CN206609584U - The quick monitoring system of bridge load limit based on dynamic deflection - Google Patents
The quick monitoring system of bridge load limit based on dynamic deflection Download PDFInfo
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- CN206609584U CN206609584U CN201720149031.2U CN201720149031U CN206609584U CN 206609584 U CN206609584 U CN 206609584U CN 201720149031 U CN201720149031 U CN 201720149031U CN 206609584 U CN206609584 U CN 206609584U
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Abstract
A kind of quick monitoring system of bridge load limit based on dynamic deflection, including the bridge dynamic deflection monitoring modular for measuring bridge gradient in real time, the collecting vehicle information module of bridge vehicle-related information is identified by for monitoring, for calculating maximum recessed deflection value during vehicle traveling, and by comparing, it is simultaneously emitted by the data processing module of warning information, the information alarm module that transfinites for showing overrun vehicle relevant information according to warning information, remote data sending module for sending overrun vehicle relevant information, for the remote data receiving module for receiving the vehicle-related information of overrun vehicle and being preserved.The utility model can Fast Installation, without blocking traffic；Without detection in advance and the actual bearer ability of assessment monitoring bridge；There is the limit for tonnage monitoring of the highway bridge of damage available for old highway bridge or meizoseismal area, reduce the generation of bridge collapse event.
Description
Technical field
The utility model is related to a kind of monitoring system, is quickly supervised specifically, being related to a kind of bridge load limit based on dynamic deflection
Whether examining system, the overall equivalent weight of truck that bridge is run over for recognizing has exceeded the actual safe bearing load scope of bridge, from
And limit for tonnage monitoring is carried out to the bridge that old bridge or meizoseismal area have damage.
Background technology
Bridge load limit monitoring is to ensure that the bridge that there is damage after old bridge or macroseism continues the important means used safely.
Existing monitoring method is mainly based upon Dynamic Weighing Technology to realize bridge load limit, and its principle is by measuring vehicle in traveling
Front and rear tire pressure estimate the weight of vehicle stationary state.Dynamic load bearing system generally comprise a series of pressure inductors and
Equipment data acquisition analyzing.Mainly there are quartz resonance, pressure drag bended plate type, piezoelectricity currently used for the pressure sensor of dynamic weighing
Diaphragm type etc..Quartz resonance, pressure drag bending plate type sensor are traditional pressure sensor, technology maturation but are existed expensive
With dynamic response it is slow the shortcomings of, Modern High-Speed Highway Weigh-in-Motion Systems application in be very restricted.Piezoelectric membrane is passed
Sensor, it is shown that outstanding advantage, occupies very big market application, regrettably, it still has price costly, accurately
The shortcomings of degree is relatively low, high on site operation requirement degree, Sensor temperature drift is larger, cross force is larger on sensor influence.
The advantage of Dynamic Weighing Technology is not influence normal vehicle operation in weighing process, but there is also obvious shortcoming,
Specifically, inductor needs to be covered with below each track, installs and debugging trouble, the bridge being particularly on active service.In addition
Realize that the method for bridge load limit is based only on single load permissible value to judge whether current truck surpasses based on Dynamic Weighing Technology
Carry, it is therefore desirable to which accurate evaluation goes out old bridge or there is the actual bearer ability of the bridge of damage, and does not consider that truck travels position
Put the incorrect and incorrect destruction caused of speed.
Therefore, the cost of measurement how is reduced, the limit for tonnage ability for bridge is disposably measured, so that simple
Just the limit for tonnage efficiently to bridge judges, the technical problem as prior art urgent need to resolve.
Utility model content
In view of this, the purpose of this utility model be for some old highway bridges provide it is a set of can Fast Installation limit for tonnage prison
Examining system, it is ensured that these old bridges are not crushed by heavy truck.Another purpose of the present utility model be for macroseism occur after,
To that may occur damaging under severe earthquake action but because of a large amount of highway bridge Fast Installations one in earthquake region that disaster relief demand must be continuing with
Cover limit for tonnage monitoring system, it is ensured that disaster relief haulage truck safe passing and disaster relief lifeline it is unimpeded.
