CN113670404B - Optical fiber sensor signal acquisition and processing device - Google Patents
Optical fiber sensor signal acquisition and processing device Download PDFInfo
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- CN113670404B CN113670404B CN202110797585.4A CN202110797585A CN113670404B CN 113670404 B CN113670404 B CN 113670404B CN 202110797585 A CN202110797585 A CN 202110797585A CN 113670404 B CN113670404 B CN 113670404B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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Abstract
The invention discloses an optical fiber sensor signal acquisition and processing device, which comprises a sensor outer frame, wherein a central processing system, a monitoring system, a measuring and calculating system, an analysis system and an alarm module are arranged in the sensor outer frame, the central processing system is in signal connection with the monitoring system, the monitoring system is in signal connection with the measuring and calculating system, the analysis system and the alarm module are in signal connection, and the signal transmission function of an optical fiber sensor is accelerated through the arrangement of the measuring and calculating system, the analysis system and the alarm module; the sensor outer frame is internally provided with a sealing mechanism and a buffer mechanism. According to the invention, through the cooperation among the central processing system, the monitoring system, the measuring and calculating system, the analysis system and the alarm module, the efficient processing of the optical fiber sensor on the signals is realized, and the time and energy are effectively saved.
Description
Technical Field
The invention relates to the technical field of monitoring of optical fiber sensors of hydraulic engineering, in particular to a signal acquisition and processing device of an optical fiber sensor.
Background
The hydraulic engineering is a built engineering for controlling and preparing surface water and underground water in the nature to achieve the aim of removing harm and benefiting; also known asWater engineeringThe method comprises the steps of carrying out a first treatment on the surface of the Water is an indispensable valuable resource for human production and life, but itNatural natureThe existing state does not fully meet the needs of humans; only when hydraulic engineering is built, the water flow can be controlled, flood disasters are prevented, and the water quantity is regulated and distributed so as to meet the requirements of people's life and productionWater resourceIs required by the system; hydraulic engineering needs to build different types of hydraulic structures such as dams, dykes and the like so as to achieve the aim.
Some rivers are positioned at the edge of a city, some rivers are positioned in urban areas, when flood season comes, embankments on two sides of the river are affected most greatly, and if leakage and dam break occur, disastrous results are brought; the water level of the river needs to be monitored at any time when the flood season comes to prevent the river from exceeding the warning water level, thereby causing disastrous consequences.
The dam is a water retaining building for intercepting the water flow of a river channel so as to raise the water level or regulate the flow; can form a reservoir, raise water level, regulate runoff and concentrate water head, and is used for flood control, water supply, irrigation, hydroelectric generation, shipping improvement and the like.
For monitoring the river water level in the flood season and the water level in the reservoir in the rainy season, the common embankment and the reservoir are monitored, managed and attended by regular inspection, inspection and 24-hour continuous real-time monitoring, the method not only wastes a large amount of manpower resources and increases the labor intensity of workers, but also can not effectively acquire the latest monitoring information of the river in the flood season and the reservoir embankment in real time, and therefore, the optical fiber sensor signal acquisition and processing device is provided.
Disclosure of Invention
The invention aims to solve the defects that the labor intensity of workers is increased and the latest monitoring information of the river and reservoir embankment in the flood season cannot be provided in time in the prior art by using a common monitoring method for the water level of the river in the flood season and the water level in the reservoir in the rainy season.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the optical fiber sensor signal acquisition and processing device comprises a sensor outer frame, wherein a central processing system, a monitoring system, a measuring and calculating system, an analysis system and an alarm module are arranged in the sensor outer frame, the central processing system is in signal connection with the monitoring system, the monitoring system is in signal connection with the measuring and calculating system, the analysis system and the alarm module are in signal connection, and the function of optical fiber sensor signal transmission is accelerated through the arrangement of the measuring and calculating system, the analysis system and the alarm module;
the sensor outer frame is internally provided with a sealing mechanism and a buffer mechanism.
Preferably, the monitoring system comprises a video acquisition module and an image recognition module, the measuring and calculating system comprises a model comparison module, a deep learning module and an optical fiber sensor, and the analysis system comprises a data generation module and a data comparison module.
Preferably, the sealing mechanism comprises a pneumatic tube, a first piston, a second piston and a sealing plate, wherein the sealing plate is fixedly connected with one end of the first piston, the other end of the first piston extends to the inside of the pneumatic tube, the first piston can slide along the inner side wall of the pneumatic tube, the second piston also extends to the inside of the pneumatic tube, and the second piston can also slide along the inner side wall of the pneumatic tube.
Preferably, the inside of sensor frame is provided with can dismantle the buffer frame, the pneumatic tube is for running through and can dismantle the buffer frame setting, the inside wall fixedly connected with fixed bolster of sensor frame, fixed bolster and pneumatic tube's lateral wall fixed connection, the inside of sensor frame still includes stop gear.
