CN215767014U

CN215767014U - Automatic monitoring system for subgrade settlement

Info

Publication number: CN215767014U
Application number: CN202121125189.9U
Authority: CN
Inventors: 徐宁; 胡强; 甘芮锴; 沈健; 李强
Original assignee: Construction Engineering Co Ltd of CTCE Group
Current assignee: Construction Engineering Co Ltd of CTCE Group
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-02-08
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses an automatic monitoring system for subgrade settlement, which comprises a subgrade, wherein the subgrade is provided with a plurality of monitoring points, each monitoring point is provided with a measuring module, and each measuring module is provided with a data processing module; the measuring module comprises a sedimentation liquid bottle arranged at a monitoring point and a sensor assembly arranged on the sedimentation liquid bottle; the monitoring points comprise a plurality of measuring points and at least one reference point, and sedimentation bottles are arranged on the measuring points and the reference point. The data processing module comprises a processing module connected with the data transmission line, a wireless transmission module arranged on the processing module, and a data monitoring terminal connected with the signal output end of the wireless transmission module. According to the utility model, data are collected at multiple points through the measuring module, and the data are wirelessly transmitted to the data monitoring terminal, so that the automatic observation of settlement data is realized.

Description

Automatic monitoring system for subgrade settlement

Technical Field

The utility model relates to the technical field of automatic monitoring of a roadbed, in particular to an automatic monitoring system for roadbed settlement.

Background

With the development of urban construction in China, railways, subways and highways are newly built or expanded every year in China, the construction of the road subgrades is usually completed under the complex and easily changeable environmental conditions, and the problem that the number of days in the post-construction settlement observation period cannot meet the requirement due to the construction period rush exists. The road bed sinks to cause unevenness of the road surface and the track, which not only influences the smoothness and the comfort of the running of the vehicle, but also brings great potential safety hazard to the running of the vehicle.

The defects of the prior art are that for the problems of uneven road surface or track and vehicle running caused by settlement of the existing roadbed, the existing monitoring method mostly carries out single-point monitoring through a laser sensor, but the method is mostly susceptible to environmental factors, and meanwhile, automatic monitoring and roadbed settlement real-time monitoring cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and in order to realize the purpose, the automatic monitoring system for subgrade settlement is adopted to solve the problems in the background technology.

An automatic subgrade settlement monitoring system comprising:

the road bed is provided with a plurality of monitoring points, each monitoring point is provided with a measuring module, and each measuring module is provided with a data processing module;

the measuring module comprises a sedimentation liquid bottle arranged at a monitoring point and a sensor assembly arranged on the sedimentation liquid bottle;

the data processing module comprises a processing module connected with the data transmission line, a wireless transmission module arranged on the processing module, and a data monitoring terminal connected with the signal output end of the wireless transmission module.

As a further aspect of the utility model: the plurality of monitoring points comprise a plurality of measuring points and at least one reference point.

As a further aspect of the utility model: the sedimentation liquid bottle is provided with a gas connecting pipe for gas communication, and the sedimentation liquid bottle is provided with a liquid connecting pipe for communicating a plurality of measuring points with at least one reference point.

As a further aspect of the utility model: the sensor assembly comprises a pressure sensor for measuring pressure and a temperature sensor for measuring temperature, and data transmission lines are arranged at signal output ends of the pressure sensor and the temperature sensor.

As a further aspect of the utility model: the wireless transmission module adopts a GPRS wireless network module.

Compared with the prior art, the utility model has the following technical effects:

by adopting the technical scheme, monitoring points are arranged in the roadbed, the monitoring points are provided with the measuring modules in advance, the change signals of the roadbed are collected through the sensor assemblies, then the change signals are transmitted to the data processing module for data processing, and further transmitted to the remote data monitoring terminal, so that the settlement change of each section of the roadbed is monitored. Meanwhile, the data monitoring terminal can send instructions at regular time to measure the current settlement value, inquire the subgrade settlement rate and the limit value and provide early warning information.

Drawings

The following detailed description of embodiments of the utility model refers to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of an automatic subgrade settlement monitoring system according to some embodiments disclosed herein;

FIG. 2 is a partial schematic view of a measurement module according to some embodiments disclosed herein;

fig. 3 is a schematic structural view of a sedimentation bottle according to some embodiments disclosed herein.

In the figure: 1. a roadbed; 11. monitoring points; 111. measuring points; 112. a reference point; 12. a sedimentation liquid bottle; 121. a gas connecting pipe; 122. a liquid connection pipe; 2. a measurement module; 21. a sensor assembly; 211. a pressure sensor; 212. a temperature sensor; 22. a data transmission line; 3. a data processing module; 31. a processing module; 32. a wireless transmission module; 4. and (5) a data monitoring terminal.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 3, in an embodiment of the present invention, an automatic roadbed settlement monitoring system includes: .

