CN202372324U - Deflection data on-site collecting device for bridge monitoring - Google Patents
Deflection data on-site collecting device for bridge monitoring Download PDFInfo
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- CN202372324U CN202372324U CN2011205705570U CN201120570557U CN202372324U CN 202372324 U CN202372324 U CN 202372324U CN 2011205705570 U CN2011205705570 U CN 2011205705570U CN 201120570557 U CN201120570557 U CN 201120570557U CN 202372324 U CN202372324 U CN 202372324U
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- deflection sensor
- bridge
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Abstract
The utility model discloses a deflection data on-site collecting device for bridge monitoring, which comprises a deflection sensor assembly, an analog to digital (A/D) converter, a central processing unit (CPU) processing module, a memory, a displayer and a power supply module, wherein the deflection sensor assembly is used for monitoring deflection of a bridge, the A/D converter is connected with the deflection sensor assembly and used for converting analog signals monitored by the deflection sensor assembly into digital signals, the CPU processing module is connected with the A/D converter and used for performing analysis processing to the digital signals converted by the A/D converter, the memory is connected with the CPU processing module, the displayer is used for displaying data acquisition results, and the power supply module is used for supplying power to each power-utilization unit. The deflection data on-site collecting device is simple in structure, reasonable in design, reliable in performance and convenient to use and install. A high-precision microsensor which is high in sensitivity and short in response time is adopted, and the deflection data on-site collecting device is shockproof, waterproof and strong in disturbance resistance, guarantees credibility of data, can facilitate the data acquisition results, avoids occurrence of massive redundant data, is not subjected to limitation of heavy weather and is wide in applicability.
Description
Technical field
The utility model belongs to the bridge monitoring technical field, specifically relates to a kind of deflection data collection in worksite device that is used for bridge monitoring.
Background technology
In the bridge monitoring process, the deflection of bridge span measurement is the important component part that bridge detects, and is an important indicator of bridge security property evaluation, also is one of important parameter of estimating bridge security property.The size of the vertical line displacement that the centre of form that deflection of bridge span specifically is meant a certain cross-section on the bridge takes place in the direction perpendicular to axle; The load-bearing capacity of it and bridge and to resist the ability of destructive loads such as earthquake closely related, and excessive amount of deflection can directly influence speed and comfortableness that bridge floor is driven a vehicle.Therefore the monitoring to amount of deflection is the pith in the bridge monitoring.
At present, Measurement Methods Of Bridge Deflection commonly used mainly contains suspending hammer method, the spirit-leveling instrument direct method of measurement and spirit-leveling instrument point-to-point measurement method.The suspending hammer method is owing to simple, easy to operate, the cost of equipment, so in deflection of bridge span is measured, extensively adopted.But this method comes with some shortcomings: this method requires in measure field static reference point is arranged; So generally only be applicable to the dry wash situation; And utilize the suspending hammer method can only measure the natural bow of some observation station (generally only surveying the natural bow of span centre); Can't realize that dynamic deflection of bridge span detects, and also is difficult to provide the natural bow value of other non-measuring points; In addition owing to comprise the distortion of deflection and the buttress of bridge pier in the measurement result, and because the selection of the friction factor of suspending hammer weight, pulley and steel wire diameter is improper etc. inevitable factor causes the bigger error of measurement result existence.The spirit-leveling instrument direct method of measurement is to adopt spirit-leveling instrument (or transit) and scale, obtains the natural bow of span centre according to the rod reading difference that is arranged on span centre before and after loading, and this method is difficult on the very little highway bridge in space on the bridge pier, carry out deflection metrology.Spirit-leveling instrument point-to-point measurement method be with high-precision level with plug with molten metal the head tower chi in the bridge floor upper edge bridge axes carry out the pointwise measurement of the level to analysing each node of frame (or bridge floor).The method can only be measured bridge natural bow curve, and precision is higher.But adopt this method measurement envelope bridge time long, efficient is lower.Photoelectric method is to utilize the CCD photoelectric coupled device to measure deflection of bridge span, but this equipment price is expensive, is subject to rain, the influence of environmental baseline such as greasy weather; Owing to the influence of each extraneous factor, the result is not very good when actual measurement when actual measurement.
Deficiency to above traditional measurement method existence; Be badly in need of a kind of low price; The powerful deflection data collection in worksite device that is used for bridge monitoring, promptly and accurately measure the deflection of bridge span data that will understand, for ensureing bridge security the science data support of making a strategic decision accurately is provided.
