CN107024182A - A kind of shield tunnel deformation wireless monitor system and method - Google Patents

Abstract

Wireless monitor system and method are deformed the invention discloses a kind of shield tunnel of building structure condition monitoring technical field, shield tunnel deformation wireless monitor system includes camera, image acquisition units, graphics processing unit, data acquisition unit, obliquity sensor, wireless sensor network, home server, data control transponder, signal picker, generating laser, radio communication unit, teleprocessing terminal, data analysis processor, driver element, alarm and illuminating lamp, a kind of shield tunnel deformation wireless monitor system and method that the invention is proposed, using laser positioning technology, realize the accuracy of monitoring positioning, improve the precision of monitoring, using camera to being taken pictures in tunnel, then graphics process is passed through, so as to accurately calculate the coordinate information of monitoring section, the invention is easy to operate, data monitoring precision is high.

Description

A wireless monitoring system and method for shield tunnel deformation

technical field

The invention relates to the technical field of building structure behavior monitoring, in particular to a shield tunnel deformation wireless monitoring system and method.

Background technique

During the operation period of the shield tunnel, the structural performance of the tunnel is continuously degraded due to the continuous aging of materials, and at the same time, various ground and underground space development activities around the tunnel continue to be carried out, which will directly cause the deformation of the shield tunnel. The deformation of the tunnel will cause water leakage, structural cracks and other diseases, and the water leakage will in turn aggravate the deformation of the tunnel, forming a vicious circle. If the deformation is allowed to develop, it will not only affect the normal operation of the tunnel, but also seriously threaten the structural safety of the shield tunnel and endanger the safety of people's lives and property. Therefore, deformation monitoring of shield tunnels is of great necessity. The existing shield tunnel deformation wireless monitoring system has complex monitoring methods, inconvenient operation, and low monitoring accuracy. Therefore, we propose a shield tunnel deformation wireless monitoring system and method.

Contents of the invention

The purpose of the present invention is to provide a shield tunnel deformation wireless monitoring system and method, to solve the existing shield tunnel deformation wireless monitoring system monitoring method is complicated, inconvenient to operate, and the monitoring accuracy is not high. The problem.

In order to achieve the above object, the present invention provides the following technical solutions: a shield tunnel deformation wireless monitoring system, the shield tunnel deformation wireless monitoring system includes a camera, an image acquisition unit, an image processing unit, a data acquisition unit, an inclination sensor, a wireless sensor Network, local server, data control transponder, signal collector, laser transmitter, wireless communication unit, remote processing terminal, data analysis processor, drive unit, alarm and lighting;

The lighting lamp is installed in the tunnel, and the image of the target light source is captured by the camera, and the image information is transmitted to the image acquisition unit, and the image acquisition unit transmits the acquired image information to the image processing unit, and the image processing unit extracts the image and processes it , the inclination sensor is installed on the inner wall of the tunnel to detect the deformation data of the inner wall of the tunnel, the data acquisition unit collects the data detected by the inclination sensor, the image data and the inclination data are wirelessly transmitted through the wireless sensor network, and the data information is transmitted to the local The server installs the laser transmitter on the inner wall of the tunnel, emits laser light through the laser transmitter, and the signal collector collects the laser signal emitted by the laser transmitter, and transmits the signal through the data control transponder To the local server, the wireless communication unit realizes the wireless network transmission of data, transmits the data information to the remote processing terminal, processes and analyzes the data information through the data analysis processor, and feeds back the processed and analyzed information to the remote processing terminal , if the detected data information is abnormal, the remote processing terminal drives the alarm device to alarm through the drive unit.

Preferably, the camera is an Ov9650 camera.

Preferably, the image processing unit is an embedded image processing device with S3C2400 as the core.

Preferably, the signal collector is connected to the data control transponder through the RS-485 bus.

Preferably, the data control transponder communicates with the local server through Modem communication.

Preferably, a shield tunnel deformation wireless monitoring method, the shield tunnel deformation wireless monitoring method comprises the following steps:

S1: Install the camera on the side wall of the tunnel evenly and equidistantly, install the lighting lamp and the camera at the same position, the camera takes a picture of the target light source on the adjacent device in front every certain time, and transmits the collected image to the image In the processing unit, the image processing unit extracts the image and processes it to obtain the relative offset of the coordinates of the center of the circle at adjacent moments, thereby calculating the relative displacement between two adjacent sections, and passing the coordinates inside the interval to finally obtain the cross-section Absolute displacement, and the result is transmitted to the local server through the wireless sensor network;

S2: install the inclination sensor on the inner wall of the tunnel, the inclination sensor detects the inclination angle of the inner wall of the tunnel, the data acquisition unit collects the data detected by the inclination sensor, and transmits the data to the local server through the wireless sensor network;

S3: Install a signal collector and three laser transmitters in each monitoring area of the tunnel, as long as the data of the three monitoring points can be collected through each signal collector, and the collected data will be transmitted to the local server;

S4: Transmit the monitored data information to the remote processing terminal through the wireless communication unit, process and analyze the data information through the data analysis processor, and feed back the processed and analyzed information to the remote processing terminal, if the detected data information When an abnormality occurs, the remote processing terminal drives the alarm to alarm through the drive unit.

