KR100676715B1 - An electronic pressure - Google Patents

An electronic pressure Download PDF

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Publication number
KR100676715B1
KR100676715B1 KR1020040086196A KR20040086196A KR100676715B1 KR 100676715 B1 KR100676715 B1 KR 100676715B1 KR 1020040086196 A KR1020040086196 A KR 1020040086196A KR 20040086196 A KR20040086196 A KR 20040086196A KR 100676715 B1 KR100676715 B1 KR 100676715B1
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South Korea
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magnetic field
magnetic
rotating plate
bourdon tube
gear
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KR1020040086196A
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Korean (ko)
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KR20060037063A (en
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이덕재
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주식회사 메타켐
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Priority to KR1020040086196A priority Critical patent/KR100676715B1/en
Priority to PCT/KR2005/001834 priority patent/WO2006046798A1/en
Publication of KR20060037063A publication Critical patent/KR20060037063A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
    • G01L7/043—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges with mechanical transmitting or indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring 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
    • G01L9/0026—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means
    • G01L9/0029—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means using variations in inductance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring 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
    • G01L9/0026—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means
    • G01L9/0032—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means using photoelectric means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

본 발명은 전자식 부르동튜브 압력계에 관한 것이다.The present invention relates to an electronic Bourdon tube pressure gauge.

본 발명은 압력에 의하여 팽창하는 부르동튜브(110)와, 상기 부르동튜브(110)의 변위량을 회전운동으로 전환시키는 변위기어(120)와, 상기 변위기어(120)에 의하여 회동되며 전단이 눈금(150)을 지시하는 바늘(130)이 구비되는 바늘축기어(140)와, 상기 바늘축기어(140)의 후단에 구비되는 마그네틱회전판(231)과, 상기 마그네틱회전판(231)과 대응하여 설치되어서 회전에 따른 극성의 변화과정에 있어 자성의 변화를 감지하여 신호로 출력하는 자기장감지센서(232)와, 자기장 변화 값을 전기적 압력신호로 변환 출력하는 자장연산출력부(233)를 포함하여 구성되는 부르동튜브 압력계에 있어서,According to the present invention, the bourdon tube 110 expands by pressure, the displacement gear 120 for converting the displacement amount of the bourdon tube 110 into rotational motion, and the shear gear rotates by the displacement gear 120. In response to the needle shaft gear 140 having a needle 130 for indicating the scale 150, the magnetic rotating plate 231 provided at the rear end of the needle shaft gear 140, and the magnetic rotating plate 231 The magnetic field sensor 232 is installed to detect the change in the magnetic polarity in the process of changing the polarity according to the rotation and output as a signal, and the magnetic field calculation output unit 233 for converting the magnetic field change value into an electrical pressure signal In the Bourdon tube pressure gauge configured,

상기 마그네틱회전판(231)이 중심축을 기준으로 양쪽 면상에 각각 N극과 S극이 교대로 균등하게 2개씩 분할 구비되고, 상기 마그네틱회전판(231)의 면상에서 발생하는 극성변화를 상기 자기장감지센서(232)가 감지하여 출력하도록 하여서 된 것을 특징으로 한다.The magnetic rotating plate 231 is divided into two equally divided N and S poles on both sides of the central axis, respectively, and the change in polarity generated on the surface of the magnetic rotating plate 231 is the magnetic field sensing sensor ( 232) to detect and output.

압력계pressure gauge

Description

전자식 부르동튜브 압력계{An electronic pressure}Electronic Bourdon Tube Pressure Gauge

도 1 은 일반적인 부르동튜브 압력계의 사시도.1 is a perspective view of a typical Bourdon tube pressure gauge.

도 2 는 일반적인 부르동튜브 압력계의 주요 구성 사시도.Figure 2 is a perspective view of the main configuration of a typical Bourdon tube pressure gauge.

