KR200462614Y1 - An electric resisting type sensor of fixing structure built in a box - Google Patents

An electric resisting type sensor of fixing structure built in a box Download PDF

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KR200462614Y1
KR200462614Y1 KR2020110001459U KR20110001459U KR200462614Y1 KR 200462614 Y1 KR200462614 Y1 KR 200462614Y1 KR 2020110001459 U KR2020110001459 U KR 2020110001459U KR 20110001459 U KR20110001459 U KR 20110001459U KR 200462614 Y1 KR200462614 Y1 KR 200462614Y1
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box body
box
fixed
sensor
hole
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KR2020110001459U
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Korean (ko)
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KR20120006083U (en
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전진용
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(주)지티씨코퍼레이션
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00—Investigation of foundation soil in situ
    • E02D1/02—Investigation of foundation soil in situ before construction work
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/01—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with resin casing

Abstract


본 고안은 전기저항식 센서를 보호하면서 측정면의 변화를 민감하게 측정할 수 있게 구성한 전기저항식 센서 설치용 측정박스 구조에 관한 것이며, 정면에 개방구가 형성된 금속의 박스체(11)의 하부에 고정부(16)가 형성되어 측정부(1)에 고정되고, 박스체(11)의 저면과 일 측면에 각각 홈부(12)(13)가 형성되며, 박스체(11)의 배면에 홀(11-1)이 형성되고, 박스체(11)의 개방구 둘레에 패킹홈(17)이 형성되어 고무패킹(19)이 삽입되며, 패킹홈(17)의 외측으로 박스체(11) 전면 모서리 부분에 각각 볼트홀(18)이 형성되어 고정볼트(21)로 커버(20)가 고정되는 금속박스(10); 박스체(11)의 내부 바닥면과 일측면에 고정되고, 센서연결선이 금속박스(10)의 홀(11-1)을 통해 외부의 변환기로 연결되는 전기저항식센서(14); 금속박스(10)의 홀(11-1)에 고정되어 센서연결선(30)이 금속박스(10) 외측으로 인출될 때 수밀되도록 고정하는 전선고정부(40);로 구성된 것을 특징으로 한다.
The present invention relates to a measurement box structure for installing an electric resistance sensor configured to sensitively measure the change in the measurement surface while protecting the electric resistance sensor, and is provided in the lower portion of the metal box body 11 having an opening formed in the front. The fixing part 16 is formed and fixed to the measuring part 1, and grooves 12 and 13 are formed on the bottom and one side of the box body 11, respectively, and a hole () is formed on the back of the box body 11. 11-1) is formed, the packing groove 17 is formed around the opening of the box body 11, the rubber packing 19 is inserted, the front edge of the box body 11 to the outside of the packing groove 17 A metal box 10 in which a bolt hole 18 is formed in each part and the cover 20 is fixed to the fixing bolt 21; An electric resistance sensor 14 fixed to the inner bottom surface and one side of the box body 11 and having a sensor connection line connected to an external transducer through the hole 11-1 of the metal box 10; It is fixed to the hole (11-1) of the metal box 10 is fixed to the wire when the sensor connection line 30 is drawn out to the outside of the metal box 10 (40); characterized in that consisting of.

Description

전기저항식 센서 설치용 측정박스 구조 { An electric resisting type sensor of fixing structure built in a box }{An electric resisting type sensor of fixing structure built in a box}

본 고안은 전기저항식 센서 설치용 측정박스 구조에 관한 것으로서, 더욱 상세하게는 전기저항식 센서를 보호하면서 측정면의 변화를 민감하게 측정할 수 있게 구성한 전기저항식 센서 설치용 측정박스 구조에 관한 것이다.
The present invention relates to a measuring box structure for mounting an electrical resistance sensor, and more particularly, to a measuring box structure for mounting an electrical resistance sensor configured to sensitively measure a change in the measuring surface while protecting the electrical resistance sensor.

