CN209103468U - A kind of well lid status real time monitor early warning system - Google Patents
A kind of well lid status real time monitor early warning system Download PDFInfo
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- CN209103468U CN209103468U CN201821416923.5U CN201821416923U CN209103468U CN 209103468 U CN209103468 U CN 209103468U CN 201821416923 U CN201821416923 U CN 201821416923U CN 209103468 U CN209103468 U CN 209103468U
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- well lid
- optical cable
- vibrating sensing
- real time
- sensing optical
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Abstract
A kind of well lid status real time monitor early warning system of the utility model, including Optical hanger, distributed vibrating sensing optical cable and optic cable vibration detect host, the top of Optical hanger and the lower surface of well lid connect, lower part has hook part, distributed vibrating sensing optical cable is horizontally through hook part, it is connect with optic cable vibration detection host, there is data processing module inside host, when well lid closure, distributed vibrating sensing optical cable and hook part have interval, when well lid is subjected to displacement, hook part can be moved up with well lid, it is in contact with distributed vibrating sensing optical cable and hooks distributed vibrating sensing optical cable.Distributed vibrating sensing optical cable acquires in real time, transmits the vibration signal of well lid, and it is sent to optical cable detection host, data processing module analysis processing signal, obtain the judgement whether well lid is displaced, staff is notified to take measures in time, to effectively prevent the cable in well lid and pipeline etc. stolen.Structure is simple, detection is accurate, reusable.
Description
Technical field
The utility model relates to a kind of well lid status real time monitor early warning systems, belong to optical cable field of sensing technologies.
Background technique
With the development of the city, the people's well and well lid of multiple industries such as municipal administration, communication, combustion gas, heat supply, electric power and day are all
Increase, is played an important role for the normal operation in city.However, the stolen event lost of well lid happens occasionally, after well lid is lost
Such as it cannot position and repair in time, not only bring security risk to pedestrian and vehicle, and criminal can pass through well lid entrance
Theft destroys underground line, influence to power and communicates, these not only will cause undesirable social influence, also result in huge
Economic loss.Therefore, have become China's safety-security area to the real-time intelligent management of well lid and underground cables to need to attack
Gram a problem, the various adverse circumstances such as strong electromagnetic, inflammable and explosive, high temperature, high humidity especially in the well are based on
The sensor of electricity is difficult to be competent at.
Manhole cover anti-theft system based on door status switch is more complicated, is changed according to the relative position of a pair of magnets to supervise
Well logging lid is opened, and not only battery is needed to power, it is also necessary to wireless signal force transfer.Due to high/low temperature, burn into metal pit shaft
Influence with well lid to the shielding action of electric signal etc. restraining factors leads to the system survival rate of door status switch monitoring well lid
It is low, stability is poor, maintenance work amoun is big, at high cost.
Utility model content
Aiming at the problem that, less effective complicated existing theft-prevention structure, the utility model provides a kind of well lid state and supervises in real time
Detection early warning system.
The technical solution of the utility model includes:
A kind of well lid status real time monitor early warning system, it is characterised in that: including Optical hanger, distributed vibrating sensing light
Cable and optic cable vibration detect host,
The top of the Optical hanger and the lower surface of well lid connect, and lower part has hook part,
The distribution vibrating sensing optical cable is horizontally through the hook part of the hook, detects host with the optic cable vibration
Connection, the host inside have data processing module,
When well lid closure, the distribution vibrating sensing optical cable and the hook part have interval, when position occurs for well lid
When shifting, the hook part can be moved up with the well lid, be in contact and hooked with the distributed vibrating sensing optical cable
The distribution vibrating sensing optical cable.
The hook part is in barb-type, including hook bottom and bill, bill upward, the distribution vibrating sensing optical cable it is straight
Diameter is less than the length of the bill, in well lid closure, is placed within the scope of the hook ditch door that bottom of trench and bill are formed, lowest part is not
Hook bottom, highest point are contacted without departing from bill horizontal position.
The height of 20-80% of the distribution vibrating sensing optical cable between the hook bottom and bill.
A kind of well lid status real time monitor early warning system further includes warning device, is connected with optic cable vibration detection host
It connects.
The vibrating sensing optical cable is the G.652 optical fiber of communication.
The distribution vibrating sensing optical cable is laid along underground utilities, and enters the people's well passed through on the way.
The distribution vibrating sensing optical cable is inverted U shape laying after entering people's well, and horizontal component is horizontally through the crotch
Portion, the fixing clasp on two sides employment well inner wall are fixed, and the size of the snap ring allows the distributed vibrating sensing optical cable quilt
Automatic play when pullling.
