CN210244554U - Wind and rain interference resisting detection device based on optical fiber vibration early warning system - Google Patents
Wind and rain interference resisting detection device based on optical fiber vibration early warning system Download PDFInfo
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- CN210244554U CN210244554U CN201921485005.2U CN201921485005U CN210244554U CN 210244554 U CN210244554 U CN 210244554U CN 201921485005 U CN201921485005 U CN 201921485005U CN 210244554 U CN210244554 U CN 210244554U
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Abstract
The utility model discloses a wind and rain interference resistance detection device based on an optical fiber vibration early warning system, which comprises an optical fiber vibration early warning system host, wherein the optical fiber vibration early warning system host is arranged in a monitoring machine room and internally provided with a coherent laser; one end of the connecting optical cable is connected with the optical fiber vibration early warning system host, and the other end of the connecting optical cable is connected with the area-preventing cutting bag; the response optical cable, the response optical cable is located in the defence area scope, and the package is cut apart with the defence area to the one end of response optical cable and is linked to each other, and the other end is connected with the communication optical cable, the optical signal that coherent laser sent is through connecting optical cable and response optical cable transmission, at last through communication optical cable retransfer to optic fibre vibration early warning system host computer. The utility model discloses set up the sleeve pipe in response optical cable periphery, earlier when deploying defense install the defence area within range again with response optical cable cover sleeve pipe on, avoid bringing the condition emergence of various disturbances and leading to the system mistake report for response optical cable because of the influence of wind and rain, the utility model discloses can effectively reduce system misstatement rate.
Description
Technical Field
The utility model belongs to the technical field of optic fibre vibration early warning system, a anti wind and rain interference detection device based on optic fibre vibration early warning system is related to.
Background
With the development and progress of the vibration optical fiber technology, more and more industries use the technology to realize the detection and early warning of the vibration signal. The optical fiber vibration early warning system is a comprehensive safety monitoring system integrating intrusion early warning and detection. The optical fiber vibration early warning system transmits various disturbances to the induction optical cable through direct contact and induction optical cables or through bearing objects such as covering soil, wire netting, fences and the like, continuous and real-time monitoring is carried out, disturbance data are collected, external interference is judged through rear-end intelligent analysis and processing, system early warning or real-time warning is achieved, and therefore the purpose of carrying out early warning and monitoring on threat behaviors invading the periphery of a defense setting area and the inner core area is achieved. The sensing optical cable connected with the existing optical fiber vibration early warning system is directly exposed in the environment, when typhoon or storm weather occurs, various disturbances are brought to the sensing optical cable by the influence of the external environment, system false alarm is caused, and the system false alarm rate is high.
Therefore, a technical scheme of a wind and rain interference resistant detection device based on an optical fiber vibration early warning system is needed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti wind and rain interference detection device based on optic fibre vibration early warning system to what the optic fibre vibration early warning system among the prior art exists at least is solved receives external environment influence to bring various disturbances for the response optical cable, causes the system misstatement, and the technical problem that the system misstatement rate is high.
In order to solve the problem, the utility model provides an anti wind and rain interference detection device based on optic fibre vibration early warning system, its technical scheme as follows:
a wind and rain interference resisting detection device based on an optical fiber vibration early warning system is characterized by comprising an optical fiber vibration early warning system host, wherein the optical fiber vibration early warning system host is installed in a monitoring machine room, and a coherent laser is installed inside the optical fiber vibration early warning system host; one end of the connection optical cable is connected with the optical fiber vibration early warning system host, and the other end of the connection optical cable is connected with a zone-division-preventing package; the sensing optical cable is arranged in the defense area range, one end of the sensing optical cable is connected with the defense area dividing package, the other end of the sensing optical cable is connected with the communication optical cable, and an optical signal sent by the coherent laser passes through the connecting optical cable and the sensing optical cable for transmission and finally passes through the communication optical cable to be transmitted back to the optical fiber vibration early warning system host.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: the induction optical cable is characterized by further comprising a sleeve, wherein the sleeve is arranged on the periphery of the induction optical cable.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: the sleeve is any one of a stainless steel pipe, a galvanized steel pipe, a cast iron pipe or a PVC pipe.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: and an optical fiber detector is also arranged in the optical fiber vibration early warning system host, and the optical signal is demodulated and restored by the optical fiber detector when being transmitted back to the optical fiber vibration early warning system host.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: the defense area cutting package and the induction optical cable form a defense area, and the defense area cutting package is a mark of the beginning or the end of the defense area.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: the number of the defense areas is set to be a plurality, and the optical fiber vibration early warning system host can control the defense areas.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: the longest detection distance of each defense area is 1500 meters.