스트레인게이지는 주로 사용목적, 사용대상, 사용조건 등을 고려하여 선택하게 된다. 사용목적 으로는 크게 변형률의 직접 측정 또는 로드셀(load cell), 압력계(pressure gage), 변위계(extensometer) 등과 같은 변환기(變換機, transducer)가 있을 수 있고, 사용대상과 관련해서 재료의 종류, 대상 물체의 형상 등에 따라 알맞는 스트레인게이지를 선택해야 한다. Strain gauge is mainly selected in consideration of purpose of use, object of use and conditions of use. The purpose of use may be a direct measurement of strain or a transducer such as a load cell, a pressure gage, an extensometer, and the like. The appropriate strain gauge should be selected according to the shape of the object.

사용조건으로 고려할 사항으로는 측정하는 변형률의 크기, 사용시간, 정적(靜的) 또는 동적(動的) 측정인지의 여부, 사용환경(고, 저온 환경, 전자기장(電磁氣場) 등) 등이다.  The conditions to consider are the size of the strain to be measured, the time of use, whether it is a static or dynamic measurement, and the operating environment (high, low temperature, electromagnetic field, etc.). .

근래에는 스트레인게이지 제조회사에서 용도(用途) 별로 적합한 스트레인게이지를 다양하게 제조하여 시판하고 있으므로, 제품 안내서 등을 참고로 하면, 특별한 전문적 지식이 없는 상태에서도 비교적 쉽게 선택할 수가 있다. In recent years, strain gage manufacturers manufacture and market a variety of strain gages suitable for each purpose, and thus, referring to the product guide, it is relatively easy to select even without special expertise.

스트레인게이지를 선택할 때, 비교적 사용자의 선택 폭이 넓은 것이 스트레인게이지의 게이지 길이(크기)와 게이지 저항(抵抗)이다.When selecting strain gages, relatively wide choices are made by the gauge length (size) and gauge resistance of the strain gage.

복합재료나 콘크리트와 같이 균질(均質)하지 않은 재료의 평균적인 변형률을 측정하여, 그 값을 대표치 등으로 사용하는 경우에는, 재료의 비균질성(非均質性)을 나타내는 특성 치수보다 훨씬 큰 게이지를 사용할 필요가 있다. When measuring the average strain of a non-homogeneous material such as composite or concrete, and using the value as a representative value, a gauge much larger than the characteristic dimension showing the inhomogeneity of the material should be used. Need to use

계측기를 작동원리에 따라 크게 분류하면 기계적인 방법과 전기적인 방법으로 나눌 수 있다. 기계적인 방법은 물리적 변화량을 직접 계측하거나 유압 혹은 공기압을 이용하여 계측하는 방법이며 비교적 장치가 간단하고 가격이 저렴하지만 수동계측을 해야 하므로 계측 빈도가 적고 측점수가 적으며 계측기간이 짧은 경우 유리하다.The instruments can be divided into two categories, mechanical and electrical, according to their principles of operation. The mechanical method is a method of measuring physical changes directly or using hydraulic pressure or pneumatic pressure. The method is relatively simple and inexpensive, but it is advantageous when the measurement is low, the number of points is short, and the measurement period is short. .

전기적인 방법은 물리적 변화량을 전기적 변화량으로 변환하여 계측하는 방법으로서 응용분야가 넓고 원격계측이 가능하며 자동화하기가 용이하므로 작업환경이 열악하거나 계측빈도가 높고 측점수가 많은 경우 유리하다.The electrical method is a method of converting a physical change amount into an electric change amount and measuring it. It is advantageous when the work environment is poor, the measurement frequency is high, and the number of points is large because the application area is wide, the remote measurement is possible, and the automation is easy.

또한 최근에는 빛을 매개로 하여 그 세기, 위상, 편광, 파장 등을 이용한 광섬유 센서가 각광받고 있다.Recently, optical fiber sensors using the intensity, phase, polarization, wavelength, and the like through the light have been spotlighted.

