CN103794018A - Optical fiber-type tension fence alarm device - Google Patents
Optical fiber-type tension fence alarm device Download PDFInfo
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- CN103794018A CN103794018A CN201210421020.7A CN201210421020A CN103794018A CN 103794018 A CN103794018 A CN 103794018A CN 201210421020 A CN201210421020 A CN 201210421020A CN 103794018 A CN103794018 A CN 103794018A
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Abstract
The invention discloses an optical fiber-type tension fence alarm device. The optical fiber-type tension fence alarm device comprises a plurality of flexible bars; one end of each flexible rod is connected with a veridical column 1; the other end of each flexible rod is connected with an optical fiber force measuring device; each optical fiber force measuring device comprises a shell, a movable rod and an optical fiber bending sensor unit; the shell is connected with a veridical column 2; one end of the movable rod extends into the shell and is connected with a sliding plate arranged inside the shell; the other end of the movable rod is arranged outside the shell and is connected with a corresponding flexible rod; the optical fiber bending sensor unit sleeves the movable rod and includes a curved-line-shaped support, a plurality of deformation teeth 1 and a plurality of deformation teeth 2 which are continuously distributed at two opposite sides of the curved-line-shaped support, and a signal optical fiber which is clamped between the deformation teeth 1 and the deformation teeth 2; the signal optical fibers is connected with a test unit; and the test unit is connected with an alarm unit. The optical fiber-type tension fence alarm device of the invention has the advantages of reasonable design, convenient manufacture, low cost, flexible use, high sensitivity, wide dynamic monitoring range and high practical value.
Description
Technical field
The present invention relates to a kind of safety apparatus, especially relate to a kind of optical-fiber type tension fence warning device of reporting to the police for boundary defence.
Background technology
All need circumference safety apparatus and intrusion alarm system in occasions such as many residential quarters, school, factory, prison, airports.More for the monitoring device kind of this object in the market, comprise device, video monitoring apparatus, leakage cable unit, vibration wireline device, fence, electrical network, fiber optic interferometric method vibration monitoring device of being placed in the infrared emission on fence etc., also existing application in practice, but due to the restriction of the problem such as technology, cost, existing device also exists many deficiencies, as be subject to electromagnetic interference (EMI), the problem such as serviceable life is short, maintenance cost is high, rate of false alarm is high, rate of failing to report rising.Market is the good circumference safety-protection system of, result of use low in the urgent need to a kind of cost still, and existing device cannot meet this requirement.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of optical-fiber type tension fence warning device is provided, the power value monitoring device of a kind of employing based on novel microbend fiber sensing technology, the precision that this device has microbend fiber sensing technology is high, anti-electromagnetic interference (EMI), the advantage that cost is low, and its light path is the totally enclosed good stability that has, large dynamic range, long-life and anti-vibration characteristic, its checkout equipment can use the modal light source-light power meter of fiber optic communication field, if adopt optical time domain reflectometer monitoring technology, also can reach the object of Distributed localization monitoring, this monitoring device simple in structure, processing and fabricating is convenient, cost is low and use-pattern is flexible, highly sensitive, result of use is good, and can be applicable to inflammable and explosive place, reduce the possibility occurrence of security incident, use value is high, strong adaptability.
For achieving the above object, the technical solution used in the present invention is: a kind of optical-fiber type tension fence warning device, it is characterized in that: comprise many rods, one end of described rods is connected with column one by fixture, the other end of described rods connects optical fiber device for measuring force, described optical fiber device for measuring force is arranged on column two, described column one and column two are installed on basal plane, described optical fiber device for measuring force comprises housing, carriage release lever and be arranged on the Fiber bending sensing unit in housing, described housing is fixedly connected with column two, on described housing, be provided with top cover, on described housing, be provided with the opening being slidably matched with carriage release lever, one end of described carriage release lever is stretched in housing and with the slide plate being arranged in housing and is connected from described opening part, the other end of described carriage release lever is positioned at outside housing, be positioned on the one end of the carriage release lever outside described housing and have pulling eye and be connected with one end of rods by pulling eye, described Fiber bending sensing unit is enclosed within on the carriage release lever between inner walls and slide plate, described Fiber bending sensing unit comprises curved bracket, be laid in continuously multiple distortion teeth one and multiple distortion tooth two of relative both sides in described curved bracket and be held on distortion tooth one and be out of shape the signal optical fibre between tooth two, described multiple distortion tooth one and multiple distortion tooth two are the shaped form test channel that between staggered corresponding laying and the head of the two, formation is passed for one or more signal optical fibres, described distortion tooth one and distortion tooth two correspondences are laid in the both sides of signal optical fibre, described signal optical fibre is connected with the test cell that the optical signal power variable quantity in signal optical fibre is carried out to synchronism detection and analyzing and processing by transmission cable one, described test cell is also connected with alarm unit.
