CN103776359B - Convergence monitoring sensor for tunnel - Google Patents
Convergence monitoring sensor for tunnel Download PDFInfo
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- CN103776359B CN103776359B CN201410036570.6A CN201410036570A CN103776359B CN 103776359 B CN103776359 B CN 103776359B CN 201410036570 A CN201410036570 A CN 201410036570A CN 103776359 B CN103776359 B CN 103776359B
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Abstract
A convergence monitoring sensor for a tunnel belongs to the measurement field. The convergence monitoring sensor comprises a tunnel convergence acquisition instrument and a microwave detection target. The tunnel convergence acquisition instrument comprises a microwave ejector and a microwave receiver. The microwave ejector is used for transmitting microwave with a customizable frequency for a target and the microwave ejector comprises a microwave signal transmitting module (1), a microwave frequency and bandwidth customizing module (2) and an angle measuring module (3). The microwave receiver is used for receiving a microwave signal with the customizable frequency, recording walking speed and time, conducting the convergence calculation, storing and conducting the data transmission and the microwave receiver comprises a microwave signal receiving module (4), a microwave frequency customizing module (5), a time and speed measuring module (6), a data processing and displaying module (7) and a data storing and transmitting module (8). The convergence monitoring sensor has the advantages of being high in data accuracy, less than +-1 mm in convergence error, free of environmental restriction, capable of tracing and detecting in real time, and capable of measuring distance and processing data, greatly improving efficiency and assuring the safety in monitoring and construction.
Description
Technical field
The present invention relates to a kind of restrain, to underground engineerings such as tunnels, the device measuring by launching microwave, it is a kind of micro-
Wave sensor, sends microwave signal in real time by microwave emitter, follows the tracks of the position detecting objective body, and is measured by signal picker
Process echo-signal, carry out convergence monitoring, present invention is mainly used for tunnels and underground engineering convergence monitoring, belong to measurement neck
Domain.
Background technology
The underground engineerings such as tunnel occupy an important position in the engineerings such as highway, railway and subway, and constructive technique archives are
One important content of the underground engineerings such as tunnel.Tunnel convergence mainly adopt at present traditional level gauge, steel hang chi, convergence gauge and
The survey tools such as total powerstation, certainty of measurement is not high, larger by tunnel construction infection, easily tunnel is caused construction to hinder, and data
The workloads such as storage, transmission, process, analysis are big, engineer applied inconvenience.Existing laser displacement sensor and sonic sensor etc.
Poor anti jamming capability, does not enable to tunnel monitoring objective tracking measurement simultaneously.
Microwave remote sensor has and does not contact, not damaged, continuously, in real time, at a distance, nonhazardouss, free from environmental pollution it is easy to dimension
Shield, the more low series of advantages of cost, particularly useful in many occasions.For a long time, the electro-detection technology of sensor substantially office
It is limited to low frequency and two frequency ranges of optical frequency and from integrated circuit parameter and voltage, the viewpoint of the electric current property to study various sensors
Can, it is rarely employed the microwave frequency band between them and to study sensor from the angle of electromagnetic wave.
Content of the invention
The present invention proposes a kind of sensor of employing microwave measurement displacement, using piezoelectric effect principle by electric energy and micro-
Ripple mutually converts, and that is, when launching microwave, converts electric energy to microwave signal, launches microwave；And in receiving and transmitting unit
When the microwave of transmitting, then microwave vibrations signal is converted into the signal of telecommunication.Using microwave signal measurement tunnel convergence, Ke Yishi
When gathered data, do not limited by environment, be can effectively ensure that Tunnel Construction Schedule, improved work efficiency, reduced workload, reduce and make
Industry is dangerous.
It is a feature of the present invention that: convergence monitoring sensor is divided into tunnel convergence Acquisition Instrument and microwave sounding target two
Point, wherein tunnel convergence Acquisition Instrument includes microwave emitter, microwave receiver.Described microwave emitter is used for fixed to objective emission
The microwave of frequency processed, including microwave signal transmitter module (1), microwave frequency and bandwidth customized module (2), angle measurement module
(3)；Described microwave receiver be used for receive custom frequencies microwave signal, record walk when speed and time, carry out convergence calculate,
Storage and data transfer, including microwave signal receiver module (4), microwave frequency customized module (5), time and tachometric survey mould
Block (6), data processing and display module (7), data storage and transport module (8)；Described microwave sounding target (9) is a special spy
Survey body, for reflected microwave signal, multiple microwave sounding targets can be buried in investigative range simultaneously measure simultaneously, each is micro-
Ripple detects target and can move within the specific limits, and microwave detector can be tracked detecting and real-time measurement distance, and tracking is adopted
With adjacent method entirely, carry out all candidate's filtering to different sensing points comprehensively, and calculate each probability according to different correlation circumstances adding
Weight coefficient and equivalent echo, then update the state of multiple targets with each equivalent echo.
Microwave signal transmitter module (1) converts electric energy to microwave signal, launches microwave；
Microwave frequency and bandwidth customized module (2) are used for customizing the microwave signal (2～60ghz) of fixed frequency and bandwidth,
Different observation groups adopt different frequencies；
Angle measurement module (3) measurement and the direction determining transmitting microwave signal；
Microwave signal receiver module (4) is used for receiving the microwave signal of fixed frequency and bandwidth；
Microwave frequency customized module (5) is used for customizing the frequency of receipt signal, and the frequency of different observation groups is different；
Time and speed measurement module (6) are used for measuring speed when walking of microwave signal, time when walking；
Data processing and display module (7) the Time Calculation tunnel according to the direction of transmitting microwave signal, frequency with when walking
Convergency value, and shown with the signal of telecommunication；
Data storage and transport module (8) are by fixing form real-time storage the data of measurement, and have data and exist
Line transmission and wireless transmission function；
Microwave sounding target (9) is a special detection body, for reflected microwave signal, can bury many in investigative range simultaneously
Individual microwave sounding target measures simultaneously, and each microwave sounding target can move within the specific limits, microwave detector can carry out with
Track detects and real-time measurement distance, and tracking, using adjacent method entirely, updates the state of multiple targets with each equivalent echo；
DC power supply and communication power supply (10) are used for the power supply of this device.
Technical scheme
(1) in tunnel correct position, microwave remote sensor and multiple microwave sounding target are installed；
(2) customize microwave frequency, be monitored group packet setting；Set the bandwidth of microwave, by predetermined space range searching
Target target body reflected signal is so as to have enough capacity of resisting disturbance；
(3) turn on the power, start microwave remote sensor measurement apparatus, start real-time detection, measurement distance, direction and according to setting
Put parameter and carry out data processing；
(4) by data storage, and it is sent to monitoring center's computer.
Beneficial effect
The present invention is a kind of convergence monitoring sensor, has the advantage that
(1) data precision is high, and convergence error is less than ± 1mm；
(2) do not limited by environment, can be carried out real-time tracking detection, measurement distance and carry out data processing；
(3) there is data storage function data transfer function, storage capacity can sets itself, transmission speed is according to network
Determine；
(4) effectively improving work efficiency, saving man power and material it is ensured that monitoring and construction safety.
Brief description
Fig. 1: tunnel convergence Acquisition Instrument structure chart
Fig. 2: microwave sounding target
Fig. 3: microwave sounding schematic diagram
Wherein 1 microwave sounding target (1cm × 1cm)
2 tunnel convergence Acquisition Instruments
The schematic diagram calculation of Fig. 4: tunnel convergence
Specific embodiment
The present invention proposes a kind of sensor of employing microwave measurement displacement, using piezoelectric effect principle by electric energy and micro-
Ripple mutually converts, and that is, when launching microwave, converts electric energy to microwave signal, launches microwave；And in receiving and transmitting unit
When the microwave of transmitting, then microwave vibrations signal is converted into the signal of telecommunication.
Convergence monitoring sensor of the present invention is divided into tunnel convergence Acquisition Instrument and microwave sounding target two part, wherein tunnel
Convergence Acquisition Instrument includes microwave emitter, microwave receiver.Described microwave emitter is used for micro- to objective emission custom frequencies
Ripple, including microwave signal transmitter module (1), microwave frequency and bandwidth customized module (2), angle measurement module (3) etc.；Described micro-
Ripple receptor be used for receive custom frequencies microwave signal, record walk when speed and time, carry out convergence calculate, storage and number
According to transmission, including microwave signal receiver module (4), microwave frequency customized module (5), time and speed measurement module (6), data
Process and display module (7), data storage and transport module (8) etc.；Described microwave sounding target (9) is a special detection body, uses
Carry out reflected microwave signal, multiple microwave sounding targets can be buried in investigative range simultaneously measure simultaneously, each microwave sounding
Target can move within the specific limits, and microwave detector can be tracked detecting and real-time measurement distance；In addition this device also includes
DC power supply and communication power supply (10).
Tunnel convergence Acquisition Instrument is arranged on appropriate location in tunnel wall, at each when using by convergence monitoring sensor
Bury a microwave sounding target (9) on monitoring point, start convergence monitoring probe power (10), using microwave frequency and band
Wide customized module (2) customization microwave frequency and bandwidth, are measured using angle measurement module (3) and determine Microwave emission direction, microwave
Frequency customized module (5) customization receives the frequency of microwave, starts microwave signal receiver module (4), time and speed measurement module
(6), data processing and the storage of display module (7) data and transport module (8) etc., starts microwave signal transmitter module (1) and sends out
Penetrate microwave signal, carry out the carried out real-time detection of tunnel convergence, measurement distance and carry out data processing.
Microwave propagation speed: v=f λ
Distance between emitter and microwave sounding target: di=viti/2
Arbitrarily point to point distance: si=sqrt(di 2+di+1 2-2didi+1cosθi)
Tunnel arbitrary cross-section convergency value: △ si=si-1-si
Tunnel arbitrary cross-section adds up convergency value: △ s=sum (△ si)
In formula: f is microwave custom frequencies；λ is microwave wavelength；θ is angle between any two microwave sounding targets.
It is more than a representative instance of the present invention, the enforcement not limited to this of the present invention.
Claims (1)
1. convergence monitoring sensor, including tunnel convergence Acquisition Instrument and microwave sounding target two part, wherein tunnel convergence is adopted
Collection instrument includes microwave emitter, microwave receiver, and described microwave emitter is used for the microwave to objective emission custom frequencies, including
Microwave signal transmitter module (1), microwave frequency and bandwidth customized module (2), angle measurement module (3)；Described microwave receiver
Be used for receive custom frequencies microwave signal, record walk when speed and time, carry out convergence calculate, storage and data transfer,
Including microwave signal receiver module (4), microwave frequency customized module (5), time and speed measurement module (6), data processing and
Display module (7), data storage and transport module (8)；Described microwave sounding target (9) is one or more；
It is characterized in that:
Described microwave emitter is used for the microwave to objective emission custom frequencies,
Wherein microwave signal transmitter module (1) converts electric energy to microwave signal, launches microwave；
Microwave frequency and bandwidth customized module (2) are used for customizing the microwave signal of fixed frequency and bandwidth, and different observation groups adopt
Different frequencies；
Angle measurement module (3) measurement and the direction determining transmitting microwave signal；
Described microwave receiver be used for receive custom frequencies microwave signal, record walk when speed and time, carry out convergence calculate,
Storage and data transfer,
Wherein microwave signal receiver module (4) is used for receiving the microwave signal of fixed frequency and bandwidth；
Microwave frequency customized module (5) is used for customizing the frequency of receipt signal, and the frequency of different observation groups is different；
Time and speed measurement module (6) are used for measuring speed when walking of microwave signal, time when walking；
The convergence in data processing and display module (7) the Time Calculation tunnel according to the direction of transmitting microwave signal, frequency with when walking
Value, and shown with the signal of telecommunication；
Data storage and transport module (8) are by fixing form real-time storage the data measuring, and have online data biography
Defeated and wireless transmission function；
Described microwave sounding target (9) is used for reflected microwave signal, buries one or more microwave soundings in investigative range simultaneously
Target measures simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036570.6A CN103776359B (en) | 2014-01-25 | 2014-01-25 | Convergence monitoring sensor for tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036570.6A CN103776359B (en) | 2014-01-25 | 2014-01-25 | Convergence monitoring sensor for tunnel |
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| Publication Number | Publication Date |
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| CN103776359A CN103776359A (en) | 2014-05-07 |
| CN103776359B true CN103776359B (en) | 2017-01-18 |
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| CN201410036570.6A Expired - Fee Related CN103776359B (en) | 2014-01-25 | 2014-01-25 | Convergence monitoring sensor for tunnel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258674B (en) * | 2015-10-13 | 2018-06-29 | 中国十七冶集团有限公司 | A kind of tunnel subsidence and convergent observation procedure |
| CN109655006A (en) * | 2017-10-10 | 2019-04-19 | 洪习成 | A kind of tunnel subsidence convergence automatic measurement system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2911606Y (en) * | 2006-06-06 | 2007-06-13 | 北京光电技术研究所 | Bounded detection fast measurer for tunnel |
| CN102506721A (en) * | 2011-11-07 | 2012-06-20 | 中南大学 | Laser-based deformation displacement measurement method |
| CN102589438A (en) * | 2011-12-01 | 2012-07-18 | 中建八局大连建设工程有限公司 | Method for detecting vault subsidence and clearance convergence of tunnel |
| CN103486977A (en) * | 2013-09-13 | 2014-01-01 | 河南理工大学 | Method for rapidly measuring great section cave dwelling room surrounding rock convergence |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11306313A (en) * | 1998-04-23 | 1999-11-05 | Sanyo Sokki Kk | Detector for passing of wild animal |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2911606Y (en) * | 2006-06-06 | 2007-06-13 | 北京光电技术研究所 | Bounded detection fast measurer for tunnel |
| CN102506721A (en) * | 2011-11-07 | 2012-06-20 | 中南大学 | Laser-based deformation displacement measurement method |
| CN102589438A (en) * | 2011-12-01 | 2012-07-18 | 中建八局大连建设工程有限公司 | Method for detecting vault subsidence and clearance convergence of tunnel |
| CN103486977A (en) * | 2013-09-13 | 2014-01-01 | 河南理工大学 | Method for rapidly measuring great section cave dwelling room surrounding rock convergence |
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Effective date of registration: 20200515 Address after: 100020 No. 1005-24-101, Huihe South Street, Banbidian village, Gaobeidian Township, Chaoyang District, Beijing Patentee after: BEIJING FUDI SURVEY AND MAPPING Co.,Ltd. Address before: 100124 Chaoyang District, Beijing Ping Park, No. 100 Patentee before: Beijing University of Technology |
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