KR20110125504A - Anemovane - Google Patents

Anemovane Download PDF

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KR20110125504A
KR20110125504A KR1020100045071A KR20100045071A KR20110125504A KR 20110125504 A KR20110125504 A KR 20110125504A KR 1020100045071 A KR1020100045071 A KR 1020100045071A KR 20100045071 A KR20100045071 A KR 20100045071A KR 20110125504 A KR20110125504 A KR 20110125504A
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South Korea
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wind
measuring
wind speed
present
probe
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KR1020100045071A
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Korean (ko)
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KR101184400B1 (en
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조남규
이동혁
이병준
임종석
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한양대학교 산학협력단
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
    • G01W1/04—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving only separate indications of the variables measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/06—Indicating or recording devices, e.g. for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
    • G01P5/086—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect by using special arrangements and constructions for measuring the dynamo-electric effect

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

PURPOSE: Anemovane is provided to cost-effectively measure both direction and speed of wind by being composed of a measuring probe, a plurality of measuring elements, and a controlling part. CONSTITUTION: Anemovane includes a measuring probe(10), a plurality of measuring elements(20), and a controlling part. The measuring probe is composed of a thin plate which is capable of being transformable according to the pressure of wind. The measuring probe is formed into a three dimensional structure. The measuring elements are in combined with the measuring probe. The measuring elements measure the transformed rate of the measuring plate according to the pressure of the wind. Based on the measured transformed rate of the measuring probe, the controlling part calculates the direction and the speed of the wind.

Description

풍향풍속계{Anemovane}Wind direction anemometer {Anemovane}

본 발명은 풍향 및 풍속을 측정하는 풍향풍속계에 관한 것이다.The present invention relates to a wind vane measuring the wind direction and wind speed.

풍향 및 풍속을 측정하기 위한 다양한 형태의 풍속계가 개발되어 사용되고 있으며, 이러한 풍속계의 형태로는 크게 회전식 풍속계, 초음파 풍속계 및 열선 풍속계가 있다. Various types of anemometers have been developed and used for measuring wind direction and wind speed, and the types of such anemometers include rotary anemometers, ultrasonic anemometers, and hot wire anemometers.

회전식 풍속계는 바람에 의해 회전부(바람개비 형상 또는 컵 형상)가 회전하는 수를 이용하여 풍속을 측정하는 것이다. 이러한 회전식 풍속계는 측정할 수 있는 풍속의 범위가 제한적이고, 풍향과 풍속을 다른 지점에서 측정하여야 하는 문제점이 있다.A rotary anemometer measures wind speed using the number of rotation of a rotating part (wheel shape or cup shape) by wind. Such a rotary anemometer has a limited range of wind speeds that can be measured, and there is a problem in that the wind direction and the wind speed should be measured at different points.

그리고, 초음파 풍속계는 초음파를 이용하여 풍속/풍향을 측정하는 것으로, 3차원의 풍향과 풍속을 동시에 측정할 수는 있지만, 장치의 크기가 크고 고가라는 단점이 있다.In addition, the ultrasonic anemometer measures the wind speed / wind direction using ultrasonic waves, but can simultaneously measure the three-dimensional wind direction and the wind speed, but the disadvantage is that the size of the device is large and expensive.

또한, 초음파 풍속계에 비하여 크기가 작은 열선 풍속계의 경우, 풍속만을 측정할 수 있으며, 습도와 같은 외부환경에 민감하게 반응하여 안정된 측정이 어렵다는 문제점이 있다.In addition, in the case of a hot wire anemometer having a smaller size than an ultrasonic anemometer, only a wind speed can be measured, and there is a problem in that stable measurement is difficult because it is sensitive to an external environment such as humidity.

따라서, 작은 크기를 가지고 경제적으로 풍향 및 풍속을 측정할 수 있는 새로운 형태의 풍향풍속계의 개발이 요구되는 실정이다.Therefore, the development of a new type of wind vane that can measure the wind direction and wind speed economically with a small size is required.

