CN211085336U - Bridge remote monitoring system suitable for suspension bridge - Google Patents
Bridge remote monitoring system suitable for suspension bridge Download PDFInfo
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- CN211085336U CN211085336U CN201922346945.XU CN201922346945U CN211085336U CN 211085336 U CN211085336 U CN 211085336U CN 201922346945 U CN201922346945 U CN 201922346945U CN 211085336 U CN211085336 U CN 211085336U
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Abstract
The utility model discloses a bridge remote monitoring system suitable for suspension bridge, which comprises a sensor module, a collector module, a data transmission and wireless sending module, an industrial personal computer module, a bridge monitoring module, a cloud database module and a safety early warning module; the system can monitor the running state of the suspension bridge in time and can perform safety early warning on potential safety hazards in the running process of the bridge in time through real-time monitoring data transmitted by various sensors; the system adopts wireless network connection, thereby not only solving the problem of high difficulty in laying network cables for bridges, but also solving the problem of data transmission interruption caused by network cable aging; data transmission is carried out through a wireless network, so that the data transmission quantity is increased, the cost for laying network cables is reduced, the personnel expenditure caused by manual inspection can be reduced, and the cost is saved.
Description
Technical Field
The utility model relates to a bridge remote monitoring technical field particularly is a bridge remote monitoring system suitable for suspension bridge.
Background
In recent years, with the improvement of bridge infrastructure, a large number of bridges are also being developed. Along with the continuous development of economy, the motor vehicle quantity is increased sharply, heavy vehicles are increased, the phenomenon that some bridge engineering projects are damaged after being repaired before or after being repaired or damaged after the design years are far short is caused, and the problem of urgently solving is solved by timely and effectively monitoring the health condition of the bridge.
The suspension bridge generally refers to a bridge which is hung by a cable tower and anchored on two banks and takes cable as a main bearing component of an upper structure, and has the advantages that: the suspension bridge is suitable for roads with large span and extra large span, the structure is flexible, and compared with other bridges, the suspension bridge can use less substances to realize longer span; the suspension bridge also has a plurality of problems, such as small rigidity caused by a flexible suspension cable structure, easy vibration under the action of dynamic loads such as wind load, vehicle impact load and the like; if the problems are eliminated in time, the normal operation of the bridge is influenced, and the safety of the suspension bridge is also endangered in serious cases. Therefore, it is important to remotely monitor the operating condition of the suspension bridge.
In the prior art, the monitoring of the operation condition of the suspension bridge usually adopts a manual timing inspection mode, so that time and labor are wasted, the cost of manpower and material resources is wasted, and problems are difficult to find in time; and because the bridges are distributed dispersedly and are far away, the method is difficult to form a communication network for automatic detection.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a bridge remote monitoring system suitable for suspension bridge to carry out real-time monitoring and make safety precaution to suspension bridge's operation conditions, in time discover and get rid of the potential safety hazard that exists among the bridge operation process.
The utility model provides a bridge remote monitoring system suitable for suspension bridge, include: the system comprises a sensor module, a collector module, a data transmission and wireless transmission module, an industrial personal computer module, a bridge monitoring module, a cloud database module and a safety early warning module; the bridge monitoring module is in communication connection with the safety early warning module;
preferably, the sensor module includes: the system comprises a deflection sensor, a cable force sensor, a temperature and humidity sensor, a strain sensor, a displacement sensor, an acceleration sensor, a GPS monitor and an inclinometer;
the deflection sensors are used for acquiring deflection at the cross section of the bridge at each mounting point in real time, the deflection sensors are mounted on the left side and the right side of the bridge through first fixing devices, and the number of the deflection sensors is one or more;
the cable force sensors are used for acquiring cable force at installation points of the suspension cables in real time, and are installed on the suspension cables of the bridge through second fixing devices, and the number of the installation devices is one or more;
the temperature and humidity sensor is used for acquiring the temperature and the humidity of the environment where the bridge is located in real time, and the temperature and humidity sensor is installed on the top of the bridge tower and an entrance and exit at one end of the bridge through a first fixing device, and the number of the temperature and humidity sensor is one or more;
the strain sensors are used for acquiring real-time strain data of a section at an installation position, the strain sensors are installed on the bridge floor through first fixing devices, the three strain sensors are in a group, the left side and the right side of the bridge floor are respectively provided with one strain sensor, the bridge floor connected with the two strain sensors is provided with one strain sensor, and the strain sensors are installed on the bridge floor in one group or multiple groups;
