CN219225651U

CN219225651U - Karst tunnel water bursting disaster early warning device

Info

Publication number: CN219225651U
Application number: CN202320217443.0U
Authority: CN
Inventors: 范杰林; 马晓忠; 陈璐; 余强强; 范泽瑞
Original assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Current assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-20
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a karst tunnel water bursting disaster early warning device which comprises a signal acquisition unit, a relay module and a monitoring and early warning platform, wherein the signal acquisition unit comprises a camera, a strain gauge, a displacement sensor, a water level meter, a water temperature sensor, a water quality sensor and a power supply, the relay module comprises a central processing unit and a wireless communication module, the monitoring and early warning platform comprises an alarm, and the output end of the wireless communication module is connected with the alarm. Monitoring data acquired by a camera, a displacement sensor, a strain gauge, a water level gauge, a water temperature sensor and a water quality sensor are subjected to water bursting disaster early warning analysis through a central processing unit, the current state of the water bursting disaster of the karst tunnel is determined, a corresponding instruction is generated and then sent to a monitoring and early warning platform, the monitoring and early warning platform sends out an alarm instruction, and corresponding alarm can be sent out immediately when the water bursting disaster precursor occurs in the karst tunnel, so that disaster early warning time is shortened.

Description

Karst tunnel water bursting disaster early warning device

Technical Field

The utility model relates to the technical field of karst tunnels, in particular to a karst tunnel water bursting disaster early warning device.

Background

In recent years, along with the large-scale construction of karst tunnels of western highways and railways in China, water and mud bursting disasters become one of the disasters with the greatest risks in the karst tunnel construction process. In 415 tunnels of the Kun railway in China, 93.5% tunnels have different degrees of water burst or water bursting disasters during construction, wherein 8 tunnels with water burst exceeding 10000m 3/d are provided, and 13 tunnels with serious water burst are provided. Among these tunnels, karst tunnels in particular are the most harmful, causing significant losses and casualties to the engineering. The karst tunnel water bursting disaster early warning device has important significance for avoiding and relieving damages caused by water bursting disasters and the like, and preventing and controlling water bursting disasters and emergency escape, rescue and treatment works after the disasters.

However, the research foundation of karst water in China is extremely weak, and the research lacks systematicness, pertinence and effectiveness of prevention and treatment. The early warning of karst water burst is basically performed by manual on-site investigation, and then survey data are brought back to the room for research treatment, and finally evaluation results are given and fed back to related departments. However, the process from karst water destabilization to collapse often develops quite rapidly, the manual monitoring reaction is slow, the data acquisition is not real-time, the karst water disaster can not be effectively prevented under most conditions, the occurrence of tragedy of the karst water disaster can occur, and serious loss is caused to lives and properties.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a karst tunnel water bursting disaster early warning device so as to solve the technical problems of manual data acquisition and untimely monitoring and early warning.

The utility model is realized by the following technical scheme:

the utility model provides a karst tunnel water bursting disaster early warning device, includes signal acquisition unit, relay module and monitoring early warning platform, signal acquisition unit includes the singlechip, the input of singlechip is connected with camera, strainometer, displacement sensor, fluviograph, temperature sensor, water quality sensor and power, relay module includes central processing unit and wireless communication module, central processing unit is connected to the output of singlechip, central processing unit and wireless communication module two-way communication connection, monitoring early warning platform includes the siren, wireless communication module's output is connected the siren.

Preferably, the power source is a UPS power source. The camera, the strain gauge, the displacement sensor, the water level gauge, the water temperature sensor, the water quality sensor and the alarm are respectively provided with independent UPS power supplies, so that the data acquisition and monitoring of 24-hour all-weather water inrush disasters are realized.

Further, the monitoring and early warning platform further comprises an early warning terminal, and the output end of the wireless communication module is connected with the early warning terminal.

Further, the camera is arranged at the side wall of the karst tunnel, and the vertical distance between the camera and the bottom of the tunnel is more than or equal to 3 meters. The camera 1 is preferably an outdoor panoramic intelligent high-speed dome camera with an automatic tracking technology, and the camera is 45 degrees obliquely opposite to the tunnel face so as to acquire an accurate panoramic field environment image.

Further, the strain gauge is plural and is provided at the tunnel vault, the arch, and the side wall, respectively. The method is used for monitoring the stress change of the surrounding rock of the karst tunnel. According to the requirements of application scenes, a plurality of multipoint strain gauges can be respectively arranged on one tunnel section, so that more accurate surrounding rock stress data can be obtained.

Further, the displacement sensor is arranged on the tunnel arch springing along the tunnel excavation direction. The method is used for monitoring the displacement of the arch bottom of the surrounding rock of the karst tunnel and the earth surface subsidence and lining displacement of the karst tunnel.