도 3은 본 발명의 실시예를 보인 배면 사시도,3 is a rear perspective view showing an embodiment of the present invention,

도 4는 본 발명에 따른 자석과 센서의 배치도.4 is a layout view of a magnet and a sensor according to the present invention;

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

110 : 부르동튜브 120 : 변위기어 130 : 바늘110: Bourdon tube 120: Displacement gear 130: Needle

140 : 바늘축기어 141 : 구동결합부 150 : 눈금140: needle shaft gear 141: drive coupling portion 150: scale

160 : 눈금판160: scale plate

231 : 마그네틱회전판 232 : 자기장감지센서 233 : 자장연산출력부231: magnetic rotating plate 232: magnetic field sensor 233: magnetic field calculation output unit

본 발명은 전자식 부르동튜브 압력계에 관한 것으로, 더욱 상세하게는 압력증가에 따라 팽창되는 나선형 관의 변위량을 회전에너지로 변환시켜서 바늘과 눈금을 통하여 시각적으로 표시할 수 있게 한 부르동튜브 압력계에 관한 것이다.The present invention relates to an electronic Bourdon tube pressure gauge, and more particularly, to a Bourdon tube pressure gauge that converts the displacement of the spiral tube that expands with the increase in pressure into rotational energy so that it can be visually displayed through a needle and a scale. will be.

일반적으로 사용되는 압력계는 나선형으로 이루어져 가해지는 압력에 의하여 팽창하는 부르동튜브와, 상기 부르동튜브의 변위량을 회전운동으로 전환시키는 변위기어와, 상기 변위기어에 의하여 회동되며 전단이 눈금을 지시하는 바늘이 구비되는 바늘축기어로 이루어진 것이다.The pressure gauge generally used is a bourdon tube which expands by the pressure applied in a spiral, a displacement gear that converts the displacement of the bourdon tube into a rotational movement, and a shear that is rotated by the displacement gear and the shear indicates a scale. It consists of a needle shaft gear is provided with a needle.

상기한 바와 같이 구성된 종래의 부르동튜브 압력계는 도 1 또는 도 2에 도시된 바와같이 압력에 따라 확장 및 수축 동작되는 상기 부르동튜브의 변위를 변위기어를 통하여 바늘이 고정되어 있는 바늘축기어가 회전하므로서 바늘이 회전변위를 하여서 해당되는 압력눈금을 지시하여 압력을 시각적으로 표현되게 하는 것이다.The conventional Bourdon tube pressure gauge configured as described above has a needle shaft gear in which a needle is fixed through a displacement gear to displace the displacement of the Bourdon tube, which is expanded and contracted according to pressure as shown in FIG. 1 or 2. By rotating, the needle rotates to indicate the corresponding pressure scale so that the pressure is visually expressed.

한편, 상기한 바와 같은 압력계를 통하여 표시되는 압력 지시 값을 측정하여 이를 다른 기기에 사용할 수 있게 입력하고자 할 경우에는 상기 압력계가 지시 눈금을 사용자가 읽어서 이를 다른 기기에 입력하거나 별도의 고가 장비를 구비하여 하여야만 가능하였다.On the other hand, if the user wants to measure the pressure indication value displayed through the pressure gauge as described above so that it can be used for other devices, the pressure gauge reads the indication scale by the user and inputs it to another device or has a separate expensive equipment. Only by doing this was possible.

이에, 본 발명은 널리 사용되는 부르동튜브형 압력계의 바늘이 지시한 압력 값을 다른 기기에서의 활용을 위하여 전기적신호로 출력할 수 있도록 한 것이다.Thus, the present invention is to be able to output the pressure value indicated by the needle of the widely used Bourdon tube type pressure gauge as an electrical signal for use in other devices.

즉, 본 발명은 압력증가에 따라 팽창되는 나선형 관의 변위량을 회전에너지로 변환시켜서 이를 통하여 압력을 바늘과 눈금으로 표시할 수 있게 한 압력계에 있어서, 상기 부르동튜브의 변위를 전자신호로 출력하게 하는 것이다.That is, the present invention, in the pressure gauge that converts the displacement amount of the spiral tube expanded in accordance with the pressure increase to the rotational energy to display the pressure by the needle and the scale through this, to output the displacement of the Bourdon tube as an electronic signal It is.