the displacement sensors are used for acquiring longitudinal and transverse displacement data of the bridge in real time, and are installed at the root of the sling main tower and the entrance and exit of the bridge through first fixing devices, and the number of the displacement sensors is one or more;
the acceleration sensors are used for acquiring acceleration data of vehicles coming from and going to the bridge in real time, and are arranged on the main beam, the sling and the main tower through the first fixing device, and the number of the acceleration sensors is one or more;
the GPS monitors are used for acquiring deformation state data of the bridge in real time, and are mounted in a tower top cross beam, a left span middle span and a right span middle span through first fixing devices, and the number of the GPS monitors is three; the inclinometers are used for acquiring displacement data of the tower top in real time and are mounted on a cross beam of the tower top through a first fixing device, and the mounting number of the inclinometers is one or more;
preferably, the collector module is used for collecting and summarizing the data acquired by the sensor module, and is also used for transmitting the data acquired by the sensor module to the industrial personal computer module through the data transmission and wireless transmission module;
preferably, the industrial personal computer module is used for receiving, analyzing and processing the data sent by the collector module, and transmitting the analysis and processing information generated after analysis and processing to the bridge monitoring module and the cloud database module;
preferably, the bridge monitoring module is used for calculating and analyzing the analysis processing information and sending a calculation result to the safety early warning module; the cloud database module is used for storing and backing up data;
preferably, the safety early warning module is used for sending out safety early warning information according to the calculation result.
The utility model discloses following beneficial effect has:
the real-time monitoring data transmitted by various sensors can not only timely monitor the running state of the suspension bridge, but also timely and safely early warn potential safety hazards appearing in the running process of the bridge, so that the actual health condition of the bridge can be accurately monitored; the system adopts wireless network connection, thereby not only solving the problem of high difficulty in laying network cables for bridges, but also solving the problem of data transmission interruption caused by network cable aging; data transmission is carried out through a wireless network, so that the data transmission quantity is increased, the cost for laying network cables is reduced, the personnel expenditure caused by manual inspection can be reduced, and the cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of connection relationship between modules of bridge remote monitoring system for suspension bridge
FIG. 2 is a running diagram of bridge remote monitoring system suitable for suspension bridge
FIG. 3 is a schematic diagram of the functions of each part of the sensor module of the bridge remote monitoring system suitable for the suspension bridge
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly, completely and clearly described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in different configurations.
The following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, an embodiment provides a bridge remote monitoring system suitable for a suspension bridge, for remote monitoring of a bridge, including: the system comprises a sensor module 100, a collector module 200, a data transmission and wireless transmission module 300, an industrial personal computer module 400, a bridge monitoring module 500, a cloud database module 600 and a safety early warning module 700; the sensor module 100 is in communication connection with the collector module 200, the collector module 200 is in communication connection with the industrial personal computer module 400 through the data transmission and wireless sending module 300, the industrial personal computer module 400 is in communication connection with the bridge monitoring module 500 and the cloud database module 600 respectively, and the bridge monitoring module 500 is in communication connection with the safety early warning module 700.
Referring to fig. 3, a sensor module 100 of the present invention includes: the system comprises a deflection sensor 101, a cable force sensor 102, a temperature and humidity sensor 103, a strain sensor 104, a displacement sensor 105, an acceleration sensor 106, a GPS monitor 107 and an inclinometer 108. Various sensors are communicatively coupled to the collector module 200, respectively.
The deflection sensors 101 are used for acquiring deflection detection values of the bridge sections at the installation points in real time, and the deflection sensors 101 are installed on the left side and the right side of the bridge through first fixing devices 801, wherein the number of the installed deflection sensors is nine;
the cable force sensors 102 are used for acquiring cable force at installation points of the suspension cables in real time, and are installed on the suspension cables of the bridge through the second fixing devices 802, and the number of the installation devices is four;
the utility model discloses a be DE L7202 type atmosphere temperature and humidity sensor, the disease of suspension bridge main push-towing rope mainly takes place in the anchor room, and the change of environment humiture is its leading cause to the corruption of cable, consequently, the utility model discloses an indirectly observe the damage condition of main push-towing rope through measuring the indoor humiture of anchor through the humiture of measuring the indoor humiture of anchor, temperature and humidity sensor 103 is used for obtaining the temperature and humidity that the bridge located the environment in real time, and temperature and humidity sensor 103 installs in bridge top of the tower and a bridge end entrance and exit department through first fixing device 801, and installation quantity is two.
