CN206208191U - A kind of High-precision high-frequency bridge dynamic deflection measuring system - Google Patents
A kind of High-precision high-frequency bridge dynamic deflection measuring system Download PDFInfo
- Publication number
- CN206208191U CN206208191U CN201621329008.3U CN201621329008U CN206208191U CN 206208191 U CN206208191 U CN 206208191U CN 201621329008 U CN201621329008 U CN 201621329008U CN 206208191 U CN206208191 U CN 206208191U
- Authority
- CN
- China
- Prior art keywords
- base station
- measuring point
- microwave
- dynamic deflection
- bridge
- 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
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Abstract
The utility model discloses a kind of High-precision high-frequency bridge dynamic deflection measuring system, solve the problems, such as that prior art is unable to real-time and precise monitoring display storage for calculating the initial data of bridge dynamic deflection.The utility model includes being fixedly mounted on bridge pier middle part and is provided with the measurement base station of base station microwave transmitter and base station microwave receiver, quantity is more than two, is symmetrically mounted on spanning both sides and is provided with measuring point microwave emitter and the measuring point beacon of measuring point microwave receiver, with the analog-digital converter that is connected of measurement base station, and it is connected with analog-digital converter by line box and is provided with the PC of display；The measurement base station passes through microwave point-to-point communication with measuring point beacon.Rationally, certainty of measurement is high, applied widely for the utility model simple structure, design science.
Description
Technical field
The utility model is related to bridge monitoring technical field, more particularly to a kind of High-precision high-frequency bridge dynamic deflection measurement system
System.
Background technology
Under Vehicle Load, bridge structure is by deformation bigger under the effect of producing ratio identical dead load and stress, institute
All it is all the time an important research topic in science of bridge building with the dynamic response of bridge.Dynamic deflection and vehicular load, car
The factors such as type, surface conditions, bridge health are relevant, but play a crucial role or vehicular load and bridge health
Situation.The amount of deflection of bridge major section is one of important indicator of evaluation bridge quality (rigidity) and running status, current bridge
Beam health monitoring systems are that " static deflection " of bridge is monitored, and simply analyze bridge from long-term Monitoring Data
The deterioration and its damage of beam.By contrast, dynamic deflection can more accurately, more directly the dynamic response and dynamic of reaction bridge be firm
Degree.So studying dynamic deflection, the health status of operation bridge can be preferably assessed, in time, accurately find bridge
Disease, the safe operation to ensureing bridge is significant.
Utility model content
The technical problems to be solved in the utility model is：A kind of High-precision high-frequency bridge dynamic deflection measuring system is provided, should
The monitoring display storage of system energy real-time and precise is used to calculate the initial data of bridge dynamic deflection.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of High-precision high-frequency bridge dynamic deflection measuring system, including be fixedly mounted on bridge pier middle part and be provided with base station
The measurement base station of microwave emitter and base station microwave receiver, quantity is more than two, is symmetrically mounted on spanning both sides and is provided with
The measuring point beacon of measuring point microwave emitter and measuring point microwave receiver, the analog-digital converter being connected with measurement base station, and pass through
Line box is connected with analog-digital converter and is provided with the PC of display；The measurement base station is point-to-point logical by microwave with measuring point beacon
Letter.
Preferably, all of measuring point beacon is equally spaced in spanning.
Further, the measuring point beacon is located at a quarter of spanning width.
Specifically, the PC is portable computer.
Compared with prior art, the utility model has the advantages that：
(1) the utility model simple structure, design science are rationally, easy to use, are suitable to wide popularization and application.
(2) the utility model measurement base station has uniformity with the power-off of measuring point beacon, energization fore-and-aft survey result, calculates dynamic
Deflection value initial data sample rate reaches as high as 2000Hz, and certainty of measurement is high, according to dynamic degree of the disturbing precision that measurement data is calculated
Up to 0.1 millimeter, range is big, up to several kilometers；Compared with prior art, it is provided with that certainty of measurement is high, range big, sampling with bright
Frequency is high, non-cpntact measurement, the advantages of strong antijamming capability.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model structured flowchart.
