CN209978951U

CN209978951U - Bridge structure health monitoring system

Info

Publication number: CN209978951U
Application number: CN201920873674.0U
Authority: CN
Inventors: 刘芳亮; 李娜; 孙小飞; 毛幸全; 崔营营; 王淼; 田龙飞; 刘洋; 李文云; 丁昊青
Original assignee: In Civil Public Regulation Of Large Data Information Technology (beijing) Co Ltd
Current assignee: In Civil Public Regulation Of Large Data Information Technology (beijing) Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-01-21
Anticipated expiration: 2029-06-11

Abstract

A bridge structure health monitoring system relates to the technical field of bridge monitoring. It contains the pier, and the pier top is equipped with first bridge beam supports, second bridge beam supports, and first bridge beam supports and second bridge beam supports top are equipped with first crossbeam, the second crossbeam that extends along the horizontal direction, all sets up flutedly on first bridge beam supports, the second bridge beam supports the lateral wall, installs temperature sensor and humidity transducer in the recess, first crossbeam with be equipped with displacement sensor between the second crossbeam, pier top one side is equipped with the degree of disturbance sensor, and first crossbeam bottom is equipped with the degree of disturbance measuring point, and humidity transducer, temperature sensor, displacement sensor and degree of disturbance sensor all are connected with collection equipment, and collection equipment passes through communication module and is connected with data transmission server, and data transmission server and high in the clouds server communication connection, high in the clouds server are connected with monitor terminal. The bridge health monitoring system is reasonable in design, realizes real-time monitoring of the health condition of the bridge structure, saves time and labor, and improves working efficiency.

Description

Bridge structure health monitoring system

Technical Field

The utility model relates to a bridge monitoring technology field, concretely relates to bridge structures health monitoring system.

Background

The traffic is an economic life pulse of the society, the bridge is a throat of the traffic, and the smoothness of a road and the driving safety are directly influenced by the quality of the technical condition of the bridge, namely the development of the social economy and the traveling safety of people are directly influenced. If the bridge structure has damage but cannot be found in time, and corresponding maintenance and repair measures are not taken, the damage is aggravated if the damage is caused, the driving safety is influenced, the service life of the bridge is shortened, the repair cost is increased, and the bridge is damaged suddenly and collapses and other serious accidents are caused if the damage is caused. Therefore, necessary monitoring and corresponding maintenance are carried out on the existing bridge, particularly the large-span bridge which has great influence on transportation, and the method is very necessary for ensuring the safe operation of the bridge and prolonging the service life of the bridge.

However, in the conventional bridge monitoring mode in the prior art, data is measured, recorded and processed manually, the monitoring mode is slow in measurement speed, consumes more manual resources and labor cost, brings monitoring risks, is low in monitoring efficiency, consumes longer time to complete one-time data acquisition of a bridge structure, is difficult to ensure working state consistency of data of each measuring point, and is also difficult to ensure accuracy of manually recording and processing data.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge structures health monitoring system to prior art's defect and not enough, it can solve and is difficult to guarantee the operating condition uniformity of each measurement station data among the prior art, also hardly guarantees the defect of artifical record data and the accuracy of handling data simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a pier arranged on a horizontal roadbed, wherein a first bridge bearing and a second bridge bearing are arranged on the top end of the pier side by side, a first cross beam and a second cross beam which extend along the horizontal direction are respectively arranged on the top ends of the first bridge bearing and the second bridge bearing, grooves are respectively formed in the side walls of the first bridge bearing and the second bridge bearing, a temperature sensor and a humidity sensor are installed in each groove, a displacement sensor is arranged between the first cross beam and the second cross beam, a disturbance sensor is arranged on one side of the top end of the pier, a disturbance measuring point is arranged at the bottom end of the first cross beam, the humidity sensor, the temperature sensor, the displacement sensor and the disturbance sensor are all connected with acquisition equipment, the acquisition equipment is connected with a data transmission server through a communication module, and the data transmission server is in communication connection with a cloud server, and the cloud server is in communication connection with the monitoring terminal.

