CN207779382U - A kind of bridge deflection measurement system based on wireless transmission - Google Patents
A kind of bridge deflection measurement system based on wireless transmission Download PDFInfo
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- CN207779382U CN207779382U CN201721530391.3U CN201721530391U CN207779382U CN 207779382 U CN207779382 U CN 207779382U CN 201721530391 U CN201721530391 U CN 201721530391U CN 207779382 U CN207779382 U CN 207779382U
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Abstract
The utility model is a kind of bridge deflection measurement system based on wireless transmission, it is fixed on mutually independent amount of deflection sensor below bridge including several, the amount of deflection sensor is connected by communicating pipe, the terminal of the communicating pipe is connected with liquid reserve tank, the liquid reserve tank is placed at the fixation ground other than bridge, and the bottom of the liquid reserve tank is equipped with benchmark amount of deflection sensor；The amount of deflection sensor includes shell, and battery supply and wireless sampling structure are equipped in the shell, and the top of the shell is equipped with liquid level sensor, and the outside of the liquid level sensor is equipped with connection interface tube.The utility model is connected between amount of deflection sensor and bridge using weak viscosity without using mains-supplied, is not necessarily to any peripheral auxiliary equipment, simplicity flexible for installation greatly reduces the installation difficulty of whole system, while reducing installation and the maintenance cost of system；Wireless networking between amount of deflection sensor avoids the cumbersome of wiring.
Description
Technical field
The utility model is related to bridge monitoring equipment technical field, specially a kind of deflection of bridge span based on wireless transmission is surveyed
Amount system.
Background technology
With the fast development of China's communication, bridge is as the important ring in traffic, in the process developed the economy
In play very important effect.But bridge is in use, it can be because aging or unpredictable element lead to performance
Decline or hidden danger of quality, serious generation cave-in accident.In order to ensure bridge uses the safety of process, the carrying energy of bridge is coped with
Power carries out periodic detection assessment or carries out long-term real-time monitoring to the important parameter of bridge.
When wireless type bridge deflection measurement instrument is mainly used for bridge flexural deformation, the cross section centre of form is measured along vertical with axis
The linear displacement in direction.Traditional Measurement Methods Of Bridge Deflection has dial gauge mensuration, precision level mensuration, total powerstation to survey
Amount method, communicating pipe mensuration, inclinator method, laser image etc..
Presently, there are bridge deflection measurement system：Wired connection, deflection metrology point use thimble between deflection metrology point
Mode measure (this mode scaffold that needs to arrange in pairs or groups is fixed, and installation is extremely complex, simultaneously because the difference in operation of installation personnel,
It is huge to often result in measurement result difference), traditional deflection metrology system is generally powered using general 220V modes, needs to make
It is powered with alternating current, this application conditions is very harsh.And existing wireless type bridge deflection measurement instrument is not only difficult to bridge
Beam deflection carries out long-term deflection monitoring, and cost is excessively high, and installation is inconvenient.
Utility model content
The utility model is complicated for being installed present in current bridge deflection measurement system, uses difficulty, application conditions
Limit the problems such as high has carried out completely new design one by one, provides a kind of bridge deflection measurement system based on wireless transmission.
To achieve the above object, the utility model provides the following technical solutions：
A kind of bridge deflection measurement system based on wireless transmission, including several be fixed on it is mutually independent below bridge
Amount of deflection sensor, the amount of deflection sensor are connected by communicating pipe, and the terminal of the communicating pipe is connected with liquid reserve tank, the liquid storage
Case is placed at the fixation ground other than bridge, and the bottom of the liquid reserve tank is equipped with benchmark amount of deflection sensor；
The amount of deflection sensor includes shell, and battery supply and wireless sampling structure, the shell are equipped in the shell
Top be equipped with liquid level sensor, the outside of the liquid level sensor is equipped with connection interface tube；
By wirelessly sampling knot between the amount of deflection sensor and between amount of deflection sensor and benchmark amount of deflection sensor
Structure networking is connected.
Preferably, it is connected using weak viscosity between the amount of deflection sensor and bridge.
Preferably, the weak viscosity connection uses double faced adhesive tape.