Preferably, the buffer mechanism comprises a first bearing seat, a second bearing seat, a sliding rod, a loop bar and a spring, wherein the top end of the sliding rod is fixedly connected with the bottom end of the first bearing seat, the bottom end of the loop bar is fixedly connected with the top end of the second bearing seat, one end of the spring is fixedly connected with the bottom end of the first bearing seat, the other end of the spring is fixedly connected with the top end of the second bearing seat, the loop bar is movably connected with the sliding rod, and the loop bar and the sliding rod are both positioned inside the spring.
Preferably, the inside of sensor frame is provided with the buffer board, the buffer board can be followed the inside wall slip of sensor frame, the bottom of second bear the seat with the inside wall fixed connection of sensor frame, the top of first bear the seat and the bottom fixed connection of buffer board.
Preferably, the stop gear includes spacing rope and stop bolt, stop bolt with the one end fixed connection of spacing rope, the other end of spacing rope and the top fixed connection of detachable buffer frame, spacing hole has been seted up to the sensor frame inside wall, the size of spacing hole is unanimous with stop bolt's size completely.
Preferably, the inside wall fixedly connected with heater of sensor frame, the top of sensor frame is provided with the rotation axis, the lateral wall fixedly connected with frame door of rotation axis, the lateral wall fixedly connected with handle of frame door, the lateral wall of sensor frame is provided with the light-transmitting mirror.
Compared with the prior art, the invention has the beneficial effects that:
1. through the cooperation among the central processing system, the monitoring system, the measuring and calculating system, the analysis system and the alarm module, the efficient processing of the optical fiber sensor on the signals is realized, big data is used as a basis, and time and energy are effectively saved; due to the closely matched effect of the modules, the inspection working time is effectively reduced, the working intensity of workers is reduced, and the safety performance of river levees and dams is enhanced.
2. Through the cooperation of the heater, the air pressure pipe, the first piston, the second piston and the sealing plate, the temperature around the optical fiber sensor can be regulated and controlled due to the arrangement of the heater, so that the optical fiber sensor can work in a low-temperature environment; the heat emitted by the heater is used for extruding the second piston, so that the air pressure in the air pressure pipe is increased, and then the first piston is driven, so that the sealing plate has a sealing effect on the outer frame of the sensor.
3. Through the setting of slide bar, loop bar and spring, realized the stabilization effect to the buffer board, because in practical application, often can carry optical fiber sensor, because the slide bar slides along the loop bar inside wall, the flexible effect of spring is gone up in the cooperation again, has carried out stable assurance to optical fiber sensor, has prolonged its life indirectly.
4. Through the setting of dismantling buffer frame, spacing hole, spacing rope and spacing bolt, realized dismantling the detachably setting of buffer frame, simultaneously, owing to the setting of dismantling buffer frame, reached further buffering effect to fiber sensor, in addition, owing to can dismantle buffer frame has good thermal insulation, avoided the heater to provide thermal loss.
Drawings
FIG. 1 is a schematic diagram of a signal acquisition and processing device for an optical fiber sensor according to the present invention;
FIG. 2 is a schematic front view of a signal acquisition and processing device for an optical fiber sensor according to the present invention;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2;
FIG. 4 is a schematic side view of a signal acquisition and processing device for an optical fiber sensor according to the present invention;
fig. 5 is a schematic block diagram of a signal acquisition and processing device of an optical fiber sensor according to the present invention.
In the figure: 1. a sensor outer frame; 2. a grip; 3. a light-transmitting lens; 4. a limiting hole; 5. a limit rope; 6. a limit bolt; 7. an optical fiber sensor; 8. a buffer plate; 9. a detachable buffer frame; 10. a fixed bracket; 11. an air pressure pipe; 12. a first piston; 13. a sealing plate; 14. a frame door; 15. a rotation shaft; 16. a second piston; 17. a heater; 18. a first bearing seat; 19. a second bearing seat; 20. a slide bar; 21. a loop bar; 22. and (3) a spring.
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.
Referring to fig. 1-5, an optical fiber sensor signal acquisition and processing device comprises a sensor outer frame 1, wherein a central processing system, a monitoring system, a measuring and calculating system, an analysis system and an alarm module are arranged in the sensor outer frame 1, the central processing system is in signal connection with the monitoring system, the monitoring system is in signal connection with the measuring and calculating system, the analysis system is in signal connection with the alarm module, and the signal transmission function of an optical fiber sensor 7 is accelerated through the arrangement of the measuring and calculating system, the analysis system and the alarm module;
the sensor housing 1 is provided with a sealing mechanism and a buffer mechanism inside.
The monitoring system comprises a video acquisition module and an image recognition module, the measuring and calculating system comprises a model comparison module, a deep learning module and an optical fiber sensor 7, and the analysis system comprises a data generation module and a data comparison module; through the cooperation among the central processing system, the monitoring system, the measuring and calculating system, the analysis system and the alarm module, the efficient processing of the optical fiber sensor 7 on signals is realized, big data is used as a basis, and time and energy are effectively saved; due to the closely matched effect of the modules, the inspection working time is effectively reduced, the working intensity of workers is reduced, and the safety performance of the river levee is enhanced.
The sealing mechanism comprises a pneumatic tube 11, a first piston 12, a second piston 16 and a sealing plate 13, wherein the sealing plate 13 is fixedly connected with one end of the first piston 12, the other end of the first piston 12 extends to the inside of the pneumatic tube 11, the first piston 12 can slide along the inner side wall of the pneumatic tube 11, the second piston 16 also extends to the inside of the pneumatic tube 11, and the second piston 16 can also slide along the inner side wall of the pneumatic tube 11.
The inside of sensor frame 1 is provided with can dismantle buffer frame 9, and pneumatic tube 11 is for running through can dismantle buffer frame 9 setting, and the inside wall fixedly connected with fixed bolster 10 of sensor frame 1, fixed bolster 10 and pneumatic tube 11's lateral wall fixed connection, and the inside of sensor frame 1 still includes stop gear.
The buffer mechanism comprises a first bearing seat 18, a second bearing seat 19, a sliding rod 20, a loop rod 21 and a spring 22, wherein the top end of the sliding rod 20 is fixedly connected with the bottom end of the first bearing seat 18, the bottom end of the loop rod 21 is fixedly connected with the top end of the second bearing seat 19, one end of the spring 22 is fixedly connected with the bottom end of the first bearing seat 18, the other end of the spring 22 is fixedly connected with the top end of the second bearing seat 19, the loop rod 21 is movably connected with the sliding rod 20, the loop rod 21 and the sliding rod 20 are both positioned inside the spring 22, the buffer plate 8 is stabilized through the arrangement of the sliding rod 20, the loop rod 21 and the spring 22, and the optical fiber sensor 7 is always conveyed in actual application, and the sliding rod 20 slides along the inner side wall of the loop rod 21 and is matched with the telescopic action of the spring 22, so that the optical fiber sensor 7 is stabilized, and the service life of the buffer plate is indirectly prolonged.
The inside of sensor frame 1 is provided with buffer board 8, and buffer board 8 can slide along the inside wall of sensor frame 1, and the bottom of second bears the inside wall fixed connection of seat 19 and sensor frame 1, the top of first bearing seat 18 and the bottom fixed connection of buffer board 8.
The stop gear includes spacing rope 5 and stop bolt 6, stop bolt 6 and the one end fixed connection of spacing rope 5, the other end of spacing rope 5 and the top fixed connection of dismantling buffer frame 9, spacing hole 4 has been seted up to sensor frame 1 inside wall, the size of spacing hole 4 is unanimous with the size of stop bolt 6 completely, through dismantling buffer frame 9, spacing hole 4, the setting of spacing rope 5 and stop bolt 6, the detachably setting to dismantling buffer frame 9 has been realized, simultaneously, owing to dismantle buffer frame 9's setting, further buffering effect has been reached to fiber sensor 7, in addition, owing to dismantle buffer frame 9 has good thermal insulation, the loss of heater 17 provided heat has been avoided.
The inner side wall of the sensor outer frame 1 is fixedly connected with a heater 17, and the temperature around the optical fiber sensor 7 can be regulated and controlled by the arrangement of the heater 17 through the cooperation among the heater 17, the air pressure pipe 11, the first piston 12, the second piston 16 and the sealing plate 13 so as to adapt to the operation of the optical fiber sensor 7 in a low-temperature environment; the heat emitted by the heater 17 presses the second piston 16, so that the air pressure in the air pressure pipe 11 is increased, and the first piston 12 is driven, so that the sealing plate 13 has a sealing effect on the sensor outer frame 1; the top of the sensor outer frame 1 is provided with a rotating shaft 15, the outer side wall of the rotating shaft 15 is fixedly connected with a frame door 14, the outer side wall of the frame door 14 is fixedly connected with a handle 2, and the outer side wall of the sensor outer frame 1 is provided with a transparent mirror 3.
Working principle:
firstly, a video acquisition module and an image recognition module in a monitoring system acquire and monitor water level information of reservoirs in flood season and in rainy season, collected data are transmitted to a measuring and calculating system, water level height measurement is carried out through a model comparison module and a deep learning module, measured and calculated data are transmitted to an analysis system, after the data are analyzed through a data generation module and a data comparison module, the data exceed an expected water level set before a central processing system, the data are detected through an optical fiber sensor 7, an alarm module is triggered, and then workers are informed of corresponding operations; and the accuracy and the credibility of the flood season water level monitoring data are further improved, and a favorable guarantee is provided for flood control engineering.
