阅读说明：本技术 一种光纤传感器信号采集及处理装置 (Optical fiber sensor signal acquisition and processing device ) 是由 叶玉麟 张社荣 肖恩尚 赵明华 王超 于 2021-07-14 设计创作，主要内容包括：本发明公开了一种光纤传感器信号采集及处理装置,包括传感器外框,所述传感器外框的内部设置有中央处理系统、监控系统、测算系统、分析系统和警报模块,且所述中央处理系统与监控系统之间信号连接,所述监控系统与测算系统之间信号连接,所述测算系统、分析系统与报警模块之间信号连接,通过所述测算系统、分析系统与报警模块的设置,加速了光纤传感器信号传递的功能；所述传感器外框的内部设置有密封机构和缓冲机构。本发明,通过中央处理系统、监控系统、测算系统、分析系统与警报模块之间的配合作用,实现了光纤传感器对信号的高效处理,有效地节省了时间与精力。(The invention discloses a signal acquisition and processing device of an optical fiber sensor, 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 function of transmitting signals of the optical fiber sensor is accelerated by the arrangement of the measuring and calculating system, the analysis system and the alarm module; and a sealing mechanism and a buffer mechanism are arranged in the sensor outer frame. According to the invention, through the cooperation of the central processing system, the monitoring system, the measuring and calculating system, the analysis system and the alarm module, the high-efficiency processing of the optical fiber sensor on the signals is realized, and the time and the energy are effectively saved.)

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 and the alarm module are in signal connection, and the functions of signal transmission of an optical fiber sensor (7) are accelerated through the arrangement of the measuring and calculating system, the analysis system and the alarm module;

and a sealing mechanism and a buffering mechanism are arranged in the sensor outer frame (1).

2. The optical fiber sensor signal acquisition and processing device according to claim 1, wherein 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.

3. The optical fiber sensor signal acquisition and processing device according to claim 1, wherein the sealing mechanism comprises a pneumatic tube (11), a first piston (12), a second piston (16) and a sealing plate (13), 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).

4. The optical fiber sensor signal acquisition and processing device according to claim 4, wherein a detachable buffer frame (9) is arranged inside the sensor outer frame (1), the pneumatic tube (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 to the outer side wall of the pneumatic tube (11), and a limiting mechanism is further arranged inside the sensor outer frame (1).

5. The optical fiber sensor signal collecting and processing device according to claim 1, wherein the buffering mechanism comprises a first bearing seat (18), a second bearing seat (19), a sliding rod (20), a loop bar (21) and a spring (22), 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 both the loop bar (21) and the sliding rod (20) are located inside the spring (22).

6. The optical fiber sensor signal collecting and processing device according to claim 6, wherein a buffer plate (8) is disposed inside the sensor frame (1), the buffer plate (8) can slide along the inner side wall of the sensor frame (1), the bottom end of the second bearing seat (19) is fixedly connected to the inner side wall of the sensor frame (1), and the top of the first bearing seat (18) is fixedly connected to the bottom of the buffer plate (8).

7. The optical fiber sensor signal acquisition and processing device according to claim 5, wherein the limiting mechanism comprises a limiting rope (5) and a limiting bolt (6), 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 buffering frame (9), a limiting hole (4) is formed in the inner side wall of the sensor outer frame (1), and the size of the limiting hole (4) is completely consistent with that of the limiting bolt (6).

8. The optical fiber sensor signal collecting and processing device according to claim 1, wherein the inner side wall of the sensor frame (1) is fixedly connected with a heater (17), the top of the sensor 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 frame (1) is provided with a transparent mirror (3).

Technical Field

The invention relates to the technical field of hydraulic engineering optical fiber sensor monitoring, in particular to an optical fiber sensor signal acquisition and processing device.

Background

The hydraulic engineering is an engineering which is constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting the purpose; also known asWater engineering(ii) a Water is a valuable resource essential to human production and life, but it isNature of natureThe existing state does not fully meet the needs of human beings; only when water conservancy projects are built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people's life and production pairWater resourceThe need for; hydraulic engineering needs to build different types of hydraulic buildings such as dams and dikes to achieve the aim.

Some rivers are located at the edge of a city, some rivers are located in an urban area, when the flood season comes, the dikes on the two banks of the rivers are affected most, 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, so that the situation that the river exceeds the warning water level is prevented, and then disastrous results are caused.

The dam is a water retaining structure which intercepts water flow of a river channel to raise the water level or adjust the flow; can form a reservoir, raise the water level, regulate runoff and concentrate water head, and is used for flood control, water supply, irrigation, hydroelectric power generation, shipping improvement and the like.