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 풍향과 풍속을 함께 측정할 수 있으며, 크기가 작고 경제적인 풍향풍속계를 제공하는 것이다.The present invention has been made to solve the above problems, an object of the present invention is to provide a wind vane anemometer, which can measure the wind direction and wind speed together, a small size and economical.

상기 목적을 달성하기 위하여, 본 발명에 따른 풍향풍속계는 풍압에 의해 변형가능하도록 박판(薄板)으로 이루어지며, 입체적인 구조를 가지는 측정프로브와, 상기 측정프로브에 결합되며, 풍압에 의한 상기 측정프로브의 변형량을 측정하는 복수의 측정소자와, 상기 각 측정소자에서 측정된 변형량을 기초로 하여, 풍속 및 풍향을 산출하는 제어부를 포함하는 것을 특징으로 한다.In order to achieve the above object, the wind vane according to the present invention is made of a thin plate (변형) to be deformable by the wind pressure, measuring probe having a three-dimensional structure, and coupled to the measuring probe, the measurement probe by the wind pressure A plurality of measuring elements for measuring the amount of deformation, and based on the amount of deformation measured by each of the measuring elements, characterized in that it comprises a control unit for calculating the wind speed and the wind direction.

본 발명에 따르면, 상기 측정프로브는 구(球) 또는 정다면체 구조를 가지는 것이 바람직하다.According to the present invention, the measuring probe preferably has a spherical or regular polyhedral structure.

또한, 본 발명에 따르면 상기 산출된 풍속 및 풍향을 실시간으로 나타내는 디스플레이부를 더 포함하는 것이 바람직하다.]According to the present invention, it is preferable to further include a display unit for displaying the calculated wind speed and direction in real time.]

또한, 본 발명에 따르면 상기 측정소자는 스트레인게이지 또는 압전필름인 것이 바람직하다.In addition, according to the present invention, the measuring device is preferably a strain gauge or a piezoelectric film.

상기한 구성의 본 발명에 따르면, 풍향 및 풍속을 함께 측정할 수 있으며, 경제적이고 작은 크기를 가지는 풍향풍속계를 제작할 수 있다.According to the present invention of the above configuration, it is possible to measure the wind direction and wind speed together, it is possible to manufacture a wind vane an economical and small size.

도 1은 본 발명의 일 실시예에 따른 풍향풍속계의 사시도이다.
도 2 및 도 3은 실제 제작한 풍향풍속계 샘플의 사진이다.
도 4는 풍향풍속계 샘플의 디스플레이부 사진이다.1 is a perspective view of a wind vane according to an embodiment of the present invention.
2 and 3 are photographs of the actual wind vane sample produced.
4 is a photograph of a display unit of a wind vane sample.

이하, 첨부된 도면을 참조하여 본 발명의 일 실시예에 따른 풍향풍속계에 관하여 설명한다.Hereinafter, a wind vane according to an embodiment of the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 풍향풍속계의 사시도이다.1 is a perspective view of a wind vane according to an embodiment of the present invention.

도 1을 참조하면, 본 실시예에 따른 풍향풍속계는 측정프로브(10)와, 측정소자(20)와, 제어부(도면 미도시)와, 디스플레이부(도면 미도시)를 포함한다.Referring to FIG. 1, the wind vane according to the present embodiment includes a measuring probe 10, a measuring element 20, a control unit (not shown), and a display unit (not shown).

측정프로브(10)는 풍속 및 풍향 측정을 위해 바람이 부는 곳에 노출되어, 풍압에 의해 적절하게 변형되는 것으로, 본 실시예의 경우 측정프로브는 프레임(11)과 측정판(12)으로 구성된다.The measuring probe 10 is exposed to a place where wind is blown for measuring wind speed and wind direction, and is properly deformed by wind pressure. In this embodiment, the measuring probe includes a frame 11 and a measuring plate 12.

