CN202994341U - Ground pressure sensing device - Google Patents
Ground pressure sensing device Download PDFInfo
- Publication number
- CN202994341U CN202994341U CN 201220584325 CN201220584325U CN202994341U CN 202994341 U CN202994341 U CN 202994341U CN 201220584325 CN201220584325 CN 201220584325 CN 201220584325 U CN201220584325 U CN 201220584325U CN 202994341 U CN202994341 U CN 202994341U
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- CN
- China
- Prior art keywords
- keel
- pedestal
- side deformation
- sensing device
- pressure sensing
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Abstract
The utility model discloses a ground pressure sensing device comprising a base and a keel, wherein a plurality of optical fiber bend sensing units are installed between the base and the keel, an elastic buffering material is installed between the base and the keel, a covering material is paved on the keel, and the optical fiber bend sensing units are connected with a far-end testing unit through transmitting optical fibers; the optical fiber bend sensing unit comprises a curved bracket, a plurality of A side deformation teeth and a plurality of B side deformation teeth are arranged on the two opposite sides of the curved bracket, the plurality of A side deformation teeth and the plurality of B side deformation teeth are arranged in a stagger manner, and one or a plurality of curved passages for penetrating signal optical fibers are formed between the heads of the A side deformation teeth and the B side deformation teeth, the A side deformation teeth and the B side deformation teeth are correspondingly arranged on the two sides of the signal optical fibers, and the signal optical fibers are connected with the testing unit through transmitting optical fibers. The ground pressure sensing device has the advantages of low cost, long service life, stable operation and low false positive rate, etc.
Description
Technical field
The utility model relates to a kind of sensing device, particularly relates to a kind of geostatic pressure sensing device.
Background technology
The circumference security protection is an important link of safety-protection system, common is exactly enclosure wall, but be not suitable for building enclosure wall in many occasions, as the circumference towards lakeside, to have a strong impact on landscape and sight line after building enclosure wall, and circumference monitoring device herein is ground as main to be placed in, though the systems such as microwave monitoring method, leaky cable monitoring method and fiber optic interferometric vibratory drilling method are arranged now, but under the interference of anti-electromagnetic interference (EMI) or the vibration of other non-intrudings, make these misreport of system rates higher, certain difficulty is arranged in actual applications.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of geostatic pressure sensing device is provided.This geostatic pressure sensing device has the advantages such as cost is low, the life-span long, stable, rate of false alarm is low.
for achieving the above object, the technical solution adopted in the utility model is: a kind of geostatic pressure sensing device, it is characterized in that: comprise pedestal and keel, a plurality of Fiber bending sensings unit is installed between described pedestal and keel, between described pedestal and keel and be positioned at inside, Fiber bending sensing unit and also be equipped with for the elastomeric cushion material that connects pedestal and keel, be equipped with cladding material on described keel, the shape of described cladding material and pedestal is suitable, described elastomeric cushion material is strip, described Fiber bending sensing unit is connected with the test cell of far-end by Transmission Fibers, described Fiber bending sensing unit comprises the shaped form support, the upper end of described shaped form support is fixed on the bottom surface of keel, the lower end of described shaped form support is fixed on the end face of pedestal, relative both sides on described shaped form support are laid with a plurality of A side distortion teeth and a plurality of B side distortion tooth, be between staggered laying and head both between a plurality of A side distortion teeth and a plurality of B side distortion tooth and form the shaped form passage that passes for one or more signal optical fibres, A side distortion tooth and B side distortion tooth correspondence are laid in signal optical fibre both sides, described signal optical fibre is connected with test cell by Transmission Fibers.
Above-mentioned a kind of geostatic pressure sensing device is characterized in that: described cladding material is batten, timber floor, floor tile or slabstone.
Above-mentioned a kind of geostatic pressure sensing device is characterized in that: described elastomeric cushion material is block rubber.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, precision is high, and cost is low.
When 2, the utility model uses, when having the people to be positioned on cladding material, its body weight will be applied to the Fiber bending sensing unit by keel, then just can monitor the variation of the luminous power of transmitting optical signal in the Fiber bending sensing unit at the test cell of far-end, thereby reach the purpose of circumference monitoring.Common people's body weight at least all more than tens of kilograms, just can mask the possibility of great majority wrong report, thereby reach the low advantage of rate of false alarm due to this point.
3, of the present utility modelly realize that cost is low, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, and long service life has the advantages such as cost is low, the life-span long, stable, rate of false alarm is low, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model Fiber bending sensing unit.
Description of reference numerals:
1-pedestal; 2-Fiber bending sensing unit; 2-1-shaped form support;
2-2-A side distortion tooth; 2-3-B side distortion tooth; 3-keel;
4-cladding material; 5-elastomeric cushion material; 6-test cell;
7-Transmission Fibers; 8-signal optical fibre.