The connection of the Optical hanger and the well lid is welding.
A kind of a kind of well lid status real time monitor method for early warning, it is characterised in that above-mentioned well lid status real time monitor early warning
System,
Distributed vibrating sensing optical cable acquires the vibration signal of the well lid of people's well in real time, and the vibration signal is passed to
Optic cable vibration monitors host, and the host receives, stores, handles and analyzes the vibration signal, determines the oscillation intensity of well lid
And corresponding position, it is associated with corresponding number and oscillation intensity threshold value, and judge whether well lid is subjected to displacement,
When the oscillation intensity < threshold value, show that the well lid of corresponding position is closed state；
When the oscillation intensity >=threshold value, show that the well lid of corresponding position is subjected to displacement: if continue it is described vibration and/
Or signal interruption, show that the well lid of corresponding position is stolen or optical cable has been broken；If continuing strong in the vibration far below threshold value
Degree is lower to be vibrated and/or does not vibrate, and shows the well lid rollover of corresponding position.
When oscillation intensity has been more than threshold value, then warning device is touched, and shows position and the number of alarm well lid.
The advantageous effects of the utility model:
A kind of well lid status real time monitor early warning system of the utility model, including Optical hanger, distributed vibrating sensing
Optical cable and optic cable vibration with data processing module detect host, are not only simple in structure and are capable of the different of accurate judgement well lid
Normal state.In the case of well lid normally closed, distributed vibrating sensing optical cable passes through and does not contact the hook part of hook, thus is avoided that
The vibration that vehicle roll off well lid generates is passed into vibrating sensing optical cable by hook, to reduce and avoid system wrong report
It is alert；When well lid displacement only occurs, such as due to stealing well lid and being agitated it will open or have been switched on or remove or well lid
Rollover, hook are tilted or are moved up with the displacement of well lid, and hook part can just hook and tear distributed vibrating sensing light
Cable, optical cable detect this strong vibration, and are sent to optic cable vibration detection host.The data processing module analysis of host is handled
The vibration signal that optical cable is sent, obtains signal strength, and the standard of well lid is calculated according to the light velocity and optical signal transmission time
True location information, it is corresponding with the number of well lid and threshold value, it whether is more than that threshold value judges whether well lid goes out by oscillation intensity
The case where showing abnormal vibrations, and capable of being subjected to displacement to well lid further discriminates between: if continued near threshold value
Irregular judder, even result in vibrating sensing cable breakout, signal interruption, illustrate that well lid is stolen；If detected
Judder (being more than threshold value) just stopped afterwards, or continues to generate and continue faint vibration, illustrate that well lid is turned on one's side.
In short, a kind of well lid status monitoring early warning system of the utility model, distributed vibrating sensing optical cable acquires in real time,
Vibration signal is transmitted, and sends a signal to optical cable detection host connected to it, the data processing module analysis of the host
The vibration signal is handled, so that distinguishing well lid is stolen loss situation and normal interference, judges whether well lid is opened.It is seeing
Abnormal vibrations i.e. oscillation intensity is observed more than threshold value or when hearing alarm, staff can take timely measure, to have
Effect prevents the cable in well lid and pipeline etc. stolen, traffic accident caused by preventing well lid from losing.
The hook part is preferably in barb-type, and optical cable is preferably placed at hook bottom and hook between the hook bottom and bill
The height of 20-80% between point, the diameter that the length of bill is greater than optical cable ensure that well lid is subjected to displacement or links up with energy when turning on one's side
Enough catch on distributed vibrating sensing optical cable, so that optical cable be made to generate strong/abnormal vibration signal, and according to this judge well lid from
People's well is opened.
It further include warning device, when the distributed vibrating sensing optical cable in certain well lid produces abnormal transient vibration signal, i.e.,
Oscillation intensity is more than threshold value, and system starts warning device and issues alarm, in order to remind related personnel in time, and accurately shows
The position of alarm well lid and number.Because of the influence of the vehicle on the location of well lid difference, ambient enviroment and road, meeting
The vibration performance for causing different well lids to generate is different.In order to guarantee the accuracy of monitoring, alarming, need to believe different location
The well lid of breath is separately provided alarm door limit value and goes forward side by side row number.In order to avoid reporting by mistake caused by the vibration around well, system can be
3 meters or so optical cables are set as monitored defence area in well, other than 3 meters optical cable acquisition to vibration signal be removed.
Monitoring with distribution vibrating sensing optical cable can borrow originally in the communication scheduling optical cable of pipeline laying one
Root G.652 optical fiber reduces installation and construction, and saves the pore resource of material and construction cost and preciousness.It can also be well lid
An optical cable is individually laid in monitoring.