The wind and rain interference resistance detection device based on the optical fiber vibration early warning system is further preferably: and system management software is also arranged in the monitoring machine room, is connected with the optical fiber vibration early warning system host and is used for operating and managing the system.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model provides a wind and rain interference resistance detection device based on an optical fiber vibration early warning system, which comprises an optical fiber vibration early warning system host, a connecting optical cable, a defense area division package, a sensing optical cable and a communication optical cable, wherein a coherent laser is arranged in the optical fiber vibration early warning system host, when the utility model works, the coherent laser sends out a light signal, the light signal is transmitted to the defense area division package through the connecting optical cable and then enters the sensing optical cable for transmission, when the area where the sensing optical cable is positioned is invaded by the outside, vibration waves are generated, the phase of the light signal transmitted in the sensing optical cable is changed by micro vibration, and finally the light signal is transmitted back to the optical fiber vibration early warning system host through the communication optical cable, an optical fiber detector is also arranged in the optical fiber vibration early warning system host, and the light signal is demodulated and restored through the optical fiber detector when being transmitted to the optical fiber vibration early warning system host, the restored optical signal basically represents the frequency spectrum of the event, and the type of the vibration source can be distinguished through comparing the restored optical signal with the frequency spectrum of the existing event library, so that the intelligent identification of the intrusion event is realized. The utility model discloses a detection device just can report to the police when the invasion action just takes place, and the warning response is timely, has that the preventative nature is strong and report an emergency and ask for help or increased vigilance timely characteristics.
Secondly, the utility model discloses still include the sleeve pipe, this sleeve pipe is located the response optical cable periphery, and this sleeve pipe is any one of nonrust steel pipe, galvanized steel pipe, cast iron pipe or PVC pipe. Earlier when deploying defense the induction optical cable sheathe in the sleeve pipe and install the defence area within range again, the utility model discloses a set up the sleeve pipe in induction optical cable periphery, when meetting typhoon day or storm weather, because the impact of rainwater or the blowing of wind-force beat and bring various disturbances for the induction optical cable, and the sheathed tube setting can become the piece with the influence of wind and rain to the induction optical cable, the signal analysis of being convenient for by some, with the wind and rain signal separately with other signals, avoid bringing the condition emergence of various disturbances and leading to the system misstatement for the induction optical cable because of external environment influence. The utility model discloses can effectively reduce system misstatement rate, have the characteristics that the false alarm rate is low promptly, and the system engineering construction is very simple, and whole construction cost is very low, is applicable to various iron art rails, and the guardrail, the installation on wire netting and the enclosure realizes the protection to various irregular perimeters.
Drawings
Fig. 1 is a schematic view of the working principle of the present invention for controlling four defense areas.
In the figure: 1-an optical fiber vibration early warning system host; 2-connecting an optical cable; 3-preventing the zone from cutting the bag; 4-an induction optical cable; 5-a communication optical cable; 6-a sleeve; 7-system management software; 8, monitoring the machine room; 9-defense zone.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the wind and rain interference resistance detection device based on the optical fiber vibration early warning system of the preferred embodiment of the present invention mainly comprises an optical fiber vibration early warning system host 1, the optical fiber vibration early warning system host 1 is installed in a monitoring machine room 8, and a coherent laser is installed inside the optical fiber vibration early warning system host 1; one end of the connecting optical cable 2 is connected with the optical fiber vibration early warning system host 1, and the other end of the connecting optical cable 2 is connected with the area-preventing partition bag 3; the sensing optical cable 4, the sensing optical cable 4 is located in the 9 within ranges in defence areas, the package 3 is cut apart with the defence areas to the one end of sensing optical cable 4, and the other end is connected with communication optical cable 5, and the optical signal that coherent laser sent is transmitted through optical connection cable 2 and sensing optical cable 4, and the optical fiber vibration early warning system host computer 1 is retransferred to through communication optical cable 5 at last.
In summary, the utility model provides a pair of anti-wind and rain interference detection device based on optical fiber vibration early warning system includes optical fiber vibration early warning system host 1, connection optical cable 2, defence area partition package 3, response optical cable 4 and communication optical cable 5, wherein optical fiber vibration early warning system host 1 installs in a control computer lab 8, and optical fiber vibration early warning system host 1 internally mounted has coherent laser, the one end of connection optical cable 2 links to each other with optical fiber vibration early warning system host 1, the other end is connected with defence area partition package 3, response optical cable 4 locates in defence area 9 scope, the one end of response optical cable 4 links to each other with defence area partition package 3, the other end is connected with communication optical cable 5, the optical signal that coherent laser sent is transmitted through connection optical cable 2 and response optical cable 4, finally is passed back to optical fiber vibration early warning system host 1 through communication optical cable 5; the utility model discloses the during operation sends out a bundle of light signal by coherent laser instrument, this bundle of light signal gets into transmission in the response optical cable 4 after 2 transmission to the 3 beam splitting of defence area partition package through connection optical cable, can produce the vibration wave when the region at response optical cable 4 place receives external aggression, small vibration makes the light signal phase place of transmission change in the response optical cable 4, at last through communication optical cable 5 passback to optic fibre vibration early warning system host computer 1, and optic fibre vibration early warning system host computer 1 is inside still to install fiber detector, the light signal passes back to and restores after the fiber detector demodulation when optic fibre vibration early warning system host computer 1, the light signal after the reduction is the frequency spectrum that has embodied the event basically, can distinguish the type of invasion vibration source through with existing event storehouse frequency spectrum contrast, thereby realized the intelligent recognition to the event. The utility model discloses a detection device just can report to the police when the invasion action just takes place, and the warning response is timely, has that the preventative nature is strong and report an emergency and ask for help or increased vigilance timely characteristics.
In order to reduce the system misstatement rate, the utility model provides a pair of anti wind and rain interference detection device based on optic fibre vibration early warning system still includes sleeve pipe 6, and this sleeve pipe 6 is located response optical cable 4 peripherally, and this sleeve pipe 6 is arbitrary one kind of nonrust steel pipe, galvanized steel pipe, cast iron pipe or PVC pipe, and the setting of sleeve pipe 6 can be with the influence of wind and rain to response optical cable 4, become the piece by the point, and the signal analysis of being convenient for separates the wind and rain signal and other signals.
In order to realize the intelligent recognition to the invasion event the utility model discloses in, optical fiber vibration early warning system host computer 1 is inside still to install fiber detector, and optical signal returns and restores after the fiber detector demodulation when reaching optical fiber vibration early warning system host computer 1, and the optical signal after the reduction basically is the frequency spectrum that has embodied the event, can distinguish the type of vibration source through the contrast with existing incident storehouse frequency spectrum to the intelligent recognition to the invasion event has been realized.
In order to make the system have good prevent that listen, jam-proof, anti thunderbolt performance the utility model discloses in, packet 3 is cut apart with response optical cable 4 formation defence area 9 in the defence area, and packet 3 is cut apart to defence area is the originated or the sign of finishing of defence area 9, and defence area 9 adopts response optical cable 4 as the detection unit for the external invading vibration signal of perception carries out transmission, the utility model discloses an response optical cable 4 transmits and surveys, and each other noninterference, influence of various signal fields such as electromagnetism, radio frequency, radio signal, high-voltage electrostatic field.
The utility model discloses in, 9 quantity in defence area set up to a plurality of, and the steerable a plurality of defence areas 9 of optic fibre vibration early warning system host computer 1, the longest detection distance of every defence area 9 is 1500 meters, the utility model discloses a 9 quantity in defence area can set up to any one of four, eight or sixteen, and the quantity that 9 in defence area can be controlled at most to every optic fibre vibration early warning system host computer 1 is sixteen.
For the convenience of operation and management system the utility model discloses in, still be equipped with system management software 7 in the control computer lab 8, system management software 7 links to each other with optic fibre vibration early warning system host computer 1 for operation and management system, if dispose monitoring area, set up system early warning parameter etc..
The utility model discloses in, optic fibre vibration early warning system host computer 1, connection optical cable 2, packet 3 is cut apart in defence area, connection control mode between response optical cable 4 and the communication optical cable 5 is conventional means, connection optical cable 2, the mode of response optical cable 4 and the communication optical cable 5 transmission light signal and the mode that coherent laser sent light signal and fiber detector demodulation reduction light signal also are conventional means, coherent laser, fiber detector and optic fibre vibration early warning system host computer 1 are prior art, can adopt prior art's product to realize.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model provides a wind and rain interference resistance detection device based on an optical fiber vibration early warning system, which comprises an optical fiber vibration early warning system host 1, a connection optical cable 2, a defense area division package 3, a sensing optical cable 4 and a communication optical cable 5, wherein a coherent laser is arranged in the optical fiber vibration early warning system host 1, when the utility model works, the coherent laser sends out a light signal which is transmitted to the defense area division package 3 through the connection optical cable 2 and then enters the sensing optical cable 4 for transmission, when the area where the sensing optical cable 4 is positioned is disturbed by the outside, a vibration wave is generated, the micro vibration causes the phase of the light signal transmitted in the sensing optical cable 4 to change, and finally the light signal is transmitted back to the optical fiber vibration early warning system host 1 through the communication optical cable 5, and an optical fiber detector is also arranged in the optical fiber vibration early warning system host 1, when the light signal is transmitted back to the optical fiber vibration early warning system host 1, the light signal is demodulated and then restored through the, the restored optical signal basically represents the frequency spectrum of the event, and the type of the vibration source can be distinguished through comparing the restored optical signal with the frequency spectrum of the existing event library, so that the intelligent identification of the intrusion event is realized. The utility model discloses a detection device just can report to the police when the invasion action just takes place, and the warning response is timely, has that the preventative nature is strong and report an emergency and ask for help or increased vigilance timely characteristics.
Secondly, the utility model discloses still include sleeve pipe 6, this sleeve pipe 6 is located induction optical cable 4 peripherally, and this sleeve pipe 6 is the arbitrary one kind of nonrust steel pipe, galvanized steel pipe, cast iron pipe or PVC pipe. Earlier when deploying defense install protection zone 9 within ranges on response optical cable 4 sleeve pipe 6 again, the utility model discloses an at 4 peripheral sleeve pipes 6 that set up of response optical cable, when meetting typhoon day or storm weather, because the impact of rainwater or blowing of wind-force beat and bring various disturbances for response optical cable 4, and sleeve pipe 6 set up can be with the influence of wind and rain to response optical cable 4, become the piece by the point, the signal analysis of being convenient for, part wind and rain signal and other signals, avoid bringing the condition emergence that various disturbances and lead to the system misstatement for response optical cable 4 because of external environment influences. The utility model discloses can effectively reduce system misstatement rate, have the characteristics that the false alarm rate is low promptly, and the system engineering construction is very simple, and whole construction cost is very low, is applicable to various iron art rails, and the guardrail, the installation on wire netting and the enclosure realizes the protection to various irregular perimeters.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (8)
1. The utility model provides an anti wind and rain interference detection device based on optic fibre vibration early warning system which characterized in that includes:
the optical fiber vibration early warning system host is installed in a monitoring machine room, and a coherent laser is installed inside the optical fiber vibration early warning system host;
one end of the connection optical cable is connected with the optical fiber vibration early warning system host, and the other end of the connection optical cable is connected with a zone-division-preventing package;
the sensing optical cable is arranged in the defense area range, one end of the sensing optical cable is connected with the defense area dividing package, the other end of the sensing optical cable is connected with the communication optical cable, and an optical signal sent by the coherent laser passes through the connecting optical cable and the sensing optical cable for transmission and finally passes through the communication optical cable to be transmitted back to the optical fiber vibration early warning system host.
2. The device for detecting wind and rain interference based on the optical fiber vibration early warning system according to claim 1, further comprising:
the sleeve is arranged on the periphery of the induction optical cable.
3. The wind and rain interference detection device based on the optical fiber vibration early warning system according to claim 2, wherein the sleeve is any one of a stainless steel pipe, a galvanized steel pipe, a cast iron pipe or a PVC pipe.
4. The wind and rain interference resistance detection device based on the optical fiber vibration early warning system according to claim 1, wherein an optical fiber detector is further installed inside the optical fiber vibration early warning system host, and the optical signal is demodulated and restored by the optical fiber detector when being transmitted back to the optical fiber vibration early warning system host.
5. The wind and rain interference resistant detection device based on the optical fiber vibration early warning system according to claim 1, wherein the area-preventing partition bag and the induction optical cable form a defense area, and the area-preventing partition bag is an identifier of the beginning or the end of the defense area.
6. The wind and rain interference resistance detection device based on the optical fiber vibration early warning system according to claim 1, wherein the number of the defense areas is set to be a plurality, and the optical fiber vibration early warning system host can control the plurality of the defense areas.
7. The wind and rain interference detection device based on the optical fiber vibration early warning system as claimed in claim 6, wherein the longest detection distance of each defense area is 1500 meters.
8. The wind and rain interference resistance detection device based on the optical fiber vibration early warning system according to claim 1, wherein system management software is further arranged in the monitoring machine room, and the system management software is connected with the optical fiber vibration early warning system host and used for operating and managing the system.
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| CN201921485005.2U CN210244554U (en) | 2019-09-06 | 2019-09-06 | Wind and rain interference resisting detection device based on optical fiber vibration early warning system |
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| CN201921485005.2U CN210244554U (en) | 2019-09-06 | 2019-09-06 | Wind and rain interference resisting detection device based on optical fiber vibration early warning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115580347A (en) * | 2022-09-22 | 2023-01-06 | 武汉新楚光电科技发展有限公司 | Method, system and equipment for early warning damage to optical cable in interference environment based on optical fiber sensing |
-
2019
- 2019-09-06 CN CN201921485005.2U patent/CN210244554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115580347A (en) * | 2022-09-22 | 2023-01-06 | 武汉新楚光电科技发展有限公司 | Method, system and equipment for early warning damage to optical cable in interference environment based on optical fiber sensing |
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