The strain sensors 104 are used for acquiring real-time strain data of a section at an installation position, the strain sensors 104 are installed on a bridge floor through a first fixing device 801, the strain sensors 104 are arranged in a group, the group is that one strain sensor is installed on each of the left side and the right side of the bridge floor, one strain sensor is installed on the bridge floor at the midpoint position of a connecting line of the two strain sensors 104 on the two sides of the bridge floor, five groups of the strain sensors 104 are installed on the bridge floor, the strain sensors 104 are sensors of S L350 type, the strain sensors 104 and wireless strain nodes (SG404EX-W) work together to achieve wireless data transmission between the strain sensors 104 and the collector module 200 and effectively eliminate noise interference caused by long cable transmission, and each wireless strain node (SG404EX-W) comprises a power supply module, an acquisition processing module and a.
The displacement sensors 105 are used for acquiring vertical displacement and longitudinal displacement data of the bridge in real time, and the displacement sensors 105 are installed at the bottom of the sling main tower and at the entrance and exit of the bridge through first fixing devices 801, wherein the number of the displacement sensors is two; the vertical displacement sensor of the utility model adopts a VDM2 type deflectometer which is independently researched and developed by the medium-speed railway bridge bureau and consists of a column regulator, a single communicating pipe, a gas column regulator, a micro-pressure difference sensor and a signal transmission device, and the basic principle is to convert the change of liquid-gas coupling pressure difference into the change of bridge deflection; the utility model discloses a longitudinal bridge adopts KYDM type magnetostrictive displacement meter to displacement sensor, and this displacement meter precision is high, good reproducibility, and is longe-lived, the longitudinal bridge that can be accurate for a long time acquires the bridge is to displacement data.
The acceleration sensors 106 are used for acquiring acceleration data of vehicles coming from and going to the bridge in real time, and are mounted on the main beam, the sling and the main tower through the first fixing devices 801, and the number of the mounting devices is three; the acceleration sensor 106 used in this embodiment is a sensor of type a104EX-W, and is composed of a sensing processing unit and a communication module. The highest adopted frequency is 2KHz, the self-organized network has 2M data storage capacity, and can form a network in a self-organized mode, so that continuous acquisition, periodic acquisition and trigger acquisition can be met; and meanwhile, the wireless transmission device is provided with an external antenna, and the transmission and the mode of the wireless transmission device and the collector module 200 are wireless transmission.
The GPS monitors 107 are used for acquiring deformation state data of the bridge in real time, and the GPS monitors 107 are installed in a beam on the top of the tower, a left span and a right span through first fixing devices 801, wherein the number of the installation devices is three;
the inclinometer 108 is used for acquiring displacement data of the tower top in real time, and the inclinometer 108 is installed on a beam at the tower top through a first fixing device 801; the utility model discloses a two-way inclinometer of ACA826T precision can realize real-time supervision to can carry out data transmission through wireless transmission's mode, install in the surface of testee, can be with the horizontal contained angle of automatic calculation object, it is strong to have anti external electromagnetic interference ability, bears the characteristics that the shock vibration ability is strong.
The first fixture 801 is bolted or arc welded; the second fixing device 802 is a snap-fit fixing.
The collector module 200 is used for collecting and summarizing the data acquired by the sensor module 100, and the collector module 200 is further used for transmitting the data acquired by the sensor module 100 to the industrial personal computer module 400 through the data transmission and wireless transmission module 300.
The industrial personal computer module 400 is used for receiving and analyzing the data sent by the collector module 200, and transmitting the analysis processing information generated after analysis processing to the bridge monitoring module 500 and the cloud database module 600.
The bridge monitoring module 500 is configured to perform calculation and analysis on the analysis processing information and send a calculation result to the safety warning module 700; the cloud database module 600 is used for data storage backup.
The safety early warning module 700 is configured to send out safety early warning information according to the calculation result.
In addition, the solar power supply system is used in the bridge remote monitoring system suitable for the suspension bridge, so that the 24-hour continuous power supply of the system is ensured, and the solar power supply system comprises a controller, a solar cell panel, a battery, a cable, a protection box and the like; this solar cell panel installs at the body of the tower to guarantee that optic fibre is sufficient, the battery is then installed inside the tower, prevents external artificial damage.