In the process of carrying the optical fiber sensor 7, firstly, the detachable buffer frame 9 is installed in the sensor outer frame 1, the limiting rope 5 is pulled, the limiting bolt 6 is inserted into the limiting hole 4, the detachable buffer frame 9 is limited, and then the optical fiber sensor 7 can be carried, and in the carrying process, the buffer plate 8 continuously extrudes the spring 22 and the sliding rod 20, so that a certain buffering effect is achieved.
When the sensor is operated in the environment with lower temperature, the switch of the heater 17 can be turned on, the second piston 16 can slide inwards along the inner side wall of the air pressure pipe 11, and the air pressure in the air pressure pipe 11 is increased, so that the first piston 12 is driven to slide outwards along the inner side wall of the air pressure pipe 11, and the sealing plate 13 is driven to move, so that a sealing effect on the sensor outer frame 1 is achieved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The optical fiber sensor signal acquisition and processing device comprises a sensor outer frame (1), and is characterized in that a central processing system, a monitoring system, a measuring and calculating system, an analysis system and an alarm module are arranged in the sensor outer frame (1), the central processing system is in signal connection with the monitoring system, the monitoring system is in signal connection with the measuring and calculating system, the analysis system is in signal connection with the alarm module, the monitoring system comprises a video acquisition module and an image recognition module, the measuring and calculating system comprises a model comparison module, a deep learning module and an optical fiber sensor (7), and the analysis system comprises a data generation module and a data comparison module; a sealing mechanism and a buffer mechanism are arranged in the sensor outer frame (1); the sealing mechanism comprises a pneumatic tube (11), a first piston (12), a second piston (16) and a sealing plate (13), wherein the sealing plate (13) is fixedly connected with one end of the first piston (12), the other end of the first piston (12) extends to the inside of the pneumatic tube (11), the first piston (12) can slide along the inner side wall of the pneumatic tube (11), the second piston (16) also extends to the inside of the pneumatic tube (11), and the second piston (16) can also slide along the inner side wall of the pneumatic tube (11); the sensor comprises a sensor outer frame (1), wherein a detachable buffer frame (9) is arranged in the sensor outer frame (1), an air pressure pipe (11) is arranged to penetrate through the detachable buffer frame (9), a fixing support (10) is fixedly connected to the inner side wall of the sensor outer frame (1), the fixing support (10) is fixedly connected with the outer side wall of the air pressure pipe (11), and a limiting mechanism is further arranged in the sensor outer frame (1); the buffer mechanism comprises a first bearing seat (18), a second bearing seat (19), a sliding rod (20), a loop bar (21) and a spring (22), wherein the top end of the sliding rod (20) is fixedly connected with the bottom end of the first bearing seat (18), the bottom end of the loop bar (21) is fixedly connected with the top end of the second bearing seat (19), one end of the spring (22) is fixedly connected with the bottom end of the first bearing seat (18), the other end of the spring (22) is fixedly connected with the top end of the second bearing seat (19), the loop bar (21) is movably connected with the sliding rod (20), and the loop bar (21) and the sliding rod (20) are both positioned in the spring (22); the sensor comprises a sensor outer frame (1), wherein a buffer plate (8) is arranged in the sensor outer frame (1), the buffer plate (8) can slide along the inner side wall of the sensor outer frame (1), the bottom end of a second bearing seat (19) is fixedly connected with the inner side wall of the sensor outer frame (1), and the top of a first bearing seat (18) is fixedly connected with the bottom of the buffer plate (8); the limiting mechanism comprises a limiting rope (5) and a limiting bolt (6), wherein the limiting bolt (6) is fixedly connected with one end of the limiting rope (5), the other end of the limiting rope (5) is fixedly connected with the top of the detachable buffer frame (9), a limiting hole (4) is formed in the inner side wall of the outer sensor frame (1), and the size of the limiting hole (4) is completely consistent with that of the limiting bolt (6); the sensor is characterized in that a heater (17) is fixedly connected to the inner side wall of the sensor outer frame (1), a rotating shaft (15) is arranged at the top of the sensor outer frame (1), a frame door (14) is fixedly connected to the outer side wall of the rotating shaft (15), a handle (2) is fixedly connected to the outer side wall of the frame door (14), and a light-transmitting mirror (3) is arranged on the outer side wall of the sensor outer frame (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110797585.4A CN113670404B (en) | 2021-07-14 | 2021-07-14 | Optical fiber sensor signal acquisition and processing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110797585.4A CN113670404B (en) | 2021-07-14 | 2021-07-14 | Optical fiber sensor signal acquisition and processing device |
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| CN113670404A CN113670404A (en) | 2021-11-19 |
| CN113670404B true CN113670404B (en) | 2023-08-22 |
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