기 성능검사장치는 실외기의 운전전류,운전전력,소비전류,소비전력 및 냉매압력등을 검사하고, 이 검사값을 자체 컨트롤부를 통하여 메인 컨트롤부에 송신한다.In general, a performance tester having a function corresponding to an indoor unit is used to test the performance of an outdoor unit of an air conditioner, and the performance tester includes an operating current, an operating power, a current consumption, a power consumption, and a refrigerant pressure of the outdoor unit. The test value is sent to the main control unit via its own control unit.

상기 메인 컨트롤부는 상기 검사값을 수신받아 데이터를 작업자가 인식할 수 있도록 디스플레이 하거나, 용지에 출력하며, 경고음을 발생하기도 한다.The main control unit receives the inspection value and displays the data so that an operator can recognize it, outputs it to paper, and generates a warning sound.

도 2는 본 발명에 따른 압력측정장치가 장착된 공기조화기용 성능검사장치의 사시도로서, 상기 성능검사장치(10)와 실외기의 연결관계는 생략하고 있다.2 is a perspective view of a performance tester for an air conditioner equipped with a pressure measuring device according to the present invention, and the connection relationship between the performance tester 10 and the outdoor unit is omitted.

상기 성능검사장치(10)는 외관을 이루는 케이스(12)와, 상기 케이스(12)에 장착된 각종 램프와 스위치 및 케이스(12)에 내장되어 상기 실외기와 대응하는 실내기 기능을 수행하기 위한 각종장치 등이 구비되며, 상기 실외기의 성능을 검사하는 검사장치 및 상기 검사장치를 통하여 측정된 검사값을 송신하는 컨트롤박스(14) 등이 구비된다.The performance test apparatus 10 includes a case 12 forming an external appearance, and various lamps and switches mounted on the case 12, and various devices installed in the case 12 to perform indoor unit functions corresponding to the outdoor unit. And an inspection apparatus for inspecting the performance of the outdoor unit and a control box 14 for transmitting the inspection value measured through the inspection apparatus.

상기 압력측정장치는 성능검사장치(10)의 냉매 관로에 연통하도록 결합된 압력측정용 바이패스관(16)과, 상기 압력측정용 바이패스관(16)의 단부에 고정된 압력센서(18)와, 상기 압력센서(18)를 고정시키기 위한 고정브레킷(20)과, 상기 압력센서(18)를 통하여 측정된 냉매압력의 이상유무를 판정하는 메인 컨트롤부(미도시)를 포함하는 구성을 갖는다.The pressure measuring device includes a pressure measuring bypass pipe 16 coupled to communicate with a refrigerant pipe of the performance testing device 10, and a pressure sensor 18 fixed to an end of the pressure measuring bypass pipe 16. And a fixing bracket 20 for fixing the pressure sensor 18 and a main control unit (not shown) for determining whether the refrigerant pressure measured by the pressure sensor 18 is abnormal. Have

상기 압력센서(18)는 상기 바이패스관(16)을 따라서 유입되는 냉매압력에 따라서 가압되는 압전판을 내장하고, 상기 압전판의 가압정도에 따라서 일정한 전류를 흐르게 하는 압력센서이다.The pressure sensor 18 is a pressure sensor that incorporates a piezoelectric plate that is pressurized according to the refrigerant pressure flowing along the bypass pipe 16, and allows a constant current to flow according to the degree of pressurization of the piezoelectric plate.

상기 압력센서(18)는 상기 압력센서(18)를 통하여 측정되는 냉매압력을 작업자가 확인할 수 있도록 상기 성능검사장치(10)의 일측면에 장착되는 압력표시부(25)를 구비한다.The pressure sensor 18 includes a pressure display unit 25 mounted on one side of the performance testing device 10 so that an operator can check the refrigerant pressure measured by the pressure sensor 18.

도 3은 본 발명에 따른 압력센서의 장착구조를 나타내는 단면도로서, 상기 고정브레킷(20)은 상기 압력센서(18)의 몸통부(26)를 잡아주는 고정부(22)와, 상기 성능검사장치(10)의 자체 컨트롤박스(30)에 상기 몸통부(26)를 결합시키기 위한 결합부(24)를 구비한다.3 is a cross-sectional view showing a mounting structure of the pressure sensor according to the present invention, the fixing bracket 20 is a fixing part 22 for holding the body portion 26 of the pressure sensor 18, and the performance test A coupling portion 24 for coupling the body portion 26 to its own control box 30 of the device 10.

상기 압력센서(18)는 그 외연에 방진부재(40)가 장착되는 상태로 상기 고정브레킷(20)에 고정되어, 상기 압력센서의 몸통부(26)에 가해지는 진동을 감소시킨다.The pressure sensor 18 is fixed to the fixed bracket 20 in a state where the dustproof member 40 is mounted on the outer edge thereof, thereby reducing the vibration applied to the body portion 26 of the pressure sensor.