Preferably, the fixed ground is the abutment of end of the bridge.
Preferably, the fixed ground is the side of bridge deformation smaller part position.
Preferably, the communicating pipe and the amount of deflection sensor use vertical or horizontal equidistant placement successively.
Preferably, the battery supply uses 9V lithium batteries.
Compared with prior art, the beneficial effects of the utility model：
Amount of deflection sensor internal in the system is equipped with battery supply, without using mains-supplied, and amount of deflection sensor
It is connect using weak viscosity between bridge, without any peripheral auxiliary equipments such as scaffold, simplicity flexible for installation, one to two peace
The installation to system can be completed in dress personnel, greatly reduces the installation difficulty of whole system, while reducing the installation of system
And maintenance cost, it can be directly used for cross a river, across valley bridge survey；It is equipped with anti-icing fluid in liquid reserve tank, low temperature use can be met and wanted
It asks, has compared with 0~500mm of wide-measuring range, measurement accuracy 0.1mm.
Amount of deflection sensor in the utility model is distributed in each measurement point independently of each other, while wirelessly being adopted by respective
Data interaction is completed in spline structure networking (relatively low rate radio networks), and uploads liquid level variation related data；The parameter of sensor
It can change, a variety of different application scenarios can be applicable in, precision, enhancing can also be further increased under identical environment
Energy.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
In figure：1, amount of deflection sensor；2, communicating pipe；3, liquid reserve tank；4, abutment；5, benchmark amount of deflection sensor；6, bridge.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：
A kind of bridge deflection measurement system based on wireless transmission, including several are fixed on the lower section of bridge 6 independently of each other
Amount of deflection sensor 1, the amount of deflection sensor 1 by communicating pipe 2 be connected, the terminal of the communicating pipe 2 is connected with liquid reserve tank 3,
The liquid reserve tank 3 is placed at the fixation ground other than bridge 1, and the bottom of the liquid reserve tank 3 is equipped with benchmark amount of deflection sensor 5；Institute
It includes shell to state amount of deflection sensor 1, is equipped with battery supply and wireless sampling structure in the shell, the top of the shell is equipped with
The outside of liquid level sensor, the liquid level sensor is equipped with connection interface tube；Between the amount of deflection sensor 1 and amount of deflection passes
It is connected by wireless sampling structure networking between sensor 1 and benchmark amount of deflection sensor 5, networking use between wireless sampling structure
High speed wireless communication (WIFI of 4.2G).It is connected using weak viscosity between the amount of deflection sensor 1 and bridge 6, installation is extremely square
Just, it is not necessarily to any peripheral auxiliary equipment, one to two installation personnel can be completed the installation to system, greatly reduce entire system
The installation difficulty of system, while reducing installation and the maintenance cost of system.The weak viscosity connection uses double faced adhesive tape；The fixation
Ground is the abutment 4 of end of the bridge；The fixed ground is the side of bridge deformation smaller part position；The communicating pipe 2 and the amount of deflection
Sensor 1 uses vertical or horizontal equidistant placement successively；It is equipped with anti-icing fluid in the liquid reserve tank 3, prevents from tying at low temperatures
Ice influences the use of measuring system；The battery supply uses 9V lithium batteries, up to 2-3 service lifes, is suitable for long-term prison
It surveys；The datum level sensor 5 is UDM-3 static-pressure type liquid level transmitters.
Operation principle：When bridge beam body flexural deformation, the cross-section row heart is measured along the linear position with axis vertical direction
It moves.According to the method that the variation of the liquid level in bridge everywhere communicating pipe is the variation for obtaining deflection of bridge span.Specifically
For：When bridge beam body deforms, what is be fixed in bridge beam body also will move with communicating pipe 2 and amount of deflection sensor 1,
Since liquid reserve tank 3 is placed at the abutment 4 for being not easy deformation, the relative shift measured is the deflection value of the measured point.In order to keep away
Exempt from influence of 3 liquid level of the liquid reserve tank variation to long term monitoring, benchmark amount of deflection sensor 5, each measuring point are provided in the bottom of liquid reserve tank 3
The displacement of practical measurement be relative to benchmark amount of deflection sensor.Amount of deflection sensor and benchmark amount of deflection sensor are used as from section
Point, wireless networking, for computer as a host node, the transmission and control of data are realized in one master and multiple slaves networking.
Communicating pipe in the utility model can use the intrinsic water route of bridge, or set up water route and (once set up, permanently
Using)；Cost is saved.
Amount of deflection sensor internal in the system is equipped with battery supply, without using mains-supplied, and amount of deflection sensor
It is connect using weak viscosity between bridge, without any peripheral auxiliary equipments such as scaffold, simplicity flexible for installation, one to two peace
The installation to system can be completed in dress personnel, greatly reduces the installation difficulty of whole system, while reducing the installation of system
And maintenance cost, it can be directly used for cross a river, across valley bridge survey；It is equipped with anti-icing fluid in liquid reserve tank, low temperature use can be met and wanted
It asks, has compared with 0~500mm of wide-measuring range, measurement accuracy 0.1mm.
Amount of deflection sensor in the utility model is distributed in each measurement point independently of each other, while wirelessly being adopted by respective
Data interaction is completed in spline structure networking (relatively low rate radio networks), and uploads liquid level variation related data；The parameter of sensor
It can change, a variety of different application scenarios can be applicable in, precision, enhancing can also be further increased under identical environment
Energy.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within this claimed practicality
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of bridge deflection measurement system based on wireless transmission, it is characterised in that：It is fixed under bridge (6) including several
The mutually independent amount of deflection sensor (1) in side, the amount of deflection sensor (1) are connected by communicating pipe (2), the communicating pipe (2)
Terminal is connected with liquid reserve tank (3), and the liquid reserve tank (3) is placed at the fixation ground other than bridge (6), the liquid reserve tank (3)
Bottom is equipped with benchmark amount of deflection sensor (5)；
The amount of deflection sensor (1) includes shell, and battery supply and wireless sampling structure are equipped in the shell, the shell
Top is equipped with liquid level sensor, and the outside of the liquid level sensor is equipped with connection interface tube；
By wireless between the amount of deflection sensor (1) and between amount of deflection sensor (1) and benchmark amount of deflection sensor (5)
Sampling structure networking is connected.
2. a kind of bridge deflection measurement system based on wireless transmission according to claim 1, it is characterised in that：It is described to scratch
It is connect using weak viscosity between degree sensor (1) and bridge (6).
3. a kind of bridge deflection measurement system based on wireless transmission according to claim 2, it is characterised in that：It is described weak
Viscosity connection uses double faced adhesive tape.
4. a kind of bridge deflection measurement system based on wireless transmission according to claim 1, it is characterised in that：It is described solid
Determine the abutment (4) that ground is end of the bridge.
5. a kind of bridge deflection measurement system based on wireless transmission according to claim 1, it is characterised in that：It is described solid
Determine the side that ground is bridge deformation smaller part position.
6. a kind of bridge deflection measurement system based on wireless transmission according to claim 1, it is characterised in that：The company
Siphunculus (2) and the amount of deflection sensor (1) use vertical or horizontal equidistant placement successively.
7. a kind of bridge deflection measurement system based on wireless transmission according to claim 1, it is characterised in that：The electricity
Pond power supply uses 9V lithium batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530391.3U CN207779382U (en) | 2017-11-16 | 2017-11-16 | A kind of bridge deflection measurement system based on wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721530391.3U CN207779382U (en) | 2017-11-16 | 2017-11-16 | A kind of bridge deflection measurement system based on wireless transmission |
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| Publication Number | Publication Date |
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| CN207779382U true CN207779382U (en) | 2018-08-28 |
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| CN201721530391.3U Active CN207779382U (en) | 2017-11-16 | 2017-11-16 | A kind of bridge deflection measurement system based on wireless transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141268A (en) * | 2018-09-28 | 2019-01-04 | 四川农业大学 | The data collection system of Deck Arch Bridges and deformation distribution recognition methods and equipment |
-
2017
- 2017-11-16 CN CN201721530391.3U patent/CN207779382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141268A (en) * | 2018-09-28 | 2019-01-04 | 四川农业大学 | The data collection system of Deck Arch Bridges and deformation distribution recognition methods and equipment |
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