CN219103970U - Maintenance-free bridge displacement automatic monitoring and alarming device - Google Patents
Maintenance-free bridge displacement automatic monitoring and alarming device Download PDFInfo
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- CN219103970U CN219103970U CN202223206053.8U CN202223206053U CN219103970U CN 219103970 U CN219103970 U CN 219103970U CN 202223206053 U CN202223206053 U CN 202223206053U CN 219103970 U CN219103970 U CN 219103970U
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Abstract
The utility model relates to a maintenance-free bridge displacement automatic monitoring and alarming device, which comprises a transverse displacement meter, a longitudinal displacement meter, an interface conversion module, a micro-processing module, a wireless communication module, a power supply control module and a power supply module, wherein the transverse displacement meter is connected with the longitudinal displacement meter; the transverse displacement meter and the longitudinal displacement meter are connected with the micro-processing module and are respectively used for measuring the transverse displacement data and the longitudinal displacement data of the bridge and sending the measurement data to the micro-processing module; the micro-processing module is connected with the wireless communication module through the interface conversion module and is used for sending the measurement data and the alarm information to the remote analysis platform through the wireless communication module; the power supply module is connected with the micro-processing module through the power supply control module and is used for providing power for each module. The utility model can automatically measure the longitudinal and transverse displacement of the bridge girder relative to the bridge pier, and upload the measured data to the analysis platform through the wireless network for analyzing the trend of the bridge girder displacement change, and automatically alarm when the displacement exceeds the normal range.
Description
Technical Field
The utility model belongs to the technical field of railway bridge displacement monitoring, and particularly relates to an automatic maintenance-free bridge displacement monitoring and alarming device.
Background
Railroad bridges are structures where a railway crosses a river, lake, strait, valley or other obstacle, and are constructed to achieve a three-dimensional intersection of a railway line with a railway or highway. In particular to a high-speed railway, the bridge ratio is close to half of the total length of the line.
Because the load of the railway is large, the impact force is large, the driving density is large, the bridge beam body can deviate, the smoothness of the railway line is affected, and driving accidents can be seriously caused, the deviation of the beam body is required to be monitored, and beam adjustment and deviation correction work is carried out according to relevant maintenance rules.
At present, a mode of manual inspection is mainly adopted for monitoring the beam body deflection of the railway bridge, cursors and scales are respectively arranged on the beam body and the bridge pier, the displacement indicated by the cursors on the scales is observed regularly, and when the displacement exceeds the displacement range specified in the maintenance rule, beam adjustment and deviation correction work is arranged.
The manual inspection mode has the advantages of large workload, low working efficiency, long inspection interval time, no data retention, difficulty in intelligent analysis and incapability of meeting the informatization and intellectualization requirements of modern railway construction, operation and maintenance.
Disclosure of Invention
The utility model aims to provide a maintenance-free automatic bridge displacement monitoring and alarming device which is used for automatically measuring the longitudinal and transverse displacement of a bridge girder relative to a bridge pier, uploading measurement data to an analysis platform through a wireless network (private network or public network) for analyzing the trend of the bridge girder displacement change and automatically alarming when the displacement exceeds a normal range.
The utility model provides a maintenance-free bridge displacement automatic monitoring and alarming device, which comprises a transverse displacement meter, a longitudinal displacement meter, an interface conversion module, a micro-processing module, a wireless communication module, a power supply control module and a power supply module, wherein the transverse displacement meter is connected with the longitudinal displacement meter;
the transverse displacement meter and the longitudinal displacement meter are fixed at the bottom of the beam body, and measuring rods of the transverse displacement meter and the longitudinal displacement meter respectively prop against the transverse surface and the longitudinal surface of the angle steel arranged on the bridge pier;
the transverse displacement meter and the longitudinal displacement meter are connected with the micro-processing module, and are respectively used for measuring the transverse displacement data and the longitudinal displacement data of the bridge and sending the measurement data to the micro-processing module;
the micro-processing module is connected with the wireless communication module through the interface conversion module and is used for sending the measurement data and the alarm information to a remote analysis platform through the wireless communication module;
the power supply module is connected with the micro-processing module through the power supply control module and is used for providing power for the transverse displacement meter, the longitudinal displacement meter, the interface conversion module, the micro-processing module and the wireless communication module.
Further, the transverse displacement meter and the longitudinal displacement meter are connected with the micro-processing module through data lines and control lines.