그리고 또 다른 센서로 진동현식 센서가 있는데, 진동현식 센서는 두개의 블록사이를 인장된 강선으로 연결하여 측정대상물의 표면에 설치하거나 내부에 매설한다. 측정대상물에 변형이 발생하면 두 개의 블록이 서로 변위를 일으켜 강선의 인장력이 달라지며 강선 옆에 설치된 전기코일로 가선을 진동시켜 자기장(Magnetic Field)에 변화를 주면 교류전압이 발생한다. 이렇게 출력된 전압의 진동수는 강선의 공진 진동수와 같으며 케이블을 통해 적절한 진동수 측정장치에 전달된다. 여기서 측정된 진동수의 변화로부터 변형율을 계산하기 위해서는 보정곡선이 필요하다.In addition, another sensor is a vibration expression sensor, which is connected to two blocks by a tensioned steel wire and installed on the surface of the measurement object or embedded therein. When deformation occurs in the measurement object, the two blocks are displaced from each other to change the tensile force of the steel wire, and the alternating voltage is generated by changing the magnetic field by vibrating the wire with an electric coil installed next to the steel wire. The frequency of the output voltage is equal to the resonant frequency of the steel wire and is transmitted to the appropriate frequency measuring device through the cable. In order to calculate the strain from the change in the measured frequency, a correction curve is required.

진동현식 변환기의 주요 장점중 하나는 전압 대신 진동수를 출력신호로 사용한다는 것으로 진동수는 케이블의 저항변화 또는 지반과의 접촉저항, 누전 등의 영향을 받지 않는다. 그러나 상대적으로 값이 비싸고 출력이 비선형이며 동적 변형을 측정하는 데는 부적당하다. One of the main advantages of the vibration expression converter is that the frequency is used as the output signal instead of the voltage. The frequency is not affected by the change in the resistance of the cable, the contact resistance with the ground, or the ground fault. However, they are relatively expensive, the output is nonlinear, and inadequate for measuring dynamic strain.

따라서 현재에는 값이 싼 전기저항식 센서를 많이 사용하고 있으나, 이러한 전기저항식 센서의 경우에는 전기를 이용하기 때문에 물이 들어가면 작동이 안되고, 노이즈에 민감한 문제가 있다.Therefore, a lot of low-cost electrical resistance sensor is currently used, but such electrical resistance sensor does not operate when water enters because it uses electricity, and there is a problem sensitive to noise.

전기저항식 스트레인 게이지인 경우 전기저항이 스트레인 게이지의 길이변화에 비례하여 변하며 저항변화 R과 길이변화 △L의 관계를 변환시켜 변위값을 측정하게 되는데 이러한 전기저항식 센서로 사용되는 계측기는 스트레인메타, 하중계, 장력계, 수압계, 토압계, 경사계, 변위계, 토오크계, 가속도계, 균열계, 온도계 등이 있다.In the case of an electric resistance strain gauge, the electric resistance changes in proportion to the change in the length of the strain gauge, and the displacement value is measured by converting the relationship between the resistance change R and the length change ΔL. Load gauge, tension gauge, hydraulic pressure gauge, pressure gauge, inclinometer, displacement gauge, torque gauge, accelerometer, crack gauge and thermometer.

건축구조물이나 토목구조물의 변형을 측정하기 위하여 설치되는 전기저항식 센서는 수분, 노이즈, 기타 요인 등의 외부의 환경에 의하여 측정에 있어 많은 오류를 발생시키게 되는 문제로 인하여 사용이 제한되었고, 정확한 값을 얻기 힘든 점이 있어왔다.Electrical resistance sensors installed to measure the deformation of building structures and civil structures are limited in use due to the problems that cause many errors in measurement due to external environment such as moisture, noise and other factors. It has been difficult to get.

특히 건축구조물이나 토목구조물은 습기나 노이즈에 노출되기 쉬운 환경이므로 전기저항식 센서를 더욱 사용하기 어려운 점이 있었다.
In particular, architectural structures and civil structures are more susceptible to moisture and noise, making it difficult to use electrical resistance sensors.