For monitoring the river water level and the water level in the reservoir in the rainy season in the flood season, the monitoring method for the ordinary dike and the reservoir comprises regular inspection and patrol and continuous real-time monitoring, management and guard patrol for 24 hours, a large amount of manpower resources are wasted, the labor intensity of workers is increased, and the latest monitoring information of the river and the reservoir dike in the flood season cannot be effectively obtained in real time.

Disclosure of Invention

The invention aims to solve the defects that the labor intensity of workers is increased and the latest monitoring information of rivers and reservoir dikes in flood seasons cannot be provided in time by a common monitoring method for the river water level in the flood season and the water level in a reservoir in the rainy season in the prior art, and provides a signal acquisition and processing device for an optical fiber sensor.

In order to achieve the purpose, the invention adopts the following technical scheme:

a signal acquisition and processing device of an optical fiber sensor 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 transmitting signals of the optical fiber sensor is accelerated through the arrangement of the measuring and calculating system, the analysis system and the alarm module;

and a sealing mechanism and a buffer mechanism are arranged in the sensor outer frame.

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 includes a pneumatic tube, a first piston, a second piston and a sealing plate, the sealing plate is fixedly connected to one end of the first piston, the other end of the first piston extends into the pneumatic tube, the first piston can slide along the inner side wall of the pneumatic tube, the second piston also extends into the pneumatic tube, and the second piston can slide along the inner side wall of the pneumatic tube.

Preferably, the inside of sensor frame is provided with can dismantle the buffering frame, the pneumatic tube is for running through can dismantle the buffering frame setting, the inside wall fixedly connected with fixed bolster of sensor frame, the lateral wall fixed connection of fixed bolster and pneumatic tube, the inside of sensor frame still includes stop gear.

Preferably, buffer gear includes that the first seat, the second that bears bear the weight of seat, slide bar, loop bar and spring, the top of slide bar and the first bottom fixed connection who bears the weight of the seat, the bottom of loop bar with the second bears the top fixed connection of seat, the one end and the first bottom fixed connection who bears the weight of the seat of spring, the other end and the second of spring bear the top fixed connection of seat, loop bar and slide bar swing joint, the loop bar with the slide bar all is located inside the spring.

Preferably, a buffer plate is arranged inside the sensor outer frame, the buffer plate can slide along the inner side wall of the sensor outer frame, the bottom end of the second bearing seat is fixedly connected with the inner side wall of the sensor outer frame, and the top of the first bearing seat is fixedly connected with the bottom of the buffer plate.

Preferably, the limiting mechanism comprises a limiting rope and a limiting bolt, the limiting bolt is fixedly connected with one end of the limiting rope, the other end of the limiting rope is fixedly connected with the top of the detachable buffering frame, a limiting hole is formed in the inner side wall of the outer frame of the sensor, and the size of the limiting hole is completely consistent with that of the limiting bolt.

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 printing opacity 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 high-efficiency processing of the optical fiber sensor on signals is realized, and the time and the energy are effectively saved by using big data as a basis; due to the effect of close cooperation of the modules, the inspection working time is effectively shortened, the working strength of workers is reduced, and the safety performance of the river levee and the dam is enhanced.

2. Through the matching action among the heater, the pneumatic tube, 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 increasing the air pressure in the air pressure pipe by extruding the second piston, so that the first piston is driven to drive, and the sealing plate achieves a sealing effect on the outer frame of the sensor.

3. Through the setting of slide bar, loop bar and spring, realized the stabilizing action to the buffer board, because in the in-service use, often can carry optical fiber sensor, because the slide bar slides along the loop bar inside wall, the flexible effect of spring has gone up in the deuterogamy, has carried out stable assurance to optical fiber sensor, has prolonged its life indirectly.

4. Through the setting that can dismantle buffering frame, spacing hole, spacing rope and spacing bolt, realized setting up the detachability of dismantling the buffering frame, simultaneously, owing to can dismantle the setting of buffering frame, reached further buffering effect to fiber sensor, in addition, owing to can dismantle the buffering frame and have good heat-proof quality, avoided scattering and disappearing of heater heat supply.

Drawings

Fig. 1 is a schematic structural diagram of an optical fiber sensor signal acquisition and processing device according to the present invention;

FIG. 2 is a schematic front view of an optical fiber sensor signal collecting and processing device 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 an optical fiber sensor signal collecting and processing device according to the present invention;

fig. 5 is a schematic block diagram of an optical fiber sensor signal collecting and processing device according to the present invention.

