CN215562127U

CN215562127U - Bridge floor health monitoring device

Info

Publication number: CN215562127U
Application number: CN202120294620.6U
Authority: CN
Inventors: 柯福阳; 郑川川; 王新志; 刘传新; 徐一超; 王明明
Original assignee: Wuxi Research Institute Of Nanjing University Of Information Engineering
Current assignee: Wuxi Research Institute Of Nanjing University Of Information Engineering
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-01-18
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a bridge deck health monitoring device, which comprises a microcontroller module, a communication module, a remote control module and an acquisition module arranged on a bridge deck; the microcontroller module comprises a microcontroller, the communication module comprises a 5G communication module, and the remote control module comprises a computer terminal and a mobile equipment terminal; the acquisition module comprises a pressure sensor, a camera, a laser radar, a sound wave flaw detector, surface displacement detection equipment and a laser deflectometer; the acquisition module is connected with the microcontroller module through the communication module, and the microcontroller module is connected with the remote control module through the communication module. The utility model can provide real-time dynamic traffic flow monitoring for the bridge monitoring system, and seamlessly, accurately, reliably and integrally combines the vehicle attributes with the bridge monitoring data. The automatic real-time periodic detection is realized, the traditional manpower inspection can be replaced, the labor cost is saved, the labor intensity of workers is reduced, the work risk of inspection personnel is reduced, and the detection efficiency is greatly improved.

Description

Bridge floor health monitoring device

Technical Field

The utility model relates to the technical field of bridge detection, in particular to a bridge deck health monitoring device.

Background

In recent years, with the rapid development of modern traffic, bridge construction, which is an important component of highway construction, has also been rapidly developed. As an important urban infrastructure, the problem of monitoring the bridge diseases, the stability and safety of the bridge, the life and property safety of people, the increasing traffic volume, large heavy trucks and the damage of the bridge caused by the number of overweight vehicles passing through the bridge are also increasing. When various damages occur to the bridge, if the bridge is not repaired and maintained in time, great hidden danger is brought to road traffic. The bridge deck conditions are investigated and detected regularly, corresponding maintenance measures are taken, bridge deck diseases appearing in the early stage can be found and treated in time, and serious traffic accidents are avoided.

The traditional artificial bridge detection means is time-consuming and labor-consuming, low in efficiency and single in detection method. Although some automatic bridge detection systems appear at home and abroad at present, the identification capability of the dynamic information of the vehicle cannot achieve higher precision, modeling analysis is not carried out in combination with the deformation information of the vehicle and the bridge, and the detection state of axle linkage cannot be reflected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a bridge deck health monitoring device.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a bridge deck health monitoring device comprises a microcontroller module, a communication module, a remote control module and an acquisition module arranged on a bridge deck;

the microcontroller module comprises a microcontroller, the communication module comprises a 5G communication module, and the remote control module comprises a computer terminal and a mobile equipment terminal; the acquisition module comprises a pressure sensor, a camera, a laser radar, a sound wave flaw detector, surface displacement detection equipment and a laser deflectometer;

the acquisition module is connected with the microcontroller module through the communication module, and the microcontroller module is connected with the remote control module through the communication module.

Further, the pressure sensor is electrically connected with the microcontroller, and the model of the pressure sensor is a compact LC103B type pressure sensor.

Further, the microcontroller is of the model STM32F767, and NAND FLASH memories are adopted in the microcontroller.

Furthermore, the type of the laser radar is HypersenHPS-3D160 area array solid state laser radar.

Further, the camera is a CCD camera.

Further, the microcontroller module is respectively connected with the computer terminal and the mobile device terminal of the remote control module through the communication module.

Furthermore, the 5G communication module is an F02X 5G module.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a bridge deck health monitoring device which can provide real-time dynamic traffic flow monitoring for the bridge deck health monitoring device and perform seamless, accurate, reliable and fused vehicle attributes and bridge monitoring data. The problem that the means in the traditional monitoring process is laggard, the detection of a single element is still stopped, and the data can not be correlated is solved.

The automatic real-time periodic detection is realized, the traditional manpower inspection can be replaced, the labor cost is saved, the labor intensity of workers is reduced, the work risk of inspection personnel is reduced, and the detection efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural view of a bridge deck health monitoring device according to an embodiment of the present invention;

FIG. 2 is a circuit diagram of the microcontroller connected to the pressure sensor and the 5G communication module, respectively, according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a circuit connection of a voltage step-down circuit according to an embodiment of the present invention;

fig. 4 is a circuit connection diagram of a decoupling circuit according to an embodiment of the present invention.

Detailed Description

The following description of the present invention will be made in conjunction with the accompanying drawings.