Preferably, the cameras in step S1 are installed on the side walls of the tunnel at intervals of 8-18 meters along the axis of the tunnel.

Compared with the prior art, the beneficial effects of the present invention are: a shield tunnel deformation wireless monitoring system and method proposed by the present invention adopts laser positioning technology, realizes the accuracy of monitoring and positioning, improves the accuracy of monitoring, adopts The camera takes pictures of the tunnel, and then through graphic processing, the coordinate information of the monitoring area is accurately calculated. The invention is easy to operate and has high data monitoring accuracy.

Description of drawings

Fig. 1 is a schematic block diagram of the present invention.

In the figure: 1 camera, 2 image acquisition unit, 3 image processing unit, 4 data acquisition unit, 5 inclination sensor, 6 wireless sensor network, 7 local server, 8 data control transponder, 9 signal collector, 10 laser transmitter, 11 wireless communication unit, 12 remote processing terminal, 13 data analysis processor, 14 drive unit, 15 alarm, 16 lighting lamp.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figure 1, a shield tunnel deformation wireless monitoring system, the shield tunnel deformation wireless monitoring system includes a camera 1, an image acquisition unit 2, an image processing unit 3, a data acquisition unit 4, an inclination sensor 5, and a wireless sensor network 6 , local server 7, data control transponder 8, signal collector 9, laser transmitter 10, wireless communication unit 11, remote processing terminal 12, data analysis processor 13, drive unit 14, alarm 15 and lighting lamp 16;

The illuminating lamp 16 is installed in the tunnel, the target light source image is taken by the camera 1, and the image information is transmitted to the image acquisition unit 2, and the image acquisition unit 2 transmits the collected image information to the image processing unit 3, and the image processing Unit 3 extracts and processes the image, installs the inclination sensor 5 on the inner wall of the tunnel, detects the deformation data of the tunnel inner wall, and the data acquisition unit 4 collects the data detected by the inclination sensor 5, and the image data and inclination data are wirelessly transmitted through the wireless sensor network 6. Transmission, the data information is transmitted to the local server 7, the laser transmitter 10 is installed on the inner wall of the tunnel, the laser is emitted by the laser transmitter 10, and the signal collector 9 collects the signal emitted by the laser transmitter 10. Laser signal, and transmit the signal to the local server 7 through the data control transponder 8, the wireless communication unit 11 realizes the wireless network transmission of data, and transmits the data information to the remote processing terminal 12, through the data analysis processor 13 The data information is processed and analyzed, and the processed and analyzed information is fed back to the remote processing terminal 12. If the detected data information is abnormal, the remote processing terminal 12 drives the alarm device 15 to alarm through the drive unit 14.

Wherein, the camera 1 is an Ov9650 camera, the image processing unit 3 is an embedded image processing device with S3C2400 as the core, the signal collector 9 is connected with the data control transponder 8 through the RS-485 bus, and the data The control transponder 8 communicates with the local server 7 through Modem communication.

The present invention also provides a wireless monitoring method for shield tunnel deformation. The wireless monitoring method for shield tunnel deformation includes the following steps:

S1: Install the camera 1 on the side wall of the tunnel at a distance of 8-18 meters along the axis of the tunnel, install the lighting 16 and the camera 1 at the same position, and the camera 1 takes pictures of the front at regular intervals The image of the target light source on the adjacent device transmits the collected image to the image processing unit 3, and the image processing unit 3 extracts the image and processes it to obtain the relative offset of the circle center coordinates at adjacent moments, thereby calculating the adjacent two The relative displacement between the sections is transmitted through the coordinates inside the interval, and finally the absolute displacement of the section is obtained, and the result is transmitted to the local server 7 through the wireless sensor network 6;

S2: install the inclination sensor 5 on the inner wall of the tunnel, the inclination sensor 5 detects the inclination angle of the tunnel inner wall, the data acquisition unit 4 collects the data detected by the inclination sensor 5, and transmits the data to the local server 7 through the wireless sensor network 6;