Specifically,
Supervised the utility model discloses a kind of quick monitoring system of the bridge load limit based on dynamic deflection, including bridge dynamic deflection
Module 1, data processing module 2, collecting vehicle information module 3, and the information alarm module 4 that transfinites are surveyed,
Wherein described bridge dynamic deflection monitoring modular 1, dynamic deflection change is monitored during for passing through bridge to vehicle, is obtained
To the dynamic deflection data at bridge each moment；
Collecting vehicle information module 3, for being acquired to the vehicle-related information that vehicle is travelled on bridge；
Data processing module 2, connects with the bridge dynamic deflection monitoring modular 1 and the collecting vehicle information module 3 respectively
Connect, for receiving the dynamic deflection data and described vehicle-related information at bridge each moment respectively, and pass through multilevel iudge vehicle
Whether transfinite, and the vehicle-related information is sent to the information alarm module 4 that transfinites；
The information that transfinites alarm module 4, for the vehicle-related information received and display data processing module 2 is transmitted.
Further, the bridge dynamic deflection monitoring modular includes multiple beam body gradient inductive pick-ups 11 and a number
According to collection submodule 12, the beam body gradient inductive pick-up 11 is arranged at multiple key positions of bridge beam body, is gathered
The fore-and-aft tilt degree of the key position, the fore-and-aft tilt degree by each monitoring point of the synchronous acquisition of data-acquisition submodule 12, and root
The dynamic deflection data for obtaining bridge each moment are calculated according to the fore-and-aft tilt degree.
Further, the beam body gradient inductive pick-up 11 is servo-type inclinator, and the key position is at least 5
It is individual.
Further, the collecting vehicle information module 2 includes multiple cameras, image recognizer and corresponding shooting
Machine fixing device, installs 1 video camera on each track, and vehicle-related information during vehicle current to bridge floor, which is monitored, to be adopted
Collection.
Further, the license plate number of the vehicle-related information including vehicle, vehicle, tire quantity, traveling-position and
Traveling lane.
Further, the information alarm module 4 that transfinites includes field display screen.
Further, the monitoring system also includes power supply module 5, for providing power supply to whole monitoring system.
Further, the power supply module 5 is solar powered module, including solar panels, charging-discharging controller, electric power storage
Pond and corresponding fixed mount.
Further, the monitoring system also includes remote data sending module 6 and remote data receiving module 7, described
Remote data sending module 6 is used to transmit the vehicle-related information of overrun vehicle to the remote data receiving module 7,
The remote data receiving module 7 is used for the vehicle-related information for receiving the overrun vehicle remotely sent, and is preserved.
Further, the remote data sending module 6 includes wireless data transmission unit DTU and 4G cell phone card；It is described
Remote data receiving module 7 includes server and database.
The utility model differentiates whether the truck equivalent weight of current bridge exceedes bridge based on dynamic deflection maximum
Actual safe bearing capacity, rather than first judge the load-carrying of vehicle, then differentiate whether truck weight transfinites.Relative to existing skill
Art, the utility model has the following advantages：
(1) can Fast Installation, without blocking traffic；
(2) the actual bearer ability of bridge is monitored without detection in advance and assessment；
(3) it can be used for old highway bridge or meizoseismal area to there is the limit for tonnage monitoring of the highway bridge of damage, reduce bridge collapse
The generation of event.
Brief description of the drawings
By description referring to the drawings to the utility model embodiment, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 is the mould of the quick monitoring system of the bridge load limit based on dynamic deflection according to specific embodiment of the utility model
Block schematic diagram；
Fig. 2 is the schematic diagram of the bridge dynamic deflection monitoring modular according to specific embodiment of the utility model；
Fig. 3 is the fast slowdown monitoring system of the bridge load limit based on dynamic deflection according to another specific embodiment of the present utility model
The testing process of system.
1st, bridge dynamic deflection monitoring modular；2nd, data processing module；3rd, collecting vehicle information module；4th, the information that transfinites is warned
Module；5th, power supply module；6th, remote data sending module；7th, remote data receiving module；11st, beam body gradient sensing sensing
Device；12nd, data-acquisition submodule.
Embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.
In bridge health monitoring system and loading test, deformation is an extremely important index.Amount of deflection is used as deformation
A kind of description form, can evaluate bridge quality and operation state, reflect the rigidity of bridge, be that bridge overall deformation is most obvious
Reaction.The especially dynamic deflection of bridge, even more bridge stiffness reacts the most in real time, be bridge under Vehicle Load most
For real reaction.Under Vehicle Load, bridge structure is by the generation deformation bigger than under the effect of identical dead load and answers
Power.Therefore, vehicle is measured by the dynamic deflection of bridge during bridge, by the dynamic deflection maximum and bridge dynamic deflection of change
Design safety permissible value is compared, and can rapidly judge whether bridge load transfinites.And the measurement letter of bridge dynamic deflection
Just, quickly, without blocking traffic.
Embodiment 1：
Referring to Fig. 1, show and quickly supervised according to the bridge load limit based on dynamic deflection of specific embodiment of the utility model
The module diagram of examining system.The quick monitoring system of the bridge load limit includes bridge dynamic deflection monitoring modular 1, data processing module
2, collecting vehicle information module 3, and the information alarm module 4 that transfinites,
Wherein described bridge dynamic deflection monitoring modular 1, dynamic deflection change is monitored during for passing through bridge to vehicle, is obtained
To the dynamic deflection data at bridge each moment；
Collecting vehicle information module 3, for being acquired to the vehicle-related information that vehicle is travelled on bridge.It is exemplary
, the vehicle-related information includes license plate number, vehicle, tire quantity, traveling-position and the traveling lane of vehicle.
Data processing module 2, connects with the bridge dynamic deflection monitoring modular 1 and the collecting vehicle information module 3 respectively
Connect, for receiving the dynamic deflection data and described vehicle-related information at bridge each moment respectively, and pass through multilevel iudge vehicle
Whether transfinite, and the vehicle-related information is sent to the information alarm module 4 that transfinites；
The information that transfinites alarm module 4, the vehicle-related information for receiving the transmission of data processing module 2, and in phase
The vehicle-related information of position display overrun vehicle is answered, to reach prompting car owner, or prompting road supervision and management personnel
Carry out corresponding safe handling.
Corresponding position, can be the position that related personnel easily has found or observed, for example, can be in bridge
End of the bridge.Therefore, the utility model to vehicle by the dynamic deflection of bridge during bridge by being measured, by the dynamic deflection of change
Maximum is compared with bridge dynamic deflection design safety permissible value, can rapidly judge whether bridge load transfinites.
Specifically, data processing module 2, respectively with the bridge dynamic deflection monitoring modular 1 and the collecting vehicle information
Module 3 is connected, for receiving the dynamic deflection data at bridge each moment and the relevant information of vehicle respectively, according to the bridge it is each when
The dynamic deflection data at quarter, calculate maximum recessed deflection value during vehicle traveling, and by maximum recessed deflection value and bridge security
Design amount of deflection permissible value is compared, if in the range of bridge security design amount of deflection permissible value, judging that vehicle does not transfinite, such as
Fruit designs amount of deflection permissible value beyond bridge security, then judges vehicle overload, sends information warning, preserves the vehicle correlation letter
Breath, and the vehicle-related information of overrun vehicle is sent to the information alarm module 4 that transfinites.
Further, referring to Fig. 2, the exemplary module map of bridge dynamic deflection monitoring modular, the bridge moving are shown
Deflection monitoring module includes multiple beam body gradient inductive pick-ups 11 and a data-acquisition submodule 12, and the beam body is tilted
Degree inductive pick-up 11 is arranged at multiple key positions of beam body, the fore-and-aft tilt degree of the key position is gathered, by data
The fore-and-aft tilt degree of the synchronous acquisition of submodule 12 each monitoring point is gathered, and calculates according to dynamic fore-and-aft tilt degree that to obtain bridge each
The dynamic deflection data at moment.
