CN206991492U - A kind of optic cable vibration sensor alarm of low rate of false alarm - Google Patents
A kind of optic cable vibration sensor alarm of low rate of false alarm Download PDFInfo
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- CN206991492U CN206991492U CN201720775231.9U CN201720775231U CN206991492U CN 206991492 U CN206991492 U CN 206991492U CN 201720775231 U CN201720775231 U CN 201720775231U CN 206991492 U CN206991492 U CN 206991492U
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Abstract
Technical field of security and protection is the utility model is related to, more particularly to a kind of optic cable vibration sensor alarm of low rate of false alarm；The utility model includes alarm host machine and vibrating sensing mechanism；Vibrating sensing mechanism includes vibration optical cable, collector and GPZ, and laser, photo-detector, optical-electrical converter, alarm processor are provided with collector；In the utility model, vibration optical cable is laid, it is wound on fence or enclosure wall, laser sends laser signal to vibration optical cable, when someone invades, the output waveform optical signal of vibration optical cable can change, photo-detector receives this output waveform optical signal to change, the output waveform optical signal that this changes is changed into electric signal by optical-electrical converter, alarm processor is analyzed and processed, and is also compared, and determines whether that someone invades, if it is determined that someone invades, alarm host machine is set to carry out alarm warning.
Description
Technical field
It the utility model is related to technical field of security and protection, the optic cable vibration sensor alarming dress of more particularly to a kind of low rate of false alarm
Put.
Background technology
With expanding economy, the temptation that people face is more and more, yields to temptation, the daredevil that do not stint gets over
Come more, cause frequency that stolen event occurs also more and more higher.It is antitheft in order to protect the private property of people and public interest
Security and guard technology arises at the historic moment, and is also constantly developing perfect, security performance also more and more higher according to prior art.
Anti-theft technique in the market is typically all by infrared ray perceive carrying out break-make control with magnetic reed switch
Combination, to realize the purpose for perceiving unknown object and entering house interior or door and window and being opened by force.Above-mentioned anti-theft technique
In means or device, the remolding sensitivity that infrared ray perceives object is relatively low, easily causes false alarm or fails to report the problem of alert, so as to
The property safety of individual or the safety of public interest is caused to be difficult to effectively be ensured.
The content of the invention
Described above in order to overcome the shortcomings of, the optic cable vibration that the purpose of this utility model is to provide a kind of low rate of false alarm passes
Feel warning device, it is laid vibration optical cable, and collector to vibration optical cable sense the change of its output signal, sentences
It is disconnected that whether someone invades.
The technical scheme in the invention for solving the technical problem is：
A kind of optic cable vibration sensor alarm of low rate of false alarm, wherein, including alarm host machine in Control Room and
Several vibrating sensing mechanisms outside Control Room；The alarm host machine carries out radio communication company with the vibrating sensing mechanism
Connect；The vibrating sensing mechanism includes vibration optical cable, collector and GPZ, and one end of the vibration optical cable is adopted with described
Storage is connected, and the other end of the vibration optical cable is connected with the GPZ；It is provided with and is used for institute in the collector
State the light spy that vibration optical cable sends the laser of laser signal, the output waveform optical signal sent for receiving the vibration optical cable
Survey device, change into the optical-electrical converter of electric signal, for by the photoelectricity for the photo-detector to be transmitted into the optical signal come
The alarm processor that the electric signal that converter transmission comes is analyzed and processed.
As it is of the present utility model it is a kind of improve, be provided with the collector for send alarm signal and with the report
The wireless launcher of processor connection is warned, the alarm sent for receiving the wireless launcher is provided with the alarm host machine
The wireless receiver of signal.
As further improvement of the utility model, it is 20HZ ~ 200HZ to be provided with the collector for rejection frequency
Vibration signal frequency filter.
Further improve, be provided with the collector for setting the frequency filter as of the present utility model
Rejection frequency size set of frequency device.
Further improved as of the present utility model, when being provided with the collector for detecting vibration signal persistently
Between detector and the event counter for being counted to vibration number, the detector, event counter with it is described
Alarm processor connects.
Further improve as of the present utility model, be more than when the vibration signal duration that the detector detects
5 seconds, and when the vibration number of event counter statistics per second is more than 2 times simultaneously, the alarm processor controls the nothing
Line transmitter sends alarm signal.
