CN204064232U - A kind of deflection of bridge span network monitoring system - Google Patents
A kind of deflection of bridge span network monitoring system Download PDFInfo
- Publication number
- CN204064232U CN204064232U CN201420416366.2U CN201420416366U CN204064232U CN 204064232 U CN204064232 U CN 204064232U CN 201420416366 U CN201420416366 U CN 201420416366U CN 204064232 U CN204064232 U CN 204064232U
- Authority
- CN
- China
- Prior art keywords
- deflection
- pressure unit
- bridge
- monitoring system
- storing barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of deflection of bridge span network monitoring system, it comprises pressure unit, liquid storing barrel, Acquisition Instrument, serial ports rotary valve jaws equipment, router, communication network, industrial computer, described pressure unit is sensor, pressure unit is connected by water pipe, and be connected with liquid storing barrel, the highness change of liquid storing barrel liquid level and sensor is in the middle of transducer range; Sensor adopts 2 core signal cables to connect, and avoids environment to the interference of signal; Pressure unit is connected with Acquisition Instrument, serial ports rotary valve jaws equipment, router, industrial computer and Surveillance center by cable, and monitoring system software is arranged in industrial computer, to the data analysis gathered, storage; By to data analysis, convert pressure data to altitude figures, the amount of deflection of each measuring point can be obtained; The utility model realizes the Real-Time Monitoring to deflection of bridge structure, and processes timely the structural deflection abnormal conditions occurred, and then detects in time bridge and assess, and avoids occurring great Bridge Accidents; By to deflection of bridge span long term monitoring, carry out statistical study, deflection of bridge span development trend can be obtained, can predict bridge residual life etc. in conjunction with reliability analysis scheduling theory.
Description
Technical field
The utility model relates to Structural Engineering field, is the deflection of bridge span network monitoring system based on connecting pipe principle and technology of Internet of things concretely.
Background technology
Amount of deflection evaluates the important indicator of bridge vertical rigidity, and refer to the bridge vertical deformation that diverse location place produces under load effect, it directly reflects the vertical integral rigidity of bridge structure.The distortion of bridge structure under the effect of the load such as carload, environmental load is a dynamic process, grasp whether structure has sudden change, abnormal conditions occur (such as bridge floor travels the effect of overweight vehicle), amount of deflection is carried out in real time, dynamic monitoring is very important.By the transient response of dynamic monitoring capturing structure, coefficient of impact and the structural internal force distribution of load can be drawn from the dynamic deflection data analysis of bridge, understand bridge cyclical variation rule, judge the weak part of bridge, being the important indicator that bridge structure safe is evaluated, is all very important for bridge qualification, bridge classification maintenance, danger remake old bridge and new bridge examination etc.Distortion due to bridge is a bulk deformation process, and therefore preferably Multipoint synchronous is dynamic for flexiblity monitor system.
Due to the critical role of deflection monitoring in bridge safety supervision, nearest two more than ten years, domestic and international many engineerings and scientific research institution have carried out extensive and deep research work in this field, achieve great successes, the method of current test amount of deflection has: dial gauge mensuration, laser image measurement, the measurement of dip angle method of bridge, GPS is utilized to carry out bridge survey, photoelectricity spectroscopic imaging and high speed linear array CCD method, open communicating pipe is utilized to measure, suspending hammer method, spirit-leveling instrument method, transit method, full instrument station method, the method of photoelectric imaging, ground penetrating radar method and closed communication tube method.But all substantially adopt manual read's counting method to test, automaticity is not high, or precision is not high, or the equipment had is affected by environment, can not monitor continuously for 24 hours, or apparatus expensive, inapplicable penetration and promotion, the flexiblity monitor system being therefore suitable for bridge long term monitoring particularly middle and small scale bridge is few.For addressing this problem, closed communication pipe principle is combined with technology of Internet of things by the utility model, develops the deflection of bridge span network monitoring system being suitable for various bridge type.
Utility model content
To be solved in the utility model be technical matters is the amount of deflection network monitoring system being suitable for various scale bridge.