Due to using above-mentioned distributed optic cable vibration sensing technology, set of system can monitor unidirectional 40km, two-way
The cable length of 80km in one's power in range owner's well well lid, and can number one by one, the number of accurate display alarm well lid
And accurate location.
When distributed vibrating sensing optical cable is fixed on people's well inner wall, relative positioning is only done, is in normal condition in well lid
Under, optical cable is fixed on people's well inner wall with fixing clasp, but not stuck optical cable, allows optical cable can when being drawn and pullled by hook
Free play, avoids optical cable from being torn；In addition, 3-5 meters of optical cables should be reserved in every place people well, in case fusion splice after optical cable damage
It reuses.
Vibrating sensing optical cable is reusable, restores only to need to have readjusted position of the optical cable in hook i.e. when using
It can；Even if, can also be to be continued to use after welding after cable breakout.
Detailed description of the invention
Fig. 1 is a kind of a kind of structural schematic diagram of embodiment of well lid status monitoring early warning system of the utility model；
Fig. 2 is a kind of a kind of partial schematic diagram of embodiment of well lid status monitoring early warning system of utility model；
Fig. 3 is a kind of structural schematic diagram of another embodiment of well lid status monitoring early warning system of the utility model.
Appended drawing reference: 1- distribution vibrating sensing optical cable；2- Optical hanger；21- bill；22- hook bottom；3- people's well；31- well
Wall；4- well lid；5- optic cable vibration monitors host；6- warning device.
Specific embodiment
For the clearer content for illustrating the utility model, specifically below in conjunction with attached drawing 1-3 and specific embodiment
It is bright.
Embodiment 1
As depicted in figs. 1 and 2, a kind of well lid status real time monitor early warning system of the present embodiment, including Optical hanger 2,
Distributed vibrating sensing optical cable 1 and optic cable vibration detect host 5.The Optical hanger 2 is welded in the lower surface of well lid 4, has
Hook part, hook part described in the present embodiment are barb-type, and the hook part includes hook bottom 22 and bill 21；The distributed vibration
The optical cable that dynamic sensing optic cable 1 is individually laid along underground utilities is inverted U shape when through remarkable well 3 on the way by several personal wells 3
Laying first arranges that horizontal component is horizontally through the hook part of the Optical hanger 2, then suitable again upwards from the borehole wall 31 of people's well
The borehole wall 31 downwards arrange, then enter the next man's well 3 along pipelining, repeatedly, and finally with the optic cable vibration
It detects host 5 to connect, there is data processing module inside the optic cable vibration detection host 5.In everyone well 3, optical cable is hung
The relative position of hook 2 and distributed vibrating sensing optical cable 1 are as follows: when 4 normally closed of well lid, the distribution vibrating sensing optical cable
At 1 40% height between the hook bottom 22 and bill 21, when well lid 4 is subjected to displacement, the Optical hanger 2 with
It moves up, hook part can hook and tear the distributed vibrating sensing optical cable 1, to detect strong vibration.
Distributed vibrating sensing optical cable 1 acquires the vibration signal of each well lid 4 passed through on the way in real time, and passes to described
Optic cable vibration detects host 5, and the data processing module of the optic cable vibration detection host 5 is analyzed and processed the signal,
It obtains optic cable vibration intensity and location information, and accurate judgement is carried out to the different conditions of well lid 4, avoid false alarm: when some
Or the vibration signal in certain well lids 4 be higher than setting corresponding threshold value when, show that abnormal vibrations have occurred in well lid 4, be distributed
Formula vibrating sensing optical cable 1 is hooked and is torn by hook part, if vibration signal is still lasting, irregular judder has occurred
Or vibration signal interrupts suddenly, shows that well lid 4 is stolen；If without vibration signal or becoming faint vibration, show well lid 4
It is turned on one's side.
The not only vibration of real-time detection Jing4Gai in abnormal cases of distributed vibrating sensing optical cable 1, at the same well lid 4 just
In normal situation, the also vibration of real-time detection detection well lid 4, to distinguish, well lid 4 is stolen and normal interference.Because of 4 institute of different well lids
The position at place is different, the influence of the vehicle on ambient enviroment and road, will lead to the vibration performance of the different generations of well lid 4 not
Equally.In order to guarantee the accuracy of monitoring, alarming, false alarm is further prevented, needs that alarm is separately provided to each well lid 4
Threshold value.