프레임(11)은 측정판(12)을 입체적인 형상으로 배치하기 위한 것으로, 이와 같이 측정판을 입체적으로 배치하는 이유는 모든 방향(X축, Y축 및 Z축)에서 불어오는 바람에 의해 측정판이 변형되도록 하기 위함이다. 본 실시예의 경우, 프레임은 아크릴 소재로 이루어지며, 도 1에 도시된 바와 같이 정12면체의 구조를 가진다. 이때, 프레임(11)은 골격(骨格) 형태로 이루어지며, 각 면은 개방된 형태로 구성된다. The frame 11 is for arranging the measuring plate 12 in a three-dimensional shape. The reason for arranging the measuring plate three-dimensionally is that the measuring plate is caused by wind blowing in all directions (X, Y, and Z axes). To deform. In the present embodiment, the frame is made of acrylic material, as shown in Figure 1 has a structure of a dodecahedron. At this time, the frame 11 is made of a skeleton shape, each side is configured in an open form.

측정판(12)은 풍속 및 풍향의 측정을 위해, 풍압에 의해 변형되는 것이다. 풍압을 정확하게 측정하기 위해서는 풍압에 의해 측정판이 잘 변형되어야 하므로, 측정판(12)은 박판(薄板), 즉 얇은 두께는 가지는 판 형태로 이루어진다. 판의 재료로는 풍압에 의해 적절하게 변경 가능한 정도의 강성을 가지며, 탄성을 가지는 소재, 예를 들어 금속 또는 플라스틱 등이 이용될 수 있다. 특히, 본 실시예의 경우에는, 측정판은 0.2mm 두께의 동판으로 구성되며, 정오각형 형태로 이루어져 프레임의 각 면에 결합된다.The measuring plate 12 is deformed by the wind pressure in order to measure the wind speed and the wind direction. In order to accurately measure the wind pressure, the measuring plate must be well deformed by the wind pressure, so that the measuring plate 12 is formed of a thin plate, that is, a plate having a thin thickness. As the material of the plate, a material having a degree of rigidity that can be appropriately changed by wind pressure, and an elastic material, for example, metal or plastic, can be used. In particular, in the present embodiment, the measuring plate is composed of a 0.2mm thick copper plate, is formed in a regular pentagonal shape is coupled to each side of the frame.

측정소자는 측정판의 변형량을 측정하기 위한 것으로, 본 실시예의 경우 측정소자로 스트레인게이지(20)가 이용된다. 스트레인게이지는 변형률에 따라 그 저항이 변화하는 공지의 구성이다. 스트레인게이지(20)는 복수로 구비되며, 각 측정판(12)의 중앙 부분에 하나씩 부착된다. 이때, 도 1에서는 스트레인게이지가 측정판의 바깥쪽 면에 부착되는 것으로 표시되어 있으나, 실제로는 측정판의 안쪽면에 부착될 수 있다. 이와 같이, 스트레인게이지를 측정판의 중앙 부분에 부착하는 것은, 측정판의 중앙부분에서 변형이 최대로 일어나기 때문이며, 보다 더 정확하게 측정판의 변형을 측정하기 위해서는 하나의 측정판에 복수의 스트레인게이지를 부착할 수도 있다. 각 스트레인게이지는 측정판의 변형시 측정판과 함께 변형되며, 이에 따라 각 스트레인게이지의 저항이 변화하게 된다. The measuring element is for measuring the deformation amount of the measuring plate. In the present embodiment, the strain gauge 20 is used as the measuring element. Strain gauge is a well-known structure whose resistance changes with a strain rate. The strain gauge 20 is provided in plurality, and is attached to the center portion of each measuring plate 12 one by one. In this case, although the strain gauge is shown to be attached to the outer surface of the measuring plate in Figure 1, it can actually be attached to the inner surface of the measuring plate. In this way, the strain gauge is attached to the center part of the measuring plate because the deformation occurs at the center part of the measuring plate to the maximum, and in order to measure the deformation of the measuring plate more accurately, a plurality of strain gauges can be attached to one measuring plate. It can also be attached. Each strain gauge is deformed together with the measuring plate when the measuring plate is deformed, thereby changing the resistance of each strain gauge.