Above-mentioned optical-fiber type tension fence warning device, is characterized in that: be provided with the counterbalance spring joining with one end and Fiber bending sensing units in series in the inside of described housing, the other end of described counterbalance spring and the inwall of housing join.
Above-mentioned optical-fiber type tension fence warning device, is characterized in that: on the inwall of described housing, be provided with groove, on described slide plate, be provided with fin, described fin and groove are slidably matched.
Above-mentioned optical-fiber type tension fence warning device, is characterized in that: described curved bracket is shaped form housing, spring, corrugated tube or cylinder.
Above-mentioned optical-fiber type tension fence warning device, is characterized in that: described rods is wire rope.
Above-mentioned optical-fiber type tension fence warning device, is characterized in that: described rods is monitoring optical cable, and at least one end of described monitoring optical cable is connected with test cell by transmission cable two.
The present invention compared with prior art has the following advantages:
1, simple in structure, processing and fabricating is easy, input cost is low and use-pattern is flexible, highly sensitive.
2, by adopting the monitoring device based on optical fiber micro-bending sensing technology can improve measuring accuracy, and there is good anti-electromagnetic interference capability, corrosion resistance, there is good shock resistance simultaneously, be suitable for Practical Project environmental baseline.
3, its totally enclosed light path detection, has improved stability, the reliability of Fibre Optical Sensor unit, has increased the security of power value sensing device, and has been suitable for being applied in inflammable and explosive place.
4, adopt special optical fiber significantly serviceable life of extended fiber sensing unit, as adopted the carbon coated optical fiber in 200 years Theoretical Design life-spans, can greatly reduce maintenance cost.
5, in the time that monitoring optical cable is cut off, test cell also can monitor, and has further increased the accuracy of monitoring.
In sum, that optical-fiber type tension fence warning device of the present invention has is simple in structure, reasonable in design, processing and fabricating convenient, cost is low and use-pattern is flexible, highly sensitive, monitoring dynamic range is large, practical value is high, and be suitable for inflammable and explosive and chamber electromagnetic interference environment, improve the accuracy of fence to intrusion detection, the rate of false alarm and the rate of failing to report that greatly reduce circumference invasion, have broad application prospects.
Below by drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of optical fiber device for measuring force in embodiment 1.
Fig. 3 is the annexation schematic diagram of Fiber bending sensing unit and transmission cable one in embodiment 1.
Fig. 4 is the cross-sectional view of Fiber bending sensing unit in embodiment 1.
Fig. 5 is the annexation schematic diagram of Fiber bending sensing unit and transmission cable one in embodiment 2.
Fig. 6 is the annexation schematic diagram of Fiber bending sensing unit and transmission cable one in embodiment 3.
Fig. 7 is the partial enlarged drawing at A place in Fig. 6.
Fig. 8 is the annexation schematic diagram of Fiber bending sensing unit and transmission cable one in embodiment 4.
Fig. 9 is the B-B cut-open view of Fig. 8.
The structural representation of Figure 10 embodiment of the present invention 5.
Description of reference numerals:
1-optical cable; 2-housing; 3-top cover;
4-1-distortion tooth one; 4-2-distortion tooth two; 5-test cell;
6-Fiber bending sensing unit; 7-pulling eye; 10-carriage release lever;
11-counterbalance spring; 12-slide plate; 13-fin;
16-groove; 19-shaped form housing; 20-optical fiber device for measuring force;
21-1-column one; 21-2-column two; 23-rods;
24-fixture; 33-signal optical fibre; 36-cylinder;
37-gap; 38-spring; 40-corrugated tube;
42-tube wall.
