CN104005795B - A kind of tunnel clearance monitoring security alarm instrument - Google Patents
A kind of tunnel clearance monitoring security alarm instrument Download PDFInfo
- Publication number
- CN104005795B CN104005795B CN201410268571.3A CN201410268571A CN104005795B CN 104005795 B CN104005795 B CN 104005795B CN 201410268571 A CN201410268571 A CN 201410268571A CN 104005795 B CN104005795 B CN 104005795B
- Authority
- CN
- China
- Prior art keywords
- time
- real
- convergence
- rate
- distance
- 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
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of tunnel clearance monitoring security alarm instrument, including reflex reflector and alert process device；Alert process device includes housing, is arranged on the laser emission port of surface of shell, display screen, shift knob, alarm button, supply hub and is integrated in enclosure interior processor；Processor is for launching laser according to certain frequency in real time, and receives the laser reflected through offside reflex reflector；By the real-time distance to the initial distance of the real-time previous moment of method of laser ranging, later moment in time, the statistical process time, calculate rate of convergence in real time according to the initial distance of previous moment, the real-time distance of later moment in time and observation time；Judge that whether current time rate of convergence is more than rate of convergence standard value；If so, then automatically control startup alarm button and send alarm signal；The absolute value of rate of convergence=(initial distance-real-time distance)/observation time.
Description
Technical field
The present invention relates to monitoring device technical field, particularly relate to a kind of tunnel clearance monitoring security alarm instrument.
Background technology
Current constructing tunnel (includes railway, highway, subway, diversion tunnel etc.), in digging process, is required for the tunnel to having be carried out supporting and is monitored.The content of must surveying of monitoring includes vault sinking, headroom change, ground settlement.The measuring instrument that wherein headroom change is conventional is convergence instrument, including digital readout convergence instrument and steel ruler convergence instrument.
No matter being digital readout convergence instrument or steel ruler convergence instrument, be all arrange a, b measuring point at side wall referring to Fig. 1, then pass through steel ruler and connect a, b measuring point, digital readout convergence instrument directly reads the spacing of both sides point from instrument, and steel ruler convergence instrument manually reads the spacing of two measuring points.
Wherein, the frequency of tunnel monitoring is determined according to the distance of control point to excavation face, and general distance is when the tunnel excavation width of 0-1 times, and monitoring frequency is 2 times/day；During the tunnel excavation width of 1-2 times, monitoring frequency is 1 times/day；Later along with the constantly change of the distance of control point to excavation face is big, monitoring frequency is gradually reduced, until stable.
When the distance of control point to excavation face is less, it is very risky that Tunnel Landslide deforms.Employing convergence instrument is observed, and frequency is not enough, it is impossible to observation data are realized lasting collection, and the labor intensity of engineers and technicians is very big.At present, after a lot of preliminary bracings complete, tunnel still caves in, generation accident, and often because failing to realize uninterrupted observation, or Engineering Technician is negligent of observing and causes.
Therefore, how solving the problems referred to above is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of tunnel clearance monitoring security alarm instrument, in order to solve above-mentioned technical problem.
The invention provides a kind of tunnel clearance monitoring security alarm instrument, including the reflex reflector on a point being fixed on tunnel one sidewall and be fixed on the alert process device on the b point of another sidewall of tunnel；
Described alert process device includes housing, is arranged on the laser emission port of described surface of shell, display screen, shift knob, alarm button, supply hub and is integrated in described enclosure interior processor, and wherein said processor electrically connects with described display screen, shift knob, alarm button respectively；
Described processor, for launching laser according to certain frequency in real time, and receives the laser reflected through offside reflex reflector；By the real-time distance to the initial distance of the real-time previous moment of method of laser ranging, later moment in time, the statistical process time, calculate rate of convergence in real time according to the initial distance of previous moment, the real-time distance of later moment in time and observation time；Judge that whether current time rate of convergence is more than rate of convergence standard value；If so, then automatically control startup alarm button and send alarm signal；
The absolute value of described rate of convergence=(initial distance-real-time distance)/observation time.
