CN110174080B - Angle detection device - Google Patents
Angle detection device Download PDFInfo
- Publication number
- CN110174080B CN110174080B CN201910566854.9A CN201910566854A CN110174080B CN 110174080 B CN110174080 B CN 110174080B CN 201910566854 A CN201910566854 A CN 201910566854A CN 110174080 B CN110174080 B CN 110174080B
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- damping
- contact assembly
- assembly
- magnetic pole
- angle
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention relates to an angle detection device, which comprises a first contact assembly and a second contact assembly, wherein the first contact assembly is movably connected with the second contact assembly through a first pivot, the first contact assembly is movably connected with a first damping assembly through a second pivot, the second contact assembly is movably connected with a second damping assembly through a third pivot, and the first damping assembly is movably connected with the second damping assembly through a damping piece connecting shaft; after the optical fiber passes through the first contact assembly, the optical fiber passes through the second contact assembly after being bent in an arc shape, and the arc center of the bent optical fiber arc is positioned at the first pivot; the angle detection device detects a change in angle by a change in the bending angle of the optical fiber, and detects the transmittance and propagation mode of light by changing the transmittance and propagation mode of light when the angle is changed.
Description
Technical Field
The invention relates to the technical field of angle measurement, in particular to an angle detection device.
Background
In daily life and industrial construction, people often need to use an angle measuring instrument to measure the angle of a certain object. No matter in machining, or outdoor building site, all can use angle measurement appearance, but the angle measurement appearance structure of slope is very simple to be exclusively used in at present, and the measuring result is also inaccurate.
The existing angle measuring instrument generally comprises a lower guiding rule, an upper guiding rule and an angle indicating device, wherein one end of the upper guiding rule is pivoted with one end of the lower guiding rule, an angle scale of the angle indicating device is fixedly connected with the lower guiding rule, when the angle measuring instrument is used, reading is carried out after the lower guiding rule and the upper guiding rule are respectively fixed by two hands, the measuring instrument is folded after the reading is finished, and then data is recorded; in the process, if the data are forgotten or wrongly recorded, the measurement needs to be carried out again, time is wasted, and the upper guiding rule and the lower guiding rule are manually fixed, so that measurement errors easily occur, even wrong angle data are recorded, and the angle data are not easy to perceive.
Disclosure of Invention
The invention aims to provide an angle detection device, which comprises a first contact assembly and a second contact assembly, wherein the first contact assembly and the second contact assembly are movably connected through a first pivot, the first contact assembly is movably connected with a first damping assembly through a second pivot, the second contact assembly is movably connected with a second damping assembly through a third pivot, and the first damping assembly and the second damping assembly are movably connected through a damping piece connecting shaft; after the optical fiber passes through the first contact assembly, the arc bends and then passes through the second contact assembly, and the arc center of the bent optical fiber arc is positioned at the first pivot.
The first contact assembly and the second contact assembly are arranged in an axisymmetric manner.
The first damping component and the second damping component are arranged in an axisymmetric manner.
The first damping assembly comprises a shell, a fixed magnetic pole and a movable magnetic pole are arranged in the shell, the polarity of the fixed magnetic pole is opposite to that of the movable magnetic pole, the movable magnetic pole is fixedly connected with one end of a first damping rod, and the other end of the first damping rod extends out of the shell and is movably connected with a damping piece connecting shaft; the first damping component and the second damping component have the same structure.
And damping oil is filled in the first damping assembly and the second damping assembly.
The movable magnetic pole is positioned above the fixed magnetic pole, the first damping rod is positioned above the movable magnetic pole, and one end of the first damping rod is fixedly connected with the center of the movable magnetic pole.
The invention has the beneficial effects that: the angle detection device provided by the invention detects the change of the angle through the change of the bending angle of the optical fiber, when the angle is changed, the bending trend of the optical fiber is changed, so that the refractive index of the optical fiber to light is changed, the light transmissivity and the propagation mode are changed, and the angle detection is realized through the detection of the light transmissivity and the propagation mode.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an angle detection device.
Fig. 2 is a schematic structural view of a damping assembly.
In the figure: 1. a first contact assembly; 2. a second contact assembly; 3. a first pivot; 4. A housing; 5. a first damping assembly; 6. a second damping assembly; 7. a second pivot; 8. a third pivot; 9. a first damping lever; 10. A second damping rod; 11. a damping member connecting shaft; 12. a moving magnetic pole; 13. fixing a magnetic pole; 14. An optical fiber.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.