본 고안은 전술한 문제를 해결하기 위하여 고안한 것으로서, 비교적 가격이 저렴한 전기저항식 센서에서 유발되는 문제를 해결하여 전기저항식 센서가 습기와 노이즈에 노출되지 않도록 구성하고자 하는 목적이 있다.The present invention is devised to solve the above-described problem, and has an object to solve the problem caused by a relatively low-cost electroresistive sensor so that the electroresistive sensor is not exposed to moisture and noise.

그리고 건축구조물이나 토목구조물에 고정하여 전기저항식 센서가 건축구조물이나 토목구조물의 변화에 대한 측정 민감도를 높이수 있게 구성하고자 한다.
And it is fixed to the building structure or civil structure to configure the electric resistance sensor to increase the measurement sensitivity to the change of the building structure or civil structure.

본 고안은 전술한 목적을 달성하기 위하여 정면에 개방구가 형성된 금속의 박스체(11)의 하부에 고정부(16)가 형성되어 측정부(1)에 고정되고, 박스체(11)의 저면과 일 측면에 각각 홈부(12)(13)가 형성되며, 박스체(11)의 배면에 홀(11-1)이 형성되고, 박스체(11)의 개방구 둘레에 패킹홈(17)이 형성되어 고무패킹(19)이 삽입되며, 패킹홈(17)의 외측으로 박스체(11) 전면 모서리 부분에 각각 볼트홀(18)이 형성되어 고정볼트(21)로 커버(20)가 고정되는 금속박스(10); 박스체(11)의 내부 바닥면과 일측면에 고정되고, 센서연결선이 금속박스(10)의 홀(11-1)을 통해 외부의 변환기로 연결되는 전기저항식센서(14); 금속박스(10)의 홀(11-1)에 고정되어 센서연결선(30)이 금속박스(10) 외측으로 인출될 때 수밀되도록 고정하는 전선고정부(40);로 구성된 것을 특징으로 하며, 홈부(12)(13)는 박스체(11)의 저면과 일 측면에 원형 또는 사각형 형상으로 형성되되 저면과 측면을 이루는 벽체를 전체적으로 균일한 깊이로 형성되고, 전선고정부(40)는 박스체(11)의 홀(11-1)에 수밀되도록 고정되는 볼트부(43)의 단부 둘레를 따라 다수의 절개홈으로 이루어진 절개부(42)가 형성되고, 절개부(42)와 볼트부(43)의 내측을 통하여 센서연결선(30)이 금속박스(10)에서 인출되며, 센서연결선(30)에 장착된 압착너트부(43)가 볼트부(43)와 체결되면서 절개부(42)를 눌러 센서연결선(30)을 압착하여 밀폐시키도록 구성된 것을 특징으로 하는 전기저항식 센서 설치용 측정박스 구조를 제공한다.
The present invention is fixed to the measurement unit 1 is formed in the lower portion of the box body 11 of the metal opening is formed in the front in order to achieve the above-mentioned object, the bottom surface of the box body 11 Grooves 12 and 13 are formed on one side of each other, and holes 11-1 are formed on the rear surface of the box body 11, and packing grooves 17 are formed around the opening of the box body 11. The rubber packing 19 is formed, and a bolt hole 18 is formed at each of the front edges of the box body 11 to the outside of the packing groove 17, so that the cover 20 is fixed by the fixing bolt 21. A metal box 10; An electric resistance sensor 14 fixed to the inner bottom surface and one side of the box body 11 and having a sensor connection line connected to an external transducer through the hole 11-1 of the metal box 10; It is fixed to the hole (11-1) of the metal box 10 is fixed to the wire when the sensor connection line 30 is drawn out to the outside of the metal box 10 (40); characterized in that consisting of the groove portion 12 and 13 are formed in a circular or rectangular shape on the bottom and one side of the box 11, the wall forming the bottom and the side is formed with a uniform depth as a whole, the wire fixing part 40 is a box ( A cutout portion 42 formed of a plurality of cutout grooves is formed along an end circumference of the bolt portion 43 that is fixed to the hole 11-1 of 11), and the cutout portion 42 and the bolt portion 43 are formed. The sensor connection line 30 is drawn out from the metal box 10 through the inner side of the sensor box, and the pressing nut part 43 mounted on the sensor connection line 30 is pressed with the bolt part 43 to press the cutout part 42. It provides a measuring box structure for the electrical resistance sensor installation, characterized in that configured to seal the connecting line 30 by crimping.