It is preferred that described display screen, for the display initial distance of previous moment, the real-time distance of later moment in time, observation time, four numerical value of rate of convergence in real time.
It is preferred that described rate of convergence standard value is 1mm/ days.
It is preferred that described reflex reflector includes the reflector of side and is fixed on the sleeve of described reflector；The shell one end of described alert process device also includes sleeve；
Described reflex reflector and described alert process device are fixed on sidewall respectively through screw rod, and one end of described screw rod is provided with the connection tunnel-side that is screwed, and the other end coordinates fixing respectively with the sleeve pipe pin-and-hole on described reflex reflector and described alert process device.
It is preferred that described alarm button is for when sending alarm signal, sending the HONGGUANG of flicker.
It is preferred that described tunnel clearance monitoring security alarm instrument also includes radio transmitting device；
Described radio transmitting device is set up telecommunication for foundation with PC and is connected.
It is preferred that described radio transmitting device includes bluetooth, GPRS communication module.
Compared with prior art, this have the advantage that:
A kind of tunnel clearance monitoring security alarm instrument provided by the invention, analyzes said structure known: tunnel clearance monitoring security alarm instrument utilizes laser ranging technique, and integrating tunnel security alarm technology can implement automatically to start operation of reporting to the police；Owing to tunnel entirety can occur micro-deformation even to cave in, so the distance (monitoring between a, b 2) between the two side in monitoring tunnel is significant；By the real-time distance to the initial distance of the real-time previous moment of method of laser ranging, later moment in time, and the calculating observation time, then the relational expression according to the initial distance of previous moment, the real-time distance of later moment in time and observation time, calculates rate of convergence in real time；If the rate of convergence calculated in real time obviously is more than rate of convergence standard value (i.e. setting), then judge that the rate of convergence of current time exceeds standard, and tunnel exists bigger landslide risk；Such tunnel clearance monitoring security alarm instrument then controls to start to perform operation of reporting to the police；
Above-mentioned tunnel clearance monitoring security alarm instrument can ensure that real-time measurement, it is possible to realizes intelligent alarm control, more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation in tunnel；
Fig. 2 monitors the structural representation of screw rod in security alarm instrument for the tunnel clearance that the embodiment of the present invention provides；
Fig. 3 monitors the structural representation of reflex reflector in security alarm instrument for the tunnel clearance that the embodiment of the present invention provides；
Fig. 4 monitors the structural representation of alert process device in security alarm instrument for the tunnel clearance that the embodiment of the present invention provides；
Fig. 5 is the cross-sectional view of Fig. 4；
The tunnel clearance monitoring security alarm instrument assembling structural representation that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of tunnel clearance monitoring security alarm instrument, including reflex reflector 10 (i.e. parts 2 on a point being fixed on tunnel one sidewall, referring to Fig. 3) and it is fixed on the alert process device 11 (i.e. parts 3, referring to Fig. 4) on the b point of another sidewall of tunnel；
Referring to Fig. 4, described alert process device 11 includes housing, is arranged on the laser emission port 12 (see also Fig. 5) of described surface of shell, display screen 13, shift knob 14, alarm button 15, supply hub, power line 16 and is integrated in described enclosure interior processor (not shown), and wherein said processor electrically connects with described display screen, shift knob, alarm button respectively；
Described processor, for launching laser according to certain frequency in real time, and receives the laser reflected through offside reflex reflector；By the real-time distance to the initial distance of the real-time previous moment of method of laser ranging, later moment in time, the statistical process time, calculate rate of convergence in real time according to the initial distance of previous moment, the real-time distance of later moment in time and observation time；Judge that whether current time rate of convergence is more than rate of convergence standard value；If so, then automatically control startup alarm button and send alarm signal；
The absolute value of described rate of convergence=(initial distance-real-time distance)/observation time.