Exemplary, the beam body gradient inductive pick-up 11 is high-precision servo formula inclinator, the key position
For at least five, at the key position that the high-precision servo formula inclinator is arranged in box beam, collected by data collecting instrument
The fore-and-aft tilt degree of each monitoring point, and data processing module 2 is sent to, the data processing module 2 is to each fore-and-aft tilt degree
Data carry out Digital Signal Processing and filtering, and digital dynamic inclination signal is obtained into beam body each moment based on digital integration model
Whole across dynamic deflection curve, and obtain vehicle by the maximum dynamic deflection value in whole process, i.e., maximum recessed deflection value.
The data processing module 2 can use G01NET bridge movings of the prior art when calculating bridge dynamic deflection
Deflection monitoring software, voluntarily can also write correlation computations program to realize.The quantity of key position and specific position can
Set with the actual conditions according to bridge.For example, when setting, being evenly arranged according to the length of monitored beam body, use
Cement is firmly fixed on the concrete of box beam bottom surface.
The collecting vehicle information module 2 includes multiple cameras, image recognizer and corresponding video camera and fixes dress
Put, 1 video camera is installed on each track, relevant information during vehicle current to bridge floor is monitored collection, when vehicle warp
Out-of-date, collecting vehicle information module 2 is carried out by camera acquisition image information, and using image recognizer to the image of collection
Image recognition processing, obtains the vehicle-related information, and be transferred to the data processing module 2.
The information that transfinites alarm module 4, including field display screen, for example, can field use water proof type warning LED show
Screen, the alarm module 4 can be arranged on end of the bridge, can also be arranged on the relevant position in inspection post.
Further, also with power supply module 5, for providing power supply to whole monitoring system.In fig. 2, it is merely exemplary
The power supply module 5 that marks electrically connected with data processing module 2, but this is only merely illustrative, power supply module 5 also with monitoring system
Other modules are electrically connected.
Exemplary, the power supply module 5 is solar powered module, including solar panels, charging-discharging controller, electric power storage
Pond and corresponding fixed mount.
Further, the monitoring system also includes remote data sending module 6 and remote data receiving module 7, described
Remote data sending module 6 is used to transmit the vehicle-related information of overrun vehicle to the remote data receiving module 7,
The remote data receiving module 7 is used for the described vehicle-related information for receiving the overrun vehicle remotely sent, and is protected
Deposit.
Exemplary, the form that the remote data sending module 6 can be wireless or wired is transmitted, for example, bag
Include wireless data transmission unit (Data Transfer unit DTU) and 4G cell phone card；The remote data receiving module 7 is wrapped
Server and database are included, server receives the vehicle-related information of overrun vehicle, and is stored in database.
Embodiment 2：
The present embodiment, shows the specific component devices of monitoring system, and the corresponding course of work.
Beam body gradient induction module 1：Using more than 5 high-precision servo-type inclinators, such as QY types inclinator, as
Beam body dynamic tilt degree measurement sensor.The beam body dynamic tilt degree measurement sensor is arranged in box beam, according to monitored
The length of beam body is evenly arranged, on the concrete that box beam bottom surface is firmly fixed at using cement.
Data-acquisition submodule 12：Using 24 high-precise synchronization data collecting instruments, such as G01NET-2 types dynamic data
Acquisition Instrument, sample frequency is set to below 20Hz.
Data processing module 2：Using ARM10 chips as core, supporting peripheral resistance and electric capacity are constituted；Or use low-power consumption
Microcomputer, such as industrial PC GK1037.
Collecting vehicle information module 3：Using LHC-S02 information of vehicles monitor terminals, then supporting many wireless network intelligents
Camera, such as LS-C4 types camera.
The information that transfinites alarm module 4：Using can the water proof type that uses of field warn LED display, such as Wei Sian DT types
Caution device.
Solar powered module 5：By one piece of 200W solar cell, 12V200AHQ lead-acid accumulators, a charge and discharge
The electric controller such as supporting cabinet such as C2C1R2 high current charge-discharges module and installation shelf are constituted.Voltage stabilizing module, example can be included
Such as use U250W Voltage stabilizing modules.
