CN106323381A - Manhole cover detection device and method - Google Patents
Manhole cover detection device and method Download PDFInfo
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- CN106323381A CN106323381A CN201610841605.2A CN201610841605A CN106323381A CN 106323381 A CN106323381 A CN 106323381A CN 201610841605 A CN201610841605 A CN 201610841605A CN 106323381 A CN106323381 A CN 106323381A
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- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention provides a manhole cover detection device. The manhole cover detection device is used for manhole cavity and manhole cover monitoring. The manhole cover detection device comprises low-frequency signal sources, a low-frequency signal receiver, a processor and a wireless signal transmitter, wherein the low-frequency signal sources are arranged at the lower surface of a manhole cover, the low-frequency signal receiver is arranged on the side wall of a manhole cavity and is used for receiving signals emitted by the low-frequency signal sources, three or more low-frequency signal sources are adopted, the low-frequency signal sources are arranged at different positions of the lower surface of the manhole cover, the low-frequency signal receiver is connected with the processor, and the wireless signal transmitter is connected with the processor; and the manhole cover detection device further comprises a light intensity sensor, wherein the light intensity sensor is arranged in the manhole cavity and is connected with the processor. Based on the manhole cover detection device, the invention also provides a manhole cover detection method. With the manhole cover detection device and method of the invention adopted, the state of the manhole cover can be effectively monitored, the workload of netted type investigation can be decreased, and the timeliness of monitoring can be improved.
Description
Technical field
The present invention relates to well lid detection technique field, particularly relate to a kind of well lid detection device and method.
Background technology
For convenience of dredging and the use of the underground pipe networks such as sewer, the earth's surface used at pipe network arranges opening, for ensureing
The use safety of above-mentioned opening, arranges well lid at opening part, and the opening of underground pipe network with earth's surface is hidden by well lid, prevents people
Or thing falls to underground pipe network.In use, it is desirable to well lid has intensity height, acid and alkali-resistance, the spy such as corrosion-resistant and wear-resisting
Property.
But in the use engineering of well lid, all parts of the country again and again occur manhole cover damage, well lid stolen or are washed away by rainwater
Problem, causes casualties in the case of night or heavy rain etc. are beyond recognition well lid state.So, for improving the use of well lid
Safety, municipal sector will irregularly carry out hauling type well lid status checkout, to ensure to enter the well lid that use state is bad in time
Row maintenance or replacing.
But hauling type inspection will expend vast man power and material, and the inspection completing entirety will consume a longer time, hold
Easily occur causing the generation of casualty accident because of the ageing deficiency checked.For improving the safety that well lid uses, need people
The use state of well lid is carried out accurate and effective monitoring.
Summary of the invention
For overcoming problem present in correlation technique, the present invention provides a kind of well lid detection device and method.
First aspect according to embodiments of the present invention, it is provided that a kind of well lid detection device, monitors for well room well lid, bag
Include: low frequency signal source, low frequency signal receptor, processor and wireless signal transmitter；Wherein:
Described low frequency signal source is arranged on the lower surface of well lid, and described low frequency signal receptor is arranged on the sidewall of well room
On, described low frequency signal receptor is for receiving the signal that described low frequency signal source sends, and the quantity of described low frequency signal source
More than or equal to 3, and described low frequency signal source is arranged on the diverse location of described well lid lower surface；
Described low frequency signal receptor connects described processor, and described wireless signal transmitter connects described processor,
It is indoor that described well lid detection device also includes that light intensity sensor, described light intensity sensor are arranged on described well, and institute
State light intensity sensor and connect described processor.
Preferably, in above-mentioned well lid detection device, also include that pressure transducer, described pressure transducer are arranged on described well
Indoor, described pressure transducer connects described processor.
Preferably, in above-mentioned well lid detection device, also include that gas analysis apparatus, described gas analysis apparatus are arranged on described well
Indoor, described gas analysis apparatus connects described processor.
Preferably, in above-mentioned well lid detection device, the quantity of described low frequency signal source is 3, described low frequency signal source two
Two conllinear and described low frequency signal source are not arranged on the same straight line be.
Preferably, in above-mentioned well lid detection device, also include that accumulator, described accumulator are that described well lid detection device carries
For electric energy, and described accumulator series connection miniature vibration electric generator, described miniature vibration electric generator is arranged on the following table of described well lid
Face.
The well lid detection device that the present invention provides, is provided with low frequency signal source, low frequency signal receptor and light intensity sensor,
Cooperated by low frequency signal source and low frequency signal receptor, can judge whether well lid position changes accurately, with
Time by light intensity sensor monitor well room brilliancy, it is judged that whether well lid there is breakage, by judging well lid position and well room
Interior brightness, obtains the state of well lid, it is achieved the monitoring of well lid state.When occurring that well lid position changes and/or well lid breaks
When damage, can know in time, it is achieved the effective monitoring of well lid state, reduce the workload drawing in the net to investigate, and improve monitoring
Ageing, can be prevented effectively from because well lid defective mode finds or maintenance does not occurs personnel casualty accidents on time.