In the figure: 1. a sensor outer frame; 2. a grip; 3. a light-transmitting mirror; 4. a limiting hole; 5. a limiting rope; 6. a limit bolt; 7. an optical fiber sensor; 8. a buffer plate; 9. the buffer frame can be disassembled; 10. fixing a bracket; 11. a pneumatic tube; 12. a first piston; 13. a sealing plate; 14. a frame door; 15. a rotating 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. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an optical fiber sensor signal collecting and processing device includes a sensor frame 1, a central processing system, a monitoring system, a calculating system, an analyzing system and an alarm module are arranged inside the sensor frame 1, the central processing system is in signal connection with the monitoring system, the monitoring system is in signal connection with the calculating system, the analyzing system and the alarm module are in signal connection, and the function of transmitting signals of an optical fiber sensor 7 is accelerated by the arrangement of the calculating system, the analyzing system and the alarm module;

the sensor outer frame 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 high-efficiency processing of the optical fiber sensor 7 on signals is realized, and the time and the energy are effectively saved by using big data as a basis; due to the effect of close cooperation among the modules, the patrol working time is effectively shortened, the working strength of workers is reduced, and the safety performance of the river bank 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 into 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 into the pneumatic tube 11, and the second piston 16 can also slide along the inner side wall of the pneumatic tube 11.

Sensor frame 1's inside is provided with can dismantle buffering frame 9, and pneumatic tube 11 sets up for running through can dismantle buffering frame 9, and sensor frame 1's inside wall fixedly connected with fixed bolster 10, fixed bolster 10 and pneumatic tube 11's lateral wall fixed connection, sensor frame 1's inside still includes stop gear.

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, 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, the loop bar 21 and the sliding rod 20 are both positioned inside the spring 22, through the arrangement of the sliding rod 20, the loop bar 21 and the spring 22, the stabilizing effect on the buffer plate 8 is realized, in actual use, the optical fiber sensor 7 is often carried, and the sliding rod 20 slides along the inner side wall of the loop bar 21 and is matched with the telescopic action of the upper spring 22, so that the optical fiber sensor 7 is stably ensured, and the service life of the optical fiber sensor 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 that the second bore seat 19 and sensor frame 1's inside wall fixed connection, the top that the first bore seat 18 and the bottom fixed connection of buffer board 8.

Stop gear includes spacing rope 5 and spacing bolt 6, the one end fixed connection of spacing bolt 6 and spacing rope 5, the other end of spacing rope 5 and the top fixed connection that can dismantle buffering frame 9, spacing hole 4 has been seted up to 1 inside wall of sensor frame, spacing hole 4's size is identical with spacing bolt 6's size completely, through dismantling buffering frame 9, spacing hole 4, spacing rope 5 and spacing bolt 6's setting, realized the detachability setting to dismantling buffering frame 9, and simultaneously, owing to can dismantle the setting of buffering frame 9, further buffering effect has been reached to fiber optic sensor 7, in addition, because can dismantle buffering frame 9 has good heat-proof quality, the heater 17 provides scattering and disappearing of 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 cooperation of the heater 17, the air pressure pipe 11, the first piston 12, the second piston 16 and the sealing plate 13, so that the optical fiber sensor 7 can work in a low-temperature environment; the heat emitted by the heater 17 is used for increasing the air pressure in the air pressure pipe 11 by extruding the second piston 16, so as to drive the first piston 12 to drive, and the sealing plate 13 achieves a sealing effect on the outer frame 1 of the sensor; the top of sensor frame 1 is provided with rotation axis 15, and the lateral wall fixedly connected with frame door 14 of rotation axis 15, the lateral wall fixedly connected with handle 2 of frame door 14, and the lateral wall of sensor frame 1 is provided with printing opacity mirror 3.

The working principle is as follows:

firstly, a video acquisition module and an image recognition module in a monitoring system acquire and monitor water level information of a reservoir in a flood season and in a rainy season, collected data are transmitted to a measuring and calculating system, water level height measurement and calculation are carried out through a model comparison module and a depth learning module, measured and calculated data are transmitted to an analysis system, after 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, detection is carried out through an optical fiber sensor 7, then an alarm module is triggered, and then a worker is informed to carry out corresponding operation; and the accuracy and the reliability of flood season water level monitoring data are further improved, and a favorable guarantee is provided for flood control projects.

In the process of carrying the optical fiber sensor 7, the detachable buffering frame 9 is firstly installed inside the sensor outer frame 1, the limiting rope 5 is pulled, the limiting bolt 6 is inserted into the limiting hole 4, the detachable buffering frame 9 is limited, and then the optical fiber sensor can be carried, and in the carrying process, the spring 22 and the sliding rod 20 are continuously extruded by the buffering plate 8, so that a certain buffering effect is achieved.

When the sensor operates in a low-temperature environment, the switch of the heater 17 can be turned on, the second piston 16 slides inwards along the inner side wall of the pneumatic tube 11, the air pressure inside the pneumatic tube 11 is increased, and the first piston 12 is driven to slide outwards along the inner side wall of the pneumatic tube 11, so that the sealing plate 13 is driven to move, and a sealing effect on the outer frame 1 of the sensor is achieved.

In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.