Further, the water level gauge, the water temperature sensor and the water quality sensor are all arranged in a vertical shaft of the tunnel aquifer. The method is used for monitoring the underground water level and water quality change of the tunnel.

Further, the input end of the central processing unit is also connected with a storage module. And the system is used for storing the acquired monitoring data and the generated early warning instructions.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the utility model, monitoring data acquired by a camera, a displacement sensor, a strain gauge, a water level gauge, a water temperature sensor and a water quality sensor are subjected to water bursting disaster early warning analysis through a central processing unit, the current state of a karst tunnel water bursting disaster is determined, a corresponding instruction is generated and then sent to a monitoring and early warning platform, the monitoring and early warning platform sends out an alarm instruction, and corresponding alarm can be immediately sent out when the karst tunnel has water bursting disaster precursors, so that disaster early warning time is shortened;

2. according to the utility model, the monitoring data acquired from each sensor is analyzed in real time through the monitoring and early warning platform, and the early warning instruction corresponding to the tunnel water bursting disaster state is automatically generated, so that the all-weather 24-hour automatic monitoring can be realized, the response is rapid, the prediction is timely, the karst tunnel water bursting disaster space range can be accurately judged, and the basis is provided for tunnel blocking and tunnel disaster treatment; and through unattended full-automatic monitoring, long-term continuous operation is ensured, the monitoring cost of flood damage is greatly reduced, and the reliability of monitoring data is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a system frame diagram of the present utility model;

fig. 2 is a schematic structural view of the present utility model.

The reference numerals are represented as follows: the system comprises a camera, a 2-strain gauge, a 3-displacement sensor, a 4-water level gauge, a 5-water temperature sensor, a 6-water quality sensor, a 7-power supply, an 8-singlechip, a 9-central processing unit, a 10-wireless communication module, an 11-alarm, a 12-early warning terminal, a 13-storage module, a 14-signal acquisition unit, a 15-relay module, a 16-monitoring early warning platform and a 17-vertical shaft.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model. It should be noted that the present utility model is already in a practical development and use stage.

The present utility model will be described in further detail with reference to examples.

Example 1

As shown in fig. 1 to 2, the embodiment includes a signal acquisition unit 14, a relay module 15 and a monitoring and early warning platform 16, the signal acquisition unit 14 includes a single chip microcomputer 8, an input end of the single chip microcomputer 8 is connected with a camera 1, a strain gauge 2, a displacement sensor 3, a water level meter 4, a water temperature sensor 5, a water quality sensor 6 and a power supply 7, the relay module 15 includes a central processing unit 9 and a wireless communication module 10, an output end of the single chip microcomputer 8 is connected with the central processing unit 9, the central processing unit 9 is in bidirectional communication connection with the wireless communication module 10, the monitoring and early warning platform 16 includes an alarm 11, and an output end of the wireless communication module 10 is connected with the alarm 11. Preferably, the alarm can be a plurality of alarms which are respectively arranged in each construction section of the karst tunnel.

Specifically, in this embodiment, the monitoring data acquired by the camera 1, the displacement sensor 3, the strain gauge 2, the water level gauge 4, the water temperature sensor 5 and the water quality sensor 6 are subjected to water bursting disaster early warning analysis through the central processing unit 9, the water level gauge 4 can be an HLG-30 steel ruler water level gauge, the current state of the karst tunnel water bursting disaster is determined, a corresponding instruction is generated and then sent to the monitoring and early warning platform 16, the monitoring and early warning platform 16 sends out an alarm instruction, and corresponding alarm can be immediately sent out when the karst tunnel has a water bursting disaster precursor, so that disaster early warning time is shortened. It should be noted that, camera 1, strainometer 2, displacement sensor 3, fluviograph 4, temperature sensor 5, water quality sensor 6 and siren 11 are provided with independent UPS power 7 respectively, can carry out the data acquisition of water bursting disaster in 24 hours all weather, provide the basis for tunnel locking and tunnel disaster treatment to realize unmanned full automatization monitoring, guarantee early warning device long-term continuous operation, reduced the monitoring cost of water bursting disaster by a wide margin, improved the reliability of monitoring data.