The utility model content
The purpose of the utility model is to overcome above-mentioned deficiency of the prior art; A kind of deflection data collection in worksite device that is used for bridge monitoring is provided, and it is simple in structure, reasonable in design, dependable performance and easy to install and use, adopts high precision microsensor highly sensitive, that the response time is short; Shockproof, waterproof, antijamming capability are strong; Guarantee the confidence level of data, can make things convenient for the data acquisition result, avoided the appearance of mass of redundancy data; Do not receive boisterous restriction, have extensive applicability.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: a kind of deflection data collection in worksite device that is used for bridge monitoring; It is characterized in that: comprise the amount of deflection sensor module that is used to monitor deflection of bridge span, join and be used for the analog-signal transitions of amount of deflection sensor module monitoring is the A/D converter of digital signal, joins with A/D converter and be used for the digital signal of A/D converter conversion is carried out the CPU processing module of analyzing and processing with the amount of deflection sensor module, and the storer that joins with the CPU processing module, the display that is used for the video data collection result and the supply module of supplying power for each power unit; Said amount of deflection sensor module comprise the amount of deflection sensor module one that is arranged on the bridge the maximum measuring point of expection amount of deflection place, be arranged on the amount of deflection sensor module two at measuring point place, bridge main beam edge and be arranged on amount of deflection sensor module one and amount of deflection sensor module two between amount of deflection sensor module three; Said amount of deflection sensor module one, amount of deflection sensor module two all are connected with A/D converter with amount of deflection sensor module three, and said amount of deflection sensor module three all is connected with amount of deflection sensor module two with amount of deflection sensor module one.
Above-mentioned a kind of deflection data collection in worksite device that is used for bridge monitoring, it is characterized in that: said CPU processing module also connects alarm unit.
Above-mentioned a kind of deflection data collection in worksite device that is used for bridge monitoring is characterized in that: said amount of deflection sensor module one is small-sized measurement suspension hook with amount of deflection sensor module two.
Above-mentioned a kind of deflection data collection in worksite device that is used for bridge monitoring, it is characterized in that: said display is a LED display.
The utility model compared with prior art has the following advantages:
1, volume is little, and is simple in structure, simple to operate, easy for installation, dependable performance, and cost is low, and is practical.
2, adopt high-precision sensor highly sensitive, that the response time is short, shockproof, waterproof, antijamming capability are strong, guarantee the confidence level of data.
3, can pass through LED display video data collection result.
4, Overall Power Consumption is little, and Overall Power Consumption is not more than 2W.
5, can link to each other with computer, data are checked conveniently, can the data in the registering instrument be exported in the computing machine at any time, and can be stored as the Microsoft Excel file, generate data and curves, further carry out data processing for other analysis software.
6, the utility model has reduced the monitoring cost, has avoided the appearance of mass of redundancy data simultaneously.From system itself, system's I&M is easy, range greatly, does not receive boisterous restriction, has extensive applicability.
Through accompanying drawing and embodiment, the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Description of reference numerals:
1-amount of deflection sensor module; 1-1-amount of deflection sensor module one;
1-2-amount of deflection sensor module two; 1-3-amount of deflection sensor module three;
The 2-A/D converter; The 3-CPU processing module; The 4-storer;
The 5-display; The 6-supply module; The 7-alarm unit.
Embodiment
A kind of deflection data collection in worksite device that is used for bridge monitoring as shown in Figure 1; Comprise the amount of deflection sensor module 1 that is used to monitor deflection of bridge span, join and be used for the analog-signal transitions of amount of deflection sensor module 1 monitoring is the A/D converter 2 of digital signal, joins with A/D converter 2 and be used for the digital signal of A/D converter 2 conversions is carried out the CPU processing module 3 of analyzing and processing with amount of deflection sensor module 1, and the storer 4 that joins with CPU processing module 3, the display 5 that is used for the video data collection result and the supply module 6 of supplying power for each power unit; Said amount of deflection sensor module 1 comprise amount of deflection sensor module one 1-1 that is arranged on the bridge the maximum measuring point of expection amount of deflection place, be arranged on amount of deflection sensor module two 1-2 at measuring point place, bridge main beam edge and be arranged on amount of deflection sensor module one 1-1 and amount of deflection sensor module two 1-2 between amount of deflection sensor module three 1-3; Said amount of deflection sensor module one 1-1, amount of deflection sensor module two 1-2 and amount of deflection sensor module three 1-3 all are connected with A/D converter 2, and said amount of deflection sensor module three 1-3 all are connected with amount of deflection sensor module two 1-2 with amount of deflection sensor module one 1-1.
