CN107558510B - Oil storage tank pile foundation instability measurement system, method and device - Google Patents
Oil storage tank pile foundation instability measurement system, method and device Download PDFInfo
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- CN107558510B CN107558510B CN201710927796.9A CN201710927796A CN107558510B CN 107558510 B CN107558510 B CN 107558510B CN 201710927796 A CN201710927796 A CN 201710927796A CN 107558510 B CN107558510 B CN 107558510B
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- 238000003860 storage Methods 0.000 title claims abstract description 46
- 238000005259 measurement Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 11
- 239000013307 optical fiber Substances 0.000 claims abstract description 41
- 239000007787 solid Substances 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 238000009826 distribution Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 2
- 230000001687 destabilization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005945 translocation Effects 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses an oil storage tank pile foundation instability measurement system which comprises a light source emitter, a first optical fiber, an optical fiber hub, a second optical fiber, an analyzer and a measurement module, wherein the optical fiber hub is connected with a solid lens through the first optical fiber and is used for collecting optical signals in the solid lens, the second optical fiber is connected with the optical fiber hub and is used for leading out the optical signals in the optical fiber hub to the analyzer, and the analyzer analyzes the recovered optical signals and is used for calculating the inclination angle of an oil storage tank to be measured, and the measurement of the pile foundation inclination angle is realized by adopting a simple structure. The invention also discloses a method and a device for measuring the instability of the pile foundation of the oil storage tank.
Description
Technical Field
The invention relates to the technical field of nondestructive measurement, in particular to a system, a method and a device for measuring pile foundation instability of an oil storage tank.
Background
Level gauges are a common gauge for measuring small angles. In the machine industry and in the manufacture of instruments, for measuring inclination angles with respect to horizontal, flatness and straightness of machine tool-like equipment rails, horizontal and vertical positions of equipment installations, etc. The bubble level is a measuring instrument for checking whether the machine installation surface or the flat plate is horizontal or not and measuring the inclination direction and angle, the appearance is that a frame base is made of high-grade steel materials, after the precision machining, the frame base needs to be flat, the center of the frame base is provided with a glass tube in a longitudinal round curved shape, the left end is additionally provided with a small horizontal glass tube in a transverse direction, ether or alcohol is filled in the tube, and a small bubble is reserved, and the glass tube is always positioned at the highest point in the tube. The glass cylinder is provided with scale marks at two ends of the bubble.
The electronic level meter is used for measuring high-precision machine tools, such as NC lathes, milling machines and cutting machine surfaces, has very high sensitivity, and can measure a measured workpiece only in a certain inclination range if calculated by a scale which can be shifted left and right during measurement.
The level gauge is mainly used for measuring the horizontal position of a large oil-gas tank body in the petroleum and petrochemical industry, and is used for pile foundation instability monitoring and tank body translocation monitoring. In particular, levelness monitoring is very important in the production and operation process of the vertical tank body. The existing level meters are not suitable for the safety operation requirements of storage and transportation production in petroleum and petrochemical industry, the bubble level meters need manual observation, the measurement error is large, the real-time measurement cannot be carried out, and the safety requirements of storage and transportation production cannot be met; the electronic level meter can not meet the explosion-proof requirement, is inconvenient to install and is easy to be interfered by noise.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a pile foundation instability measuring system of an oil storage tank, which can realize measurement of the inclination angle of the pile foundation by adopting a simple structure.
In order to solve the technical problems, the embodiment of the invention provides an oil storage tank pile foundation instability measurement system, which comprises a light source emitter, a first optical fiber, an optical fiber hub, a second optical fiber, an analyzer and a measurement module, wherein the optical fiber hub is connected with a solid lens through the first optical fiber and is used for collecting optical signals in the solid lens, the second optical fiber is connected with the optical fiber hub and is used for leading out the optical signals in the optical fiber hub to the analyzer, and the analyzer is used for analyzing the recovered optical signals and calculating the inclination angle of an oil storage tank to be measured.
As an improvement of the scheme, the light source emitter is fixed under the hollow convex lens, and emits continuous light signals for measuring the instability of the pile foundation of the oil storage tank to be measured.
As an improvement of the above scheme, the second optical fiber is a single-mode optical fiber, and the first optical fiber is formed by a single-mode optical fiber connected with the measurement module.
As an improvement of the scheme, the measuring module comprises a hollow convex lens and a solid lens, wherein the hollow convex lens is internally filled with liquid and is reserved with bubbles; the air bubble always stays at the uppermost end of the hollow convex lens in any case, and the solid lens is fixed directly above the hollow convex lens.
As an improvement of the above-mentioned scheme, each of the hollow convex lenses corresponds to four of the solid lenses.