Data remote transmission module 6：Use the wireless moulds of DRF2617A-ZigBee being made up of CC2530 chips for core
Block.
Remote data receiving module 7：1 fixed IP or the office in unit are arranged using a set of common computer, and by computer
Mapping one is to external port in the net of domain, then installs a set of vehicle information management software for possessing SQL network data bases, such as U.S. spring
MQ-DZ vehicle information management softwares.
Referring to Fig. 3, the idiographic flow being monitored using the monitoring system is shown.
First, the safe permissible value for obtaining deflection of bridge span design is inquired about based on design data, and is stored in data processing mould
Block 2.
At the same time, when load-carrying vehicle passes through bridge, bridge dynamic deflection monitoring modular 1 and collecting vehicle information module 3
The dynamic deflection and information of vehicles of bridge are acquired respectively.
Bridge dynamic deflection monitoring modular 1 sets high-precision servo-type inclinator at 5 key positions of beam body, collection
The fore-and-aft tilt degree of the key position, the fore-and-aft tilt degree by each monitoring point of the synchronous acquisition of data-acquisition submodule 12, concurrently
Data processing module 2 is given, the data processing module 2 carries out Digital Signal Processing and filter to each fore-and-aft tilt degrees of data
Ripple, digital dynamic inclination signal is obtained based on digital integration model whole across the dynamic deflection curve at beam body each moment, so as to obtain
Maximum of the pick-up in by whole process is dynamic to scratch value.
Collecting vehicle information module 3 installs 1 video camera on each track, relevant information during vehicle current to bridge floor
Collection is monitored, when vehicle passes through, collecting vehicle information module 2 utilizes image by camera acquisition image information
Identifier carries out image recognition processing to the image of collection, obtains the vehicle-related information, and be transferred to the data processing
Module 2.
Data processing module 2 is compared the maximum recessed dynamic value of scratching measured in real time with bridge security design amount of deflection permissible value
Compared with, judge its ratio, if ratio be less than or equal to 1, illustrate bridge security design amount of deflection permissible value in the range of, judge vehicle
Do not transfinite；If ratio is more than 1, illustrates to design amount of deflection permissible value beyond bridge security, judge vehicle overload, send warning letter
Breath, is sent to the information alarm module 4 that transfinites, information alarm module 4 is shown in end of the bridge by transfiniting by the vehicle-related information
Show, and preserve the vehicle-related information, the vehicle-related information is transmitted by remote data sending module 6 remote to data
Journey receiving module 7, is received and is preserved remotely by the remote data receiving module 7.
Therefore, the utility model differentiates whether the truck equivalent weight of current bridge exceedes bridge based on dynamic deflection maximum
The actual safe bearing capacity of beam, is not the load-carrying for first judging vehicle, then differentiates whether truck weight transfinites.Relative to existing
Technology, the utility model has the following advantages：
(1) can Fast Installation, without blocking traffic；
(2) the actual bearer ability of bridge is monitored without detection in advance and assessment；
(3) it can be used for old highway bridge or meizoseismal area to there is the limit for tonnage monitoring of the highway bridge of damage, reduce bridge collapse
The generation of event.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this area
For technical staff, the utility model can have various changes and change.All institutes within spirit of the present utility model and principle
Any modification, equivalent substitution and improvements of work etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of quick monitoring system of bridge load limit based on dynamic deflection, it is characterised in that：
The quick monitoring system of bridge load limit includes bridge dynamic deflection monitoring modular (1), data processing module (2), vehicle letter
Acquisition module (3) and the information alarm module (4) that transfinites are ceased,
Wherein described bridge dynamic deflection monitoring modular (1), dynamic deflection change is monitored during for passing through bridge to vehicle, is obtained
The dynamic deflection data at bridge each moment；
Collecting vehicle information module (3), for being acquired to the vehicle-related information that vehicle is travelled on bridge；
Data processing module (2), respectively with the bridge dynamic deflection monitoring modular (1) and the collecting vehicle information module (3)
Connection, for receiving the dynamic deflection data and described vehicle-related information at bridge each moment respectively, and passes through multilevel iudge car
Whether transfinite, and the vehicle-related information is sent to the information alarm module (4) that transfinites；
The information that transfinites alarm module (4), the vehicle correlation letter for receiving and showing the data processing module (2) transmission
Breath.