Embodiment
As shown in Figures 1 to 4, a kind of optical-fiber type tension fence warning device, comprise many rods 23, one end of described rods 23 is connected with column one 21-1 by fixture 24, the other end of described rods 23 connects optical fiber device for measuring force 20, described optical fiber device for measuring force 20 is arranged on column two 21-2, described column one 21-1 and column two 21-2 are installed on basal plane 8, described optical fiber device for measuring force 20 comprises housing 2, carriage release lever 10 and be arranged on the Fiber bending sensing unit 6 in housing 2, described housing 2 is fixedly connected with column two 21-2, on described housing 2, be provided with top cover 3, on described housing 2, be provided with the opening being slidably matched with carriage release lever 10, one end of described carriage release lever 10 is stretched in housing 2 and is connected with the slide plate 12 being arranged in housing 2 from described opening part, the other end of described carriage release lever 10 is positioned at outside housing 2, be positioned at and on the one end of the carriage release lever 10 outside described housing 2, have pulling eye 7 and be connected with one end of rods 23 by pulling eye 7, described Fiber bending sensing unit 6 is enclosed within on the carriage release lever 10 between housing 2 inwalls and slide plate 12, described Fiber bending sensing unit 6 comprises curved bracket, be laid in continuously multiple distortion tooth one 4-1 and multiple distortion tooth two 4-2 of relative both sides in described curved bracket and be held on distortion tooth one 4-1 and be out of shape the signal optical fibre 33 between tooth two 4-2, described multiple distortion tooth one 4-1 and multiple distortion tooth two 4-2 are the shaped form test channel that between staggered corresponding laying and the head of the two, formation is passed for one or more signal optical fibres 33, described distortion tooth one 4-1 and distortion tooth two 4-2 correspondences are laid in the both sides of signal optical fibre 33, described signal optical fibre 33 is connected with the test cell 5 that the optical signal power variable quantity in signal optical fibre 33 is carried out to synchronism detection and analyzing and processing by transmission cable one 1-1, described test cell 5 is also connected with alarm unit 4.
In the present embodiment, described curved bracket is shaped form housing 19, multiple distortion tooth one 4-1 and multiple distortion tooth two 4-2 correspondences are laid on the inwall of shaped form housing 19, and a part for signal optical fibre 33 passes housing 2 and is connected with test cell 5 by transmission cable one 1-1.
Preferably, be provided with the counterbalance spring 11 being connected in series with one end and Fiber bending sensing unit 6 in the inside of described housing 2, the inwall of the other end of described counterbalance spring 11 and housing 2 joins.Because the existence of counterbalance spring 11 can further increase the scope that carriage release lever 10 can be detected, namely can detect the displacement that carriage release lever 10 is larger.
Preferably, be provided with groove 16 on the inwall of described housing 2, on described slide plate 12, be provided with fin 13, described fin 13 is slidably matched with groove 16.
In the present embodiment, described rods 23 is wire rope.
In the time that rods 23 moves carriage release lever 10 due to the effect of power value, the slide plate 12 being fixed on carriage release lever 10 also moves, thereby distortion tooth one 4-1 that makes to be laid in shaped form housing 19 changes with the distance of distortion tooth two 4-2 between cog, distortion tooth one 4-1 changes with the distance of distortion tooth two 4-2 between cog the bending curvature variation that causes being held on signal optical fibre 33 between the two, the bending curvature of signal optical fibre 33 changes the optical signal power that makes to be transmitted in signal optical fibre 33 and changes, record this variable signal and calculate the case of bending of shaped form housing 19 by test cell 5 after transmission cable one 1-1, thereby obtain the distance that carriage release lever 10 moves, and further pass to alarm unit 4 and give a warning.
In the present embodiment, signal optical fibre 33 is filled with material water-proof material around, as greasy for preventing water or the adhesive that blocks water, prevents hydrone or the erosion of other impurity to signal optical fibre 33, extends the serviceable life of signal optical fibre 33.