As an improvement of the above scheme, the hollow convex lenses are hemispherical, and the horizontal projection position of each solid lens is located in a quarter circle of the horizontal projection position of the hollow convex lens.
The embodiment of the invention also provides a measuring method based on the oil storage tank pile foundation instability measuring system, which comprises the following steps:
s1, arranging the measuring module on a tank body of an oil storage tank to be measured;
s2, the light source emitter emits continuous light signals to pass through the hollow convex lens;
s3, forming a concave lens in the hollow convex lens by the bubble, and enabling the light energy distribution received by the solid lens to change according to the optical principle of the lens when the position of the bubble changes;
and S4, the analyzer analyzes the recovered optical signals and is responsible for calculating the inclination angle of the oil storage tank to be detected.
The embodiment of the invention also provides a device for measuring the instability of the pile foundation of the oil storage tank, which comprises the system for measuring the instability of the pile foundation of the oil storage tank.
The system and the method for measuring the pile foundation instability of the oil storage tank have the following beneficial effects:
according to the embodiment of the invention, the bubble is utilized to form the concave lens in the hollow convex lens, the optical flash characteristic of the concave lens is opposite to that of the convex lens, when the light source transmitter transmits a light signal to pass through the hollow convex lens, the inclination angle of the pile foundation of the oil storage tank to be measured is measured according to the principle that the light energy distribution received by the solid lens is changed by the optical principle of the lens according to the change of the position of the bubble, and the device has the advantages of simple structure, and good reliability and strong anti-interference performance are realized by utilizing the refraction, reflection and transmission characteristics of light.
Drawings
FIG. 1 is a schematic structural diagram of a system for measuring pile foundation instability of an oil storage tank;
FIG. 2 is a schematic diagram of a measurement module according to the present invention;
FIG. 3 is a schematic diagram of a measurement module provided by the present invention;
FIG. 4 is a top view of the measurement module provided by the present invention in a horizontal state;
FIG. 5 is a schematic diagram of the measurement module provided by the present invention when not in a horizontal state;
FIG. 6 is a flow chart of the method for measuring pile foundation instability of an oil storage tank provided by the invention;
FIG. 7 is a schematic calculation diagram of the method for measuring pile foundation instability of an oil storage tank;
fig. 8 is a schematic diagram of an oil storage tank pile foundation instability measuring device provided by the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides a pile foundation instability measurement system for an oil storage tank, which comprises a light source transmitter 101, a first optical fiber 7, an optical fiber hub 8, a second optical fiber 9, an analyzer 103 and the measurement module 102, wherein the optical fiber hub 8 is connected with the solid lenses 1, 2, 3 and 4 through the first optical fiber 7 and is responsible for collecting optical signals in the solid lenses 1, 2, 3 and 4, the second optical fiber 9 is connected with the optical fiber hub 8 and is responsible for leading out the optical signals in the optical fiber hub 8 to the analyzer 103, and the analyzer 103 analyzes the recovered optical signals and is responsible for calculating the inclination angle of the oil storage tank to be measured.
Referring to fig. 2 and 3, an embodiment of the present invention provides a measurement module 102 including a hollow convex lens 6 and solid lenses 1, 2, 3 and 4, wherein the hollow convex lens 1 is internally filled with a liquid and retains a bubble 7; the bubbles 7 always stay at the uppermost end of the hollow convex lens 1 in any case, and the solid lenses 1, 2, 3 and 4 are fixed directly above the hollow convex lens 1. The hollow convex lens 1 is hemispherical, and the horizontal projection position of each solid lens 1, 2, 3 or 4 is positioned in a quarter circle of the horizontal projection position of the hollow convex lens 1.
Referring to fig. 4 and 5, when the bubble 7 is at the top of the hollow convex lens 6, the hollow convex lens 6 is in a horizontal state, the bubble 7 forms a concave lens effect inside the hollow convex lens 6, after the incident light 10 passes through the lens 6, if no bubble 7 exists, all light will generate a converging effect on the hollow convex lens 6, if the bubble 7 exists, the bubble 7 spreads the light for transmission, the scattered light 11 spreads the energy of the light, and the converging light 12 converges the light to the focal point of the hollow convex lens 6. The solid lenses 1, 2, 3 and 4 receive the light energy distribution above the hollow convex lens 6, and the analyzer 103 analyzes the light signals received by the solid lenses 1, 2, 3 and 4 and is responsible for calculating the inclination angle of the oil storage tank to be measured.