Distributed vibrating sensing optical cable 1 has the characteristic of optical cable, and passive installation on the way without power supply, and can adapt to
Various adverse circumstances in people's well 3 and in pipeline.And optic cable vibration detection host 5 is placed in computer room, according to distributed optical cable
Transmission feature, the set of system of the present embodiment can detecte unidirectional 40km, the cable length of the two-way 80km institute in range in one's power
There is the state of well lid 4.
Embodiment 2
As shown in figure 3, on the basis of embodiment 1, the optical cable of the present embodiment is to borrow originally along the communication of pipeline laying
The scheduling G.652 optical fiber of one in optical cable, and a kind of well lid status real time monitor early warning system further includes warning device 6, with
The optic cable vibration detection host 5 connects, and sends when the distributed vibrating sensing optical cable 1 that optical cable detection host 5 receives
When the oscillation intensity of vibration signal is more than the threshold value of people's well 3 of corresponding position, start warning device 6, to remind work in time
Personnel take measures.Due to the characteristic of optical cable, vibration signal can be not only acquired, but also information can be transmitted, data processing mould
Spread speed and time of the root tuber according to optical signal can analyze the position for obtaining different well lids, while to edge in optical cable installation
Each well lid 4 on way is numbered, and by the number information input data processing module, the position of well lid 4 and number are closed
Connection, thus when optic cable vibration detection host 5 judges that well lid is abnormal vibration or when warning device 6 issues alarm, it can
To quickly find corresponding well lid 4.
Specific embodiment described above can make those skilled in the art that the utility model be more fully understood, but not
The range of limitation the requires of the utility model protection in any way, all do not depart from the technical solution of the spirit and scope of this patent
And its improve, such as design different sizes, crotch form or select different optical fiber etc., as long as meeting the utility model
Spirit is encompassed by the protection scope of this patent.
Claims (8)
1. a kind of well lid status real time monitor early warning system, it is characterised in that: including Optical hanger, distributed vibrating sensing optical cable
Host is detected with optic cable vibration,
The top of the Optical hanger and the lower surface of well lid connect, and lower part has hook part,
The distribution vibrating sensing optical cable is horizontally through the hook part of the hook, connects with optic cable vibration detection host
It connects, there is data processing module inside the host,
When well lid closure, the distribution vibrating sensing optical cable and the hook part have interval, when well lid is subjected to displacement,
The hook part can be moved up with the well lid, be in contact with the distributed vibrating sensing optical cable and hooked described point
Cloth vibrating sensing optical cable.
2. a kind of well lid status real time monitor early warning system according to claim 1, it is characterised in that the hook part is in
Barb-type, including hook bottom and bill, upward, the diameter of the distribution vibrating sensing optical cable is less than the length of the bill to bill
Degree is placed within the scope of the hook ditch door that bottom of trench and bill are formed, lowest part does not contact hook bottom, highest point not in well lid closure
Beyond bill horizontal position.
3. a kind of well lid status real time monitor early warning system according to claim 2, it is characterised in that the distributed vibration
The height of dynamic 20-80% of the sensing optic cable between the hook bottom and bill.
4. a kind of well lid status real time monitor early warning system according to claim 1, it is characterised in that including warning device,
It is connect with optic cable vibration detection host.
5. a kind of well lid status real time monitor early warning system according to claim 1, it is characterised in that the vibrating sensing
Optical cable is the G.652 optical fiber of communication.
6. a kind of well lid status real time monitor early warning system according to claim 1, it is characterised in that the distributed vibration
Dynamic sensing optic cable is laid along underground utilities, and enters the people's well passed through on the way.
7. a kind of well lid status real time monitor early warning system according to claim 6, it is characterised in that the distributed vibration
Dynamic sensing optic cable, which enters after people's well, is inverted U shape laying, and horizontal component is horizontally through the hook part, on two sides employment well inner wall
Fixing clasp is fixed, the size permission of the snap ring distributed vibrating sensing optical cable automatic play when being pullled.
8. a kind of well lid status real time monitor early warning system according to claim 1, it is characterised in that the Optical hanger
Connection with the well lid is welding.
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| CN201821416923.5U CN209103468U (en) | 2018-08-31 | 2018-08-31 | A kind of well lid status real time monitor early warning system |
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| CN201821416923.5U CN209103468U (en) | 2018-08-31 | 2018-08-31 | A kind of well lid status real time monitor early warning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243123A (en) * | 2018-08-31 | 2019-01-18 | 北京百世通管道科技有限公司 | A kind of well lid status real time monitor early warning system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243123A (en) * | 2018-08-31 | 2019-01-18 | 北京百世通管道科技有限公司 | A kind of well lid status real time monitor early warning system and method |
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