제어부는 각 스트레인게이지(20)의 저항 변화를 토대로 하여 풍향 및 풍속을 산출한다. 즉, 제어부는 각 스트레인게이지(20)의 저항이 변화된 데이터를 입력받으며, 이 데이터에 따라서 각 스트레인게이지가 부착되어 있는 측정판(12)의 변형량을 계산하고, 각 측정판(12)의 변형량에 따라 측정판에 인가된 풍압을 계산한다. 그리고, 각 측정판(12)에 인가된 풍압을 기초로 하여, 각 측정판(12)으로 불어온 바람의 풍속을 계산하고 이를 벡터화 한다(이때, 벡터의 방향은 각 측정판의 법선 방향이다). 그리고, 이와 같이 구하여진 모든 벡터를 합하면, 바람의 풍속 및 풍향을 나타내는 벡터가 산출되게 된다.The control unit calculates the wind direction and the wind speed on the basis of the resistance change of each strain gauge 20. That is, the control unit receives data in which the resistance of each strain gauge 20 is changed, and calculates the deformation amount of the measurement plate 12 to which each strain gauge is attached according to the data, and calculates the deformation amount of each measurement plate 12. Calculate the wind pressure applied to the measuring plate accordingly. Then, based on the wind pressure applied to each measuring plate 12, the wind speed of the wind blown into each measuring plate 12 is calculated and vectorized (where the direction of the vector is the normal direction of each measuring plate). . The sum of all the vectors thus obtained yields a vector representing the wind speed and the wind direction.

디스플레이부는 제어부에서 산출된 풍속 및 풍향 데이터를 입력받으며, 이를 화면으로 출력한다. 특히, 본 실시예의 경우에는 풍향 및 풍속을 벡터 형상으로 그래픽화하여 실시간으로 출력한다. The display unit receives the wind speed and wind direction data calculated by the controller, and outputs it to the screen. In particular, in the present embodiment, the wind direction and the wind speed are graphicized in a vector shape and output in real time.

한편, 도 2 및 도 3은 실제로 제작한 풍향풍속계 샘플의 사진이며, 도 4는 풍향풍속계의 디스플레이부 사진이다.2 and 3 are photographs of the wind vane samples actually produced, and FIG. 4 is a photograph of the display unit of the wind vane.

도 2 내지 도 4를 참조하면, 샘플의 제작시에는 측정판을 프레임에 고정하기 위하여 도 2에 도시된 바와 같이 정오각형 형태의 덮개를 아크릴로 제작을 하고, 이 덮개의 중앙부에 구멍을 형성하였다. 그리고, 사각형의 측정판을 나사를 이용하여 덮개에 고정한 후, 이 덮개를 프레임에 결합하였다. 그리고, 각 측정판에 결합된 스트레인게이지는 케이블을 이용하여 제어부와 연결하였다. 그리고, 도 4에 도시된 바와 같이 제어부에서 산출된 풍향 및 풍속은 벡터 형상으로 그래픽화 되어 디스플레이부에 실시간으로 표시된다. Referring to FIGS. 2 to 4, in order to fix the measurement plate to the frame, as illustrated in FIG. 2, a cover of a regular pentagon shape was made of acrylic, and a hole was formed in the center of the cover. . Then, the square measuring plate was fixed to the cover using screws, and then the cover was joined to the frame. And, the strain gauges coupled to each measuring plate were connected to the control unit using a cable. As shown in FIG. 4, the wind direction and the wind speed calculated by the controller are graphically displayed in a vector shape and displayed on the display unit in real time.

상술한 바와 같이, 본 실시예에 따르면 하나의 장치로 풍향 및 풍속을 실시간으로 측정할 수 있다. 또한, 종래의 초음파 풍속계에 비하여 크기도 작고 경제적이므로, 다양한 분야에서 효율적으로 사용할 수 있다.As described above, according to the present embodiment, the wind direction and the wind speed may be measured in real time with one device. In addition, since the size is smaller and more economical than the conventional ultrasonic anemometer, it can be efficiently used in various fields.