이상과 같이 본 고안은 견고한 금속박스에 의하여 전기저항식 센서가 외부의 물리적 환경으로부터 보호되고, 금속박스의 내부에 설치된 전기저항식센서가 바닥면과 수직벽면에 각각 설치되어 측정값의 정밀도를 높이는 효과가 있다.As described above, the present invention protects the electric resistance sensor from the external physical environment by the solid metal box, and the electric resistance sensor installed inside the metal box is installed on the floor and vertical wall respectively to increase the accuracy of the measured value. It works.

또한 금속박스의 측정면인 바닥면과 수직의 일측면의 바깥쪽에서 홈부를 형성하여 박스체 두께를 얇게 하여 전기저항식센서 민감도를 높여주는 효과가 있다.In addition, there is an effect of increasing the sensitivity of the electric resistance sensor by forming a groove in the outer side of one side perpendicular to the bottom surface, which is the measurement surface of the metal box, to reduce the thickness of the box body.

금속박스의 후면에 형성된 전선고정부는 전기저항식센서의 센서연결선을 수밀되도록 외부로 인출할 수 있게 하는 효과가 있다.
The wire fixing part formed on the back of the metal box has an effect of allowing the sensor connection wire of the electrical resistance sensor to be drawn out to be watertight.

도 1은 본 고안의 전기저항식 센서 설치용 측정박스 구조를 도시한 단면도.
도 2는 본 고안의 전기저항식 센서 설치용 측정박스 구조를 도시한 분해 사시도.
도 3은 본 고안의 전기저항식 센서 설치용 측정박스 구조의 연결부를 도시한 사시도.1 is a cross-sectional view showing a measurement box structure for installing an electric resistance sensor of the present invention.
Figure 2 is an exploded perspective view showing the structure of the measuring box for the electrical resistance sensor installation of the present invention.
Figure 3 is a perspective view showing the connection portion of the measuring box structure for the electrical resistance sensor installation of the present invention.

이하, 본 고안의 구성 및 작용을 첨부된 도면에 의거하여 좀 더 구체적으로 설명한다. 본 고안을 설명함에 있어서, 본 명세서 및 청구범위에 사용된 용어나 단어는 고안자가 그 자신의 고안을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 고안의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Hereinafter, the structure and operation of the present invention will be described in more detail with reference to the accompanying drawings. In describing the present invention, the terminology or words used in the present specification and claims are based on the principle that the inventor can properly define the concept of the term in order to best explain his or her design in the best way. It should be interpreted as meanings and concepts corresponding to the technical idea of

본 발명은 건축구조물이나 토목구조물과 같은 측정부(1)에 전기저항식 센서(14)를 설치할 때, 습기나 노이즈에 약한 전기저항식 센서를 보호하기 위한 구조로서, 전기저항식 센서(14)를 금속박스(10)의 내부에 한쌍 설치하되 금속박스(10)의 바닥면과 일 측벽에 설치하여 측정값의 정밀도를 높이도록 한다.The present invention provides a structure for protecting the electrical resistance sensor that is weak against moisture or noise when the electrical resistance sensor 14 is installed in the measuring unit 1 such as a building structure or a civil structure. To install a pair in the interior of the metal box 10 but to the bottom surface and one side wall of the metal box 10 to increase the precision of the measured value.

본 발명은 건축구조물이나 토목구조물의 숏크리트에 설치하여 변위를 측정할때 유용하다. The present invention is useful for measuring displacement by installing on shotcrete of building structures or civil structures.

