CN212082350U - Optical fiber static level - Google Patents
Optical fiber static level Download PDFInfo
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- CN212082350U CN212082350U CN202020976767.9U CN202020976767U CN212082350U CN 212082350 U CN212082350 U CN 212082350U CN 202020976767 U CN202020976767 U CN 202020976767U CN 212082350 U CN212082350 U CN 212082350U
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Abstract
The utility model discloses an optic fibre hydrostatic level relates to optic fibre class sensor technical field. This optic fibre hydrostatic level, including the sensor fixed plate, the top of sensor fixed plate is fixed with the casing, the inside of casing is close to top edge and is fixed with the ring piece through hexagonal socket firm screw, and the inside of ring piece is fixed with the temperature compensation grating. This fiber hydrostatic level, choose the steel sheet of passing through test calibration several times for use, thickness is 1.0mm, it is 0.010nm/mm (every takes place when 1mm subsides to measure its corresponding settlement volume sensitivity, can change 0.010nm to fiber grating sensor wavelength), the range is 100mm settlement sensor if take place the biggest settlement 100mm time, the fiber grating sensor that corresponds changes 1.0nm, 40 fiber grating settlement sensors just can be connected to the 40nm bandwidth demodulation appearance of single channel, compare original packaging hardware and greatly improved the utilization ratio of demodulation appearance, effectively reduced the monitoring cost.
Description
Technical Field
The utility model relates to an optic fibre class sensor technical field specifically is an optic fibre hydrostatic level.
Background
The fiber bragg grating is used as a large part of a sensor branch, the working performance of the fiber bragg grating is determined by an important mechanical structure packaging principle, the fiber hydrostatic level line packaging device and the material are selected to influence the quantity of sensors which can be carried by a matching system to a large extent, the reasonable packaging can effectively save the cost and improve the monitoring efficiency, otherwise, the unreasonable packaging directly causes the failure of the sensors, the monitoring cost is increased, and the utilization rate of manpower and material resources is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an optic fibre hydrostatic level, in the use, can be reasonable encapsulate the processing to the sensor, the effectual inefficacy that prevents the sensor.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an optic fibre hydrostatic level, includes the sensor fixed plate, the top of sensor fixed plate is fixed with the casing, the inside of casing is close to top edge and has the ring piece through the firm screw fixation of hexagon socket head cap, and the inside of ring piece is fixed with the temperature compensation grating, the bottom of temperature compensation grating is rotated through the bearing and is connected with the circle piece, and the top of circle piece rotates and is connected with fiber grating and steel sheet connector to the bottom of circle piece is fixed with wire rope, wire rope's bottom is fixed with the floater, the bottom of sensor fixed plate is close to the edge and is fixed with four sensor dead levers along the circumferencial direction equidistance, and the top of sensor dead lever extends to the top of sensor fixed plate.
In order to carry out the screw thread cover to the position of sensor fixed screw and establish, conduct the utility model relates to an optic fibre hydrostatic level is preferred, the surface screw thread cover of sensor dead lever is equipped with sensor fixed screw.
In order to install fixedly to the position of sensor connection water pipe, conduct the utility model relates to an optic fibre hydrostatic level is preferred, the bottom center department of sensor fixed plate is fixed with the sensor and connects the water pipe, and the top that the water pipe was connected to the sensor extends to the inside of casing.
In order to communicate two elbow connecting pipes, conduct the utility model relates to an optic fibre hydrostatic level is preferred, one side surface of casing is close to top and bottom edge and all communicates there is the elbow connecting pipe, and communicates through the hose between two elbow connecting pipes.
In order to read the liquid level inside the shell, as the utility model relates to an optic fibre hydrostatic level is preferred, two be provided with the scale on the elbow connecting pipe.
In order to confirm the shape of floater, as the utility model relates to an optic fibre hydrostatic level is preferred, the floater is cylindric.