따라서, 본 발명은 부르동튜브 압력계를 실시함에 있어 부르동튜브의 유동을 감지하는 튜브감지수단을 구비하여서 바늘의 지시눈금을 축출하여 다른 기기로 전기적 신호로 보낼 수 있어 그 활용성이 매우 우수한 것이다.
Therefore, the present invention is provided with a tube detecting means for detecting the flow of the Bourdon tube in carrying out the Bourdon tube pressure gauge, it is possible to extract the indication scale of the needle and send it as an electrical signal to other devices, its use is very excellent. .

이하, 본 발명에 따른 바람직한 실시예를 첨부된 도면을 참조로 하여 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

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도 1,2 및 도 6의 도시에 의하여 본 발명은 나선형으로 이루어져 가해지는 압력에 의하여 팽창하는 부르동튜브(110)와, 상기 부르동튜브(110)의 변위량을 회전운동으로 전환시키는 변위기어(120)와, 상기 변위기어(120)에 의하여 회동되며 전단이 눈금(150)을 지시하는 바늘(130)이 구비되는 바늘축기어(140)로 이루어진 부르동압력계에 있어서, 상기 바늘축기어(140)의 후단에 구비되면 면상에 N극과 S극이 교대로 균등하게 2 개 이상으로 분할 구비된 마그네틱회전판(231)과, 상기 마그네틱회전판(231)과 대응하여 설치되어서 회전에 따른 극성의 변화과정에 있어 자성의 변화를 감지하여 신호로 출력하는 자기장감지센서(232)와, 상기 자기장감지센서(232)를 통하여 입력되는 압력 값에 따른 자기장 변화 값을 전기적 압력신호로 변환 출력하는 자장연산출력부(233)로 구성된다.
상기와 같이 구성되는 부르동압력계는, 압력 변화에 따라 수축 팽창 동작되는 상기 부르동튜브(110)에 의하여 상기 바늘축기어(140)가 회전하게 되면 상기 마그네틱회전판(231)이 회전되면서 자기장이 변화되게 되고 이때, 상기 자기장감지센서(232)가 이를 감지하고 상기 자장연산출력부(233)는 상기 자기장감지센서(232)를 통하여 감지된 자기장 감지 값을 다른 기기에 직접 입력 가능한 전기적 압력신호로 변환 출력하게 된다.1,2 and 6 of the present invention, the bourdon tube 110 expands by a pressure applied in a spiral and a displacement gear for converting the displacement of the bourdon tube 110 into a rotational movement ( In the Bourdon manometer consisting of a needle shaft gear 140, 120, and the needle shaft gear 140 is rotated by the displacement gear 120, the front end is provided with a needle 130 indicating the graduation 150, the needle shaft gear 140 When provided at the rear end of the N) and the magnetic pole rotating plate 231 is provided to be divided into two or more evenly alternately on the surface, the magnetic rotating plate 231 is installed corresponding to the change of the polarity according to the rotation process Magnetic field detection sensor for detecting the change in the magnetic field in the magnetic field sensor 232 and outputting the magnetic field change value according to the pressure value input through the magnetic field sensor 232 converted into an electrical pressure signal output unit Ward to 233 It is made.
Bourdon manometer is configured as described above, when the needle shaft gear 140 is rotated by the Bourdon tube 110 is contracted and expanded operation in accordance with the pressure change the magnetic rotating plate 231 is rotated In this case, the magnetic field detection sensor 232 detects this, and the magnetic field calculation output unit 233 converts the magnetic field detection value detected through the magnetic field detection sensor 232 into an electrical pressure signal that can be directly input to another device. Will print.