이와 같이 구성되는 압력측정장치는 압력센서(18)의 몸통부(26)가 고정브레킷(20)에 의하여 성능검사장치(10)의 자체 컨트롤박스(30)에 고정되어 있으며, 몸통부(26)의 외연에는 방진부재(40)가 장착되어, 상기 몸통부(18)에서 발생되는 진동으로 인하여 몸통부(18)와 상기 바이패스관(16)의 연결부에서 발생할 수 있는 냉매유출을 방지할 수 있다.In the pressure measuring device configured as described above, the body part 26 of the pressure sensor 18 is fixed to its own control box 30 of the performance testing device 10 by the fixing bracket 20, and the body part 26 The outer edge of the) is equipped with a dustproof member 40, it is possible to prevent the refrigerant leakage that may occur in the connecting portion of the body portion 18 and the bypass pipe 16 due to the vibration generated in the body portion 18 have.

그리고, 압력센서(18)를 통하여 얻어진 냉매압력에 따라서 일정한 전류를 통과시키므로, 메인 컨트롤부에서 냉매압력의 이상유무를 자동으로 판정할 수 있으므로, 상기 실외기의 냉매압 검사작업을 신속하고 정확하게 수행할 수 있다.Further, since a constant current is passed in accordance with the refrigerant pressure obtained through the pressure sensor 18, the main control unit can automatically determine whether there is an abnormality of the refrigerant pressure, so that the refrigerant pressure inspection operation of the outdoor unit can be performed quickly and accurately. Can be.

상기 공기조화기용 압력측정장치의 작동상태를 살펴보면, 상기 바이패스관(16)을 통하여 유입되는 냉매가 압력센서(18)의 압전판을 가압하고, 상기 냉매의 가압력에 따라서 압력센서(18)는 일정한 전류를 통과시키며, 상기 전류값은 성능검사장치(10)의 자체 컨트롤러박스(30)를 통하여 상기 메인 컨트롤부에 송신된다.Looking at the operating state of the air conditioner pressure measuring device, the refrigerant flowing through the bypass pipe 16 pressurizes the piezoelectric plate of the pressure sensor 18, the pressure sensor 18 in accordance with the pressing force of the refrigerant Passing a constant current, the current value is transmitted to the main control unit through its own controller box 30 of the performance testing device (10).

그리고, 상기 메인 컨트롤부는 냉매압력의 이상유무를 판정하여, 디스플레이 하거나 작업자에게 소정의 신호를 보낸다.The main control unit determines whether the refrigerant pressure is abnormal, displays the signal, or sends a predetermined signal to the operator.

상기와 같은 본 발명의 공기조화용 압력측정장치는 냉매유출을 방지하여 정확한 냉매압력을 측정할 수 있고, 냉매압력의 이상유무를 자동으로 판정할 수 있도록 하여 냉매압력측정의 신뢰성을 향상시킬 수 있으므로, 실외기의 성능검사를 보다 정밀하고 빠르게 수행할 수 있는 이점이 있다.The air conditioning pressure measuring apparatus of the present invention as described above can accurately measure the refrigerant pressure by preventing the leakage of the refrigerant, and can automatically determine whether the refrigerant pressure is abnormal, thereby improving the reliability of the refrigerant pressure measurement. Therefore, there is an advantage that the performance test of the outdoor unit can be performed more precisely and quickly.

Claims (3)

공기조화기용 실외기를 연결하여 상기 실외기의 성능을 검사하기 위한 성능검사장치의 관로 상에 형성되는 압력측정용 바이패스관과; 상기 압력측정용 바이패스관의 단부에 고정되어 냉매압력에 따라서 소정의 신호를 송신하는 압력센서와; 상기 압력센서를 상기 성능검사장치에 고정시키기 위한 고정브레킷과; 상기 압력센서의 신호를 수신받아 상기 압력센서를 통하여 측정된 냉매압력의 이상유무를 판정하는 메인 컨트롤부를 포함하는 것을 특징으로 하는 공기조화기용 압력측정장치.A pressure measuring bypass pipe formed on a pipe of a performance test apparatus for connecting the outdoor unit for an air conditioner to test the performance of the outdoor unit; A pressure sensor fixed to an end of the pressure measuring bypass pipe and transmitting a predetermined signal according to a refrigerant pressure; A fixing bracket for fixing the pressure sensor to the performance testing device; And a main control unit configured to receive a signal from the pressure sensor and determine whether there is an abnormality in the refrigerant pressure measured by the pressure sensor. 제 1 항에 있어서, 상기 압력센서는 그 외연에 방진부재가 장착되는 상태로 상기 고정브레킷에 고정되어, 상기 압력센서에 가해지는 진동을 해소하는 것을 특징으로 하는 공기조화기용 압력측정장치.The pressure measuring device for an air conditioner of claim 1, wherein the pressure sensor is fixed to the fixing bracket while the dustproof member is mounted on an outer edge thereof to eliminate vibrations applied to the pressure sensor. 제 1 항에 있어서, 상기 압력센서는 상기 압력센서를 통하여 측정되는 냉매압력을 작업자가 확인할 수 있도록 상기 성능검사장치의 일측면에 장착되는 압력표시부를 포함함을 특징으로 하는 공기조화기용 압력측정장치.The pressure measuring device of claim 1, wherein the pressure sensor includes a pressure display unit mounted on one side of the performance test apparatus so that an operator can check the refrigerant pressure measured by the pressure sensor. .
KR1019970027207A 1997-06-25 1997-06-25 Pressure measuring apparatus for air conditioner KR100207797B1 (en)

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