It is preferred that described display screen, for the display initial distance of previous moment, the real-time distance of later moment in time, observation time, four numerical value of rate of convergence in real time.Described rate of convergence standard value is 1mm/ days.
It should be noted that in embodiments of the present invention, processor is the chip of large scale integrated circuit composition.Integrated circuit (control mainboard) is integrated with chip, described integrated circuit is also integrated with and meets the interlock circuit of embodiment of the present invention modules function, device (such as: the devices such as memorizer, input and output (I/O)).Processor is mainly used in judgement when starting and control processes.Those skilled in the art are to be understood that, developer can utilize assembler language or C language or VHDL language to carry out processor chips functional development, or by related software realize the setting of configuration parameter (such as: the rate of convergence standard value preset is 1mm/ days or the parameter such as time, monitoring frequency) and realize starting by execution program control automatically process operation.Program is burnt after processor chips by developer, realizes integral control circuit by integrated to interlock circuit and processor chips to control mainboard.
It is preferred that described reflex reflector 10 includes the reflector 101 of side and is fixed on the sleeve 102 of described reflector；The shell one end of described alert process device 11 is also equipped with sleeve 111；Described reflex reflector and described alert process device are respectively through screw rod 18 (i.e. parts 2, referring to Fig. 2) it is fixed on sidewall, one end of described screw rod is provided with the connection tunnel-side that is screwed, and the other end coordinates fixing respectively with the sleeve pipe pin-and-hole on described reflex reflector and described alert process device.
It is preferred that described tunnel clearance monitoring security alarm instrument also includes radio transmitting device；
Described radio transmitting device is set up telecommunication for foundation with PC and is connected.Described radio transmitting device includes bluetooth, GPRS communication module.
Such as: GPRS digital transmission module (i.e. GPRS communication module), by GPRS or short message way remote transmission data, it is particularly well-suited to solar powered monitoring occasion, solar powered cost can be greatly reduced and reduce difficulty of construction, being widely used in the industries such as meteorology, hydrology and water conservancy, geology.
Concrete installation and the service condition of the tunnel clearance monitoring security alarm the instrument below embodiment of the present invention provided are done and are illustrated:
At a, b point installing component 1, screw rod is the round steel of 20, and one section is fixed on side wall.
At a point, installing component 2, parts 2 and parts 1 by the sleeve connection on parts 2.
At b point, installing component 3, parts 3 and parts 1 by the sleeve connection on parts 3.
On parts 3, it is provided with laser emission port, display screen, shift knob, alarm button, supply hub.Laser emission port, by the luminous plaque in Laser emission to parts 2, it is achieved light transmits between.Display screen can show initial distance, in real time distance, observation time, four numerical value of rate of convergence in time, the absolute value of rate of convergence=(initial distance-real-time distance)/observation time, wherein observation time is initial distance and the difference of real-time range reading time.If rate of convergence > setting configured in parts 3 1mm/ days, alarm button sends HONGGUANG.
On parts 3, radio transmitting device is set, it is possible to connected by bluetooth and computer, the video data observed on display screen that can be real-time by computer.
The such environmental effects such as steel ruler convergence instrument and the digital display convergence instrument person of being operated, temperature are relatively big, and can not real-time monitored.The present invention, once install, is not substantially affected by the impact of environmental factors, and precision is high, and can realize real-time monitored, can reduce again the labor intensity of technical staff.The generation of accident is premonitory often, monitoring security alarm instrument by above-mentioned tunnel clearance and can realize continual observation, if the data of observation are beyond the permissible value set, instrument can send signal, remind workmen to take appropriate measures, can effectively avoid the generation of accident.
The key technology point of the embodiment of the present invention:
1, measure distance, on a display screen video data in real time, and calculate current time rate of convergence in real time, compare with rate of convergence standard value (i.e. setting).
2, rate of convergence exceedes rate of convergence standard value, and alarm button sends alarm signal.
3, wireless transmission function is passed through, it is achieved immediately observe data in office.