The utility model provides an optic fibre hydrostatic level. The method has the following beneficial effects:
this fiber hydrostatic level, choose the steel sheet of passing through test calibration several times for use, thickness is 1.0mm, it is 0.010nm/mm to measure its corresponding settlement volume sensitivity (when every takes place 1 mm's settlement, can change 0.010nm to fiber grating sensor wavelength), the measuring range is 100mm settlement sensor if take place the biggest settlement 100mm time, the fiber grating sensor that corresponds changes 1.0nm, 40 fiber grating settlement sensors just can be connected to the 40nm bandwidth demodulation appearance of single channel, compare original packaging hardware and greatly improved the utilization ratio of demodulation appearance, effectively reduced the monitoring cost, this packaging hardware is applicable to the fiber sensor of other categories simultaneously, for example strain sensor, displacement sensor, deviational survey sensor etc., can effectively improve the demodulation appearance utilization ratio, improve the product utilization ratio.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a perspective view of the present invention.
In the figure: 1. a housing; 2. a hexagonal socket stabilizing screw; 3. a sensor fixing screw; 4. temperature compensation grating; 5. the fiber grating and steel sheet connector; 6. an elbow connecting pipe; 7. a sensor fixing plate; 8. a floating ball; 9. a sensor fixing rod; 10. the sensor is connected with the water pipe; 11. a steel cord.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an optic fibre hydrostatic level, including sensor fixed plate 7, the top of sensor fixed plate 7 is fixed with casing 1, the inside of casing 1 is close to top edge and is fixed with the ring piece through hexagonal socket head cap screw 2, and the inside of ring piece is fixed with warm brakeing grating 4, the bottom of warm brakeing grating 4 is rotated through the bearing and is connected with the circle piece, and the top of circle piece is rotated and is connected with fiber grating and steel sheet connector 5, and the bottom of circle piece is fixed with wire rope 11, wire rope 11's bottom is fixed with floater 8, the bottom of sensor fixed plate 7 is close to the edge and is fixed with four sensor dead levers 9 along the circumferencial direction equidistance, and the top of sensor dead lever 9 extends to the top of sensor fixed.
In this embodiment: the position of the shell 1 can be fixed through the sensor fixing plate 7, the position of the circular ring block can be fixed through the hexagonal socket stabilizing screws 2, the position of the temperature compensation grating 4 can be installed and fixed through the circular ring block, the sensitivity and precision influence of temperature on the sedimentation sensor can be eliminated through the temperature compensation grating 4, the reliability of the sensor is improved, the bottom of the temperature compensation grating 4 is rotatably connected with the circular block through a bearing, the position of the steel wire rope 11 and the optical fiber grating and steel sheet connecting body 5 can be fixed through the circular block, the position of the floating ball 8 can be installed and fixed through the steel wire rope 11, the position of the sensor fixing rod 9 can be fixed through the sensor fixing plate 7, the sensor is fixed on the sensor fixing plate 7 through the sensor fixing rod 9 and the sensor fixing screws 3, and the optical fiber grating and steel sheet connecting body 5 is a core device of the sensor, the waterproof device has the properties of not falling off when meeting water and the like, and meanwhile, the whole device is in the IP67 waterproof grade.
Specifically, the outer surface of the sensor fixing rod 9 is threaded with a sensor fixing screw 3.
In this embodiment: the sensor is fixed on the sensor fixing plate 7 by adopting the sensor fixing rod 9 and the sensor fixing screw 3.
Specifically, a sensor connection water pipe 10 is fixed at the bottom center of the sensor fixing plate 7, and the top end of the sensor connection water pipe 10 extends to the inside of the housing 1.
In this embodiment: the sensor connecting water pipe 10 and the sensor are fixedly adhered by metal glue and waterproof glue in the connecting process.
Specifically, the outer surface of one side of the shell 1 is close to the top and the bottom edge and is communicated with the elbow connecting pipes 6, and the two elbow connecting pipes 6 are communicated with each other through the hoses.
In this embodiment: the positions of the two elbow connecting pipes 6 can be fixed through the shell 1, and the two elbow connecting pipes 6 can be communicated through the hose.