Embodiment
a kind of geostatic pressure sensing device as shown in Figure 1, comprise pedestal 1 and keel 3, a plurality of Fiber bending sensings unit 2 is installed between described pedestal 1 and keel 3, between described pedestal 1 and keel 3 and be positioned at 2 inside, Fiber bending sensing unit and also be equipped with for the elastomeric cushion material 5 that connects pedestal 1 and keel 3, be equipped with cladding material 4 on described keel 3, described cladding material 4 is suitable with the shape of pedestal 1, described elastomeric cushion material 5 is strip, and described Fiber bending sensing unit 2 is connected with the test cell 6 of far-end by Transmission Fibers 7, described Fiber bending sensing unit 2 comprises shaped form support 2-1, the upper end of described shaped form support 2-1 is fixed on the bottom surface of keel 3, the lower end of described shaped form support 2-1 is fixed on the end face of pedestal 1, relative both sides on described shaped form support 2-1 are laid with a plurality of A side distortion tooth 2-2 and a plurality of B side distortion tooth 2-3, be between staggered laying and head both between a plurality of A side distortion tooth 2-2 and a plurality of B side distortion tooth 2-3 and form the shaped form passage that passes for one or more signal optical fibres 8, A side distortion tooth 2-2 and B side distortion tooth 2-3 correspondence are laid in signal optical fibre 8 both sides, described signal optical fibre 8 is connected with test cell 6 by Transmission Fibers 7.Described cladding material 4 is batten, timber floor, floor tile or slabstone.Preferred way is, a plurality of Fiber bending sensings unit 2 is serial connection mutually, and described elastomeric cushion material 5 is block rubber.
During use, when having the people to be positioned on cladding material 4, its body weight will be applied to Fiber bending sensing unit 2 by keel 3, then just can monitor the variation of the luminous power of transmitting optical signal in Fiber bending sensing unit 2 at the test cell 6 of far-end, thereby reaches the purpose of circumference monitoring.Common people's body weight because this point just can mask the possibilities that great majority are reported by mistake, as the face impact of passing by and bringing from it such as cat and dog, thereby reaches the low advantage of rate of false alarm at least all more than tens of kilogram.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (3)
1. geostatic pressure sensing device, it is characterized in that: comprise pedestal (1) and keel (3), between described pedestal (1) and keel (3), a plurality of Fiber bending sensings unit (2) are installed, between described pedestal (1) and keel (3) and be positioned at inside, Fiber bending sensing unit (2) and also be equipped with for the elastomeric cushion material (5) that connects pedestal (1) and keel (3), be equipped with cladding material (4) on described keel (3), described cladding material (4) is suitable with the shape of pedestal (1), described elastomeric cushion material (5) is strip, described Fiber bending sensing unit (2) is connected with the test cell (6) of far-end by Transmission Fibers (7), described Fiber bending sensing unit (2) comprises shaped form support (2-1), the upper end of described shaped form support (2-1) is fixed on the bottom surface of keel (3), the lower end of described shaped form support (2-1) is fixed on the end face of pedestal (1), relative both sides on described shaped form support (2-1) are laid with a plurality of A side distortion teeth (2-2) and a plurality of B side distortion tooth (2-3), be between staggered laying and head both between a plurality of A side distortion teeth (2-2) and a plurality of B side distortion tooth (2-3) and form the shaped form passage that passes for one or more signal optical fibres (8), A side distortion tooth (2-2) and B side are out of shape tooth (2-3) correspondence and are laid in signal optical fibre (8) both sides, described signal optical fibre (8) is connected with test cell (6) by Transmission Fibers (7).
2. a kind of geostatic pressure sensing device according to claim 1 is characterized in that: described cladding material (4) is batten, timber floor, floor tile or slabstone.
3. a kind of geostatic pressure sensing device according to claim 1, it is characterized in that: described elastomeric cushion material (5) is block rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220584325 CN202994341U (en) | 2012-11-08 | 2012-11-08 | Ground pressure sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220584325 CN202994341U (en) | 2012-11-08 | 2012-11-08 | Ground pressure sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994341U true CN202994341U (en) | 2013-06-12 |
Family
ID=48565513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220584325 Expired - Fee Related CN202994341U (en) | 2012-11-08 | 2012-11-08 | Ground pressure sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442801A (en) * | 2015-11-26 | 2016-03-30 | 江苏升茂塑胶制品有限公司 | Array sensor type fireproof floor |
| CN106600868A (en) * | 2017-01-24 | 2017-04-26 | 青岛工学院 | Foot pad type antitheft alarm apparatus |
| US10145681B2 (en) | 2016-07-19 | 2018-12-04 | Corning Incorporated | Brillouin-based distributed bend fiber sensor and method for using same |
-
2012
- 2012-11-08 CN CN 201220584325 patent/CN202994341U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442801A (en) * | 2015-11-26 | 2016-03-30 | 江苏升茂塑胶制品有限公司 | Array sensor type fireproof floor |
| US10145681B2 (en) | 2016-07-19 | 2018-12-04 | Corning Incorporated | Brillouin-based distributed bend fiber sensor and method for using same |
| CN106600868A (en) * | 2017-01-24 | 2017-04-26 | 青岛工学院 | Foot pad type antitheft alarm apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131108 |