In the present embodiment, signal optical fibre 33 can adopt the special optical fibers such as carbon coated optical fiber, pi coated fiber, metallic coating signal optical fibre, thin footpath optical fiber.
As shown in Figure 5, the present embodiment is as different from Example 1: the curved bracket comprising in described Fiber bending sensing unit 6 is spring 38, multiple distortion tooth one 4-1 and multiple distortion tooth two 4-2 correspondences are laid in spring 38 between two adjacent rings spring wire, and distortion tooth one 4-1 and the interlaced laying of distortion tooth two 4-2.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
As shown in Figures 6 and 7, the present embodiment is as different from Example 1: the curved bracket comprising in described Fiber bending sensing unit 6 is corrugated tube 40, distortion tooth one 4-1 and distortion tooth two 4-2 correspondences be laid on the tube wall 42 of corrugated tube 40 in the two opposite side surfaces of recess, and distortion tooth one 4-1 and the interlaced laying of distortion tooth two 4-2.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
As shown in Figure 8 and Figure 9, the present embodiment is as different from Example 1: the curved bracket in described Fiber bending sensing unit 6 is cylinder 36, on the sidewall of cylinder 36, be distributed with gap 37, be laid with distortion tooth one 4-1 and distortion tooth two 4-2 of interlaced correspondence in the both sides up and down in gap 37.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
As shown in figure 10, the present embodiment as different from Example 1: described rods 23 is monitoring optical cable, and at least one end of described monitoring optical cable is connected with test cell 5 by transmission cable two 1-2.In the time that monitoring optical cable is cut off, the attenuation change of signal optical fibre 33 in monitoring optical cable is arrived in test cell 5 tests, thereby this information is passed to alarm unit 4, and the latter sends warning, reaches the object of monitoring circumference.In the present embodiment, the structure of remainder, annexation and principle of work are all identical with embodiment 1.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation of above embodiment being done according to the technology of the present invention essence, all still belongs in the protection domain of technical solution of the present invention.
Claims (6)
1. an optical-fiber type tension fence warning device, it is characterized in that: comprise many rods (23), one end of described rods (23) is connected with column one (21-1) by fixture (24), the other end of described rods (23) connects optical fiber device for measuring force (20), described optical fiber device for measuring force (20) is arranged on column two (21-2), described column one (21-1) and column two (21-2) are installed on basal plane (8), described optical fiber device for measuring force (20) comprises housing (2), carriage release lever (10) and be arranged on the Fiber bending sensing unit (6) in housing (2), described housing (2) is fixedly connected with column two (21-2), on described housing (2), be provided with top cover (3), on described housing (2), be provided with the opening being slidably matched with carriage release lever (10), one end of described carriage release lever (10) is stretched in housing (2) and with the slide plate (12) being arranged in housing (2) and is connected from described opening part, the other end of described carriage release lever (10) is positioned at outside housing (2), be positioned on one end of the outer carriage release lever (10) of described housing (2) and have pulling eye (7) and be connected with one end of rods (23) by pulling eye (7), described Fiber bending sensing unit (6) is enclosed within on the carriage release lever (10) being positioned between housing (2) inwall and slide plate (12), described Fiber bending sensing unit (6) comprises curved bracket, be laid in continuously multiple distortion teeth one (4-1) and multiple distortion tooth two (4-2) of relative both sides in described curved bracket and be held on distortion tooth one (4-1) and be out of shape the signal optical fibre (33) between tooth two (4-2), described multiple distortion teeth one (4-1) and multiple distortion tooth two (4-2) are the shaped form test channel that between staggered corresponding laying and the head of the two, formation is passed for one or more signal optical fibres (33), described distortion tooth one (4-1) and distortion tooth two (4-2) correspondence are laid in the both sides of signal optical fibre (33), described signal optical fibre (33) is connected with the test cell (5) that the optical signal power variable quantity in signal optical fibre (33) is carried out to synchronism detection and analyzing and processing by transmission cable one (1-1), described test cell (5) is also connected with alarm unit (4).
2. optical-fiber type tension fence warning device according to claim 1, it is characterized in that: be provided with the counterbalance spring (11) being connected in series with one end and Fiber bending sensing unit (6) in the inside of described housing (2), the inwall of the other end of described counterbalance spring (11) and housing (2) joins.