In addition, the monitoring and early-warning platform 16 further comprises an early-warning terminal 12, and the output end of the wireless communication module 10 is connected with the early-warning terminal 12. The early warning terminal 12 may be a combination of a simple instruction set microprocessor and a digital signal processor, may be a server provided with professional tunnel water inrush disaster early warning and monitoring software, or may be an H7760 wireless early warning terminal. The monitoring and early-warning platform 16 determines the first water inrush disaster space range according to the karst tunnel image acquired by the camera 1 in a period of time. For example, differences among a plurality of images photographed every 1 to 30 seconds are subjected to graphic processing, and interference (for example, influence of personnel, illumination factors, and the like in a tunnel on the images) is eliminated, so that water burst data of the tunnel is determined. And then comparing the first water bursting disaster space range, the displacement distance of surrounding rock displacement, the stress change of the karst tunnel and the data conditions of the ground water level, the water temperature and the water quality of the karst tunnel with respective pre-warning standard values respectively, and when any one or more of the first water bursting disaster space range, the displacement distance of surrounding rock displacement, the stress change of the karst tunnel, the water temperature and the water quality data conditions are larger than respective corresponding first threshold values (for example, reach the critical value of the allowed change of the engineering structural design), namely, determining the current state of the water bursting disaster of the karst tunnel as the water bursting disaster which will occur after a certain pre-warning time, and immediately generating a water bursting disaster warning instruction of the karst tunnel when the pre-warning time is smaller than the shortest time set by the minimum emergency plan. On the one hand, the monitoring and early-warning platform 16 automatically sends a water bursting disaster early-warning instruction to the alarm 11 to give an alarm, so that operators in the tunnel are timely dispersed, nearby vehicles and people are prevented from entering the tunnel, possible dangerous situations are avoided, and further damage is caused to the whole tunnel. On the other hand, by sending the tunnel flood disaster early warning command to the early warning terminal 12, the possibly sent flood disaster situation can be notified to the relevant responsible personnel in real time, so that countermeasures can be taken in time.

Specifically, the camera 1 is arranged at the side wall of the karst tunnel, and the vertical distance between the camera and the bottom of the tunnel is more than or equal to 3 meters. The camera 11 is preferably an outdoor panoramic intelligent high-speed dome camera 1 with an automatic tracking technology, and the camera is 45 degrees obliquely opposite to the tunnel face so as to acquire an accurate panoramic field environment image.

Specifically, the strain gauges 2 are plural and are respectively arranged at the tunnel vault, the arch and the side wall; the strain gauge 2 is a multipoint strain gauge. The method is used for monitoring the stress change of the surrounding rock of the karst tunnel. According to the requirements of application scenes, a plurality of multipoint strain gauges 2 can be respectively arranged on one tunnel section, so that more accurate surrounding rock stress data can be obtained.

Specifically, the displacement sensor 3 is disposed on the tunnel arch foot along the tunnel excavation direction. The method is used for monitoring the displacement of the arch bottom of the surrounding rock of the karst tunnel and the earth surface subsidence and lining displacement of the karst tunnel.

Specifically, the water level gauge 4, the water temperature sensor 5 and the water quality sensor 6 are all arranged in a vertical shaft 17 of the tunnel aquifer. The method is used for monitoring the underground water level and water quality change of the tunnel.

Specifically, the input end of the central processing unit 9 is also connected with a storage module 13. And the system is used for storing the acquired monitoring data and the generated early warning instructions.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a karst tunnel water bursting disaster early warning device which characterized in that: including signal acquisition unit (14), relay module (15) and monitoring early warning platform (16), signal acquisition unit (14) are including singlechip (8), the input of singlechip (8) is connected with camera (1), strainometer (2), displacement sensor (3), fluviograph (4), temperature sensor (5), water quality sensor (6) and power (7), relay module (15) are including central processing unit (9) and wireless communication module (10), central processing unit (9) are connected to the output of singlechip (8), central processing unit (9) are connected with wireless communication module (10) both-way communication, monitoring early warning platform (16) are including siren (11), and the output of wireless communication module (10) is connected siren (11).

2. The karst tunnel water bursting hazard warning device according to claim 1, characterized in that: the monitoring and early warning platform (16) further comprises an early warning terminal (12), and the output end of the wireless communication module (10) is connected with the early warning terminal (12).

3. The karst tunnel water bursting hazard warning device according to claim 1, characterized in that: the camera (1) is arranged at the side wall of the karst tunnel, and the vertical distance between the camera and the bottom of the tunnel is more than or equal to 3 meters.

4. The karst tunnel water bursting hazard warning device according to claim 1, characterized in that: the strain gauges (2) are arranged at the arch top, the arch waist and the side wall of the tunnel respectively.

5. The karst tunnel water bursting hazard warning device according to claim 1, characterized in that: the displacement sensor (3) is arranged on the tunnel arch springing along the tunnel excavation direction.

6. The karst tunnel water bursting hazard warning device according to claim 1, characterized in that: the water level gauge (4), the water temperature sensor (5) and the water quality sensor (6) are all arranged in a vertical shaft (17) of the tunnel aquifer.

7. The karst tunnel water bursting hazard warning device according to any one of claims 1 to 6, characterized in that: the input end of the central processing unit (9) is also connected with a storage module (13).