A bridge deck health monitoring device is shown in figure 1 and comprises a microcontroller module, a communication module, a remote control module and an acquisition module arranged on a bridge deck; the microcontroller module comprises a microcontroller, the communication module comprises a 5G communication module, and the remote control module comprises a computer terminal and a mobile equipment terminal; the acquisition module comprises a pressure sensor, a camera, a laser radar, a sound wave flaw detector, surface displacement detection equipment and a laser deflectometer; the acquisition module is connected with the microcontroller module through the communication module, and the microcontroller module is connected with the remote control module through the communication module.

The pressure sensor is electrically connected with the microcontroller, and the model of the pressure sensor is a compact LC103B type pressure sensor, so that the pressure sensor has the functions of zero clearing, data accumulation and an alarm system. The pressure sensor has a specific threshold value according to specific bridge deck vehicle flow, and when accumulated data of the microcontroller reaches the value, the pressure sensor can trigger a system alarm function to send a signal to a computer terminal or a mobile equipment terminal.

The microcontroller is STM32F767, and NAND FLASH memory is adopted in the microcontroller, so that the acquired data can be stored in a large amount of data and can be stored continuously.

The model of laser radar is HypersenHPS-3D160 area array solid state laser radar, and the camera is the CCD camera, and the laser radar can effectively cooperate with the camera, carries out the discernment of vehicle, provides real-time dynamic traffic flow control, and wherein, the camera is used for shooing the image data of the key position of record bridge, and laser radar carries out the holistic three-dimensional reconstruction of vehicle and bridge.

The microcontroller module is respectively connected with a computer terminal and a mobile device end of the remote control module through the communication module, the mobile device end can access the control system at any time to check the current traffic flow condition and the bridge detection condition, and can also send an instruction to immediately start bridge detection without reaching a pressure threshold value.

The 5G communication module is an F02X 5G module.

As shown in fig. 2, the embodiment shows a circuit connection diagram of the microcontroller and the pressure sensor and the 5G communication module respectively. The power input end of the pressure sensor is connected with a VDD _1 pin of a lower port of the microcontroller, the ground end GND is connected with a VSS _1 pin of the microcontroller, the signal input end is connected with a PA10 pin of the microcontroller, and the signal output end is connected with a PB11 pin of the microcontroller.

The power input end of the 5G communication module is connected with a VDD _3 pin of an upper port of the main microcontroller, the ground end GND is connected with a VSS _3 pin of the microcontroller, the signal input end is connected with a PB4 pin of the microcontroller, and the signal output end is connected with a PA15 pin of the microcontroller.

The chip capacitors C5 and C7 IN the external crystal oscillator circuit of the microcontroller are connected IN series and then connected IN parallel with an external crystal oscillator device Y1(XTAL), and finally connected with a PDO-OSC IN pin and a PD1-OSC OUT pin of the microcontroller.

In order to obtain a rated output voltage of 3.3V for the microcontroller, a voltage reduction circuit is improved in the figure 3 and is used for outputting 5.5V voltage to be stable 3.3V, an input end C8 of the voltage reduction circuit is connected with a voltage stabilizer after being connected with a C9 in parallel, and an output end C10 of the voltage reduction circuit is connected with a C11 in parallel. The model numbers of C8 and C11 were 10uF (106) 10% 50V, and the model numbers of C9 and C10 were 10nF (104) 10% 50V.

In order to ensure the stability of the output voltage of the microcontroller, a decoupling circuit is shown in fig. 4, which removes noise on the power supply pin of the microcontroller, and is formed by connecting four chip capacitors C1, C2, C3 and C4 in parallel, and the model number of the decoupling circuit is 100nF (104) 10% 50V.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

It should be noted that the software programs of the microcontroller module, the communication module, the acquisition module and the remote control module in the above embodiments are conventional arrangements for those skilled in the art, and the present invention does not substantially change the above contents.

Claims

1. The utility model provides a bridge floor health monitoring device which characterized in that:

the bridge comprises a microcontroller module, a communication module, a remote control module and an acquisition module arranged on a bridge floor;

2. The bridge deck health monitoring device of claim 1, wherein: the pressure sensor is electrically connected with the microcontroller, and the model of the pressure sensor is a compact LC103B type pressure sensor.

3. The bridge deck health monitoring device of claim 1, wherein: the microcontroller is of the model STM32F767, and an NAND FLASH memory is adopted in the microcontroller.

4. The bridge deck health monitoring device of claim 1, wherein: the type of the laser radar is HypersenHPS-3D160 area array solid state laser radar.

5. The bridge deck health monitoring device of claim 1, wherein: the camera is a CCD camera.

6. The bridge deck health monitoring device of claim 1, wherein: and the microcontroller module is respectively connected with the computer terminal and the mobile equipment terminal of the remote control module through the communication module.

7. The bridge deck health monitoring device of claim 1, wherein: the 5G communication module is an F02X 5G module.