Further improved as of the present utility model, the equal and wireless receiver is provided with the alarm host machine and is connected
The warning mechanism and indication mechanism connect, the warning mechanism include the relay for the inside for being arranged on the alarm host machine being connected
Device and the indicator lamp being arranged in the alarm host machine；The indication mechanism includes the display screen being connected and is stored with electronically
The memory of figure information.
As it is of the present utility model further improve, on iron artistic fence laying vibration optical cable when, the collector and
GPZ is fixedly connected with iron skill, and the vibration optical cable is connected in the form of walking S types on the iron artistic fence.
Further improved as of the present utility model, in laying vibration optical cable on chain link fence, the collector
It is fixedly connected with GPZ on chain link fence, the vibration optical cable is connected to the wire gauze circumference with form of straight lines
On column.
Further improved as of the present utility model, in laying vibration optical cable on enclosure wall, the collector and optical cable
Termination box is connected to
At the height of liftoff 1.5 ~ 2 meters of the inner side of enclosure wall, in the outside of enclosure wall using parallel line type mode on metope upper berth
If optical cable is vibrated described in twice.
In the utility model, vibration optical cable is laid, and is wound on fence or enclosure wall, and laser is sent to vibration optical cable
Laser signal, when someone invades, vibrating the output waveform optical signal of optical cable can change, and photo-detector receives this and changed
The output waveform optical signal that this changes is changed into electric signal by the output waveform optical signal of change, optical-electrical converter, at alarm
Reason device is analyzed and processed, and is also compared, and is determined whether that someone invades, if it is determined that someone invades, is made alarm host machine
Carry out alarm warning；The utility model is laid optical cable is vibrated, and collector to vibration optical cable sense its output letter
Number change, judge whether that someone invades, detection judgement rate is high and accurate.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following preferred embodiments and accompanying drawing.
Fig. 1 is connection block diagram of the present utility model；
Fig. 2 is that the inside of collector of the present utility model connects block diagram；
Fig. 3 is the vibration signal caused by people's invasion in the utility model；
Fig. 4 is the vibration signal caused by vehicle process in the utility model；
Fig. 5 is the vibration signal caused by 5 ~ 7 grades of strong wind in the utility model；
Fig. 6 is that animal and branch hit caused vibration signal in the utility model；
Fig. 7 is the vibration signal caused by hailing in the utility model；
Fig. 8 is the caused vibration signal that rained heavily in the utility model；
Fig. 9 is the embodiment one that the utility model lays iron artistic fence；
Figure 10 is the embodiment two that the utility model lays iron artistic fence；
Figure 11 is the embodiment one that the utility model lays chain link fence；
Figure 12 is the embodiment two that the utility model lays chain link fence；
Figure 13 is the embodiment three that the utility model lays chain link fence；
Figure 14 is the example IV that the utility model lays chain link fence；
Figure 15 is the embodiment that the utility model lays enclosure wall；
Reference：1- alarm host machines, 11- wireless receivers, 12- warning mechanisms, 13- indication mechanisms, 14- relays,
15- indicator lamps, 16- display screens, 17- memories, 2- vibrating sensings mechanism, 21- vibration optical cables, 22- collectors, 221- laser
Device, 222- photo-detectors, 223- optical-electrical converters, 224- alarm processors, 225- wireless launchers, 226- frequency filters,
227- detectors, 228- event counters, 229- set of frequency devices, 23- GPZs.
Embodiment
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Tu15Suo
Show, a kind of optic cable vibration sensor alarm of low rate of false alarm of the present utility model, including the alarm host machine 1 in Control Room
And several vibrating sensing mechanisms 2 outside Control Room.
Alarm host machine 1 carries out radio communication with vibrating sensing mechanism 2 and is connected, when vibrating sensing mechanism 2 detects people's invasion,
Alarm warning is carried out by transmitting wirelessly in signal to alarm host machine 1.
Vibrating sensing mechanism 2 includes vibration optical cable 21, collector 22 and the GPZ being arranged on fence or enclosure wall
23, one end of vibration optical cable 21 is connected with collector 22, and the other end of vibration optical cable 21 is connected with GPZ 23.
It is provided with collector 22 for sending the laser 221 of laser signal, for receiving vibration to vibration optical cable 21
The photo-detector 222 for the output waveform optical signal that optical cable 21 is sent, the optical signal for photo-detector 222 to be transmitted change into
The alert process that the optical-electrical converter 223 of electric signal, the electric signal for optical-electrical converter 223 to be transmitted are analyzed and processed
Device 224.