Further, the micro-processing module is connected with the interface conversion module through a data bus, a control bus and an address bus, and the interface conversion module is connected with the wireless communication module through an RS485 bus.
Further, the power supply module is connected with the power supply control module through a power line, and the power supply control module is connected with the micro-processing module through a control bus.
Further, the power supply module adopts a disposable battery.
Further, the interface conversion module, the microprocessor module, the wireless communication module, the power control module and the power supply module are arranged in the shell.
By means of the scheme, the automatic monitoring and alarming device for the bridge displacement without maintenance has the following technical effects:
1) The automatic on-line monitoring can be realized, the problems of low working efficiency, long inspection interval time and the like of manual inspection are solved, and the workload is reduced.
2) Through continuous measurement and data uploading, the problem that no data is reserved in manual inspection is solved, a data base is provided for intelligent analysis, scientific basis is provided for reasonably arranging maintenance plans, and the requirements of digitization and informatization of bridge operation and maintenance are met.
3) The device can automatically alarm the displacement beyond the range, and meets the intelligent requirements of bridge operation and maintenance.
4) The low-power-consumption power supply control technology is adopted, so that the device can be operated for more than 5 years without maintenance, the low-carbon energy-saving requirement is met, and the workload of operation and maintenance personnel is avoided.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
FIG. 1 is a block diagram of the maintenance-free bridge displacement automatic monitoring and alarming device.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1, the embodiment provides an automatic maintenance-free bridge displacement monitoring and alarming device, which comprises a transverse displacement meter 1, a longitudinal displacement meter 2, an interface conversion module 3, a micro-processing module 4, a wireless communication module 5, a power supply control module 6 and a power supply module 7; the transverse displacement meter 1 and the longitudinal displacement meter 2 are fixed at the bottom of the beam body, and measuring rods of the transverse displacement meter 1 and the longitudinal displacement meter 2 respectively prop against the transverse surface and the longitudinal surface of the angle steel arranged on the bridge pier; the transverse displacement meter 1 and the longitudinal displacement meter 2 are connected with the micro-processing module 4 and are respectively used for measuring the transverse displacement data and the longitudinal displacement data of the bridge and sending the measurement data to the micro-processing module 4; the micro-processing module 4 is connected with the wireless communication module 5 through the interface conversion module 3 and is used for sending the measurement data and the alarm information to the remote analysis platform through the wireless communication module 5; the power supply module 7 is connected with the micro-processing module 4 through the power supply control module 6 and is used for providing power for the modules (the transverse displacement meter 1, the longitudinal displacement meter 2, the interface conversion module 3, the micro-processing module 4 and the wireless communication module 5).
The device main part is fixed on the pier, fixes transverse displacement meter and vertical displacement meter in the roof beam body bottom to make the measuring staff withstand the two sides of the angle steel of installing on the pier respectively, displacement meter model is FTWY-50, can realize the sub-millimeter high accuracy measurement of bridge displacement, when the bridge roof beam body takes place the displacement, can drive the displacement meter (spring displacement meter) that fixes on the roof beam body and remove, and the angle steel of fixing on the pier is motionless, forces the measuring staff of displacement meter to stretch out and draw back, thereby obtains the flexible volume, i.e. displacement volume. In other examples, a displacement meter such as a fiber bragg grating or a pull wire may be used instead of the spring type displacement meter of the present embodiment. The transverse displacement meter and the longitudinal displacement meter measure transverse and longitudinal displacement data of the bridge according to the configurable data measurement interval time, and send the measurement data to the analysis platform through the wireless communication module (model: ML 7810-M) according to the configurable data transmission interval time. The micro-processing module adopts an STC8H1K08S2 singlechip, a threshold discrimination mechanism is introduced through edge calculation, the real-time discrimination and real-time alarm function of measured data are realized, the transverse and longitudinal displacement data are compared and discriminated with a configurable normal position range while measuring, and if the measured data exceed the range, an alarm is generated and immediately sent to an analysis platform without waiting for a sending interval time. The power supply module 7 is powered by a disposable battery (or a cable or solar battery power supply mode), the model number of the power supply control module is AMS-SEMITECH AMS1117+ CHIPSTAR CS E, and during the working period, the working states (working, dormancy, shutdown, awakening and the like) of the modules are automatically controlled, so that the low-power-consumption operation is realized, and the requirement of maintenance-free working for more than 5 years is met.
In the present embodiment, the lateral displacement meter 1 and the longitudinal displacement meter 2 are connected to the microprocessor module 4 via data lines and control lines.
In this embodiment, the microprocessor module 4 is connected to the interface conversion module 3 through a data bus, a control bus and an address bus, and the interface conversion module 3 is connected to the wireless communication module 5 through an RS485 bus.
In this embodiment, the power supply module 7 is connected to the power supply control module 6 through a power line, and the power supply control module 6 is connected to the microprocessor module 4 through a control bus.
In this embodiment, the interface conversion module 3, the microprocessor module 4, the wireless communication module 5, the power control module 6, and the power supply module 7 are installed in the housing.
The maintenance-free bridge displacement automatic monitoring and alarming device has the following technical effects:
1) The automatic on-line monitoring can be realized, the problems of low working efficiency, long inspection interval time and the like of manual inspection are solved, and the workload is reduced.
2) Through continuous measurement and data uploading, the problem that no data is reserved in manual inspection is solved, a data base is provided for intelligent analysis, scientific basis is provided for reasonably arranging maintenance plans, and the requirements of digitization and informatization of bridge operation and maintenance are met.
3) The device can automatically alarm the displacement beyond the range, and meets the intelligent requirements of bridge operation and maintenance.
4) By adopting the low-power-consumption power supply control technology, the device can be operated for 5+ years without maintenance, thereby meeting the requirements of low carbon and energy conservation, and simultaneously avoiding the increase of the workload of operation and maintenance personnel.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (6)
1. The maintenance-free bridge displacement automatic monitoring and alarming device is characterized by comprising a transverse displacement meter (1), a longitudinal displacement meter (2), an interface conversion module (3), a micro-processing module (4), a wireless communication module (5), a power supply control module (6) and a power supply module (7);
the transverse displacement meter (1) and the longitudinal displacement meter (2) are fixed at the bottom of the beam body, and measuring rods of the transverse displacement meter (1) and the longitudinal displacement meter (2) respectively prop against the transverse surface and the longitudinal surface of the angle steel arranged on the bridge pier;
the transverse displacement meter (1) and the longitudinal displacement meter (2) are connected with the micro-processing module (4) and are respectively used for measuring transverse displacement data and longitudinal displacement data of the bridge and sending the measurement data to the micro-processing module (4);
the micro-processing module (4) is connected with the wireless communication module (5) through the interface conversion module (3) and is used for sending measurement data and alarm information to a remote analysis platform through the wireless communication module (5);
the power supply module (7) is connected with the micro-processing module (4) through the power supply control module (6) and is used for providing power for the transverse displacement meter (1), the longitudinal displacement meter (2), the interface conversion module (3), the micro-processing module (4) and the wireless communication module (5).
2. The maintenance-free bridge displacement automatic monitoring and alarming device according to claim 1, wherein the transverse displacement meter (1) and the longitudinal displacement meter (2) are connected with the micro-processing module (4) through data lines and control lines.
3. The maintenance-free bridge displacement automatic monitoring and alarming device according to claim 1, wherein the micro-processing module (4) is connected with the interface conversion module (3) through a data bus, a control bus and an address bus, and the interface conversion module (3) is connected with the wireless communication module (5) through an RS485 bus.
4. The maintenance-free bridge displacement automatic monitoring and alarming device according to claim 1, wherein the power supply module (7) is connected with the power supply control module (6) through a power line, and the power supply control module (6) is connected with the micro-processing module (4) through a control bus.
5. The maintenance-free bridge displacement automatic monitoring and warning device according to claim 1, characterized in that the power supply module (7) employs a disposable battery.
6. The maintenance-free bridge displacement automatic monitoring and alarming device according to claim 1, wherein the interface conversion module (3), the micro-processing module (4), the wireless communication module (5), the power supply control module (6) and the power supply module (7) are arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223206053.8U CN219103970U (en) | 2022-11-29 | 2022-11-29 | Maintenance-free bridge displacement automatic monitoring and alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223206053.8U CN219103970U (en) | 2022-11-29 | 2022-11-29 | Maintenance-free bridge displacement automatic monitoring and alarming device |
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| Publication Number | Publication Date |
|---|---|
| CN219103970U true CN219103970U (en) | 2023-05-30 |
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| CN202223206053.8U Active CN219103970U (en) | 2022-11-29 | 2022-11-29 | Maintenance-free bridge displacement automatic monitoring and alarming device |
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| CN (1) | CN219103970U (en) |
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