한편, 측정소자로 압전필름(piezoelectric film)을 사용할 수 있다. 압전필름은 변형시 전압이 발생하는 공지의 구성이다. 이 압전필름을 측정소자로 이용하면, 측정판의 변형시 압전필름이 함께 변형되면서 변형량에 따른 전압이 출력되고, 제어부는 출력되는 전압을 기초로 하여 풍속을 산출한다. 그리고, 측정소자로 스트레인게이지를 사용하는 경우에는 저항 변화를 측정하기 위해 스트레인게이지에 전원을 인가하여야 하지만, 압전필름을 사용하는 경우에는 전원을 인가할 필요가 없자는 장점이 있다. Meanwhile, a piezoelectric film may be used as the measuring device. Piezoelectric film is a known configuration in which voltage is generated during deformation. When the piezoelectric film is used as a measuring element, the piezoelectric film is deformed together when the measuring plate is deformed, and a voltage according to the deformation amount is output, and the controller calculates the wind speed based on the output voltage. In addition, in the case of using the strain gage as a measuring device, power must be applied to the strain gage in order to measure resistance change. However, in the case of using a piezoelectric film, there is an advantage of not having to apply power.

이상에서 본 발명의 바람직한 실시예에 대해 도시하고 설명하였으나, 본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific preferred embodiments described above, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such changes are within the scope of the claims.

예를 들어, 본 실시예에서는 측정프로브를 정12면체 형상으로 형성하였으나, 측정프로브를 구 형상으로 형성할 수도 있다. 이 경우, 측정판 자체를 구 형상으로 제작하는 과정이 다소 복잡해지지만, 모든 방향에 대하여 대칭을 이루게 되므로, 풍향 및 풍속을 보다 더 정확하게 측정할 수 있을 것이다.For example, in the present embodiment, the measurement probe is formed into a tetrahedron, but the measurement probe may be formed into a spherical shape. In this case, the process of manufacturing the measuring plate itself in a spherical shape is somewhat complicated, but because it is symmetrical in all directions, wind direction and wind speed will be more accurate.

10...측정프로브 11...프레임
12...측정판 20...스트레인게이지10 ... Measure probe 11 ... Frame
12.Measuring plate 20 ... Strain gauge

Claims (4)

풍압에 의해 변형가능하도록 박판(薄板)으로 이루어지며, 입체적인 구조를 가지는 측정프로브;
상기 측정프로브에 결합되며, 풍압에 의한 상기 측정프로브의 변형량을 측정하는 복수의 측정소자; 및
상기 각 측정소자에서 측정된 변형량을 기초로 하여, 풍속 및 풍향을 산출하는 제어부;를 포함하는 것을 특징으로 하는 풍향풍속계.A measurement probe made of a thin plate to be deformable by wind pressure and having a three-dimensional structure;
A plurality of measurement elements coupled to the measurement probes for measuring deformation of the measurement probes due to wind pressure; And
And a controller configured to calculate wind speed and wind direction based on the deformation amount measured by each of the measurement elements. 제1항에 있어서,
상기 측정프로브는 구(球) 또는 정다면체 구조를 가지는 것을 특징으로 하는 풍향풍속계.The method of claim 1,
The measuring probe has a spherical or regular polyhedral structure, characterized in that the wind vane. 제1항에 있어서,
상기 산출된 풍속 및 풍향을 실시간으로 나타내는 디스플레이부;를 더 포함하는 것을 특징으로 하는 풍향풍속계.The method of claim 1,
And a display unit for displaying the calculated wind speed and wind direction in real time. 제1항에 있어서,
상기 측정소자는 스트레인게이지 또는 압전필름인 것을 특징으로 하는 풍향풍속계.The method of claim 1,
The measuring element is a wind gauge, characterized in that the strain gauge or piezoelectric film.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885683A (en) * 2017-03-08 2017-06-23 北京航空航天大学 A kind of hole steady state pressure probe of hemispherical head 12 for measuring 3 D complex flow field
KR20220063779A (en) * 2020-11-09 2022-05-18 한국광기술원 Apparatus for determining the wind speed and direction using FBG sensor

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KR101405853B1 (en) 2013-03-08 2014-06-13 창원대학교 산학협력단 Anemovane using a piezoelectric element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106885683A (en) * 2017-03-08 2017-06-23 北京航空航天大学 A kind of hole steady state pressure probe of hemispherical head 12 for measuring 3 D complex flow field
KR20220063779A (en) * 2020-11-09 2022-05-18 한국광기술원 Apparatus for determining the wind speed and direction using FBG sensor

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