The road bed 1 is provided with a plurality of monitoring point 11 that is used for monitoring the settlement change, a plurality of monitoring point 11 specifically includes a plurality of measuring point 111 and at least one benchmark 112, and this a plurality of measuring point 111 and a benchmark 112 set up in the settlement liquid bottle 12. The monitoring points 11 are all provided with a measuring module 2, and the measuring module 2 is provided with a data processing module 3;

the measuring module 2 comprises a sedimentation liquid bottle 12 arranged at the monitoring point 11 and a sensor component 21 arranged on the sedimentation liquid bottle 12. Specifically, the sedimentation bottle 12 and the sensor assembly 21 are both disposed on a foundation pile, and as shown in fig. 3, the foundation pile is further provided with gas cylinders, and the gas cylinders are both connected to the monitoring point 11.

The data processing module 3 comprises a processing module 31 connected to the data transmission line 22, a wireless transmission module 32 arranged on the processing module 31, and a data monitoring terminal 4 connected to a signal output end of the wireless transmission module 32. Specifically, the wireless transmission module 32 adopts a GPRS wireless network module. The wireless transmission module 32 transmits the processed settlement observation data to the data monitoring terminal 4.

The data monitoring terminal 4 establishes a database for the received data, after abnormal data are eliminated, the data are arranged, analyzed and processed according to the time sequence of the collected data, and a subgrade 1 settlement trend graph and a specific data table are displayed through related equipment or devices.

In some specific embodiments, the sedimentation liquid bottle 12 is provided with a gas connection pipe 121 for gas communication, and the sedimentation liquid bottle 12 is provided with a liquid connection pipe 122 for communication of a plurality of measurement points 111 and at least one reference point 112. Specifically, the gas connection pipe 121 connects the reference point 112 and each measurement point 111 in series, and is connected to a gas port of a settling flask fixed to the foundation pile of the roadbed 1. And the liquid connection tube 122 connects the reference point 112 and the liquid in the sedimentation bottle 12 of the measurement point 111.

In some specific embodiments, the sensor assembly 21 includes a pressure sensor 211 for measuring pressure, and a temperature sensor 212 for measuring temperature. The pressure sensor 211 is used for collecting the liquid level height change in the sedimentation liquid bottle 12, the liquid level height change is converted into an electric signal through a corresponding conversion circuit, the electric signal is converted into a digital signal, and the sedimentation displacement is indirectly measured. And then the settlement displacement and temperature data are transmitted to the processing module 31 through the data transmission line 22 for data processing and correction. And the processing module 31 corrects the density of the liquid in the sedimentation liquid bottle 12 according to the received temperature information, so as to ensure the measurement accuracy. And the signal outputs of the pressure sensor 211 and the temperature sensor 212 are provided with data transmission lines 22.

The working principle and the working process of some embodiments disclosed by the utility model are as follows:

as shown in fig. 2, each measurement point 111 is first provided with a pressure sensor 211 and a temperature sensor 212, the pressure sensor 211 converts the liquid level difference change in the sedimentation liquid bottle 12 into a corresponding electrical signal, and the data acquisition and processing are performed after the electrical signal is processed, so as to obtain the initial sedimentation value of the corresponding measurement point 111. The temperature sensor 212 correspondingly collects the ambient temperature at the same time as the sedimentation value for the purpose of modifying the initially collected sedimentation value. The pressure sensor 211 and the temperature sensor 212 respectively transmit the acquired data to the data processing module 3.

The data processing module 3 corrects the density of the liquid in the settlement liquid bottle 12 according to the received temperature information, and the corrected settlement change value of the roadbed 1 is obtained by matching the settlement change value in the same time through the data processing module 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents, which should be construed as being within the scope of the utility model.

Claims

1. The automatic monitoring system for subgrade settlement is characterized in that a subgrade (1) is provided with a plurality of monitoring points (11), each monitoring point is provided with a measuring module (2), and each measuring module is provided with a data processing module (3);

the measuring module comprises a sedimentation liquid bottle (12) arranged at a monitoring point and a sensor assembly (21) arranged on the sedimentation liquid bottle;

the data processing module comprises a processing module (31) connected with the data transmission line, a wireless transmission module (32) arranged on the processing module, and a data monitoring terminal (4) connected with the signal output end of the wireless transmission module.

2. The system for automatically monitoring subgrade settlement according to claim 1, characterized in that said plurality of monitoring points comprises a plurality of measuring points (111) and at least one reference point (112).

3. The automatic roadbed settlement monitoring system according to claim 2, wherein the settlement liquid bottle is provided with a gas connecting pipe (121) for gas communication, and the settlement liquid bottle is provided with a liquid connecting pipe (122) for communication of a plurality of measuring points and at least one reference point.

4. The system according to claim 1, wherein the sensor assembly comprises a pressure sensor (211) for measuring pressure and a temperature sensor (212) for measuring temperature, the pressure sensor and temperature sensor signal outputs being provided with data transmission lines (22).

5. The system for automatically monitoring subgrade settlement according to claim 1, wherein the wireless transmission module is a GPRS wireless network module.