One vibrating sensing mechanism 2 forms a defence area, and general 200 to 300 meters are made a defence area and be independent defence area,
This vibrating sensing mechanism 2 need to be triggered, it is that alarm host machine 1 will be shown for which defence area someone invasion, will not be because of a part
Go wrong, and influence whole alarm, which vibrating sensing mechanism 2 is broken, and alarm host machine 1 also has prompting, so as to conveniently go
Maintenance.
In the utility model, vibration optical cable 21 laid, be wound on fence or enclosure wall, laser 221 to vibration light
Cable 21 sends laser signal, and when someone invades, the output waveform optical signal of vibration optical cable 21 can change, photo-detector
222 receive this output waveform optical signal to change, and the output waveform optical signal that optical-electrical converter 223 changes this turns
Electric signal is melted into, alarm processor 224 is analyzed and processed, is also compared, and determines whether that someone invades, if it is determined that
Someone invades, and alarm host machine 1 is carried out alarm warning.
When vibration optical cable 21 is influenceed by extraneous vibration, vibrating the part of properties of transmission light in optical cable 21 will change,
By photo-detector 222, by the characteristic of signal collection and analysis, just energy detection light（That is decay, phase, wavelength, polarization, mould
Field distribution and propagation time）Change, the characteristic variations of light distinguish third party's intrusion behavior by the analyzing and processing of alarm processor
With normal interference, alarm and positioning function are realized.
As shown in figure 3, in the utility model, in order to detect weak vibration, vibration light is formed using two core single mode fiber cables
Cable 21, when transmitting to beam of laser with laser 221, the vibration optical cable 21 being made up of this two optical cables exports interference light letter
Number, invaded and harassed when vibrating optical cable 21 by the external world, such as：Excavate, touch, beat, then the output waveform of interference light changes, and produces
Interference image, this waveform can detect by photo-detector and change, the feature of change waveform is analyzed by alarm processor, can
To offer an explanation the truth of outgoing event, so as to reach the effect of " intrusion model identification ".
Further, the wireless hair for sending alarm signal and being connected with alarm processor 224 is provided with collector 22
Emitter 225, the wireless receiver 11 of the alarm signal for receiving the transmission of wireless launcher 225, side are provided with alarm host machine 1
Just carry out radio communication, after alarm processor 224 detects someone's invasion, alarm signal is sent to wireless by wireless launcher 225
Alarm warning is carried out by alarm host machine 1 on receiver 11.
As shown in Figure 4 and Figure 5, nearby vehicle, which is passed through and blown hard, causes the vibration of fence to be a kind of low-frequency vibration, such as
Fruit can not be handled well, then rate of false alarm is very high, and it is shaking for 20HZ ~ 200HZ to be provided with collector 22 for rejection frequency
The frequency filter 226 of dynamic signal, filters out nearby vehicle and passes through and blow hard and cause the vibration of fence, resulting vibration
Signal will not cause alarm；It is provided with collector 22 for setting the frequency of the rejection frequency size of frequency filter 226 to set
Device 229 is put, the signal that frequency filter 226 filters out vibration frequency can be carried out by set of frequency device 229, we can pass through
Some specific signal of the frequency identification of signal, vibration signal and people climb vibration letter caused by fence caused by vehicle process
Number very big difference in frequency domain be present, wrong report source is readily identified in frequency domain.
As shown in Fig. 6, Fig. 7 and Fig. 8, several landing beat fence, bird etc. and fall on the accidental thrusts fence such as fence, hail
Deng may all cause wrong report, by the reasonable setting to alarm processor, can filter out caused by these most of accidentalia
Wrong report；Detector 227 for detecting the vibration signal duration is provided with collector 22 and for being carried out to vibration number
The event counter 228 of statistics, detector 227, event counter 228 are connected with alarm processor 224, when vibration signal leads to
Filtering out for frequency filter has been crossed, if not reaching the requirement of detector 227 and event counter simultaneously, will not also trigger report
It is alert, as animal or branch hit caused vibration signal, vibration signal caused by hailing and vibration caused by raining heavily are believed
It number can not reach the requirement of detector 227 and event counter simultaneously, alarm will not be also triggered, when the detector 227 detects
The vibration signal duration arrived be more than 5 seconds, and the vibration number of 228 statistics per second of simultaneous events counter be more than 2 times when, then
Judge that someone invades, alarm processor 224 controls wireless launcher 225 to send alarm signal.