Example 1
The present embodiment provides an angle detecting apparatus as shown in fig. 1 to 2, which includes a first contact assembly 1 and a second contact assembly 2, where the first contact assembly 1 and the second contact assembly 2 are movably connected by a first pivot 3, and the first contact assembly 1 and the second contact assembly 2 are arranged in an axisymmetric manner, and the symmetry axis is a central line where the first pivot 3 is located; the first contact assembly 1 is movably connected with the first damping assembly 5 through a second pivot 7, the second contact assembly 2 is movably connected with the second damping assembly 6 through a third pivot 8, the first damping assembly 5 and the second damping assembly 6 are arranged in an axisymmetric manner, the symmetry axis is also a center line where the first pivot 3 is located, and the first damping assembly 5 and the second damping assembly 6 have the function of enabling an externally applied force to be moderate and uniformly transmitted to the first contact assembly 1 and the second contact assembly 2; the first damping assembly 5 and the second damping assembly 6 are movably connected through a damping piece connecting shaft 11; after the optical fiber 14 passes through the first contact assembly 1 and is bent in an arc shape, the optical fiber passes through the second contact assembly 2, and the arc center of the bent arc shape of the optical fiber 14 is positioned at the first pivot 3; in this way, the first contact assembly 1 and the second contact assembly are located in different bending angle spaces, so that the optical fiber 14 has different bending angles, when the angle changes, the bending tendency of the optical fiber 14 changes, so that the refractive index of the optical fiber 14 to light changes, the transmittance of light and the propagation mode change, and the detection of the angle is realized through the detection of the transmittance of light and the propagation mode.
Further, as shown in fig. 2, the first damping assembly 5 includes a housing 4, a fixed magnetic pole 13 and a moving magnetic pole 12 are disposed in the housing 4, and the polarities of two opposite surfaces of the fixed magnetic pole 13 and the moving magnetic pole 12 are opposite, for example, if the fixed magnetic pole 13 is set as an S pole, the surface of the moving magnetic pole 12 opposite to the fixed magnetic pole 13 is an N pole, and if the fixed magnetic pole 13 is set as an N pole, the surface of the moving magnetic pole 12 opposite to the fixed magnetic pole 13 is an S pole, which is also possible; the surface of the movable magnetic pole 12 opposite to the fixed magnetic pole 13 is also fixedly connected with one end of a first damping rod 9, and the other end of the first damping rod 9 extends out of the shell 4 and is movably connected with a damping part connecting shaft 11; the first damping assembly 5 is identical in structure to the second damping assembly 6.
Furthermore, damping oil is filled in the first damping assembly 5 and the second damping assembly 6, so that the damping characteristic can be enhanced, the first damping assembly 5 and the second damping assembly 6 cannot have a violent angle change phenomenon, and the protection of the optical fiber 14 is enhanced.
Further, as shown in fig. 2, the moving magnetic pole 12 is located above the fixed magnetic pole 13, the first damping rod 9 is located above the moving magnetic pole 12, and one end of the first damping rod 9 is fixedly connected with the center of the moving magnetic pole 12.
Furthermore, the bent part of the optical fiber 14 is covered by the flexible colloid for protection, so that the phenomenon that the bent part of the optical fiber 14 is bent excessively and cannot be recovered can be ensured.
In practical application, the initial state of the angle detection device is generally a 90 ° state as shown in fig. 1, when angle measurement is performed, the bending angle of the optical fiber 14 is increased or decreased, so that the refractive index of the optical fiber 14 to light changes, which causes changes in the light transmittance and the propagation mode, and angle data can be known by detecting the light transmittance and the propagation mode, thereby completing angle detection, the device has a simple structure, can perform angle detection in real time, has better sensitivity, and is convenient for performing angle detection in a long distance; on the other hand, because the light is used for information transmission, the defects that the existing electronic signal transmission information is used for angle detection, signal loss, attenuation and the like are easy to occur can be overcome.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (5)
1. An angle detection device, characterized in that: the damping device comprises a first contact assembly (1) and a second contact assembly (2), wherein the first contact assembly (1) and the second contact assembly (2) are movably connected through a first pivot (3), the first contact assembly (1) is movably connected with a first damping assembly (5) through a second pivot (7), the second contact assembly (2) is movably connected with a second damping assembly (6) through a third pivot (8), and the first damping assembly (5) is movably connected with the second damping assembly (6) through a damping piece connecting shaft (11); after the optical fiber (14) passes through the first contact assembly (1), the arc is bent and then passes through the second contact assembly (2), and the arc center of the arc bending of the optical fiber (14) is positioned at the first pivot (3); the first damping assembly (5) comprises a shell (4), a fixed magnetic pole (13) and a movable magnetic pole (12) are arranged in the shell (4), the polarity of the fixed magnetic pole (13) is opposite to that of the movable magnetic pole (12), the movable magnetic pole (12) is fixedly connected with one end of a first damping rod (9), and the other end of the first damping rod (9) extends out of the shell (4) and is movably connected with a damping piece connecting shaft (11); the first damping component (5) and the second damping component (6) have the same structure; in the initial state, the angle between the first contact assembly (1) and the second contact assembly (2) is 90 degrees, during angle measurement, the angle between the first contact assembly (1) and the second contact assembly (2) is increased or decreased, and angle data is measured by detecting the light transmittance and the light propagation mode of the optical fiber (14).