For solving the problems of the technologies described above, scheme of the present utility model provides a kind of deflection of bridge span network monitoring system combined based on closed communication pipe principle and technology of Internet of things, and concrete scheme is as follows:
A kind of deflection of bridge span network monitoring system, it comprises pressure unit, liquid storing barrel, Acquisition Instrument, serial ports rotary valve jaws equipment, router, communication network, industrial computer, described pressure unit is sensor, pressure unit is connected by water pipe, and be connected with liquid storing barrel, the highness change of liquid storing barrel liquid level and sensor is in the middle of transducer range; Sensor adopts 2 core signal cables to connect, and avoids environment to the interference of signal; Pressure unit is connected with Acquisition Instrument, serial ports rotary valve jaws equipment, router, industrial computer and Surveillance center by cable, and monitoring system software is arranged in industrial computer, to the data analysis gathered, storage; Described pressure unit need meet the demand of range, each pressure unit measuring point and liquid storing barrel liquid level difference DELTA H=liquid storing barrel liquid level-pressure unit liquid level ± structural deflection change in elevation; Difference DELTA H is converted into pressure, and its value need be in 1/4 ~ 3/4 scope of the pressure range of sensor; When structural deflection is in 20mm scope, require that measuring accuracy is within 1mm, when structural deflection is at more than 20mm, precision controlling is within 5% of amount of deflection; According to the signal type of pressure unit, select the Acquisition Instrument of measuring current or voltage signal, the range of Acquisition Instrument and precision need to match with pressure unit.
Described 2 core signal cables are shielded cable.
Described communication network can use internet special line or 3G/4G network.
By the utility model, with lower cost, realize the Real-Time Monitoring to deflection of bridge structure, and the structural deflection abnormal conditions occurred are processed timely, and then bridge is detected in time and assesses, avoid occurring great Bridge Accidents.By to deflection of bridge span long term monitoring, carry out statistical study, deflection of bridge span development trend can be obtained, can predict bridge residual life etc. in conjunction with reliability analysis scheduling theory.By the Real-Time Monitoring to bridge, early warning and assessment, the maintenance Meteorological of bridge can be reduced, there is good economic benefit and social benefit.
Accompanying drawing explanation
Accompanying drawing 1 is deflection of bridge span network monitoring system structural drawing.
1-pressure unit, 2-liquid storing barrel, 3-water pipe, 4-Acquisition Instrument, 5-serial ports rotary valve equipment, 6-router, 7-industrial computer, 8-Surveillance center, 9-2 core signal cable.
Embodiment
By reference to the accompanying drawings 1, the deflection of bridge span network monitor monitoring system that the utility model proposes is described in detail.
As in accompanying drawing 1, the utility model need to monitoring bridge carry out mechanical characteristic analysis, study its under normal operating condition amount of deflection distribution, select pressure unit 1 and the Acquisition Instrument 4 of suitable range according to its value.
Deflection of bridge span network monitoring system of the present utility model comprises pressure unit 1, liquid storing barrel 2, Acquisition Instrument 4, serial ports rotary valve jaws equipment 5, router 6, communication network, industrial computer 7, described pressure unit 1 is sensor, pressure unit 1 is connected by water pipe 3, and be connected with liquid storing barrel 2, the highness change of liquid storing barrel 2 liquid level and sensor is in the middle of transducer range; Sensor adopts 2 core signal cables 9 to connect, and avoids environment to the interference of signal; Pressure unit 1 is connected with Acquisition Instrument 4, serial ports rotary valve jaws equipment 5, router 6, industrial computer 7 and Surveillance center 8 by cable 9, and monitoring system software is arranged in industrial computer, by the collection to data, then carries out analyzing, storing and issuing function.Described 2 core signal cables 9 are shielded cable, and described communication network can use internet special line or 3G/4G network.
The selection of pressure unit, except the stability requirement of demand fulfillment equipment, goes back the demand of demand fulfillment range.Δ H=liquid storing barrel liquid level-pressure unit liquid level ± structural deflection change in elevation.Δ H needs to be in sensor 1/4 ~ 3/4 range ability.Structural deflection is in 20mm scope, and require that measuring accuracy is within 1mm, structural deflection is at more than 20mm, and precision controlling is within 5% of amount of deflection.According to the signal type of pressure unit, select the Acquisition Instrument of measuring current or voltage signal, equipment range and precision need to match with pressure unit, and equipment needs to reach technical grade requirement.
Claims (3)
1. a deflection of bridge span network monitoring system, it comprises pressure unit, liquid storing barrel, Acquisition Instrument, serial ports rotary valve jaws equipment, router, communication network, industrial computer, described pressure unit is sensor, pressure unit is connected by water pipe, and be connected with liquid storing barrel, the highness change of liquid storing barrel liquid level and sensor is in the middle of transducer range; Sensor adopts 2 core signal cables to connect, and avoids environment to the interference of signal; Pressure unit is connected with Acquisition Instrument, serial ports rotary valve jaws equipment, router, industrial computer and Surveillance center by cable, and monitoring system software is arranged in industrial computer, to the data analysis gathered, storage; Described pressure unit need meet the demand of range, each pressure unit measuring point and liquid storing barrel liquid level difference DELTA H=liquid storing barrel liquid level-pressure unit liquid level ± structural deflection change in elevation; Difference DELTA H is converted into pressure, and its value need be in 1/4 ~ 3/4 scope of the pressure range of sensor; When structural deflection is in 20mm scope, require that measuring accuracy is within 1mm, when structural deflection is at more than 20mm, precision controlling is within 5% of amount of deflection; According to the signal type of pressure unit, select the Acquisition Instrument of measuring current or voltage signal, the range of Acquisition Instrument and precision need to match with pressure unit.
2. deflection of bridge span network monitoring system as claimed in claim 1, is characterized in that: described 2 core signal cables are shielded cable.
3. deflection of bridge span network monitoring system as claimed in claim 1, is characterized in that: described communication network can use internet special line or 3G/4G network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416366.2U CN204064232U (en) | 2014-07-28 | 2014-07-28 | A kind of deflection of bridge span network monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416366.2U CN204064232U (en) | 2014-07-28 | 2014-07-28 | A kind of deflection of bridge span network monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064232U true CN204064232U (en) | 2014-12-31 |
Family
ID=52205723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420416366.2U Expired - Fee Related CN204064232U (en) | 2014-07-28 | 2014-07-28 | A kind of deflection of bridge span network monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674946A (en) * | 2016-03-10 | 2016-06-15 | 广东华路交通科技有限公司 | Long-span bridge deflection monitoring system |
| CN117222075A (en) * | 2023-09-11 | 2023-12-12 | 哈尔滨瑞鑫洋新能源科技有限公司 | Intelligent photovoltaic lighting control system for urban intelligent bridge |
-
2014
- 2014-07-28 CN CN201420416366.2U patent/CN204064232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674946A (en) * | 2016-03-10 | 2016-06-15 | 广东华路交通科技有限公司 | Long-span bridge deflection monitoring system |
| CN117222075A (en) * | 2023-09-11 | 2023-12-12 | 哈尔滨瑞鑫洋新能源科技有限公司 | Intelligent photovoltaic lighting control system for urban intelligent bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104209346B (en) | A kind of mill lubrication online oil monitoring device without the need to temperature compensation and monitoring method thereof | |
| CN102778255A (en) | High-precision liquid level, temperature, density multifunctional measuring system | |
| CN1657863A (en) | Non-contact stress measuring device for large structure frame | |
| CN204064232U (en) | A kind of deflection of bridge span network monitoring system | |
| CN103245326A (en) | Device and method for monitoring subsidence of jacket platform based on inclination angle monitoring | |
| CN203349915U (en) | Automatic weighing device for off-highway dumper | |
| CN203349779U (en) | Strain-type displacement sensor and elevator brake having same | |
| CN203024763U (en) | Construction beam posture monitoring system | |
| CN203148889U (en) | Nondestructive testing device | |
| CN103712669A (en) | Flow gauge online calibration device | |
| CN204679143U (en) | Strain transducer level measuring and controlling device | |
| CN201440077U (en) | Detection and calibrating device of dangerous chemical transportation monitoring device | |
| CN112924061A (en) | Wireless real-time monitoring system and method for non-uniform settlement stress of natural gas pipeline | |
| CN103438960A (en) | Differential pressure type high sensitivity liquid level flow measuring device | |
| CN203606048U (en) | Detector for internal continuous stress of coal seam | |
| CN105203079A (en) | Settlement monitoring system based on piezoresistive level gauge and control method of settlement monitoring system | |
| CN202512036U (en) | Slurry differential density meter | |
| CN114563040A (en) | Hydropower station hydraulic tunnel monitoring system and working method thereof | |
| CN106643605B (en) | Door body level jump real-time monitoring device and its monitoring method under ship gateway operation state | |
| CN103968921A (en) | Underwater sediment weighing platform | |
| CN202946137U (en) | Digital indicator of pumping well based on multi-sensor information fusion | |
| CN108760018A (en) | A kind of power transformation combined frame work wind pulse on-line monitoring system and method based on laser ranging | |
| CN203065039U (en) | Metal structure health monitoring system of crane | |
| CN201034756Y (en) | Anchorage cable force gauge | |
| CN208109251U (en) | A kind of power transformation combined frame work wind pulse on-line monitoring system based on laser ranging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Jiangxi Road Traffic Design Research Co., Ltd. Assignor: Jiangsu Traffic Research Institute Contract record no.: 2015360000062 Denomination of utility model: Bridge deflection network monitoring system Granted publication date: 20141231 License type: Exclusive License Record date: 20150601 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170728 |