Those skilled in the art are to be understood that, a kind of tunnel clearance monitoring security alarm instrument that the embodiment of the present invention provides, can according to laser ranging technique real time distance, and calculate rate of convergence in real time by computer technology, judge whether landslide risk, if automatically starting controlling alarm operation, ensure constructing tunnel job safety.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (5)
1. a tunnel clearance monitoring security alarm instrument, it is characterised in that:
Including the reflex reflector on a point being fixed on tunnel one sidewall and be fixed on the alert process device on the b point of another sidewall of tunnel；
Described alert process device includes housing, is arranged on the laser emission port of described surface of shell, display screen, shift knob, alarm button, supply hub and is integrated in described enclosure interior processor, and wherein said processor electrically connects with described display screen, shift knob, alarm button respectively；
Described processor, for launching laser according to certain frequency in real time, and receives the laser reflected through offside reflex reflector；By the real-time distance to the initial distance of the real-time previous moment of method of laser ranging, later moment in time, the statistical process time, calculate rate of convergence in real time according to the initial distance of previous moment, the real-time distance of later moment in time and observation time；Judge that whether current time rate of convergence is more than rate of convergence standard value；If so, then automatically control startup alarm button and send alarm signal；
The absolute value of described rate of convergence=(initial distance-real-time distance)/observation time；
Described display screen, for the display initial distance of previous moment, the real-time distance of later moment in time, observation time, four numerical value of rate of convergence in real time；
Described rate of convergence standard value is 1mm/ days.
2. tunnel clearance according to claim 1 monitoring security alarm instrument, it is characterised in that:
Described reflex reflector includes the reflector of side and is fixed on the sleeve of described reflector；The shell one end of described alert process device also includes sleeve；
Described reflex reflector and described alert process device are fixed on sidewall respectively through screw rod, and one end of described screw rod is provided with the connection tunnel-side that is screwed, and the other end coordinates fixing respectively with the sleeve pipe pin-and-hole on described reflex reflector and described alert process device.
3. tunnel clearance according to claim 1 monitoring security alarm instrument, it is characterised in that:
Described alarm button is for when sending alarm signal, sending the HONGGUANG of flicker.
4. tunnel clearance according to claim 1 monitoring security alarm instrument, it is characterised in that:
Described tunnel clearance monitoring security alarm instrument also includes radio transmitting device；
Described radio transmitting device is set up telecommunication for foundation with PC and is connected.
5. tunnel clearance according to claim 4 monitoring security alarm instrument, it is characterised in that:
Described radio transmitting device includes bluetooth, GPRS communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268571.3A CN104005795B (en) | 2014-06-16 | 2014-06-16 | A kind of tunnel clearance monitoring security alarm instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268571.3A CN104005795B (en) | 2014-06-16 | 2014-06-16 | A kind of tunnel clearance monitoring security alarm instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104005795A CN104005795A (en) | 2014-08-27 |
| CN104005795B true CN104005795B (en) | 2016-06-29 |
Family
ID=51366667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410268571.3A Expired - Fee Related CN104005795B (en) | 2014-06-16 | 2014-06-16 | A kind of tunnel clearance monitoring security alarm instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005795B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703801B (en) * | 2017-09-30 | 2024-04-16 | 云南云岭高速公路交通科技有限公司 | All-weather tunnel primary support collapse early warning system and use method thereof |
| CN110360933A (en) * | 2019-06-27 | 2019-10-22 | 上海二十冶建设有限公司 | Tunnel inverted arch construction stage country rock horizontal convergence monitoring device and its application method |