예를들면, 도 4에 도시된 바와같이 마그네틱회전판(231)에 대해 자기장감지센서(232)가 도 4의 1,2,3,4,5에서와 같이 위치된 상태에서 구간A,B,C,D,E 를 감지하도록 하게 되면, 상기 자장연산출력부(233)에서 상기 자기장감지센서1 부터 센서5까지 각각 1개의 출력값을 만든 다음, 그 위치를 대입시켜 Sin, Cos 값을 만들어낸다.
즉, 특정 각도에서 5개의 출력값이 나타날 때 각각의 출력값으로부터 공지의 코르딕 알고리즘을 통해 각도를 산출하면 된다.For example, as illustrated in FIG. 4, the sections A, B, and C in the state in which the magnetic field sensing sensor 232 is positioned with respect to the magnetic rotating plate 231 as shown in 1,2, 3, 4, and 5 of FIG. 4. When D, E is detected, the magnetic field calculation output unit 233 makes one output value from the magnetic field sensor 1 to the sensor 5, and substitutes the position to generate the Sin and Cos values.
That is, when five output values appear at a specific angle, the angles may be calculated from the respective output values through a known Cordic algorithm.

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따라서, 본 발명은 마그네틱회전판에 분할 형성된 NS 극의 극성변화를 감지하여 이를 출력함에 따라 센싱이 보다 안정되게 이루어질 수 있고 이로 인하여 각종 기기의 원격제어와 정밀제어가 가능하게 하는 매우 유용한 것이다.Accordingly, the present invention can sense the polarity change of the NS pole divided on the magnetic rotating plate and output the same, so that the sensing can be made more stable, thereby enabling remote control and precise control of various devices.

Claims (9)

삭제delete 삭제delete 삭제delete 압력에 의하여 팽창하는 부르동튜브(110)와, 상기 부르동튜브(110)의 변위량을 회전운동으로 전환시키는 변위기어(120)와, 상기 변위기어(120)에 의하여 회동되며 전단이 눈금(150)을 지시하는 바늘(130)이 구비되는 바늘축기어(140)와, 상기 바늘축기어(140)의 후단에 구비되는 마그네틱회전판(231)과, 상기 마그네틱회전판(231)과 대응하여 설치되어서 회전에 따른 극성의 변화과정에 있어 자성의 변화를 감지하여 신호로 출력하는 자기장감지센서(232)와, 자기장 변화 값을 전기적 압력신호로 변환 출력하는 자장연산출력부(233)를 포함하여 구성되는 부르동튜브 압력계에 있어서,Bourdon tube 110 expands by pressure, displacement gear 120 for converting the displacement amount of the Bourdon tube 110 into the rotational movement, and the displacement gear 120 is rotated by the shear (150) Needle shaft gear 140 is provided with a needle 130 indicating a), the magnetic rotating plate 231 provided at the rear end of the needle shaft gear 140, and installed corresponding to the magnetic rotating plate 231 to rotate The magnetic field detection sensor 232 for detecting the change in the magnetic polarity in the process of changing the polarity according to the output and the magnetic field calculation output unit 233 for converting and outputting the magnetic field change value into an electrical pressure signal In the copper tube pressure gauge, 상기 마그네틱회전판(231)이 중심축을 기준으로 양쪽 면상에 각각 N극과 S극이 교대로 균등하게 2개씩 분할 구비되고, 상기 마그네틱회전판(231)의 면상에서 발생하는 극성변화를 상기 자기장감지센서(232)가 감지하여 출력하도록 하여서 된 것을 특징으로 하는 전자식 부르동튜브 압력계.The magnetic rotating plate 231 is divided into two equally divided N and S poles on both sides of the central axis, respectively, and the change in polarity generated on the surface of the magnetic rotating plate 231 is the magnetic field sensing sensor ( Electronic Bourdon tube pressure gauge, characterized in that 232) to detect and output. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
KR1020040086196A 2004-10-27 2004-10-27 An electronic pressure KR100676715B1 (en)

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Application Number Priority Date Filing Date Title
KR1020040086196A KR100676715B1 (en) 2004-10-27 2004-10-27 An electronic pressure
PCT/KR2005/001834 WO2006046798A1 (en) 2004-10-27 2005-06-15 Electronic bourdon tube pressure gauge

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KR1020040086196A KR100676715B1 (en) 2004-10-27 2004-10-27 An electronic pressure

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KR100676715B1 true KR100676715B1 (en) 2007-01-31

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