As shown in Figure 1, in the present embodiment, said CPU processing module 3 also connects alarm unit 7.
As shown in Figure 1, in the present embodiment, said amount of deflection sensor module one 1-1 and amount of deflection sensor module two 1-2 are small-sized measurement suspension hook.
In the present embodiment, said display 5 is a LED display.
The principle of work of the utility model is: when bridge generation downwarp; Amount of deflection sensor module one 1-1, amount of deflection sensor module two 1-2 and amount of deflection sensor module three 1-3 can descend with the place measuring point, and its vertical slippage can be thought and is equal to the amount of deflection that belongs to the measuring point place.Because the deflection value that each adjacent measuring point place occurs is different, so amount of deflection sensor module one 1-1, amount of deflection sensor module two 1-2 are different with the fall of amount of deflection sensor module three 1-3.The deflection of bridge span value of amount of deflection sensor module one 1-1, amount of deflection sensor module two 1-2 and amount of deflection sensor module three 1-3 monitoring changes into digital signal through A/D converter 2 and carries out analyzing and processing by CPU processing module 3, and the result is shown by display 5.When the deflection value at each measuring point place reaches maximum permissible value, also reach the situation of maximum permissible value corresponding to the amount of deflection difference at each adjacent measuring point place, alarm unit 7 sends signal.
In sum, the utility model adopts electronic information technology and sensor technology, gathers the deflection data of bridge, collection in worksite, and the scene is checked, and can be stored data.The utility model can directly connect computing machine, utilizes computing machine can also carry out the overall treatment of data.In addition, this is novel can to carry out deflection monitoring effectively, and the problem of bulk redundancy appears in the data of having avoided collecting, and has also reduced the monitoring cost simultaneously.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of the utility model technical scheme.
Claims (4)
1. deflection data collection in worksite device that is used for bridge monitoring; It is characterized in that: comprise the amount of deflection sensor module (1) that is used to monitor deflection of bridge span, join and be used for the analog-signal transitions of amount of deflection sensor module (1) monitoring is the A/D converter (2) of digital signal, joins with A/D converter (2) and be used for the digital signal of A/D converter (2) conversion is carried out the CPU processing module (3) of analyzing and processing with amount of deflection sensor module (1), and the storer (4) that joins with CPU processing module (3), the display (5) that is used for the video data collection result and the supply module (6) of supplying power for each power unit; Said amount of deflection sensor module (1) comprise the amount of deflection sensor module one (1-1) that is arranged on the bridge the maximum measuring point of expection amount of deflection place, be arranged on the amount of deflection sensor module two (1-2) at measuring point place, bridge main beam edge and be arranged on amount of deflection sensor module one (1-1) and amount of deflection sensor module two (1-2) between amount of deflection sensor module three (1-3); Said amount of deflection sensor module one (1-1), amount of deflection sensor module two (1-2) and amount of deflection sensor module three (1-3) all are connected with A/D converter (2), and said amount of deflection sensor module three (1-3) all is connected with amount of deflection sensor module two (1-2) with amount of deflection sensor module one (1-1).
2. a kind of deflection data collection in worksite device that is used for bridge monitoring according to claim 1, it is characterized in that: said CPU processing module (3) also connects alarm unit (7).
3. a kind of deflection data collection in worksite device that is used for bridge monitoring according to claim 1 and 2, it is characterized in that: said amount of deflection sensor module one (1-1) and amount of deflection sensor module two (1-2) are small-sized measurement suspension hook.
4. a kind of deflection data collection in worksite device that is used for bridge monitoring according to claim 1 and 2, it is characterized in that: said display (5) is a LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205705570U CN202372324U (en) | 2011-12-23 | 2011-12-23 | Deflection data on-site collecting device for bridge monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205705570U CN202372324U (en) | 2011-12-23 | 2011-12-23 | Deflection data on-site collecting device for bridge monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN202372324U true CN202372324U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205705570U Expired - Fee Related CN202372324U (en) | 2011-12-23 | 2011-12-23 | Deflection data on-site collecting device for bridge monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458846A (en) * | 2018-04-08 | 2018-08-28 | 李国栋 | A kind of computational methods, the device and system of girder structure amount of deflection |
-
2011
- 2011-12-23 CN CN2011205705570U patent/CN202372324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458846A (en) * | 2018-04-08 | 2018-08-28 | 李国栋 | A kind of computational methods, the device and system of girder structure amount of deflection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |