CN102682548A - Active detector capable of detecting connection and disconnection of optical fiber - Google Patents
Active detector capable of detecting connection and disconnection of optical fiber Download PDFInfo
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- CN102682548A CN102682548A CN201210168488XA CN201210168488A CN102682548A CN 102682548 A CN102682548 A CN 102682548A CN 201210168488X A CN201210168488X A CN 201210168488XA CN 201210168488 A CN201210168488 A CN 201210168488A CN 102682548 A CN102682548 A CN 102682548A
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Abstract
The invention discloses an optical signal detector and relates to an active detector capable of detecting connection and disconnection of optical fiber. The active detector comprises an active light emitting machine, an active light receiving machine and an alarming main machine. The active light emitting machine comprises a light emitting tube and an emitting circuit. The active light receiving machine comprises a light receiving tube and a receiving circuit. The light emitting tube and the light receiving tube are both butt jointed with an optical fiber close range correlation optical fiber object sensor. The optical fiber close range correlation optical fiber object sensor comprises optical fiber channels, baffles, connecting rods and falling blocks arranged on two sides of the optical fiber close range correlation optical fiber object sensor, optical fiber connected with the light emitting tube and the light receiving tube respectively passes from the optical fiber channels on two sides of the optical fiber close range correlation optical fiber object sensor, and two ends of optical fiber are both aligned to the positions of the baffles. The active detector has all functions of light sources and data transmission, is convenient to use, can reduce a protection range so as to protect an object smaller than 1 square centimeter, is not limited by size of the object, and can be used for valuable objects, preservation of cultural relics and the like.
Description
Technical field
The present invention relates to a kind of optical signal detector, a kind of specifically optical fiber break-make active detector belongs to security protection equipment technology field
.
Background technology
Photo-detector is to utilize between illuminator and the light receiving device to make optical fiber switching or number percent light beam carry out the device of detection alarm through passive way (not needing active device: like pressure, mechanical stop switch).Existing Fibre Optical Sensor infrared beam interruption detector structure is as shown in Figure 1; Comprise active infrared transmitter 19 and active infrared receiver 20; Active infrared transmitter 19 is integrated in the transceiver controller with active infrared receiver 20; Active infrared transmitter 19 comprises optical frames 3, infrared transmitting tube 21 and radiating circuit 23, and active infrared receiver 20 comprises optical frames 3, infrared receiving tube 22 and receiving circuit 24, is connected through optical fiber 26 between infrared transmitting tube 21 and the optical frames 3; Also be connected between infrared receiving tube 22 and the optical frames 3, transmit infrared signal through optical fiber 26 through optical fiber 26.Optical fiber 26 can be any model optical fiber such as communication, sensing, biography light, plastics or quartz.When the infrared beam between the optical frames 3 of the optical frames 3 of active infrared transmitter 19 and active infrared receiver 2 during by blocking fully or by given number percent blocking; Just can produce alarm condition; Detector can send alerting signal to alarm host machine 25; Alerting signal adopts switching value signal output wire transmission, also can cooperate with the wireless commercial main frame of wired commentaries on classics to transfer wireless transmission to.Because between infrared transmitting tube 21 and the optical frames 3, all pass through optical fiber 26 between infrared receiving tube 22 and the optical frames 3 and be connected; Transmit infrared signal through optical fiber 26; Thereby can use in the occasion that can not supply power, usable range has obtained expansion, can use flexibly according to the scene.But the Fibre Optical Sensor infrared beam interruption detector only sends and receives infrared light, also can only use optical lens, can not protect some less objects like this, can not use other light sources and method.
Summary of the invention
Technical matters to be solved by this invention is; Overcome the shortcoming of prior art, provide a kind of easy to use, make to take precautions against to narrow down to the object that to protect below 1 square centimeter; Not protected object size limits, and can be used for the optical fiber break-make active detector of valuables, historical relic's protection.