The utility model provides a kind of embodiment of alarm host machine 1, is provided with alarm host machine 1 and wireless receiver
The warning mechanism 12 and indication mechanism 13 of 11 connections, warning mechanism 12 include the inside for being arranged on alarm host machine 1 being connected
Relay 14 and the indicator lamp 15 being arranged in alarm host machine 1；Indication mechanism 13 includes the display screen 16 being connected and is stored with
The memory 16 of electronic map information；Which defence area someone invasion, which vibrating sensing mechanism 2 just send alarm signal, alarm
The relay 14 in that defence area is monitored on main frame 1 will control its indicator lamp 15 bright while can also sound the alarm, display screen 16
Can be according to the electronic map information of memory 16, display is that anti-zone position；There is multiple bus input port in alarm host machine 1,
Signal conveying uses low-resistance transmission line technology, conveys reliable strong antijamming capability, has computer output interface to be connected with computer, make work(
Can be more powerful, there is printer interface to print perimeter alarm information in time for it；Indicator lamp 15 is that LCD blue screens are shown, in display
Hold and enrich, information is simple and clear, and display screen 16 has Serial output mouth, can show electronic map with the convenient connection of memory 17
And particular location, alarm is optional to be had Jing Yin and has acoustic alarm；There is relay 14 to get an electric shock during alarm to export, control indicator lamp 15
Warned.There is Phototube Coupling each input port of alarm host machine 1, stronger using double electric structures, antijamming capability.
The utility model provides the vibration embodiment that optical cable 21 is laid on iron artistic fence, as shown in figure 9, a kind of iron skill
Fence lays embodiment one, in laying vibration optical cable 21 on iron artistic fence, collector 22 and the fixed company of GPZ 23
It is connected in iron skill, vibration optical cable 21 is connected on iron artistic fence in the form of walking S types, that is to say, that vibration is laid in iron skill
During optical cable 21, because iron skill is harder, the quantity of vibration optical cable 21 should be increased to guarantee reliably to sense invasion signal, passed through
Analysis invader crosses the action feature of fence, it is proposed that is respectively laid along the horizontal iron railing of iron skill top, centre and lowermost end
Vibration optical cable 21 together.
Such as Figure 10 institutes method, a kind of iron artistic fence lays embodiment two, and in iron artistic fence, some iron skills can be arranged on post
Son, if the area of pillar is little, laying can be directed across pillar when vibrating optical cable 21, but the cross section of some pillars is compared
Greatly, easily entered by invader using this region, so must be protected by such region, can be installed in post top portion
Iron net, when laying optical cable, vibration optical cable 21 is routed in the iron net.
Such as need to improve alert level, can be in the one or multi-channel vibration optical cable 21 of the center section of iron artistic fence laying, collection
Device 22 is securable on iron skill pillar, at about 1.5 meters of ground, with fixture or binding strap by GPZ 23 securely
It is fixed on medium.If being wider pillar of laying bricks between two iron skills, GPZ 23 can be fixed on pillar, used
Expansion bolt is fixed.
In laying vibration optical cable 21 on chain link fence, collector 22 and GPZ 23 are fixedly connected with iron wire
On netting fence, vibration optical cable 21 is connected on the chain link fence with form of straight lines.
The utility model the utility model provides the vibration embodiment that optical cable 21 is laid on chain link fence；Such as Figure 11
Shown, a kind of chain link fence lays embodiment one, is laid using straight line paving mode, and required vibration optical cable 21 is less, is applicable
In the relatively low place of alert level；The invasion mode that this paving mode may detect climbing, cross, which vibrates optical cable 21, to lay
At iron net height about 3/4, laid in horizontal linear, every 40 centimetres with antiultraviolet band or special binding strap by optical cable with
Iron net grid is tightly fastened.
As shown in figure 12, a kind of chain link fence laying embodiment two, it is this by the way of level lays multiple tracks optical cable
Paving mode may detect climbing, cross, cut net, ladder auxiliary such as crosses at the invasion mode, it is possible to increase the induction area of fence, from
And weaker invasion signal is effectively detected, which is applied to the higher place of alert level, vibrates optical cable 21 along fence
Top is laid, around the straight line laying in the opposite direction that comes when reaching defence area end, can Duo Puji roads back and forth on demand, vibrate optical cable
The interval of 21 layings can be highly evenly distributed by iron net.
Collector 22 is securable in pillar or the iron net of wire netting junction, at about 1.5 meters of ground, to avoid
Collector 22, which is installed, loosely causes wrong report, should select solid firm pillar or the wire netting strained at as mount point；During installation
Optional fastening clips are fixed, and can also use binding wire banding fixed, but no matter take which kind of mode, must allow collector 22
Closely it is securely fixed on medium.