According to the embodiment of the invention, the bubble 7 is utilized to form the concave lens in the hollow convex lens 1, the optical flash characteristic of the concave lens is opposite to that of the convex lens, when an optical signal 10 passes through the hollow convex lens 1, the inclination angle of the pile foundation of the oil storage tank to be detected is measured according to the principle that the optical energy distribution received by the solid lenses 1, 2, 3 and 4 is changed by the optical principle of the lens according to the change of the position of the bubble 7, and the invention has the advantages of simple structure and realizes the effects of good reliability and strong anti-interference performance by utilizing the refraction, reflection and transmission characteristics of light.
Referring to fig. 6, the embodiment of the invention further provides a measurement method based on the oil storage tank pile foundation instability measurement system, which comprises the following steps:
s1, arranging the measuring module 102 on a tank body of an oil storage tank to be measured;
s2, the light source emitter 101 emits continuous light signals to pass through the hollow convex lens 6;
s3, forming a concave lens in the hollow convex lens 6 by the bubble 7, and changing the light energy distribution received by the solid lenses 1, 2, 3 and 4 according to the optical principle of the lens when the position of the bubble 7 is changed;
and S4, the analyzer 103 analyzes the recovered optical signals and is responsible for calculating the inclination angle of the oil storage tank to be detected.
Referring to fig. 7, the analyzer 103 analyzes the recovered optical signals and is responsible for calculating the inclination angle of the oil tank to be measured, specifically, when the optical energy received by the solid lenses 1, 2, 3 and 4 is respectively E1, E2, E3 and E4, the optical energy of the four lenses forms a triangle structure according to any three, for example, the solid lenses 1, 2 and 3 form a plane triangle A1 as fixed points, the optical energy corresponding to the solid lenses 1, 2 and 3 is respectively E1, E2 and E3, and the E1, E2 and E3 form a triangular pyramid B1 with the plane triangle A1 as a base, and the vertex of the triangular pyramid B1 is F1, and the E1, E2 and E3 can be regarded as the distances from the three points of the solid lenses 1, 2 and 3. In the same way, the solid lenses 2, 3 and 4 determine the apex of the triangular cone B2 as F2 by their corresponding light energy E2, E3 and E4, and the solid lenses 1, 3 and 4 determine the apex of the triangular cone B3 as F3 by their corresponding light energy E1, E3 and E4. And the vertexes F1, F2 and F3 form a triangle C, and the included angle of the normal vector n of the triangle C and the normal vector of the plane formed by the solid lenses 1, 2, 3 and 4 is the inclination angle of the oil storage tank to be detected.
Referring to fig. 8, the schematic diagram of the device for measuring pile foundation instability of an oil storage tank provided by the invention is that solid lenses 1, 2, 3 and 4 in a measuring module 102 are installed in a metal cylinder 15, an optical fiber hub 8 is fixedly led out from an upper cover plate 17 of the cylinder 15, and the optical fiber hub is connected to an analyzer 103 through a single-mode fiber. The solid lenses 1, 2, 3 and 4 and the light source emitter 101 are respectively fixed by a first flange 18 and a second flange 19 in the cylinder 15, and the light source emitter 101 adopts a red light fiber laser, and an optical signal is output to the light emitter 101 through an optical fiber 16. The device for measuring the instability of the pile foundation of the oil storage tank is mounted on the oil storage tank body 24 to be measured by using the bolts 20 and the mounting holes 21 through the fixed base plate 23.
According to the measuring method, the bubble 7 is utilized to form the concave lens in the hollow convex lens 1, the optical flash characteristic of the concave lens is opposite to that of the convex lens, when an optical signal 10 passes through the hollow convex lens 1, according to the change of the position of the bubble 7, the inclination angle of the pile foundation of the oil storage tank to be measured is measured according to the principle that the optical energy distribution received by the solid lenses 1, 2, 3 and 4 is also changed by the optical principle of the lens, and the measuring method has the advantages of simple structure and achieves the effects of good reliability and strong anti-interference performance by utilizing the refraction, reflection and transmission characteristics of light.
While the foregoing is directed to the preferred embodiments of the present invention, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present invention, and such modifications and variations are to be regarded as being within the scope of the invention.
Claims (6)
1. A pile foundation instability measuring system of an oil storage tank is characterized by comprising a light source emitter, a first optical fiber, an optical fiber hub, a second optical fiber, an analyzer and a measuring module, the light source emitter is fixed under the hollow convex lens and emits continuous optical signals for measuring the instability of the pile foundation of the oil storage tank to be measured; the measuring module comprises a hollow convex lens and a solid lens, wherein liquid is injected into the hollow convex lens and bubbles are reserved in the hollow convex lens; the bubbles always stay at the uppermost end of the hollow convex lens in any case, and the solid lens is fixed right above the hollow convex lens; the bubble forms a concave lens in the hollow convex lens, and when the position of the bubble changes, the light energy distribution received by the solid lens changes according to the optical principle of the lens; the optical fiber concentrator is connected with the solid lens through the first optical fiber and is responsible for collecting optical signals in the solid lens, the second optical fiber is connected with the optical fiber concentrator and is responsible for leading out the optical signals in the optical fiber concentrator to the analyzer, and the analyzer analyzes the recovered optical signals and is responsible for calculating the inclination angle of the oil storage tank to be measured.