In order to solve above technical matters; The present invention provides a kind of optical fiber break-make active detector; Comprise initiatively optical sender, active photoreceiver and alarm host machine; Said active optical sender comprises light-emitting tube and radiating circuit, and initiatively photoreceiver comprises light receiving tube and receiving circuit, and said alarm host machine links to each other with the active photoreceiver with said active optical sender; Said light-emitting tube and light receiving tube all pass through closely correlation optical fiber thing sensor of fiber alignment to an optical fiber; Said optical fiber closely correlation optical fiber thing sensor comprises optical-fibre channel, catch, the connecting rod that is positioned at both sides and the piece that falls; Said connecting rod is " Z " shape or "] " shape; It has horizontal direction top, horizontal direction the bottom and connect the middle part of the vertical direction of said top and the bottom; The bending part that is connected with the middle part on said connecting rod top is provided with the rotating shaft of passing connecting rod, and said connecting rod is fixed on the installation matrix of optical fiber break-make active detector through said rotating shaft; The top upper surface of said connecting rod is installed said piece, and the bottom upper surface of said connecting rod is provided with the balancing weight opposite with the said force direction of falling the piece; Said catch stretches out from the middle part of said connecting rod and is cantilever-shaped; On said catch, be provided with light hole; The optical fiber that said light-emitting tube is connected with light receiving tube connects respectively from said optical fiber and closely passes through in the optical-fibre channel of correlation optical fiber thing sensor both sides, and the light hole of said catch is all aimed in the termination of two optical fiber.
The technical scheme that the present invention further limits is: aforesaid optical fiber break-make active detector is characterized in that: said piece is " Y " shape, and its lower end has hemispherical convex body, and said connecting rod top is provided with the hemispherical concave volume that cooperates with said hemispherical convex body; Connecting rod with fall piece and assist through specific purpose tool and be connected, clamp down piece with specific purpose tool, partly overwhelm piece to article again, withdraw from specific purpose tool and depress down piece at last to the detector working position.
Aforesaid optical fiber break-make active detector, said catch is made up of cantilever that stretches out from said connecting rod middle part and the torus that is connected on the cantilever termination, and said toric interior annulus is divided into light hole with inside.
Aforesaid optical fiber break-make active detector, said catch has the rectangle light hole by the cantilever that stretches out from said connecting rod middle part on said cantilever.
Aforesaid optical fiber break-make active detector, said optical-fibre channel is the ceramic contact pin optical-fibre channel, said ceramic contact pin optical-fibre channel is plugged in the sleeve, is positioned at the both sides of said sleeve.
Aforesaid optical fiber break-make active detector, said active optical sender is integrated in the transceiver controller with the active photoreceiver.
Further, aforesaid optical fiber break-make active detector, in order to prevent the influence of uncertain factors such as dust, gaseous exchange to equipment, said optical fiber closely is provided with dust cover in the correlation optical fiber thing sensor outside.
The invention has the beneficial effects as follows: owing to be connected closely correlation optical fiber thing sensor of optical fiber through optical fiber between light-emitting tube and the light receiving tube; Thereby through optical fiber closely correlation optical fiber thing sensor come the break-make Optical Fiber Transmission to reach the antitheft effect; The passive light switch that the present invention is selected for use can use under the occasion that can not supply power; The more important thing is optical fiber closely correlation optical fiber thing sensor can protect littler object, usable range has obtained expansion, also can use flexibly according to the scene.The present invention possesses the function of all light sources and data transmission; Easy to use, make to take precautions against to narrow down to the object that can protect below 1 square centimeter, certain also passable fully more than 1 square centimeter; The restriction of not protected object size can be used for the protection in fields such as valuables, historical relic.
Description of drawings
Fig. 1 is that existing Fibre Optical Sensor infrared beam interruption detector connects synoptic diagram.
Fig. 2 is a connection synoptic diagram of the present invention.
Fig. 3 is the closely structural representation of correlation optical fiber thing sensor of optical fiber of the present invention.
Fig. 4 is that the present invention falls the structural representation of piece.
Fig. 5 is that the present invention falls the another kind of structural representation of piece.
Embodiment
A kind of optical fiber break-make active detector that present embodiment provides; Structure such as Fig. 2 are to shown in Figure 4; Comprise initiatively optical sender 1, active photoreceiver 2 and alarm host machine 8; Initiatively optical sender 1 comprises light-emitting tube 4 and radiating circuit 6, and initiatively photoreceiver 2 comprises light receiving tube 5 and receiving circuit 7, and alarm host machine 8 links to each other with active photoreceiver 2 with active optical sender 1; Light-emitting tube 4 all is docked to closely correlation optical fiber thing sensor 10 of an optical fiber through optical fiber 9 with light receiving tube 5; Optical fiber closely correlation optical fiber thing sensor comprises the optical-fibre channel 11 that is positioned at both sides, catch 12, connecting rod 14 and the piece 13 that falls, and connecting rod 14 is "] " shape, connecting rod 14 have horizontal direction top, horizontal direction the bottom and connect the middle part of the vertical direction of top and the bottom; The bending part that is connected with the middle part on connecting rod top is provided with the rotating shaft 15 of passing connecting rod, and connecting rod is fixed on the installation matrix of optical fiber break-make active detector through rotating shaft; The top upper surface of connecting rod installs piece 13, and the bottom upper surface of connecting rod is provided with the balancing weight 16 opposite with the force direction of falling the piece; Catch 12 stretches out from the middle part of connecting rod and is cantilever-shaped; On catch, be provided with light hole; Is made up of cantilever that stretches out from connecting rod middle part and the torus that is connected on the cantilever termination, toric interior annulus is divided into light hole 18 with inside, and the optical fiber that light-emitting tube is connected with light receiving tube connects respectively from optical fiber and closely passes through in the optical-fibre channel of correlation optical fiber thing sensor both sides; The light hole of catch is all aimed in the termination of two optical fiber, and the break-make through optical fiber realizes the detector operation state.
The structure of piece 13 is as shown in Figure 4, is " Y " shape, and its lower end is hemispherical convex body; The top of connecting rod 14 is provided with the hemispherical concave volume that cooperates with hemispherical convex body, falls and can place valuables, historical relic etc. on the piece 13, when valuables or historical relic are removed; The piece that falls squints under the effect of counterweight; Catch 12 is moved under the drive of connecting rod 14 and balancing weight 16, make optical fiber closely correlation optical fiber thing sensor 10 form and open circuit, transmit signals to alarm host machine 8 and form and report to the police; Closely be provided with dust cover 17 in the correlation optical fiber thing sensor outside at optical fiber, in order to prevent of the influence of uncertain factors such as dust, gaseous exchange to equipment.
As shown in Figure 3, optical-fibre channel is the ceramic contact pin optical-fibre channel, and the ceramic contact pin optical-fibre channel is plugged in the sleeve, is positioned at the both sides of sleeve, and the distance in the middle of two optical-fibre channels is 0～2 centimetre.
A kind of optical fiber break-make active detector that present embodiment provides; Structure is as shown in Figure 5, and its principle of work is identical with embodiment 1, difference be optical fiber closely in the correlation optical fiber thing sensor 10 connecting rod 14 of setting be " Z " shape; Stretch out catch 12 by the middle part of connecting rod and be cantilever-shaped; And on cantilever-shaped catch 12, have a rectangle light hole, in order to the termination of two optical fiber all being aimed at the light hole of catch, the break-make through optical fiber realizes the detector operation state.
The present invention not only possesses the function of Fibre Optical Sensor infrared beam interruption detector, and the fibre core that can also directly utilize optical fiber sends optical fiber switching or number percent light beam and data through passive way (not needing active device: like pressure, pulling force, mechanical stop switch and other) to carry out detection alarm.
Except that the foregoing description, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (7)
1. optical fiber break-make active detector; Comprise initiatively optical sender, active photoreceiver and alarm host machine; Said active optical sender comprises light-emitting tube and radiating circuit; Initiatively photoreceiver comprises light receiving tube and receiving circuit; Said alarm host machine links to each other with the active photoreceiver with said active optical sender, and it is characterized in that: said light-emitting tube and light receiving tube all pass through closely correlation optical fiber thing sensor of fiber alignment to an optical fiber, and said optical fiber closely correlation optical fiber thing sensor comprises optical-fibre channel, catch, the connecting rod that is positioned at both sides and the piece that falls; Said connecting rod is " Z " shape or "] " shape; It has horizontal direction top, horizontal direction the bottom and connect the middle part of the vertical direction of said top and the bottom, the bending part that is connected with the middle part on said connecting rod top is provided with the rotating shaft of passing connecting rod, said connecting rod is fixed on the installation matrix of optical fiber break-make active detector through said rotating shaft; The top upper surface of said connecting rod is installed said piece, and the bottom upper surface of said connecting rod is provided with the balancing weight opposite with the said force direction of falling the piece; Said catch stretches out from the middle part of said connecting rod and is cantilever-shaped; On said catch, be provided with light hole; The optical fiber that said light-emitting tube is connected with light receiving tube connects respectively from said optical fiber and closely passes through in the optical-fibre channel of correlation optical fiber thing sensor both sides, and the light hole of said catch is all aimed in the termination of two optical fiber.