2. the quick monitoring system of bridge load limit according to claim 1, it is characterised in that：
The bridge dynamic deflection monitoring modular includes multiple beam body gradient inductive pick-ups (11) and a data acquisition submodule
Block (12), the beam body gradient inductive pick-up (11) is arranged at multiple key positions of bridge beam body, gathers described close
The fore-and-aft tilt degree of key position, the fore-and-aft tilt degree by data-acquisition submodule (12) each monitoring point of synchronous acquisition, and according to institute
State fore-and-aft tilt degree and calculate the dynamic deflection data for obtaining bridge each moment.
3. the quick monitoring system of bridge load limit according to claim 2, it is characterised in that：
The beam body gradient inductive pick-up (11) is servo-type inclinator, and the key position is at least five.
4. the quick monitoring system of bridge load limit according to claim 1, it is characterised in that：
The collecting vehicle information module (3) includes multiple cameras, image recognizer and corresponding camera fixing device,
1 video camera is installed on each track, vehicle-related information during vehicle current to bridge floor is monitored collection.
5. the quick monitoring system of bridge load limit according to claim 4, it is characterised in that：
The vehicle-related information includes license plate number, vehicle, tire quantity, traveling-position and the traveling lane of vehicle.
6. the quick monitoring system of bridge load limit according to claim 1, it is characterised in that：
The information alarm module (4) that transfinites includes field display screen.
7. the quick monitoring system of bridge load limit according to claim 1, it is characterised in that：
The monitoring system also includes power supply module (5), for providing power supply to whole monitoring system.
8. the quick monitoring system of bridge load limit according to claim 7, it is characterised in that：
The power supply module (5) is solar powered module, including solar panels, charging-discharging controller, battery and corresponding
Fixed mount.
9. the quick monitoring system of bridge load limit according to claim 1, it is characterised in that：
The monitoring system also includes remote data sending module (6) and remote data receiving module (7), the remote data hair
Module (6) is sent to be used to transmit the vehicle-related information of overrun vehicle to the remote data receiving module (7), the number
It is used for the vehicle-related information for receiving the overrun vehicle remotely sent according to long-range receiving module (7), and is preserved.
10. the quick monitoring system of bridge load limit according to claim 9, it is characterised in that：
The remote data sending module (6) includes wireless data transmission unit (DTU) and 4G cell phone card；
The remote data receiving module (7) includes server and database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149031.2U CN206609584U (en) | 2017-02-17 | 2017-02-17 | The quick monitoring system of bridge load limit based on dynamic deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149031.2U CN206609584U (en) | 2017-02-17 | 2017-02-17 | The quick monitoring system of bridge load limit based on dynamic deflection |
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ID=60168156
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| CN201720149031.2U Expired - Fee Related CN206609584U (en) | 2017-02-17 | 2017-02-17 | The quick monitoring system of bridge load limit based on dynamic deflection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644326A (en) * | 2017-02-17 | 2017-05-10 | 中国地震局工程力学研究所 | Bridge load limit fast monitoring system based on dynamic deflection |
| KR20210097365A (en) * | 2020-01-30 | 2021-08-09 | 한국도로공사 | Apparatus for monitering bridge and method using the same |
-
2017
- 2017-02-17 CN CN201720149031.2U patent/CN206609584U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644326A (en) * | 2017-02-17 | 2017-05-10 | 中国地震局工程力学研究所 | Bridge load limit fast monitoring system based on dynamic deflection |
| KR20210097365A (en) * | 2020-01-30 | 2021-08-09 | 한국도로공사 | Apparatus for monitering bridge and method using the same |
| KR102317011B1 (en) * | 2020-01-30 | 2021-10-26 | 한국도로공사 | Apparatus for monitering bridge and method using the same |
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