금속박스(10)는 정면에 개방구가 형성된 금속의 박스체(11) 하부에 고정부(16)가 형성되어 건축구조물이나 토목구조물과 같은 측정부(1)에 볼트 등으로 고정되고, 전기저항센서(14)의 민감도를 높이기 위해 박스체(11)의 저면과 일 측면에 각각 홈부(12)(13)가 형성된다. The metal box 10 is fixed to the bottom of the metal box body 11 having an opening formed in the front of the fixing part 16 is fixed to the measuring unit 1, such as a building structure or civil engineering structure by a bolt or the like, the electrical resistance In order to increase the sensitivity of the sensor 14, grooves 12 and 13 are formed on the bottom and one side of the box body 11, respectively.

박스체(11)의 배면에는 홀(11-1)이 형성되고, 홀(11-1)을 통하여 전기저항식 센서(14)의 센서연결선이 변환기와 연결되도록 인출된다.A hole 11-1 is formed on the rear surface of the box body 11, and the sensor connection line of the electrical resistance sensor 14 is drawn out so as to be connected to the transducer through the hole 11-1.

그리고 금속박스(10)의 박스체(11)의 전면에 형성된 개방구 둘레에 패킹홈(17)이 형성되어 고무패킹(19)이 삽입되고, 패킹홈(17)의 외측으로 박스체(11) 전면 모서리 부분에 각각 볼트홀(18)이 형성되어 고정볼트(21)로 커버(20)가 수밀되도록 고정된다.In addition, a packing groove 17 is formed around the opening formed on the front surface of the box body 11 of the metal box 10 so that the rubber packing 19 is inserted into the box body 11 to the outside of the packing groove 17. Bolt holes 18 are formed in the front corners, respectively, so that the cover 20 is watertightly fixed with the fixing bolts 21.

전기저항식센서(14)는 박스체(11)의 내부 바닥면과 박스체(11)의 일 측벽의 내측면에 고정되고, 센서연결선이 금속박스(10)의 홀(11-1)을 통해 외부의 변환기로 연결된다. 이때 금속박스(11)의 바닥면에만 설치되지 않고, 수평 수직 두면의 저항변화를 측정하게 설치하므로서 더욱 정밀한 측정이 되도록 한다.The electrical resistance sensor 14 is fixed to an inner bottom surface of the box body 11 and an inner surface of one side wall of the box body 11, and a sensor connection line is provided through the hole 11-1 of the metal box 10. It is connected to an external transducer. At this time, it is not installed only on the bottom surface of the metal box 11, it is installed to measure the resistance change of the horizontal and vertical two sides to be more precise measurement.

이때 전기저항식센서(14)는 저항판(14-1)과 센서부(14-2)로 이루어지는데, 센서부(14-2)는 박스체(11)의 내부 바닥면과 일측벽의 내측면의 중앙에 설치되어 변-형량을 측정한다.At this time, the electric resistance sensor 14 is composed of a resistance plate 14-1 and a sensor unit 14-2, the sensor unit 14-2 is the inner bottom surface of the box body 11 and the inside of one side wall. It is installed at the center of the side to measure the strain.

전기저항식센서(14)의 저항판(14-1)과 센서부(14-2)의 표면은 에폭시가 도포되어 경화된 에폭시코팅(15)이 되어 습기로부터 완전히 보호된다.The surface of the resistance plate 14-1 and the sensor unit 14-2 of the electric resistance sensor 14 becomes an epoxy coating 15 which is hardened by epoxy coating and is completely protected from moisture.

그리고 금속박스(10)의 홀(11-1)에 전선고정부(40)가 고정되어 센서연결선(30)이 금속박스(10) 외측으로 인출될 때 수밀되도록 고정한다.The wire fixing part 40 is fixed to the hole 11-1 of the metal box 10 so that the sensor connection line 30 is watertight when the sensor connection line 30 is drawn out of the metal box 10.