As shown in Figure 13 and Figure 14, a kind of chain link fence laying embodiment three and four, the sensitivity of vibration optical cable 21 exist
Whole defence area scope has uniformity, but the elasticity of medium can change, so to be examined when optical cable 21 is vibrated in laying
Consider the influence of this factor, the vibration induction area of optical cable 21 laid on tighter medium on more loose medium than laying
Optical cable induction area it is big, can be by figure such as when the column portion of wire netting, defence area end section lay vibration optical cable 21
Mode shown in 13 and Figure 14 is laid, and wherein Figure 14 paving mode is more more sensitive than Figure 13 mode, if needs to use this
Kind of mode increases the sensitivity in footing defence area, should be determined by on-the-spot test.
In laying vibration optical cable 21 on enclosure wall, the inner side that collector 22 and GPZ 23 are connected to enclosure wall is liftoff
At 1.5 ~ 2 meters of height, twice vibration optical cable 21 is laid on metope using parallel line type mode in the outside of enclosure wall.
As shown in figure 15, embodiment is laid on a kind of enclosure wall, common are chisel wall for the invasion mode of enclosure wall and cross.
It is a kind of common invasion mode for enclosure wall to dig wall, and vibration optical cable 21 can be collected when invader digs wall and produced
Raw microvibration.Workmen can lay twice vibration optical cable 21, the height of enclosure wall using parallel line type mode on metope
It is not to be exceeded 2 meters, vibration optical cable 21 should be fixed at 0.5 meter and 1.5 meters of ground, high if enclosure wall is highly more than 2 meters
Degree often increases by 1 meter, need to increase by one of vibration optical cable 21, and vibration optical cable 21 is horizontally fixed on the middle part in the region.In order to ensure to shake
Dynamic optical cable 21 can sense to be vibrated caused by chisel wall, it is necessary to assure metope is solid, and brick can not have loosening soon, and optical cable should be tight
Enclosure wall surface is thickly attached to, wire clip can be used to be fixed every 50 centimetres.
If invader is entered by the way of crossing, caused vibration is extremely faint during this, vibrates optical cable 21
The signal sensed is insufficient as judging the foundation of invasion, so when taking precautions against this invasion mode, it is necessary to installed on the top of a wall
Net is detained, rolls net or vertical net, with the intensity and induction area of increase vibration.Button net materials typically use Φ 3, aperture as 20cm X
5cm iron net, it should be noted that in the online fixed vibration optical cable 21 of button and vibration optical cable 21 be fixed on to the top that net is buckled on the outside of enclosure wall,
Vibration optical cable more than 21 can be laid several roads when needing to improve alert level.
Collector 22 should be arranged on the height of liftoff 1.5 meters of inboard wall, be fixed on the wall with expansion bolt.
In addition, for buried type, collector 22, which can gather, to be embedded under the circumference earth's surface medium such as lawn, sandy soil, gravel
Sensing optic cable signal.Laying vibration optical cable 21 when can use peripherally parallel laid multiple tracks vibration optical cable 21 by the way of, but
Because quality, the hardness of different earth's surface media are different, so the laying interval difference of vibration optical cable 21.
In the utility model, collector 22 is a Intelligent switch amount output warning device, with vibration optical cable 21, report
Alert main frame 1 forms warning system, warning system strong antijamming capability, the good reliability, except that can detect various ways
Invasion is outer, can also shield and be reported by mistake caused by most of environmental factor, the circuit part in collector 22 takes securely and reliably
Lighting Protection Measures, in addition, the shell of collector 22 is manufactured using the engineering plastics of high-strength performance, material is light and with reliable
Sealing water resistance.
In the utility model, to vibrate optical cable 21 for sensing unit, alarm signal is produced using extraneous vibration；Using shaking
Dynamic optical cable 21 can preferably exclude the interference in extraneous highfield magnetic field as sensor, and system reliability is high；Vibrate optical cable 21
It is lost that small, stability is high in transmitting procedure, the maximum detectable range in each defence area is 1000m；Vibration optical cable 21 is passive spy
Device is surveyed, suitable for combustible and explosive area；Vibration optical cable 21 is applied to various complicated landforms, can be achieved to irregular circumference defence area
Detection；Vibration optical cable 21 can be laid immediately on anti-climbing in various iron nets；Vibration optical cable 21 has very high sensitivity, can be with
Directly carry out buried laying；Collector 22 can gather the defence area of two kinds of different mediums.
Vibration optical cable 21 is passive and cable-shaped used in the utility model, particularly suitable with a varied topography, inflammable easy
Quick-fried article warehouse, irregular perimeter region and should not power supply enter etc. place install and use；Also can be embedded to wall, be embedded to it is inferior
Anti- chisel, anti-trespass as bank vault, ammunition depot and other significant points use；Be alternatively arranged as field work place,
The warning line in campsite uses.
The normal activity of personnel near warning line is not influenceed in operation of the present utility model.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of optic cable vibration sensor alarm of low rate of false alarm, it is characterised in that including the alarm master in Control Room
Machine and several vibrating sensing mechanisms outside Control Room；The alarm host machine carries out channel radio with the vibrating sensing mechanism
Letter connection；The vibrating sensing mechanism includes vibration optical cable, collector and GPZ, one end of the vibration optical cable and institute
Collector connection is stated, the other end of the vibration optical cable is connected with the GPZ；It is provided with and is used in the collector
The laser of laser signal is sent to the vibration optical cable, for receiving the output waveform optical signal for vibrating optical cable and sending
Photo-detector, the optical signal for photo-detector transmission to be come change into the optical-electrical converter of electric signal, for by described in
The alarm processor that the electric signal that optical-electrical converter transmission comes is analyzed and processed.
2. the optic cable vibration sensor alarm of a kind of low rate of false alarm according to claim 1, it is characterised in that described to adopt
The wireless launcher for sending alarm signal and being connected with the alarm processor is provided with storage, in the alarm host machine
It is provided with the wireless receiver of the alarm signal sent for receiving the wireless launcher.
A kind of 3. optic cable vibration sensor alarm of low rate of false alarm according to claim 1 or 2, it is characterised in that institute
State the frequency filter being provided with collector for the vibration signal that rejection frequency is 20HZ~200HZ.
4. the optic cable vibration sensor alarm of a kind of low rate of false alarm according to claim 3, it is characterised in that described to adopt
The set of frequency device of the rejection frequency size for setting the frequency filter is provided with storage.
5. the optic cable vibration sensor alarm of a kind of low rate of false alarm according to claim 3, it is characterised in that described to adopt
It is provided with storage based on the detector by detecting the vibration signal duration and the event by being counted to vibration number
Number device, the detector, event counter are connected with the alarm processor.
A kind of 6. optic cable vibration sensor alarm of low rate of false alarm according to claim 1, it is characterised in that the report
The equal warning mechanism and indication mechanism being connected with the wireless receiver is provided with alert main frame, the warning mechanism includes being connected
What is connect is arranged on the relay of the inside of the alarm host machine and the indicator lamp being arranged in the alarm host machine；The display machine
Structure includes the display screen being connected and the memory for being stored with electronic map information.
7. the optic cable vibration sensor alarm of a kind of low rate of false alarm according to claim 1, it is characterised in that in iron skill
On fence laying vibration optical cable when, the collector and GPZ are fixedly connected with iron skill, it is described vibration optical cable with
The form for walking S types is connected on the iron artistic fence.
8. the optic cable vibration sensor alarm of a kind of low rate of false alarm according to claim 1, it is characterised in that in iron wire
On netting fence during laying vibration optical cable, the collector and GPZ are fixedly connected with chain link fence, described to shake
Dynamic optical cable is connected on the chain link fence with form of straight lines.
9. the optic cable vibration sensor alarm of a kind of low rate of false alarm according to claim 1, it is characterised in that in enclosure wall
During upper laying vibration optical cable, at the height for liftoff 1.5~2 meters of the inner side that the collector and GPZ are connected to enclosure wall,
Laid in the outside of enclosure wall using parallel line type mode on metope described in twice and vibrate optical cable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720775231.9U CN206991492U (en) | 2017-06-29 | 2017-06-29 | A kind of optic cable vibration sensor alarm of low rate of false alarm |
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| CN201720775231.9U CN206991492U (en) | 2017-06-29 | 2017-06-29 | A kind of optic cable vibration sensor alarm of low rate of false alarm |
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| CN206991492U true CN206991492U (en) | 2018-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110570636A (en) * | 2019-09-12 | 2019-12-13 | 上海卓希智能科技有限公司 | Vibration alarm method based on nine-axis sensor and device and system thereof |
-
2017
- 2017-06-29 CN CN201720775231.9U patent/CN206991492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110570636A (en) * | 2019-09-12 | 2019-12-13 | 上海卓希智能科技有限公司 | Vibration alarm method based on nine-axis sensor and device and system thereof |
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