2. The angle detecting device according to claim 1, wherein: the first contact assembly (1) and the second contact assembly (2) are arranged in an axisymmetric manner.
3. The angle detecting device according to claim 1, wherein: the first damping component (5) and the second damping component (6) are arranged in an axisymmetric manner.
4. The angle detecting device according to claim 1, wherein: and damping oil is filled in the first damping assembly (5) and the second damping assembly (6).
5. The angle detecting device according to claim 1, wherein: the movable magnetic pole (12) is positioned above the fixed magnetic pole (13), the first damping rod (9) is positioned above the movable magnetic pole (12), and one end of the first damping rod (9) is fixedly connected with the center of the movable magnetic pole (12).
Priority Applications (1)
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CN201910566854.9A CN110174080B (en) | 2019-06-27 | 2019-06-27 | Angle detection device |
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CN201910566854.9A CN110174080B (en) | 2019-06-27 | 2019-06-27 | Angle detection device |
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CN110174080A CN110174080A (en) | 2019-08-27 |
CN110174080B true CN110174080B (en) | 2021-09-28 |
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CN114608438B (en) * | 2022-05-10 | 2022-07-15 | 沈阳铁路信号有限责任公司 | Railway signal clapper type relay armature dog-ear angle testing arrangement |
Citations (7)
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CN87206037U (en) * | 1987-03-31 | 1988-01-06 | 孙志成 | Door shutting device |
JPH1183416A (en) * | 1997-09-08 | 1999-03-26 | Yazaki Corp | Position detecting mechanism for turning unit |
JP2001141406A (en) * | 1999-08-30 | 2001-05-25 | Yoshimasa Morimoto | Adjustable angle jig |
CN2575367Y (en) * | 2002-08-13 | 2003-09-24 | 经玉凤 | Rubber belt type stageless speed changing machine |
CN104154883A (en) * | 2014-07-23 | 2014-11-19 | 中国计量学院 | Inclination angle measuring sensor based on fused biconical taper structure of inclined fiber bragg grating |
CN206330498U (en) * | 2017-01-11 | 2017-07-14 | 姜坤 | A kind of construction supervision measuring scale |
CN206852105U (en) * | 2017-06-06 | 2018-01-09 | 中国计量大学 | A kind of Intelligent glove with FBG braiding digital flexion detection functions |
-
2019
- 2019-06-27 CN CN201910566854.9A patent/CN110174080B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87206037U (en) * | 1987-03-31 | 1988-01-06 | 孙志成 | Door shutting device |
JPH1183416A (en) * | 1997-09-08 | 1999-03-26 | Yazaki Corp | Position detecting mechanism for turning unit |
JP2001141406A (en) * | 1999-08-30 | 2001-05-25 | Yoshimasa Morimoto | Adjustable angle jig |
CN2575367Y (en) * | 2002-08-13 | 2003-09-24 | 经玉凤 | Rubber belt type stageless speed changing machine |
CN104154883A (en) * | 2014-07-23 | 2014-11-19 | 中国计量学院 | Inclination angle measuring sensor based on fused biconical taper structure of inclined fiber bragg grating |
CN206330498U (en) * | 2017-01-11 | 2017-07-14 | 姜坤 | A kind of construction supervision measuring scale |
CN206852105U (en) * | 2017-06-06 | 2018-01-09 | 中国计量大学 | A kind of Intelligent glove with FBG braiding digital flexion detection functions |
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