3. optical-fiber type tension fence warning device according to claim 1 and 2, it is characterized in that: on the inwall of described housing (2), be provided with groove (16), on described slide plate (12), be provided with fin (13), described fin (13) is slidably matched with groove (16).
4. optical-fiber type tension fence warning device according to claim 3, is characterized in that: described curved bracket is shaped form housing, spring, corrugated tube or cylinder.
5. optical-fiber type tension fence warning device according to claim 1 and 2, is characterized in that: described rods (23) is wire rope.
6. optical-fiber type tension fence warning device according to claim 1 and 2, is characterized in that: described rods (23) is monitoring optical cable, and at least one end of described monitoring optical cable is connected with test cell (5) by transmission cable two (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210421020.7A CN103794018A (en) | 2012-10-28 | 2012-10-28 | Optical fiber-type tension fence alarm device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210421020.7A CN103794018A (en) | 2012-10-28 | 2012-10-28 | Optical fiber-type tension fence alarm device |
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| CN103794018A true CN103794018A (en) | 2014-05-14 |
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| CN201210421020.7A Pending CN103794018A (en) | 2012-10-28 | 2012-10-28 | Optical fiber-type tension fence alarm device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014119A (en) * | 2014-06-20 | 2014-09-03 | 陶叶斌 | Adjustable ground pile net assembly for one-soldier tactical training |
| CN106846690A (en) * | 2016-12-28 | 2017-06-13 | 安徽扬子弘福安防有限公司 | A kind of guard against theft and alarm system based on circumference security protection |
| CN107644500A (en) * | 2017-11-02 | 2018-01-30 | 北京航天易联科技发展有限公司 | A kind of vibration sensing type optical fiber alarm rail |
| CN108104067A (en) * | 2017-12-25 | 2018-06-01 | 浙江大学 | A kind of novel flexible mud-rock flow suitable for mountain area is blocked device and its construction method |
| CN110164068A (en) * | 2019-06-06 | 2019-08-23 | 南京派光智慧感知信息技术有限公司 | A kind of stress detection guardrail |
| CN113007006A (en) * | 2021-02-02 | 2021-06-22 | 湖北清江水电开发有限责任公司 | Visible acousto-optic alarm shear pin annunciator |
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2012
- 2012-10-28 CN CN201210421020.7A patent/CN103794018A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014119A (en) * | 2014-06-20 | 2014-09-03 | 陶叶斌 | Adjustable ground pile net assembly for one-soldier tactical training |
| CN104014119B (en) * | 2014-06-20 | 2016-08-24 | 陶叶斌 | Adjustable individual tactical training pile screen component |
| CN106846690A (en) * | 2016-12-28 | 2017-06-13 | 安徽扬子弘福安防有限公司 | A kind of guard against theft and alarm system based on circumference security protection |
| CN106846690B (en) * | 2016-12-28 | 2019-04-09 | 安徽扬子弘福安防有限公司 | A kind of anti-theft alarm system based on circumference security protection |
| CN107644500A (en) * | 2017-11-02 | 2018-01-30 | 北京航天易联科技发展有限公司 | A kind of vibration sensing type optical fiber alarm rail |
| CN108104067A (en) * | 2017-12-25 | 2018-06-01 | 浙江大学 | A kind of novel flexible mud-rock flow suitable for mountain area is blocked device and its construction method |
| CN110164068A (en) * | 2019-06-06 | 2019-08-23 | 南京派光智慧感知信息技术有限公司 | A kind of stress detection guardrail |
| CN110164068B (en) * | 2019-06-06 | 2024-04-26 | 南京派光智慧感知信息技术有限公司 | Stress detection guardrail |
| CN113007006A (en) * | 2021-02-02 | 2021-06-22 | 湖北清江水电开发有限责任公司 | Visible acousto-optic alarm shear pin annunciator |
| CN113007006B (en) * | 2021-02-02 | 2022-09-16 | 湖北清江水电开发有限责任公司 | Visible acousto-optic alarm shear pin annunciator |
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Application publication date: 20140514 |