| CN114152239A (en) * | 2021-11-04 | 2022-03-08 | 盐城工学院 | Surface layer settlement measuring method and observation device thereof |
| CN114268855A (en) * | 2021-12-01 | 2022-04-01 | 广东建采网科技有限公司 | Data acquisition method and system of convergence instrument based on LoRa wireless transmission technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458069A (en) * | 2008-12-30 | 2009-06-17 | 中铁二十四局集团福建铁路建设有限公司 | Tunnel wall rock deformation monitoring method and monitoring system thereof |
| CN202074964U (en) * | 2011-05-17 | 2011-12-14 | 中铁西南科学研究院有限公司 | Tunnel convergence laser monitoring system |
| CN102297661A (en) * | 2011-07-25 | 2011-12-28 | 中国科学院武汉岩土力学研究所 | Laser convergence apparatus |
| CN102506721A (en) * | 2011-11-07 | 2012-06-20 | 中南大学 | Laser-based deformation displacement measurement method |
| CN102768018A (en) * | 2012-07-31 | 2012-11-07 | 大连海事大学 | Laser measurement device for measuring displacement of underground engineering rock mass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005331363A (en) * | 2004-05-20 | 2005-12-02 | Taisei Corp | Method for monitoring cutting face of tunnel, and instrument for measuring the cutting face of tunnel |
-
2014
- 2014-06-16 CN CN201410268571.3A patent/CN104005795B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458069A (en) * | 2008-12-30 | 2009-06-17 | 中铁二十四局集团福建铁路建设有限公司 | Tunnel wall rock deformation monitoring method and monitoring system thereof |
| CN202074964U (en) * | 2011-05-17 | 2011-12-14 | 中铁西南科学研究院有限公司 | Tunnel convergence laser monitoring system |
| CN102297661A (en) * | 2011-07-25 | 2011-12-28 | 中国科学院武汉岩土力学研究所 | Laser convergence apparatus |
| CN102506721A (en) * | 2011-11-07 | 2012-06-20 | 中南大学 | Laser-based deformation displacement measurement method |
| CN102768018A (en) * | 2012-07-31 | 2012-11-07 | 大连海事大学 | Laser measurement device for measuring displacement of underground engineering rock mass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104005795A (en) | 2014-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104005795B (en) | A kind of tunnel clearance monitoring security alarm instrument | |
| KR101008251B1 (en) | Method for Measuring Remote Automatic of Construction using Radio Sensor Network and System thereof | |
| JP5224871B2 (en) | Equipment monitoring system using wireless communication | |
| KR101083627B1 (en) | System for safety measure of structure using inclinometer | |
| CN110751811A (en) | Geological disaster monitoring and early warning system based on Beidou high-precision satellite positioning | |
| CN104296803A (en) | Digital nuclear facility environmental radiation monitoring system | |
| US11774318B2 (en) | Force and inclination monitoring system with self-position recognition | |
| CN108007378B (en) | Deformation monitoring integrated system and use method thereof | |
| CN106840265A (en) | A kind of scaffold safety pre-warning system | |
| CN105347192A (en) | Online monitoring system and method of deflection of portal crane girder | |
| CN105952495A (en) | Wireless positioning portable tunnel construction safety warning system and wireless positioning portable tunnel construction safety warning method | |
| KR20210115388A (en) | Safety monitoring system of tower crane | |
| CN110307036B (en) | Variable cross-section tunnel structure full-life monitoring and early warning method | |
| CN204002933U (en) | A kind of tunnel clearance monitoring security alarm instrument | |
| JP6929162B2 (en) | Observation setting management system and observation setting management method | |
| CN206546154U (en) | A kind of penetration pipe displacement monitor | |
| CN107493317A (en) | Bridge structure relative deformation monitoring system and method based on BDS | |
| CN107091116B (en) | Tunnel construction disaster synchronous monitoring warning device and its application method | |
| CN116428007A (en) | Underground cavern construction safety early warning method, device and system | |
| JP2006084325A (en) | Radiation measuring system | |
| CN109319671A (en) | Safe distance warning device | |
| CN214151052U (en) | Warning device for preventing falling of drilling machine | |
| CN210346830U (en) | Low-power consumption water level test terminal | |
| CN104295320A (en) | Intelligent tunnel construction safety monitoring system | |
| CN209445985U (en) | A kind of mined out caving zone horizontal deformation of soil body at worked monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |