CN204728302U - A kind of base pit stability prior-warning device - Google Patents
A kind of base pit stability prior-warning device Download PDFInfo
- Publication number
- CN204728302U CN204728302U CN201520484192.8U CN201520484192U CN204728302U CN 204728302 U CN204728302 U CN 204728302U CN 201520484192 U CN201520484192 U CN 201520484192U CN 204728302 U CN204728302 U CN 204728302U
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- warning device
- base pit
- strain transducer
- grating strain
- stability prior
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Abstract
The utility model belongs to rock and soil engineering detection device technique field, specifically, relates to a kind of base pit stability prior-warning device.It comprises distributed grating strain transducer, stationary nodes, signal sampler, onsite alarming device, signal projector and Surveillance center's computer; Described distributed grating strain transducer imbeds foundation ditch surrounding and bottom, and fixes at each stationary nodes place, can be harmonious with soil deformation; Described signal sampler connects with distributed grating strain transducer, and it is also connected with onsite alarming device and signal projector respectively; Described signal projector is also connected with Surveillance center computer.Compared with prior art, base pit stability prior-warning device described in the utility model has the features such as cost is low, enforcement is convenient, accurate safety, antijamming capability are strong.
Description
Technical field
The utility model belongs to rock and soil engineering detection device technique field, specifically, relates to a kind of base pit stability prior-warning device.
Background technology
Along with carrying out of various Foundation Design, the safety of base pit engineering and stability state are related to the security of the lives and property of the mankind and the normal operation of all kinds of engineering services, therefore need to monitor in real time base pit stability and safety.Such as, Chinese patent (CN 203034434A) is although disclose a kind of deep foundation ditch EW system, but it needs to use inclinometer, pressure cell, axle power meter, hydrostatic level, interstitial hydraulic pressure meter are measured parameters, this disturbing factor such as system source and temperature is more, affect construction speed, complex procedures, cost are high.
Summary of the invention
For solving the problems of the technologies described above, the utility model provide a kind of cost low, implement convenient, accurately safety, base pit stability prior-warning device that antijamming capability is strong.
A kind of base pit stability prior-warning device described in the utility model, described base pit stability prior-warning device comprises distributed grating strain transducer 1, stationary nodes 2, signal sampler 3, onsite alarming device 4, signal projector 5 and Surveillance center's computer 6; Described distributed grating strain transducer 1 imbeds foundation ditch surrounding and bottom, and fixes at each stationary nodes 2 place, can be harmonious with soil deformation; Described signal sampler 3 connects with distributed grating strain transducer 1, and it is also connected with onsite alarming device 4 and signal projector 5 respectively; Described signal projector 5 is also connected with Surveillance center computer 6.
A kind of base pit stability prior-warning device described in the utility model, described distributed grating strain transducer 1 is arranged to net structure.
A kind of base pit stability prior-warning device described in the utility model, described signal sampler 3 can realize the monitoring of whole day 24 hour data and gather.
A kind of base pit stability prior-warning device described in the utility model, when ANOMALOUS VARIATIONS appears in the data that described signal sampler 3 gathers, triggers presence alarm 4 is reported to the police immediately.
During operation, according to design of foundation pit drawing and actual loading situation, design distribution and the stationary nodes of distributed grating strain transducer, lay good distributed grating strain transducer according to design, imbedded certain depth, and fix at each Nodes; Access signal sampler, onsite alarming device, signal projector, Surveillance center's computer more successively; When Abnormal Deformation appears in on-the-spot foundation ditch, signal sampler data exception, triggers presence alarm is reported to the police immediately, evacuates operating personnel in foundation ditch, and data message is sent to control centre's computer by signal projector simultaneously, and control centre takes emergency preplan immediately.Compared with prior art, base pit stability prior-warning device described in the utility model has the features such as cost is low, enforcement is convenient, accurate safety, antijamming capability are strong.
Accompanying drawing explanation
Fig. 1: base pit stability prior-warning device structural representation; Fig. 2: base pit stability prior-warning device site layout project schematic diagram; Distributed grating strain transducer-1, stationary nodes-2, signal sampler-3, onsite alarming device-4, signal projector-5, Surveillance center's computer-6.
Detailed description of the invention
Below in conjunction with specific embodiment, bridge percolation-proof water discharging pipe described in the utility model is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of base pit stability prior-warning device, described base pit stability prior-warning device comprises distributed grating strain transducer 1, stationary nodes 2, signal sampler 3, onsite alarming device 4, signal projector 5 and Surveillance center's computer 6; Described distributed grating strain transducer 1 imbeds foundation ditch surrounding and bottom, and fixes at each stationary nodes 2 place, can be harmonious with soil deformation; Described signal sampler 3 connects with distributed grating strain transducer 1, and it is also connected with onsite alarming device 4 and signal projector 5 respectively; Described signal projector 5 is also connected with Surveillance center computer 6; Described distributed grating strain transducer 1 length can intercept according to actual demand, and imbeds soil body certain depth; Described distributed grating strain transducer 1 can be arranged to net structure according to foundation ditch true form; Described distributed grating strain transducer 1 accesses signal sampler 3, can realize the monitoring of whole day 24 hour data and gather; When ANOMALOUS VARIATIONS appears in the described data gathered when signal sampler 3, triggers presence alarm 4 is reported to the police immediately, Field Force's emergency evacuation.
During operation, according to design of foundation pit drawing and actual loading situation, design distribution and the stationary nodes of distributed grating strain transducer, lay good distributed grating strain transducer according to design, imbedded certain depth, and fix at each Nodes; Access signal sampler, onsite alarming device, signal projector, Surveillance center's computer more successively; When Abnormal Deformation appears in on-the-spot foundation ditch, signal sampler data exception, triggers presence alarm is reported to the police immediately, evacuates operating personnel in foundation ditch, and data message is sent to control centre's computer by signal projector simultaneously, and control centre takes emergency preplan immediately.Compared with prior art, base pit stability prior-warning device described in the utility model has the features such as cost is low, enforcement is convenient, accurate safety, antijamming capability are strong.
Claims (4)
1. a base pit stability prior-warning device, it is characterized in that, described base pit stability prior-warning device comprises distributed grating strain transducer (1), stationary nodes (2), signal sampler (3), onsite alarming device (4), signal projector (5) and Surveillance center's computer (6); Described distributed grating strain transducer (1) imbeds foundation ditch surrounding and bottom, and fixes at each stationary nodes (2) place, can be harmonious with soil deformation; Described signal sampler (3) connects with distributed grating strain transducer (1), and it is also connected with onsite alarming device (4) and signal projector (5) respectively; Described signal projector (5) is also connected with Surveillance center's computer (6).
2. a kind of base pit stability prior-warning device according to claim 1, is characterized in that, described distributed grating strain transducer (1) is arranged to net structure.
3. a kind of base pit stability prior-warning device according to claim 1, is characterized in that, described signal sampler (3) can realize the monitoring of whole day 24 hour data and gather.
4. a kind of base pit stability prior-warning device according to claim 1, is characterized in that, when ANOMALOUS VARIATIONS appears in the data that described signal sampler (3) gathers, triggers presence alarm (4) is reported to the police immediately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484192.8U CN204728302U (en) | 2015-07-07 | 2015-07-07 | A kind of base pit stability prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484192.8U CN204728302U (en) | 2015-07-07 | 2015-07-07 | A kind of base pit stability prior-warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204728302U true CN204728302U (en) | 2015-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520484192.8U Expired - Fee Related CN204728302U (en) | 2015-07-07 | 2015-07-07 | A kind of base pit stability prior-warning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204728302U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780752A (en) * | 2016-03-24 | 2016-07-20 | 河海大学 | Distributed optical fiber monitoring method for horizontal displacement of support structure of foundation pit |
| CN109191792A (en) * | 2018-08-15 | 2019-01-11 | 温州市城市资源开发工程有限公司 | Stop well construction between a kind of underground deep space of long-range wired control construction |
-
2015
- 2015-07-07 CN CN201520484192.8U patent/CN204728302U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780752A (en) * | 2016-03-24 | 2016-07-20 | 河海大学 | Distributed optical fiber monitoring method for horizontal displacement of support structure of foundation pit |
| CN109191792A (en) * | 2018-08-15 | 2019-01-11 | 温州市城市资源开发工程有限公司 | Stop well construction between a kind of underground deep space of long-range wired control construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20151028 Termination date: 20190707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |