CN213274374U - Cable-stayed bridge health monitoring system based on BIM platform - Google Patents
Cable-stayed bridge health monitoring system based on BIM platform Download PDFInfo
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- CN213274374U CN213274374U CN202022776166.6U CN202022776166U CN213274374U CN 213274374 U CN213274374 U CN 213274374U CN 202022776166 U CN202022776166 U CN 202022776166U CN 213274374 U CN213274374 U CN 213274374U
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Abstract
The utility model relates to a cable-stayed bridge health monitoring system based on a BIM platform, which comprises a sensor unit, a data processing unit and a communication unit, wherein the sensor unit comprises a temperature and humidity sensor, an anemorumbometer, a GNSS sensor, a static level gauge, a fiber bragg grating strain gauge, a vibration sensor, a displacement sensor, a cable force sensor and a vehicle monitor; the communication unit comprises a plurality of regional forwarding nodes; and each sensor transmits a data signal to the data processing unit in a wireless communication mode through a region forwarding node of a corresponding region. The cable-stayed bridge health monitoring system based on the BIM platform overcomes the personnel dependence and the environmental restriction, can carry out integral acquisition and centralized processing on bridge state information, and realizes all-weather, full-automatic and full-life-cycle structural data acquisition, transmission and analysis; and the instability of human factors and the restriction of environmental factors are eliminated, and the safety of technical personnel is effectively ensured.
Description
Technical Field
The utility model relates to a monitoring technology field, concretely relates to cable-stay bridge health monitoring system based on BIM platform.
Background
The bridge structure has prominent status and function in transportation, and the investment scale and social and economic influences are huge. However, the safety accident may occur due to the influence of severe environment, over-age service, overload, and the like. Therefore, necessary measures need to be taken to monitor the health of the bridge. The existing bridge monitoring still generally adopts a manual detection mode, depends on the experience of managers and technicians to a great extent, and has the defects of discrete and discontinuous data, inconvenient detection in remote areas, incapability of fully ensuring personnel safety and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the problems of data dispersion, inconvenience in detection and safety of the existing artificial bridge detection, the BIM platform-based cable-stayed bridge health monitoring system overcomes personnel dependence and environmental restriction and can carry out integral acquisition and centralized processing on bridge state information.
In order to solve the technical problem, the cable-stayed bridge health monitoring system based on the BIM platform comprises a sensor unit arranged at each bridge structure position of a front cable-stayed bridge, a data processing unit connected with the sensor unit in a wireless communication way at the rear part, and a communication unit used for realizing the wireless communication between the sensor unit and the data processing unit, wherein,
the sensor unit comprises temperature and humidity sensors, an anemorumbometer, a GNSS sensor, a static level gauge, an optical fiber grating strain gauge and a vibration sensor, wherein the temperature and humidity sensors and the anemorumbometer are arranged at a main span and a bridge tower of the cable-stayed bridge; the communication unit comprises a plurality of area forwarding nodes arranged in each area of the cable-stayed bridge structure; and each sensor transmits a data signal to the data processing unit in a wireless communication mode through a region forwarding node of a corresponding region.
After the sensor collects signals, in order to realize the transmission and processing of signal data, the data processing unit comprises a data aggregation center for receiving data signals from forwarding nodes in each area, a unit monitoring center in communication connection with a wired network of the data aggregation center, a safety early warning application server and a safety early warning data information base which are in communication connection with the unit monitoring center through a wired network, and a user terminal in communication connection with the safety early warning application server through a wired or wireless network.
Furthermore, a router or a gateway and a firewall are sequentially arranged between the unit monitoring center and the safety early warning data information base.
Specifically, the user terminal comprises a terminal computer connected with the safety early warning application server through a broadband wired network, and a terminal mobile device connected with the safety early warning application server through a 4G wireless network.
In order to realize the collection of the whole state data of the bridge, the layout intervals of the temperature and humidity sensors, the anemorumbometer and the GNSS sensors in the main span of the cable-stayed bridge are all 50 meters/piece, the layout interval of the main tower of the cable-stayed bridge is 30 meters/piece, and the layout interval of the other parts of the cable-stayed bridge is 100 meters/piece; the static force level gauge, the fiber bragg grating strain gauge, the vibration sensor and the displacement sensor are arranged at a 30 m/piece arrangement interval of a main span of the cable-stayed bridge, at a 20 m/piece arrangement interval of a main tower of the cable-stayed bridge and at a 50 m/piece arrangement interval of other parts of the cable-stayed bridge; the arrangement distance of the cable force sensors on the stay cables of the cable-stayed bridge is 20 meters per cable force sensor; the vehicle monitors are arranged at the main span of the cable-stayed bridge at the interval of 10 meters per cable-stayed bridge and at other parts of the cable-stayed bridge at the interval of 200 meters per cable-stayed bridge.
The utility model relates to a cable-stayed bridge health monitoring system based on a BIM platform, which solves the problems of data dispersion, inconvenient detection and safety existing in the existing artificial bridge detection, overcomes the personnel dependence and environmental restriction, can carry out integral collection and centralized processing on bridge state information, has the specific beneficial effects that,
(1) the all-weather, full-automatic and full-life-cycle structural data acquisition, transmission and analysis can be realized;
(2) the instability of human factors is eliminated, the method is basically not limited by environmental factors, and the safety of technical personnel is effectively guaranteed.
Drawings
The utility model relates to a cable-stay bridge health monitoring system based on BIM platform is further explained below with the accompanying drawing:
fig. 1 is a framework line block diagram of a cable-stayed bridge health monitoring system based on a BIM platform.
In the figure:
1-a sensor unit; 11-a temperature and humidity sensor, 12-an anemorumbometer, 13-a GNSS sensor, 14-a hydrostatic level, 15-a fiber grating strain gauge, 16-a vibration sensor, 17-a displacement sensor, 18-a cable force sensor and 19-a vehicle monitor;
2-a data processing unit; 21-a data aggregation center, 22-a unit monitoring center, 23-a safety early warning application server, 24-a safety early warning data information base, 25-a user terminal, 26-a router or gateway and 27-a firewall;
3-a communication unit; 31-regional forwarding nodes.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Embodiment 1: as shown in FIG. 1, the cable-stayed bridge health monitoring system based on the BIM platform is characterized in that: the device comprises a sensor unit 1 arranged on each bridge structure position of a front cable-stayed bridge, a data processing unit 2 connected with the sensor unit 1 in a wireless communication mode at the rear part, and a communication unit 3 used for realizing wireless communication between the sensor unit 1 and the data processing unit 2, wherein the sensor unit 1 comprises a temperature and humidity sensor 11, an anemoscope 12, a GNSS sensor 13, a static level gauge 14, an optical fiber grating strain gauge 15 and a vibration sensor 16, which are arranged at a main span and a bridge tower of the cable-stayed bridge, displacement sensors 17, a cable force sensor 18 and a vehicle monitor 19, which are arranged at the cable-stayed bridge cable-stayed cable position and at a road embankment at the head of the cable-stayed bridge, wherein the temperature and humidity sensor 11 and the anemoscope 12 are arranged at the main span and the bridge tower of the cable-stayed bridge; the communication unit 3 comprises a plurality of area forwarding nodes 31 arranged in each area of the cable-stayed bridge structure; each sensor transmits a data signal to the data processing unit 2 in the form of wireless communication via a zone forwarding node 31 of the corresponding zone.
Embodiment 2: the cable-stayed bridge health monitoring system based on the BIM platform comprises a data aggregation center 21 used for receiving data signals from forwarding nodes 31 in each area, a unit monitoring center 22 connected with the data aggregation center 21 in a wired network communication mode, a safety early warning application server 23 and a safety early warning data information base 24 connected with the unit monitoring center 22 in a wired network communication mode, and a user terminal 25 connected with the safety early warning application server 23 in a wired or wireless communication mode. A router or gateway 26 and a firewall 27 are sequentially arranged between the unit monitoring center 22 and the safety early warning data information base 24. The user terminal 25 includes a terminal computer connected to the safety precaution application server 23 through a broadband wired network, and a terminal mobile device connected to the safety precaution application server 23 through a 4G wireless network. The method is used for realizing transmission and processing of signal data acquired by the sensor. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 3: according to the BIM platform-based cable-stayed bridge health monitoring system, the arrangement intervals of the temperature and humidity sensors 11, the anemorumbometer 12 and the GNSS sensor 13 in a main span of a cable-stayed bridge are all 50 meters/piece, the arrangement intervals of main towers of the cable-stayed bridge are 30 meters/piece, and the arrangement intervals of other parts of the cable-stayed bridge are 100 meters/piece; the static force level gauge 14, the fiber bragg grating strain gauge 15, the vibration sensor 16 and the displacement sensor 17 are arranged at a 30 m/main span of the cable-stayed bridge, the main tower of the cable-stayed bridge is arranged at a 20 m/main tower, and the other parts of the cable-stayed bridge are arranged at a 50 m/main tower; the arrangement distance of the cable force sensors 18 on the stay cables of the cable-stayed bridge is 20 meters per cable force sensor; the vehicle monitors 19 are arranged at the main span of the cable-stayed bridge at the interval of 10 m/piece, and at other parts of the cable-stayed bridge at the interval of 200 m/piece. The method is used for acquiring the whole state data of the bridge. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
And (3) running: the sensors at each monitoring position have a wireless data transmission function, the sensors acquire corresponding data signals of bridge states at each position and send the data signals to the area forwarding nodes, the area forwarding nodes transmit the data signals to the data aggregation center in a wireless communication mode, finally the data aggregation center transmits the data signals to the unit monitoring center through a wired network, the unit monitoring center transmits the data acquired in real time to a user terminal computer or a mobile phone or a panel lamp mobile device through an application server, the data signals are compared with data in a safety early warning data information base, early warning is carried out on the data exceeding a safety range, and therefore the cable-stayed bridge health monitoring system based on the BIM platform is established.