Further, be provided with GPS orientation module on the pier, GPS orientation module and high in the clouds server communication connection.

Furthermore, the first crossbeam with be provided with the expansion joint between the second crossbeam, the displacement sensor stiff end is installed on first crossbeam, and the measurement end of displacement sensor crosses the expansion joint and is connected with the second crossbeam.

Furthermore, a transverse hole, a longitudinal hole and a vertical hole are formed in the first bridge support, strain sensors are arranged in the transverse hole, the longitudinal hole and the vertical hole respectively along the transverse direction, the longitudinal direction and the vertical direction, and the strain sensors are connected with acquisition equipment.

Further, the acquisition equipment is a TMR-200 dynamic data acquisition instrument.

Further, the monitoring terminal comprises any one or more of a smart phone, a tablet computer and a PC.

The utility model discloses a theory of operation: when the deflection sensor works, the temperature sensor and the humidity sensor are used for monitoring the temperature and the humidity near the first bridge support and the second bridge support, the displacement sensor is used for monitoring the relative displacement between the first beam and the second beam, the deflection measuring point is measured by the deflection sensor, thereby obtain the amount of deflection of first crossbeam, and the holistic amount of deflection of bridge is converted out to accessible image analysis principle, strain sensor detects first bridge beam supports self horizontal, vertically and the vertical stress that receives, the data of sensor are gathered through collection equipment, collection equipment transmits the data transmission who gathers for data transmission server and carries out analysis processes, analysis processing information transmission to high in the clouds server of formation, the user can carry out real time monitoring and look over through monitor terminal, the GPS orientation module that sets up on the pier can show the affiliated specific position of monitoring sensor in real time.

After the technical scheme is adopted, the utility model discloses beneficial effect does: the utility model has the advantages of its simple structure, reasonable in design, through the monitoring sensor that the different positions of bridge set up, carry out real-time supervision to the bridge health status that awaits measuring to transmit to long-range high in the clouds server through wireless transmission technology, the high in the clouds server is with data transmission to different monitor terminals, realizes the real-time supervision of bridge structure health status, labour saving and time saving has improved work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a first bridge bearer according to the present invention;

fig. 3 is a schematic connection block diagram of the present invention.

Description of reference numerals: pier 1, first bridge beam supports 2, second bridge beam supports 3, first crossbeam 4, second crossbeam 5, temperature sensor 6, humidity transducer 7, displacement sensor 8, degree of disturbance sensor 9, degree of disturbance measuring point 10, collection equipment 11, data transmission server 12, high in the clouds server 13, monitor terminal 14, GPS orientation module 15, expansion joint 16, strain sensor 17.

Detailed Description

Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the bridge pier comprises a pier 1 arranged on a horizontal roadbed, wherein a first bridge support 2 and a second bridge support 3 are arranged at the top end of the pier 1 side by side, a first cross beam 4 and a second cross beam 5 which extend along the horizontal direction are respectively arranged at the top ends of the first bridge support 2 and the second bridge support 3, grooves are respectively formed on the side walls of the first bridge support 2 and the second bridge support 3, a temperature sensor 6 and a humidity sensor 7 are arranged in the grooves, a displacement sensor 8 is arranged between the first cross beam 4 and the second cross beam 5, an expansion joint 16 is arranged between the first cross beam 4 and the second cross beam 5, the fixed end of the displacement sensor 8 is arranged on the first cross beam 4, the measuring end of the displacement sensor 8 crosses the expansion joint 16 to be connected with the second cross beam 5, and a disturbance sensor 9 is arranged at one side of the top end of the pier 1, the bottom of first crossbeam 4 is provided with degree of disturbance measuring point 10, humidity transducer 7 temperature sensor 6 displacement sensor 8 reaches degree of disturbance sensor 9 all is connected with collection equipment 11, collection equipment 11 passes through communication module and is connected with data transmission server 12, data transmission server 12 and high in the clouds server 13 communication connection, high in the clouds server 13 is connected with monitor terminal 14 communication.

Be provided with GPS orientation module 15 on pier 1, GPS orientation module 15 and high in the clouds server 13 communication connection through being provided with GPS orientation module 15 on pier 1, can show the affiliated specific position of monitoring sensor in real time.

Horizontal hole, vertical hole and vertical hole have been seted up to first bridge beam supports 2's inside, and horizontal hole, vertical hole and vertical downthehole along horizontal, vertical and vertical strain sensor 17 that is provided with respectively, strain sensor 17 is connected with collection equipment 11 to the realization is monitored the stress that first bridge beam supports 2 self received horizontal, vertical and vertical, and strain sensor 1's mounting means is prior art, no longer gives details here.

The acquisition equipment 11 is a TMR-200 dynamic data acquisition instrument, has the sampling speed of 100KHz, can acquire analog signals such as strain, voltage, temperature and the like, can record digitally input rotation number, can test 80 channels at most, can meet the requirements of field data acquisition, and has accurate acquired data.

The monitoring terminal 14 comprises any one or more of a smart phone, a tablet personal computer and a Personal Computer (PC), and is convenient for operators to check the health state of the bridge structure in real time.

In the concrete implementation, the temperature sensor 6 and the humidity sensor 7 are used for monitoring the temperature and the humidity near the first bridge bearing 2 and the second bridge bearing 3, the displacement sensor 8 is used for monitoring the relative displacement between the first beam 4 and the second beam 5, the deflection measuring point 10 is measured by the deflection sensor 9, thereby obtain the amount of deflection of first crossbeam 4, and the holistic amount of deflection of bridge is converted out to accessible image analysis principle, strain sensor 17 detects the stress that first bridge beam supports 2 self is horizontal, vertically and vertical received, the data of sensor is gathered through collection equipment 11, collection equipment 11 transmits the data of gathering for data transmission server 12 and carries out analysis processes, the analysis processes information transmission that generates is to high in the clouds server 13, the user can carry out real time monitoring and look over through monitor terminal 14, GPS orientation module 15 that sets up on abutment 1 can show the affiliated specific position of monitoring sensor in real time.

The utility model discloses a theory of operation: the above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A bridge structures health monitoring system which characterized in that: the device comprises a pier arranged on a horizontal roadbed, wherein a first bridge bearing and a second bridge bearing are arranged on the top end of the pier side by side, a first cross beam and a second cross beam which extend along the horizontal direction are respectively arranged on the top ends of the first bridge bearing and the second bridge bearing, grooves are respectively formed in the side walls of the first bridge bearing and the second bridge bearing, a temperature sensor and a humidity sensor are installed in each groove, a displacement sensor is arranged between the first cross beam and the second cross beam, a disturbance sensor is arranged on one side of the top end of the pier, a disturbance measuring point is arranged at the bottom end of the first cross beam, the humidity sensor, the temperature sensor, the displacement sensor and the disturbance sensor are all connected with acquisition equipment, the acquisition equipment is connected with a data transmission server through a communication module, and the data transmission server is in communication connection with a cloud server, and the cloud server is in communication connection with the monitoring terminal.

2. A bridge structure health monitoring system according to claim 1, wherein: the pier is provided with a GPS positioning module, and the GPS positioning module is in communication connection with the cloud server.

3. A bridge structure health monitoring system according to claim 1, wherein: the first crossbeam with be provided with the expansion joint between the second crossbeam, the displacement sensor stiff end is installed on first crossbeam, and the measurement end of displacement sensor crosses the expansion joint and is connected with the second crossbeam.

4. A bridge structure health monitoring system according to claim 1, wherein: the first bridge support is internally provided with a transverse hole, a longitudinal hole and a vertical hole, wherein strain sensors are respectively arranged in the transverse hole, the longitudinal hole and the vertical hole in the transverse direction, the longitudinal direction and the vertical direction, and the strain sensors are connected with acquisition equipment.

5. A bridge structure health monitoring system according to claim 1, wherein: the acquisition equipment is a TMR-200 dynamic data acquisition instrument.

6. A bridge structure health monitoring system according to claim 1, wherein: the monitoring terminal comprises any one or more of a smart phone, a tablet computer and a PC.