전선고정부(40)는 박스체(11)의 홀(11-1)에 수밀되도록 볼트부(43)가 고정되고, 볼트부(43)의 단부 둘레를 따라 다수의 절개홈으로 이루어진 절개부(42)가 형성된다. 절개부(42)와 볼트부(43)의 내측을 통하여 센서연결선(30)이 금속박스(10)에서 인출되고, 센서연결선(30)에 장착된 압착너트부(43)가 볼트부(43)와 체결되면서 절개부(42)를 눌러 센서연결선(30)을 압착하여 밀폐시키도록 구성된다.The wire fixing part 40 is a bolt portion 43 is fixed to the water-tight hole (11-1) of the box body 11, the cutting portion consisting of a plurality of cut grooves along the periphery of the end of the bolt portion 43 ( 42) is formed. The sensor connection line 30 is drawn out from the metal box 10 through the cutout 42 and the bolt portion 43, and the crimping nut portion 43 mounted on the sensor connection line 30 is the bolt portion 43. Compression with the incision 42 is configured to compress the sensor connection line 30 by pressing.

전술한 금속박스(10)의 홈부(12)(13)는 박스체(11)의 저면과 일 측면에 원형 또는 사각형 형상으로 형성되되 저면과 측면을 이루는 벽체를 전체적으로 균일한 깊이로 형성된다. 따라서 전기저항식센서(14)가 측정하는 면의 두께가 얇아지므로 측정부의 변형에 따른 변형정도를 전기저항식센서(14)가 더욱 잘 감지하게 된다.
The grooves 12 and 13 of the metal box 10 are formed in a circular or rectangular shape on the bottom and one side of the box body 11, and the walls forming the bottom and side are formed at a uniform depth as a whole. Therefore, since the thickness of the surface measured by the electric resistance sensor 14 becomes thinner, the electric resistance sensor 14 detects the deformation degree according to the deformation of the measuring unit.

1 : 측정부 10 : 금속박스
11 : 박스체 11-1 : 홀
12, 13 : 홈부 14 : 전기저항센서
14-1 : 저항판 14-2 : 센서부
15 : 에폭시코팅 16 : 고정부
17 : 패킹홈 18 : 볼트홀
19 : 고무패킹 20 : 커버
21 : 고정볼트 30 : 센서연결선
40 : 전선고정부 41 : 볼트부
42 : 절개부 43 : 압착너트부1: measuring unit 10: metal box
11: box body 11-1: hole
12, 13 groove 14 electric resistance sensor
14-1: resistor plate 14-2: sensor unit
15: epoxy coating 16: fixed part
17: packing groove 18: bolt hole
19: rubber packing 20: cover
21: fixing bolt 30: sensor connection wire
40: front fixing part 41: bolt part
42: incision 43: crimping nut

Claims (3)