2. The storage tank pile foundation destabilization measurement system according to claim 1, characterized in that the second optical fiber is a single-mode fiber and the first optical fiber is constituted by a single-mode fiber connected to the measurement module.
3. The system for measuring pile foundation instability of an oil storage tank of claim 1, wherein each of said hollow convex lenses corresponds to four of said solid lenses.
4. The system for measuring pile foundation instability of an oil storage tank of claim 1, wherein said hollow convex lenses are hemispherical, and the horizontal projection position of each of said solid lenses is located within a quarter circle of the horizontal projection position of said hollow convex lenses.
5. A measurement method based on the oil storage tank pile foundation instability measurement system according to any one of claims 1 to 4, comprising the steps of:
s1, arranging the measuring module on a tank body of an oil storage tank to be measured;
s2, the light source emitter emits continuous light signals to pass through the hollow convex lens;
s3, forming a concave lens in the hollow convex lens by the bubble, and changing the light energy distribution received by the solid lens according to the optical principle of the lens when the position of the bubble is changed;
and S4, the analyzer analyzes the recovered optical signals and is responsible for calculating the inclination angle of the oil storage tank to be detected.
6. An oil storage tank pile foundation instability measurement device, characterized by comprising the oil storage tank pile foundation instability measurement system according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927796.9A CN107558510B (en) | 2017-09-30 | 2017-09-30 | Oil storage tank pile foundation instability measurement system, method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710927796.9A CN107558510B (en) | 2017-09-30 | 2017-09-30 | Oil storage tank pile foundation instability measurement system, method and device |
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| CN107558510A CN107558510A (en) | 2018-01-09 |
| CN107558510B true CN107558510B (en) | 2023-12-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60123719A (en) * | 1983-12-08 | 1985-07-02 | Hisao Kato | Slant-angle detecting device |
| CN2567546Y (en) * | 2002-08-23 | 2003-08-20 | 上海衡盛科技有限公司 | Impedance biaxial inclination sensor |
| JP2004012203A (en) * | 2002-06-04 | 2004-01-15 | Nagoya City | Optical inclination angle detecting device |
| TWI262293B (en) * | 2005-05-20 | 2006-09-21 | Sue-Zeng Yang | A tilt angle sensing device with a line-shape light source |
| JP2007046963A (en) * | 2005-08-08 | 2007-02-22 | Matsushita Electric Works Ltd | Level sensor |
| CN105578003A (en) * | 2015-12-17 | 2016-05-11 | 沈阳理工大学 | Multichannel large-visual-angle bionic compound eye imaging detection apparatus |
-
2017
- 2017-09-30 CN CN201710927796.9A patent/CN107558510B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60123719A (en) * | 1983-12-08 | 1985-07-02 | Hisao Kato | Slant-angle detecting device |
| JP2004012203A (en) * | 2002-06-04 | 2004-01-15 | Nagoya City | Optical inclination angle detecting device |
| CN2567546Y (en) * | 2002-08-23 | 2003-08-20 | 上海衡盛科技有限公司 | Impedance biaxial inclination sensor |
| TWI262293B (en) * | 2005-05-20 | 2006-09-21 | Sue-Zeng Yang | A tilt angle sensing device with a line-shape light source |
| JP2007046963A (en) * | 2005-08-08 | 2007-02-22 | Matsushita Electric Works Ltd | Level sensor |
| CN105578003A (en) * | 2015-12-17 | 2016-05-11 | 沈阳理工大学 | Multichannel large-visual-angle bionic compound eye imaging detection apparatus |
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| CN107558510A (en) | 2018-01-09 |
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Effective date of registration: 20231206 Address after: 751100 North side of Daba Power Plant in Qingtongxia City, Wuzhong City, Ningxia Hui Autonomous Region, and west side of Dagu Railway Applicant after: Ningxia Jiabao Petroleum Co.,Ltd. Address before: Room 509, West Block, Dadi Garden, Taibai Road, Luohu District, Shenzhen, Guangdong 518000 Applicant before: BIBIYOU (SHENZHEN) TECHNOLOGY CO.,LTD. |
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