Specifically, the two elbow connecting pipes 6 are provided with graduated scales.
In this embodiment: two elbow connecting pipes 6 possess the scale, can read the liquid level height that obtains the casing 1 inside from the outside, conveniently observe debugging, maintenance.
Specifically, the float 8 is cylindrical.
In this embodiment: the floater 8 is cylindric, uses, and the floater 8 of can being convenient for floats.
The utility model discloses in, choose for use the steel sheet of demarcation through test several times, thickness is 1.0mm, measure it and correspond subsides volume sensitivity and be 0.010nm/mm (when every takes place 1 mm's settlement, can change 0.010nm to the fiber grating sensor wavelength), the range is 100mm settlement sensor if take place the biggest settlement 100mm time, the fiber grating sensor who corresponds changes 1.0nm, 40 fiber grating settlement sensor just can be connected to the 40nm bandwidth demodulation appearance of single channel, compare original packaging hardware and greatly improved the utilization ratio of demodulation appearance, the monitoring cost has effectively been reduced, this packaging hardware is applicable to the fiber sensor of other classification simultaneously, strain sensor for example, displacement sensor, deviational survey sensor and so on, can effectively improve the demodulation appearance utilization ratio, improve the product utilization ratio.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An optical fiber hydrostatic level, including sensor fixed plate (7), its characterized in that: the top of sensor fixed plate (7) is fixed with casing (1), the inside of casing (1) is close to top edge and is fixed with the ring piece through hexagonal socket head screw (2) that stabilizes, and the inside of ring piece is fixed with warm brakeing grating (4), the bottom of warm brakeing grating (4) is rotated through the bearing and is connected with the circle piece, and the top of circle piece rotates and is connected with fiber grating and steel sheet connector (5) to the bottom of circle piece is fixed with wire rope (11), the bottom of wire rope (11) is fixed with floater (8), the bottom of sensor fixed plate (7) is close to the edge and is fixed with four sensor dead levers (9) along the circumferencial direction equidistance, and the top of sensor dead lever (9) extends to the top of sensor fixed plate (7).
2. An optical fibre hydrostatic level according to claim 1, in which: the outer surface thread cover of sensor dead lever (9) is equipped with sensor fixed screw (3).
3. An optical fibre hydrostatic level according to claim 1, in which: the bottom center department of sensor fixed plate (7) is fixed with sensor and connects water pipe (10), and the top of sensor connection water pipe (10) extends to the inside of casing (1).
4. An optical fibre hydrostatic level according to claim 1, in which: the outer surface of one side of the shell (1) is close to the top and the bottom edge and is communicated with elbow connecting pipes (6), and the two elbow connecting pipes (6) are communicated with each other through hoses.
5. An optical fibre hydrostatic level according to claim 4, in which: and the two elbow connecting pipes (6) are provided with graduated scales.
6. An optical fibre hydrostatic level according to claim 1, in which: the floating ball (8) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020976767.9U CN212082350U (en) | 2020-06-01 | 2020-06-01 | Optical fiber static level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020976767.9U CN212082350U (en) | 2020-06-01 | 2020-06-01 | Optical fiber static level |
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| Publication Number | Publication Date |
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| CN212082350U true CN212082350U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020976767.9U Active CN212082350U (en) | 2020-06-01 | 2020-06-01 | Optical fiber static level |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457889A (en) * | 2020-06-02 | 2020-07-28 | 中际物联科技（深圳）有限公司 | Method for monitoring subway tunnel settlement through optical fiber static level |
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2020
- 2020-06-01 CN CN202020976767.9U patent/CN212082350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457889A (en) * | 2020-06-02 | 2020-07-28 | 中际物联科技（深圳）有限公司 | Method for monitoring subway tunnel settlement through optical fiber static level |
| CN111457889B (en) * | 2020-06-02 | 2022-07-12 | 中际物联科技（深圳）有限公司 | Method for monitoring subway tunnel settlement through optical fiber static level |
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