Wherein, reference is corresponding entitled：
1- measurements base station, 2- measuring points beacon, 3- analog-digital converters, 4-PC machines, 5- line box.
Specific embodiment
The utility model is described in further detail with embodiment for explanation below in conjunction with the accompanying drawings, and mode of the present utility model includes
But it is not limited only to following examples.
As illustrated in fig. 1 and 2, a kind of High-precision high-frequency bridge dynamic deflection measuring system, including be fixedly mounted in the middle of bridge pier
Position and the measurement base station 1 of base station microwave transmitter and base station microwave receiver is provided with, quantity is more than two, is symmetrically mounted on
Spanning both sides are simultaneously provided with the measuring point beacon 2 of measuring point microwave emitter and measuring point microwave receiver, the modulus being connected with measurement base station 1
Converter 3, and be connected with analog-digital converter 3 by line box 5 and be provided with the PC 4 of display；The measurement base station 1 and measuring point
Beacon 2 passes through microwave point-to-point communication.In order that measurement effect is more preferably, all of measuring point beacon is equally spaced in spanning, and
And the measuring point beacon 2 is located at a quarter of spanning width.The PC 4 is portable computer.
Rationally, it is convenient to be applicable, and is suitable to wide popularization and application for the utility model simple structure, design science.
Above-described embodiment is only one of preferred embodiment of the present utility model, be should not be taken to limit of the present utility model
Protection domain, as long as body design thought of the present utility model and mentally make have no the change of essential meaning or profit
Color, the technical problem that it is solved is still consistent with the utility model, should be included in protection domain of the present utility model
Within.
Claims (4)
1. a kind of High-precision high-frequency bridge dynamic deflection measuring system, it is characterised in that：Including being fixedly mounted on bridge pier middle part
And the measurement base station (1) of base station microwave transmitter and base station microwave receiver is provided with, quantity is more than two, is symmetrically mounted on bridge
Across both sides and it is provided with the measuring point beacon (2) of measuring point microwave emitter and measuring point microwave receiver, the mould being connected with measurement base station (1)
Number converter (3), and be connected with analog-digital converter (3) by line box (5) and be provided with the PC (4) of display；The measurement
Base station (1) is with measuring point beacon (2) by microwave point-to-point communication.
2. a kind of High-precision high-frequency bridge dynamic deflection measuring system according to claim 1, it is characterised in that：All of survey
Point beacon is equally spaced in spanning.
3. a kind of High-precision high-frequency bridge dynamic deflection measuring system according to claim 2, it is characterised in that：The measuring point
Beacon (2) is at a quarter of spanning width.
4. a kind of High-precision high-frequency bridge dynamic deflection measuring system according to claim 3, it is characterised in that：The PC
(4) it is portable computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329008.3U CN206208191U (en) | 2016-12-06 | 2016-12-06 | A kind of High-precision high-frequency bridge dynamic deflection measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329008.3U CN206208191U (en) | 2016-12-06 | 2016-12-06 | A kind of High-precision high-frequency bridge dynamic deflection measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208191U true CN206208191U (en) | 2017-05-31 |
Family
ID=58751610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329008.3U Expired - Fee Related CN206208191U (en) | 2016-12-06 | 2016-12-06 | A kind of High-precision high-frequency bridge dynamic deflection measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959493A (en) * | 2019-04-29 | 2019-07-02 | 中国矿业大学 | A kind of cable-stayed bridge cable damage real-time quantitative appraisal procedure based on natural bow modeling |
-
2016
- 2016-12-06 CN CN201621329008.3U patent/CN206208191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959493A (en) * | 2019-04-29 | 2019-07-02 | 中国矿业大学 | A kind of cable-stayed bridge cable damage real-time quantitative appraisal procedure based on natural bow modeling |
| CN109959493B (en) * | 2019-04-29 | 2020-07-24 | 中国矿业大学 | Cable-stayed bridge cable damage real-time quantitative evaluation method based on static deflection modeling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170531 Termination date: 20181206 |