The cable-stayed bridge health monitoring system based on the BIM platform solves the problems of data dispersion, inconvenience in detection and safety of the existing artificial bridge detection, overcomes personnel dependence and environmental restriction, can carry out integral acquisition and centralized processing on bridge state information, eliminates instability of human factors on the basis of realizing all-weather, full-automatic and full-life-cycle structural data acquisition, transmission and analysis, is basically free from the restriction of environmental factors, and effectively ensures the safety of technical personnel.
The above description shows the main features, the basic principles, and the advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a cable-stay bridge health monitoring system based on BIM platform which characterized by: comprises a sensor unit (1) arranged at each bridge structure position of a front cable-stayed bridge, a data processing unit (2) with the rear part connected with the sensor unit (1) in a wireless communication way, and a communication unit (3) used for realizing the wireless communication of the sensor unit (1) and the data processing unit (2), wherein,
the sensor unit (1) comprises temperature and humidity sensors (11) and anemorumbometer (12) which are arranged at the main span and the pylon of the cable-stayed bridge, GNSS sensors (13) which are arranged at the middle span and the top of the cable-stayed bridge, a static level gauge (14), an optical fiber grating strain gauge (15) and a vibration sensor (16) which are arranged at the main structure of the cable-stayed bridge, displacement sensors (17) which are arranged at the beam end and the support of the cable-stayed bridge, a cable tension sensor (18) which is arranged at the stay cable of the cable-stayed bridge, and a vehicle monitor (19) which is arranged at the head embankment of the cable-stayed bridge;
the communication unit (3) comprises a plurality of area forwarding nodes (31) arranged in each area of the cable-stayed bridge structure;
each sensor transmits a data signal to the data processing unit (2) in a wireless communication form through a zone forwarding node (31) of the corresponding zone.
2. The BIM platform based cable-stayed bridge health monitoring system according to claim 1, wherein: the data processing unit (2) comprises a data aggregation center (21) for receiving data signals from forwarding nodes (31) in each area, a unit monitoring center (22) in wired network communication connection with the data aggregation center (21), a safety early warning application server (23) and a safety early warning data information base (24) in wired network communication connection with the unit monitoring center (22), and a user terminal (25) in wired or wireless communication connection with the safety early warning application server (23).
3. The BIM platform based cable-stayed bridge health monitoring system according to claim 2, wherein: a router or gateway (26) and a firewall (27) are sequentially arranged between the unit monitoring center (22) and the safety early warning data information base (24).
4. The BIM platform based cable-stayed bridge health monitoring system according to claim 3, wherein: the user terminal (25) comprises a terminal computer connected with the safety early warning application server (23) through a broadband wired network and a terminal mobile device connected with the safety early warning application server (23) through a 4G wireless network.
5. The BIM platform based cable-stayed bridge health monitoring system according to any one of claims 1 to 4, characterized in that: the temperature and humidity sensors (11), the anemorumbometer (12) and the GNSS sensor (13) are arranged at intervals of 50 meters per main span of the cable-stayed bridge, the main tower of the cable-stayed bridge is arranged at intervals of 30 meters per main tower, and the other parts of the cable-stayed bridge are arranged at intervals of 100 meters per main tower; the static force level gauge (14), the fiber bragg grating strain gauge (15), the vibration sensor (16) and the displacement sensor (17) are arranged at a 30 m/main span of the cable-stayed bridge, at a 20 m/main tower of the cable-stayed bridge and at other parts of the cable-stayed bridge at a 50 m/main tower; the arrangement distance of the cable force sensors (18) on the stay cables of the cable-stayed bridge is 20 meters per cable; the arrangement space of the vehicle monitor (19) at the main span of the cable-stayed bridge is 10 meters per cable-stayed bridge, and the arrangement space at other parts of the cable-stayed bridge is 200 meters per cable-stayed bridge.
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| CN202022776166.6U CN213274374U (en) | 2020-11-26 | 2020-11-26 | Cable-stayed bridge health monitoring system based on BIM platform |
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| CN202022776166.6U CN213274374U (en) | 2020-11-26 | 2020-11-26 | Cable-stayed bridge health monitoring system based on BIM platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115035694A (en) * | 2022-06-08 | 2022-09-09 | 连云港职业技术学院 | Cable-stayed bridge wind pressure monitoring and early warning system based on BIM technology and management and control method |
| CN115096494A (en) * | 2022-06-13 | 2022-09-23 | 江西省交通运输科学研究院有限公司 | Online monitoring system for cable force of large cable-stayed bridge |
-
2020
- 2020-11-26 CN CN202022776166.6U patent/CN213274374U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115035694A (en) * | 2022-06-08 | 2022-09-09 | 连云港职业技术学院 | Cable-stayed bridge wind pressure monitoring and early warning system based on BIM technology and management and control method |
| CN115096494A (en) * | 2022-06-13 | 2022-09-23 | 江西省交通运输科学研究院有限公司 | Online monitoring system for cable force of large cable-stayed bridge |
| CN115096494B (en) * | 2022-06-13 | 2024-03-19 | 江西省交通运输科学研究院有限公司 | Large-scale cable-stayed bridge cable force on-line monitoring system |
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