S3: Install a signal collector 9 and three laser transmitters 10 in each monitoring area of the tunnel, as long as each signal collector 9 can collect the data of the three monitoring points, and transmit the collected data to the local server7;

S4: transmit the monitored data information to the remote processing terminal 12 through the wireless communication unit 11, process and analyze the data information through the data analysis processor 13, and feed back the processed and analyzed information to the remote processing terminal 12, if When the detected data information is abnormal, the remote processing terminal 12 drives the alarm device 15 to alarm through the drive unit 14 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A shield tunnel deformation wireless monitoring system is characterized in that: this shield tunnel deformation wireless monitoring system comprises camera (1), image acquisition unit (2), image processing unit (3), data acquisition unit (4) , tilt sensor (5), wireless sensor network (6), local server (7), data control transponder (8), signal collector (9), laser transmitter (10), wireless communication unit (11), remote processing terminal (12), data analysis processor (13), drive unit (14), alarm (15) and lighting lamp (16); The illuminating lamp (16) is installed in the tunnel, the target light source image is taken by the camera (1), and the image information is transmitted to the image acquisition unit (2), and the image acquisition unit (2) transmits the collected image information to the image Processing unit (3), the image processing unit (3) extracts and processes images, installs the inclination sensor (5) on the inner wall of the tunnel, detects deformation data of the tunnel inner wall, and the data acquisition unit (4) collects the inclination sensor ( 5) The detected data, image data and inclination data are wirelessly transmitted through the wireless sensor network (6), the data information is transmitted to the local server (7), and the laser transmitter (10) is installed on the inner wall of the tunnel , emit laser light through the laser transmitter (10), the signal collector (9) collects the laser signal emitted by the laser transmitter (10), and transmits the signal to the local through the data control transponder (8) The server (7), the wireless communication unit (11) realizes the wireless network transmission of data, transmits the data information to the remote processing terminal (12), processes and analyzes the data information through the data analysis processor (13), and The processed and analyzed information is fed back to the remote processing terminal (12), and if the detected data information is abnormal, the remote processing terminal (12) drives the alarm (15) to alarm through the drive unit (14). 2. A shield tunnel deformation wireless monitoring system according to claim 1, characterized in that: the camera (1) is an Ov9650 camera. 3. A shield tunnel deformation wireless monitoring system according to claim 1, characterized in that: the image processing unit (3) is an embedded image processing device with S3C2400 as the core. 4. The wireless monitoring system for shield tunnel deformation according to claim 1, characterized in that: the signal collector (9) is connected to the data control transponder (8) through the RS-485 bus. 5. A wireless monitoring system for shield tunnel deformation according to claim 1, characterized in that: said data control transponder (8) is communicatively connected with a local server (7) through Modem communication. 6. A wireless monitoring method for deformation of a shield tunnel, characterized in that: the wireless monitoring method for deformation of a shield tunnel comprises the steps: S1: Install the camera (1) on the side wall of the tunnel evenly and equidistantly, install the lighting lamp (16) and the camera (1) at the same position, and the camera (1) takes pictures of the adjacent device in front at regular intervals. The target light source image, the collected image is transmitted to the image processing unit (3), and the image processing unit (3) extracts the image and processes it to obtain the relative offset of the center coordinates at adjacent moments, thereby calculating the adjacent two The relative displacement between the sections is transmitted through the coordinates inside the interval, and finally the absolute displacement of the section is obtained, and the result is transmitted to the local server (7) through the wireless sensor network (6); S2: Install the inclination sensor (5) on the inner wall of the tunnel, the inclination sensor (5) detects the inclination angle of the inner wall of the tunnel, the data acquisition unit (4) collects the data detected by the inclination sensor (5), and passes the data through the wireless sensor The network (6) is transmitted to the local server (7); S3: Install a signal collector (9) and three laser emitters (10) respectively in each monitoring area of the tunnel, as long as the data of three monitoring points can be collected through each signal collector (9), and the The collected data is transmitted to the local server (7); S4: transmit the monitored data information to the remote processing terminal (12) through the wireless communication unit (11), process and analyze the data information through the data analysis processor (13), and feed back the processed and analyzed information to If the detected data information of the remote processing terminal (12) is abnormal, the remote processing terminal (12) drives the alarm device (15) to alarm through the drive unit (14). 7. A wireless monitoring method for shield tunnel deformation according to claim 6, characterized in that: the cameras (1) in the step S1 are installed at intervals of 8-18 meters along the axial direction of the tunnel on the side walls of the tunnel.