In order to ensure the effectiveness and timeliness of wireless communication transmission and avoid the problem of attenuation in the signal transmission process, a large number of wireless sensors are selected, signals are transmitted to a wireless communication converter through a wireless transmission node, all the signals are transmitted to a wireless bridge (Anykey9550 type) through a switch, and then the wireless bridge is used for realizing the communication connection between the collector module 200 and the sensor module 100.
The main monitoring contents are as follows: monitoring a structural temperature field, monitoring the linear shape of a bridge and monitoring stress, wherein the monitoring of the temperature field mainly aims to monitor the temperature field and the temperature gradient required by theoretical analysis for mastering the long-term environment of a bridge member and provide a basis for temperature correction of data monitored by static force; the bridge linear monitoring mainly aims at knowing the change conditions of the main beam, the main tower and the support under the action of external load, and providing a basis for analyzing and evaluating the health condition of the bridge; the method mainly comprises girder deformation monitoring, main tower deformation monitoring and support displacement monitoring, wherein the girder deformation monitoring comprises key section elevation monitoring so as to monitor the main girder line opening change in real time. The main tower deformation monitoring comprises displacement value monitoring and gradient monitoring in the forward bridge direction and the transverse bridge direction, and the support displacement monitoring comprises the displacement monitoring of expansion joints of the towers and the beam ends; the stress monitoring mainly aims at monitoring the change of structural stress, the structural stress reflects the whole and local stress state of the structure, and the stress monitoring is a direct parameter of the safety state of the bridge and is also the key point of the bridge monitoring.
Example 2
The embodiment also provides a bridge remote monitoring method suitable for the suspension bridge, which comprises the following steps:
s1: the monitoring data of the bridge are obtained by the sensor module 100 installed on the suspension bridge, and comprise deflection data of the bridge, cable force data of a sling of the bridge, temperature and humidity data of the environment where the bridge is located, strain data of the bridge, support displacement data of the bridge, acceleration data of the bridge, deformation data monitored by a GPS monitor and inclination angle data of the bridge.
S2: the data are transmitted to the collector module 200 through the wireless transmission device, and the collector module 200 summarizes and collates the data and transmits the summarized and collated data to the industrial personal computer module 400 through the data transmission and wireless sending module 300.
S3: the industrial personal computer module 400 generates an analysis result after performing preliminary analysis on the data sent by the collector module 200, and sends the analysis result to the bridge monitoring module 500 and the cloud database module 600 respectively.
S4: the bridge monitoring module 500 receives analysis data sent by the industrial personal computer module 400, and the cloud database module 600 is used for storing and backing up the analysis data; meanwhile, the analysis data are calculated according to a preset calculation model, the model is Fuzhou university 'three-spectrum analysis method', three spectrograms, namely a theoretical spectrum, a standard spectrum and a random spectrum, are respectively adopted to analyze the calculated data to obtain a calculation result, and the calculation result is sent to the safety early warning module 700.
S5: the safety early warning module 700 receives the above calculation result, determines a threshold range in which the calculation result is located according to a preset threshold calculation method, determines a danger level, and issues a safety alarm.
Claims (6)
1. A bridge remote monitoring system suitable for a suspension bridge, comprising: the system comprises a sensor module (100), a collector module (200), a data transmission and wireless transmission module (300), an industrial personal computer module (400), a bridge monitoring module (500), a cloud database module (600) and a safety early warning module (700); the sensor module (100) is in communication connection with the collector module (200), the collector module (200) is in communication connection with the industrial personal computer module (400) through the data transmission and wireless sending module (300), the industrial personal computer module (400) is in communication connection with the bridge monitoring module (500) and the cloud database module (600) respectively, and the bridge monitoring module (500) is in communication connection with the safety early warning module (700).
2. A bridge telemonitoring system adapted for a suspension bridge according to claim 1, wherein the sensor module (100) comprises: the system comprises a deflection sensor (101), a cable force sensor (102), a temperature and humidity sensor (103), a strain sensor (104), a displacement sensor (105), an acceleration sensor (106), a GPS monitor (107) and an inclinometer (108); the deflection sensors (101) are used for acquiring deflection at the cross section of the bridge at each mounting point in real time, the deflection sensors (101) are mounted on the left side and the right side of the bridge through first fixing devices (801), and the number of the deflection sensors is one or more; the cable force sensors (102) are used for acquiring cable force at each sling mounting point in real time and are mounted on the slings of the bridge through second fixing devices (802), and the mounting number is one or more; the temperature and humidity sensor (103) is used for acquiring the temperature and the humidity of the environment where the bridge is located in real time, the temperature and humidity sensor (103) is installed on the top of the bridge tower and at an entrance and an exit of one end of the bridge through a first fixing device (801), and the number of the temperature and humidity sensor (103) is one or more; the strain sensors (104) are used for acquiring real-time strain data of a cross section at an installation position, the strain sensors (104) are installed on the bridge floor through first fixing devices (801), three strain sensors (104) are in a group, the left side and the right side of the bridge floor are respectively provided with one strain sensor, the bridge floor is provided with one strain sensor at the middle point of the connecting line of the two strain sensors (104), and one or more groups of strain sensors (104) are installed on the bridge floor; the displacement sensors (105) are used for acquiring vertical displacement and longitudinal displacement data of the bridge in real time, the displacement sensors (105) are installed at the bottom of the sling main tower and at the entrance and exit of the bridge through first fixing devices (801), and the number of the displacement sensors is one or more; the acceleration sensors (106) are used for acquiring acceleration data of vehicles coming from and going to the bridge in real time, and are arranged on the main beam, the sling and the main tower through first fixing devices (801), and the number of the first fixing devices is one or more; the GPS monitors (107) are used for acquiring deformation state data of the bridge in real time, and the GPS monitors (107) are installed in a beam on the top of the tower, a left span middle span and a right span middle span through first fixing devices (801), wherein the number of the installation devices is three; the inclinometer (108) is used for acquiring displacement data of the tower top in real time, and the inclinometer (108) is installed on a beam of the tower top through a first fixing device (801), wherein the number of the inclinometer (108) is one or more.
3. The bridge remote monitoring system suitable for the suspension bridge according to claim 1, wherein the collector module (200) is used for collecting and summarizing data acquired by the sensor module (100), and the collector module (200) is further used for transmitting the data acquired by the sensor module (100) to the industrial personal computer module (400) through the data transmission and wireless transmission module (300).
4. The bridge remote monitoring system suitable for the suspension bridge according to claim 1, wherein the industrial personal computer module (400) is used for receiving and analyzing and processing data sent by the collector module (200), and transmitting analysis processing information generated after analysis processing to the bridge monitoring module (500) and the cloud database module (600).
5. The bridge remote monitoring system applicable to the suspension bridge as claimed in claim 4, wherein the bridge monitoring module (500) is configured to perform calculation analysis on the analysis processing information and send the calculation result to the safety precaution module (700); the cloud database module (600) is used for data storage backup.
6. The bridge remote monitoring system for the suspension bridge as claimed in claim 5, wherein the safety precaution module (700) is configured to issue safety precaution information according to the calculation result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922346945.XU CN211085336U (en) | 2019-12-24 | 2019-12-24 | Bridge remote monitoring system suitable for suspension bridge |
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| CN201922346945.XU CN211085336U (en) | 2019-12-24 | 2019-12-24 | Bridge remote monitoring system suitable for suspension bridge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445192A (en) * | 2020-11-20 | 2021-03-05 | 河南交通职业技术学院 | Automatic road and bridge control method and system |
| CN113776582A (en) * | 2021-08-25 | 2021-12-10 | 上海洪铺钢结构工程有限公司 | Steel structure bridge, safety monitoring method and safety monitoring device |
| CN114777896A (en) * | 2022-04-20 | 2022-07-22 | 江西天丰建设集团有限公司 | Vibration monitoring device and monitoring system for bridge construction |
-
2019
- 2019-12-24 CN CN201922346945.XU patent/CN211085336U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445192A (en) * | 2020-11-20 | 2021-03-05 | 河南交通职业技术学院 | Automatic road and bridge control method and system |
| CN113776582A (en) * | 2021-08-25 | 2021-12-10 | 上海洪铺钢结构工程有限公司 | Steel structure bridge, safety monitoring method and safety monitoring device |
| CN113776582B (en) * | 2021-08-25 | 2023-11-03 | 上海洪铺钢结构工程有限公司 | Steel structure bridge, safety monitoring method and safety monitoring device |
| CN114777896A (en) * | 2022-04-20 | 2022-07-22 | 江西天丰建设集团有限公司 | Vibration monitoring device and monitoring system for bridge construction |
| CN114777896B (en) * | 2022-04-20 | 2022-12-02 | 江西天丰建设集团有限公司 | Vibration monitoring device and monitoring system for bridge construction |
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