정면에 개방구가 형성된 금속의 박스체(11)의 하부에 고정부(16)가 형성되어 측정부(1)에 고정되고, 박스체(11)의 저면과 일 측면에 각각 홈부(12)(13)가 형성되며, 박스체(11)의 배면에 홀(11-1)이 형성되고, 박스체(11)의 개방구 둘레에 패킹홈(17)이 형성되어 고무패킹(19)이 삽입되며, 패킹홈(17)의 외측으로 박스체(11) 전면 모서리 부분에 각각 볼트홀(18)이 형성되어 고정볼트(21)로 커버(20)가 고정되는 금속박스(10);
박스체(11)의 내부 바닥면과 일측면에 각각 고정되고, 센서연결선이 금속박스(10)의 홀(11-1)을 통해 외부의 변환기로 연결되는 전기저항식센서(14);
금속박스(10)의 홀(11-1)에 고정되어 센서연결선(30)이 금속박스(10) 외측으로 인출될 때 수밀되도록 고정하는 전선고정부(40);로 구성된 것을 특징으로 하는 전기저항식 센서 설치용 측정박스 구조.
The fixing part 16 is formed in the lower part of the metal box body 11 in which the opening was formed in the front, and is fixed to the measuring part 1, and the groove part 12 (on the bottom and one side of the box body 11, respectively) 13 is formed, the hole 11-1 is formed on the rear surface of the box body 11, the packing groove 17 is formed around the opening of the box body 11, the rubber packing 19 is inserted A metal box 10 having a bolt hole 18 formed at the front edge portion of the box body 11 to the outside of the packing groove 17 to fix the cover 20 to the fixing bolt 21;
An electric resistance sensor 14 fixed to the inner bottom surface and one side of the box body 11 and connected to an external transducer through a hole 11-1 of the metal box 10;
Electrical resistance is fixed to the hole (11-1) of the metal box 10 is fixed to be fixed so that when the sensor connection line 30 is drawn out to the outside of the metal box 10; Measuring box structure for sensor type installation.
제 1 항에 있어서,
홈부(12)(13)는 박스체(11)의 저면과 일 측면에 원형 또는 사각형 형상으로 형성되되 저면과 측면을 이루는 벽체를 전체적으로 균일한 깊이로 형성되는 것을 특징으로 하는 전기저항식 센서 설치용 측정박스 구조.
The method of claim 1,
The grooves 12 and 13 are formed in a circular or quadrangular shape on the bottom and one side of the box body 11, but the wall for forming the bottom and sides is formed with a uniform depth as a whole. Box structure.
제 1 항에 있어서,
전선고정부(40)는 박스체(11)의 홀(11-1)에 수밀되도록 고정되는 볼트부(43)의 단부 둘레를 따라 다수의 절개홈으로 이루어진 절개부(42)가 형성되고, 절개부(42)와 볼트부(43)의 내측을 통하여 센서연결선(30)이 금속박스(10)에서 인출되며, 센서연결선(30)에 장착된 압착너트부(43)가 볼트부(43)와 체결되면서 절개부(42)를 눌러 센서연결선(30)을 압착하여 밀폐시키도록 구성된 것을 특징으로 하는 전기저항식 센서 설치용 측정박스 구조.
The method of claim 1,
The wire fixing part 40 is formed with a cutout portion 42 formed of a plurality of cutout grooves along the periphery of the end of the bolt portion 43 that is fixed to the hole 11-1 of the box body 11. The sensor connection line 30 is drawn out of the metal box 10 through the inside of the unit 42 and the bolt portion 43, and the crimping nut portion 43 mounted on the sensor connection line 30 is connected to the bolt portion 43. The measurement box structure for the electrical resistance sensor installation, characterized in that configured to press the incision 42 while pressing the sensor connecting line 30 to be closed.
KR2020110001459U 2011-02-22 2011-02-22 An electric resisting type sensor of fixing structure built in a box KR200462614Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160134847A (en) * 2014-03-24 2016-11-23 피닉스 컨택트 게엠베하 ＆ 컴퍼니 카게 Housing, in particular an industrial housing

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* Cited by examiner, † Cited by third party
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KR102501687B1 (en) * 2022-08-16 2023-02-21 주식회사 엘파워 Cable insert device for switchgear, distribution panel, connection panel, and control panel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200374752Y1 (en) 2004-11-18 2005-02-04 도남시스템주식회사 Fiber bragg grating sensor for measuring strain
KR200379334Y1 (en) 2003-10-08 2005-03-17 신호균 Watertight apparatus for wire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200379334Y1 (en) 2003-10-08 2005-03-17 신호균 Watertight apparatus for wire
KR200374752Y1 (en) 2004-11-18 2005-02-04 도남시스템주식회사 Fiber bragg grating sensor for measuring strain

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160134847A (en) * 2014-03-24 2016-11-23 피닉스 컨택트 게엠베하 ＆ 컴퍼니 카게 Housing, in particular an industrial housing
US9935432B2 (en) 2014-03-24 2018-04-03 Phoenix Contact Gmbh & Co. Kg Housing, in particular an industrial housing
KR102092443B1 (en) * 2014-03-24 2020-03-23 피닉스 컨택트 게엠베하 ＆ 컴퍼니 카게 Housing, in particular an industrial housing

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