2. optical fiber break-make active detector as claimed in claim 1 is characterized in that: said piece is " Y " shape, and its lower end has hemispherical convex body, and said connecting rod top is provided with the hemispherical concave volume that cooperates with said hemispherical convex body.
3. according to claim 1 or claim 2 optical fiber break-make active detector, it is characterized in that: said catch is made up of cantilever that stretches out from said connecting rod middle part and the torus that is connected on the cantilever termination, and said toric interior annulus is divided into light hole with inside.
4. according to claim 1 or claim 2 optical fiber break-make active detector, it is characterized in that: said catch has the rectangle light hole by the cantilever that stretches out from said connecting rod middle part on said cantilever.
5. according to claim 1 or claim 2 optical fiber break-make active detector, it is characterized in that: said optical-fibre channel is the ceramic contact pin optical-fibre channel, said ceramic contact pin optical-fibre channel is plugged in the sleeve, is positioned at the both sides of said sleeve.
6. according to claim 1 or claim 2 optical fiber break-make active detector is characterized in that: said active optical sender is integrated in the transceiver controller with photoreceiver initiatively.
7. according to claim 1 or claim 2 optical fiber break-make active detector, it is characterized in that: said optical fiber closely is provided with dust cover in the correlation optical fiber thing sensor outside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168488.XA CN102682548B (en) | 2012-05-25 | 2012-05-25 | Active detector capable of detecting connection and disconnection of optical fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168488.XA CN102682548B (en) | 2012-05-25 | 2012-05-25 | Active detector capable of detecting connection and disconnection of optical fiber |
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| CN102682548A true CN102682548A (en) | 2012-09-19 |
| CN102682548B CN102682548B (en) | 2014-07-23 |
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| CN201210168488.XA Active CN102682548B (en) | 2012-05-25 | 2012-05-25 | Active detector capable of detecting connection and disconnection of optical fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763252A (en) * | 2016-03-21 | 2016-07-13 | 无锡天联地网科技有限公司 | Real-time fiber breaking detection device and method suitable for optical fiber fence system |
| CN110596764A (en) * | 2019-07-31 | 2019-12-20 | 宁波市乐星感应电器有限公司 | Inductor |
| TWI741456B (en) * | 2019-12-20 | 2021-10-01 | 台灣新光保全股份有限公司 | Anti-theft electronic apparatus and security system |
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| JP3041813B2 (en) * | 1995-10-30 | 2000-05-15 | 東京瓦斯株式会社 | Explosion-proof intrusion monitoring sensor at room door |
| CN101398966A (en) * | 2008-11-10 | 2009-04-01 | 温怀疆 | Optical fiber sensing passive remote alarm probe system |
| CN102279008A (en) * | 2010-06-12 | 2011-12-14 | 飞秒光电科技(西安)有限公司 | Optical fiber sensor based on diameter-gradient barrier |
| CN202584331U (en) * | 2012-05-25 | 2012-12-05 | 南京业祥科技发展有限公司 | Optical fiber on/off active detector |
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2012
- 2012-05-25 CN CN201210168488.XA patent/CN102682548B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3041813B2 (en) * | 1995-10-30 | 2000-05-15 | 東京瓦斯株式会社 | Explosion-proof intrusion monitoring sensor at room door |
| CN101398966A (en) * | 2008-11-10 | 2009-04-01 | 温怀疆 | Optical fiber sensing passive remote alarm probe system |
| CN102279008A (en) * | 2010-06-12 | 2011-12-14 | 飞秒光电科技(西安)有限公司 | Optical fiber sensor based on diameter-gradient barrier |
| CN202584331U (en) * | 2012-05-25 | 2012-12-05 | 南京业祥科技发展有限公司 | Optical fiber on/off active detector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763252A (en) * | 2016-03-21 | 2016-07-13 | 无锡天联地网科技有限公司 | Real-time fiber breaking detection device and method suitable for optical fiber fence system |
| CN110596764A (en) * | 2019-07-31 | 2019-12-20 | 宁波市乐星感应电器有限公司 | Inductor |
| TWI741456B (en) * | 2019-12-20 | 2021-10-01 | 台灣新光保全股份有限公司 | Anti-theft electronic apparatus and security system |
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| CN102682548B (en) | 2014-07-23 |
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