CN103278300A - Non-contact bridge deflection sensor - Google Patents
Non-contact bridge deflection sensor Download PDFInfo
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- CN103278300A CN103278300A CN2013101965144A CN201310196514A CN103278300A CN 103278300 A CN103278300 A CN 103278300A CN 2013101965144 A CN2013101965144 A CN 2013101965144A CN 201310196514 A CN201310196514 A CN 201310196514A CN 103278300 A CN103278300 A CN 103278300A
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- deflection
- bridge span
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- bridge
- testing lens
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Abstract
The invention discloses a non-contact bridge deflection sensor, which comprises a shell, an electronic circuit board, a level and a bridge deflection testing lens, wherein the electronic circuit board is arranged in the shell; the level is used for measuring the levelness of the shell; the bridge deflection testing lens is arranged on the upper part of the shell; a laser transmitter is arranged in the bridge deflection testing lens; a photoelectric receiver for receiving a light beam reflected by the bridge body of a tested bridge and converting the received reflected light beam into an electric signal is arranged in the bridge deflection testing lens; the electronic circuit board is provided with a data processing module for analyzing and processing the electric signal output by the photoelectric receiver; and the data processing module is connected with a bridge deflection data acquisition instrument through a data line. The non-contact bridge deflection sensor has the advantages of rational structural design, convenience in processing, manufacturing, mounting and laying, easiness and convenience in use and operation, good use effect, accurate deflection test data and capability of effectively solving the problems such as inconvenience in mounting, laying and testing, complexity in use and operation and poor deflection testing accuracy existing in a conventional bridge deflection testing device.
Description
Technical field
The invention belongs to the deflection of bridge span technical field of measurement and test, especially relate to a kind of contactless deflection of bridge span sensor.
Background technology
In the bridge construction process, need deflection of bridge span accurately to be measured the construction quality of the accuracy direct relation bridge beam body of its deflection metrology data.Nowadays, when deflection of bridge span is tested, all need to set up the deflectometer support in the beam body bottom of tested bridge, and when setting up the deflectometer support at the bottom of the bridge, not only set up complex procedures, and be difficult to guarantee the flatness of the deflectometer support of setting up, thereby influence deflection test result's accuracy.Thereby existing bridge deflection test device exists to be needed setting up the deflectometer support at the bottom of the bridge, installing and lay inconvenience, use complicated operation, be difficult to directly to contact multiple practical problemss such as the deflection test precision of bridge base plate, high pier large-span structure is relatively poor because of bridge beam body apart from the higher personnel in bottom in the test inconvenience, deflection of bridge span test process.
Summary of the invention
Technical matters to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of contactless deflection of bridge span sensor is provided, that its reasonable in design, processing and fabricating and installing laid is convenient, uses is easy and simple to handle and result of use good, the deflection test data are accurate, problem such as can solve effectively that installation that existing bridge deflection test device exists is laid and test inconvenience, use complicated operation, deflection test precision is relatively poor.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of contactless deflection of bridge span sensor, it is characterized in that: comprise shell, lay electronic circuit board in the enclosure, the level that is installed on the shell and the levelness of shell is measured and the deflection of bridge span testing lens that is installed in shell upper, be equipped with in the described deflection of bridge span testing lens and can launch laser beam and emission's laser beam is projected to generating laser on the tested bridge beam body, laser beam that described generating laser is launched is coaxial laying with the deflection of bridge span testing lens, and the photelectric receiver that the folded light beam that can reflect range information between tested bridge beam body and the deflection of bridge span testing lens after tested bridge beam body reflection is received and the folded light beam that receives is converted to electric signal is installed in the deflection of bridge span testing lens; The data processing module that electric signal that photelectric receiver is exported is carried out analyzing and processing is installed on the described electronic circuit board, described data processing module joins by data line and deflection of bridge span data collecting instrument, and described photelectric receiver is laid on the reflected light path of described laser beam, and described photelectric receiver and data processing module join.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: described outer casing bottom is provided with signal transmission interface, and described signal transmission interface and data processing module join.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: described deflection of bridge span testing lens is the cylinder camera lens, described deflection of bridge span testing lens is coaxial laying with shell.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: also be provided with power module on the described electronic circuit board, described generating laser, generating laser and generating laser all join with power module.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: described level is installed in shell upper.
Above-mentioned a kind of contactless deflection of bridge span sensor is characterized in that: described shell be shaped as cylindrical or multi-edge column-shaped.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: the quantity of described level is two, and two described level symmetries are laid in the left and right sides of deflection of bridge span testing lens.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: described shell is the square housing, and described deflection of bridge span testing lens and two described levels are laid on same the diagonal line of described square housing.
Above-mentioned a kind of contactless deflection of bridge span sensor is characterized in that: described outer casing bottom is provided with the otch that passes for data line, is equipped with on the described otch and is tilted to installing plate, and the described installing plate middle part that is tilted to has the through wires hole that passes for data line.
Above-mentioned a kind of contactless deflection of bridge span sensor, it is characterized in that: described shell is that the bottom has the housing one of under shed or the housing two that sidepiece has side opening, the bottom of described housing one is equipped with the detachable base plate that described under shed is carried out shutoff, and the sidepiece correspondence of described housing two is equipped with the detachable side shield that described side opening is carried out shutoff.
The present invention compared with prior art has the following advantages:
1, simple in structure, reasonable in design, and volume is little, in light weight, is convenient to transport.
2, input cost is low, and it is convenient that processing and fabricating and installation are laid.
3, use is easy and simple to handle, during actual the use, only need the present invention is installed on the ground, by level the levelness of shell is measured afterwards, and adjust accordingly according to the measurement result of the level installation site to shell, till with the shell horizontal fixed, thereby the shell levelness is easy to adjust, and can effectively guarantee the deflection of bridge span test result.
3, simple testing process, long service life and result of use are good, the deflection test data are accurate, practical value is high, easy in the laser ranging mode, realize deflection of bridge span test fast, practical problemss such as deflectometer support, measurement data are inaccurate have been avoided needing at the bottom of bridge, to set up, during actual the test, the levelness that only needs to determine shell gets final product, thereby the deflection test result is accurate, and measuring accuracy is easy to guarantee.
In sum, that reasonable in design of the present invention, processing and fabricating and installing laid is convenient, uses is easy and simple to handle and result of use good, the deflection test data are accurate, problem such as can solve effectively that installation that existing bridge deflection test device exists is laid and test inconvenience, use complicated operation, deflection test precision is relatively poor.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-shell; 1-1-be tilted to installing plate; 2-level;
3-deflection of bridge span testing lens; 3-1-generating laser; 3-2-photelectric receiver;
4-data processing module; 5-data line;
6-deflection of bridge span data collecting instrument; 7-power module; 8-signal transmission interface.
Embodiment
As Fig. 1, shown in Figure 2, the present invention includes shell 1, be laid in the electronic circuit board in the shell 1, the level 2 that is installed on the shell 1 and the levelness of shell 1 is measured and the deflection of bridge span testing lens 3 that is installed in shell 1 top, be equipped with in the described deflection of bridge span testing lens 3 and can launch laser beam and emission's laser beam is projected to generating laser 3-1 on the tested bridge beam body, described generating laser laser beam that 3-1 launches is coaxial laying with deflection of bridge span testing lens 3, and the photelectric receiver 3-2 that the folded light beam that can reflect range information between tested bridge beam body and the deflection of bridge span testing lens 3 after tested bridge beam body reflection is received and the folded light beam that receives is converted to electric signal is installed in the deflection of bridge span testing lens 3.The data processing module 4 that photelectric receiver electric signal that 3-2 exports is carried out analyzing and processing is installed on the described electronic circuit board, described data processing module 4 joins by data line 5 and deflection of bridge span data collecting instrument 6, and described photelectric receiver 3-2 is laid on the reflected light path of described laser beam.Described generating laser 3-1 and data processing module 4 join.
In the present embodiment, described shell 1 bottom is provided with signal transmission interface 8, and described signal transmission interface 8 joins with data processing module 4.
In the present embodiment, described data processing module 4 is with the deflection data that obtains after the analyzing and processing, with the standard output signals output of 4mA～20mA.
In the present embodiment, described deflection of bridge span testing lens 3 is the cylinder camera lens, and described deflection of bridge span testing lens 3 is coaxial laying with shell 1.
During actual the use, described deflection of bridge span testing lens 3 also can adopt the camera lens of other shape.
In the present embodiment, also be provided with power module 7 on the described electronic circuit board, described generating laser 3-1, generating laser 3-1 and generating laser 3-1 all join with power module 7.
In the present embodiment, described level 2 is installed in shell 1 top.
During actual installation, described shell 1 be shaped as cylindrical or multi-edge column-shaped.In the present embodiment, the quantity of described level 2 is two, and two described level 2 symmetries are laid in the left and right sides of deflection of bridge span testing lens 3.
In the present embodiment, described shell 1 is the square housing, and described deflection of bridge span testing lens 3 and two described levels 2 are laid on same the diagonal line of described square housing.During actual the use, described shell 1 also can adopt the housing of other shape.
Described shell 1 bottom is provided with the otch that passes for data line 5, is equipped with on the described otch and is tilted to installing plate 1-1, and the described installing plate 1-1 middle part that is tilted to has the through wires hole that passes for data line 5.In the present embodiment, described otch is positioned at the lower left corner of shell 1, and described through wires hole is positioned at the described middle part that is tilted to installing plate 1-1.
Actually add man-hour, described shell 1 has the housing one of under shed or the housing two that sidepiece has side opening for the bottom, the bottom of described housing one is equipped with the detachable base plate that described under shed is carried out shutoff, and the sidepiece correspondence of described housing two is equipped with the detachable side shield that described side opening is carried out shutoff.In the present embodiment, described shell 1 has the housing one of under shed for the bottom, and describedly is tilted to installing plate 1-1 and described housing one processing and fabricating is one.
In the present embodiment, described shell 1 is the steel housing.
During actual the use, adjust by 2 pairs of levelnesss of the present invention of level earlier, make deflection of bridge span testing lens 3 be in horizontality; Afterwards, the amount of deflection of connecting 5 pairs of detected bridge beam body of data line detects.And, during actual the detection, be projected on the tested bridge beam body by generating laser 3-1 emission laser beam and with institute's emission laser beam, and by photelectric receiver 3-2 the folded light beam of described laser beam after tested bridge beam body reflection received, and after the folded light beam that receives is converted to electric signal synchronous driving to data processing module 4, carry out analyzing and processing by 4 pairs of photelectric receiver electric signal that 3-2 transmits of data processing module again, and the corresponding deflection data that draws detected bridge beam body, simultaneously resulting deflection data is uploaded to data collecting instrument 6 so that the later stage uses.In addition, described shell 1 bottom also is provided with the signal transmission interface 8 that joins with data processing module 4, can easy data processing module 4 deflection data that draws of analyzing be sent on the data processing terminal by signal transmission interface 8.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection domain of technical solution of the present invention.
Claims (10)
1. contactless deflection of bridge span sensor, it is characterized in that: comprise shell (1), be laid in the electronic circuit board in the shell (1), the level (2) that is installed in that shell (1) is gone up and the levelness of shell (1) is measured and the deflection of bridge span testing lens (3) that is installed in shell (1) top, be equipped with in the described deflection of bridge span testing lens (3) and can launch laser beam and emission's laser beam is projected to generating laser (3-1) on the tested bridge beam body, described generating laser (3-1) launch laser beam and be coaxial laying with deflection of bridge span testing lens (3), and the photelectric receiver (3-2) that the folded light beam that can reflect range information between tested bridge beam body and the deflection of bridge span testing lens (3) after tested bridge beam body reflection is received and the folded light beam that receives is converted to electric signal is installed in the deflection of bridge span testing lens (3); The data processing module (4) that photelectric receiver (3-2) electric signal of exporting is carried out analyzing and processing is installed on the described electronic circuit board, described data processing module (4) joins by data line (5) and deflection of bridge span data collecting instrument (6), and described photelectric receiver (3-2) is laid on the reflected light path of described laser beam, and described photelectric receiver (3-2) joins with data processing module (4).
2. according to the described a kind of contactless deflection of bridge span sensor of claim 1, it is characterized in that: described shell (1) bottom is provided with signal transmission interface (8), and described signal transmission interface (8) joins with data processing module (4).
3. according to claim 1 or 2 described a kind of contactless deflection of bridge span sensors, it is characterized in that: described deflection of bridge span testing lens (3) is the cylinder camera lens, and described deflection of bridge span testing lens (3) is coaxial laying with shell (1).
4. according to claim 1 or 2 described a kind of contactless deflection of bridge span sensors, it is characterized in that: also be provided with power module (7) on the described electronic circuit board, described generating laser (3-1), generating laser (3-1) and generating laser (3-1) all join with power module (7).
5. according to claim 1 or 2 described a kind of contactless deflection of bridge span sensors, it is characterized in that: described level (2) is installed in shell (1) top.
6. according to the described a kind of contactless deflection of bridge span sensor of claim 5, it is characterized in that: described shell (1) be shaped as cylindrical or multi-edge column-shaped.
7. according to the described a kind of contactless deflection of bridge span sensor of claim 6, it is characterized in that: the quantity of described level (2) is two, and two described levels (2) symmetry is laid in the left and right sides of deflection of bridge span testing lens (3).
8. according to the described a kind of contactless deflection of bridge span sensor of claim 7, it is characterized in that: described shell (1) is the square housing, and described deflection of bridge span testing lens (3) and two described levels (2) are laid on same the diagonal line of described square housing.
9. according to claim 1 or 2 described a kind of contactless deflection of bridge span sensors, it is characterized in that: described shell (1) bottom is provided with the otch that passes for data line (5), be equipped with on the described otch and be tilted to installing plate (1-1), described installing plate (1-1) middle part that is tilted to has the through wires hole that passes for data line (5).
10. according to claim 1 or 2 described a kind of contactless deflection of bridge span sensors, it is characterized in that: described shell (1) has the housing one of under shed or the housing two that sidepiece has side opening for the bottom, the bottom of described housing one is equipped with the detachable base plate that described under shed is carried out shutoff, and the sidepiece correspondence of described housing two is equipped with the detachable side shield that described side opening is carried out shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101965144A CN103278300A (en) | 2013-05-23 | 2013-05-23 | Non-contact bridge deflection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101965144A CN103278300A (en) | 2013-05-23 | 2013-05-23 | Non-contact bridge deflection sensor |
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| Publication Number | Publication Date |
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| CN103278300A true CN103278300A (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101965144A Pending CN103278300A (en) | 2013-05-23 | 2013-05-23 | Non-contact bridge deflection sensor |
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| CN (1) | CN103278300A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889815A (en) * | 2015-06-08 | 2015-09-09 | 何鹏 | Laser control switch for fabricated flow production line |
| CN108267101A (en) * | 2018-01-17 | 2018-07-10 | 成都上甲光电科技有限公司 | Bridge security detecting system and its circuit |
| CN111156903A (en) * | 2019-12-28 | 2020-05-15 | 浙江大学 | Non-contact displacement sensor based on flexible photoelectric nano-film |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1448728A (en) * | 2002-03-29 | 2003-10-15 | 蔡成 | Laser range finding method and apparatus |
| CN201191183Y (en) * | 2008-05-26 | 2009-02-04 | 龚双龙 | Optical height measuring equipment |
| CN201438141U (en) * | 2009-05-18 | 2010-04-14 | 北京中土赛科科技开发有限公司 | Bridge dynamic deflection test device |
| CN201852565U (en) * | 2010-10-20 | 2011-06-01 | 北京起重运输机械设计研究院 | System for measuring downward deflection of crane girder |
-
2013
- 2013-05-23 CN CN2013101965144A patent/CN103278300A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448728A (en) * | 2002-03-29 | 2003-10-15 | 蔡成 | Laser range finding method and apparatus |
| CN201191183Y (en) * | 2008-05-26 | 2009-02-04 | 龚双龙 | Optical height measuring equipment |
| CN201438141U (en) * | 2009-05-18 | 2010-04-14 | 北京中土赛科科技开发有限公司 | Bridge dynamic deflection test device |
| CN201852565U (en) * | 2010-10-20 | 2011-06-01 | 北京起重运输机械设计研究院 | System for measuring downward deflection of crane girder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889815A (en) * | 2015-06-08 | 2015-09-09 | 何鹏 | Laser control switch for fabricated flow production line |
| CN108267101A (en) * | 2018-01-17 | 2018-07-10 | 成都上甲光电科技有限公司 | Bridge security detecting system and its circuit |
| CN111156903A (en) * | 2019-12-28 | 2020-05-15 | 浙江大学 | Non-contact displacement sensor based on flexible photoelectric nano-film |
| CN111156903B (en) * | 2019-12-28 | 2020-09-01 | 浙江大学 | Non-contact displacement sensor based on flexible photoelectric nano-film |
| WO2021129371A1 (en) * | 2019-12-28 | 2021-07-01 | 浙江大学 | Contactless displacement sensor employing flexible photoelectric nanofilm |
| US12013224B2 (en) | 2019-12-28 | 2024-06-18 | Zhejiang University | Contactless displacement sensor employing flexible photoelectric nanofilm |
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Application publication date: 20130904 |