The well lid detection device provided based on the present invention, present invention also offers a kind of well lid detection method, described method
Including:
Obtain the low frequency signal of the lower surface low frequency signal source of well lid, calculate described low frequency signal source and receive with low frequency signal
The actual range of device；
Contrast the setpoint distance of corresponding low frequency signal source and the reality of described low frequency signal source with low frequency signal receptor
Distance, it is judged that whether the position of described well lid changes；
When the position of well lid changes, send well lid alarm signal；
Obtain well indoor light sensation intensity, it is judged that whether described well indoor light sensation intensity is more than well room light sensation strength criterion；
When described well indoor light sensation intensity is more than well room light sensation strength criterion, send well lid alarm signal.
Preferably, in above-mentioned well lid detection method, described method also includes:
Obtain the pressure data that well is indoor；
Judge described pressure data, it is thus achieved that well indoor liquid level；
Judge fluid level condition grade belonging to described liquid level；Wherein, described fluid level condition grade includes normal grade, early warning
Level, warning level and waterlogging level.
Preferably, in above-mentioned well lid detection method, described method also includes:
Obtain well indoor gas composition and its content；
Judge that whether described well indoor gas composition is higher than normal level；
When described well indoor gas composition is higher than normal level, send gas alarm.
Preferably, in above-mentioned well lid detection method, described method also includes:
When described liquid level is early warning level, use the pressure data that f1 frequency acquisition well is indoor；
When described liquid level is warning level, use the pressure data that f2 frequency acquisition well is indoor；
When described liquid level is waterlogging level, use the pressure data that f3 frequency acquisition well is indoor；Wherein, f1 ＜ f2 ＜
f3。
The well lid detection method that the present invention provides, the well lid detection device provided based on the present invention, it is simple to well lid state
Monitoring, contributes to obtaining in time the state of well lid, improves the safety that well lid uses.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
The present invention can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of well lid detection device that Fig. 1 provides for the embodiment of the present invention；
The schematic flow sheet of a kind of well lid detection method that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet of another well lid detection method that Fig. 3 provides for the embodiment of the present invention；
The schematic flow sheet of another well lid detection method that Fig. 4 provides for the embodiment of the present invention；
The frame diagram of the wisdom manhole cover system that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the present invention are consistent.
Fig. 1 is the structure of a kind of well lid detection device that the embodiment of the present invention provides.
The well lid detection device that the present invention provides, monitors for well room well lid, mainly includes that low frequency signal source 1, light intensity pass
Sensor 2, low frequency signal receptor 3, processor 4 and wireless signal transmitter 5, its lower surface being mainly disposed to well lid 10 and well
In room 11, as shown in Figure 1.
Wherein: low frequency signal source 1 is arranged on the lower surface of well lid 10；Light intensity sensor 2 is arranged in well room 3, is typically chosen
Well room 11 exports, distance well lid 10 be not distant location；Light intensity sensor 2 connects sensor 4, and light intensity sensor 3 will be adopted
The light sensation strength signal of collection passes to processor 4, and low frequency signal receptor 3 is arranged in well room 11, is preferably provided at well room 11
Sidewall on, low frequency signal receptor 3 is for receiving the signal of low frequency signal source 1；Low frequency signal receptor 3 connects processor 4,
The low frequency signal source 1 received is sent signal and is transferred to processor 4 by low frequency signal receptor 3；The light that processor will collect
The signal that sense strength signal and low frequency signal receptor 3 receive processes, and processor 4 is also connected with wireless signal transmitter
5, wireless signal transmitter 5 data or transmission of signal in processor 4.
Low frequency signal source 1 and low frequency signal receptor 3 with the use of, low frequency signal source 1 launches low frequency signal, passes through low frequency
Signal receiver 3 receives the low frequency signal of low frequency signal source 1, it is determined that low frequency signal source 1 and the distance of frequency signal receiver 3, root
According to the distance of low frequency signal source 1 with frequency signal receiver 3, the position of well lid is monitored.For accurately judging the position of well lid 10
Configuration state, the quantity of low frequency signal source 1 generally preferably 3 or more than 3, low frequency signal receptor 3 receives each low frequency letter
Number signal that source 1 sends.Preferably, low frequency signal source 1 is distributed the lower surface with well lid 10 uniformly, typically avoids low frequency signal
Source 1 is distributed on same straight line, when low frequency signal source 1 is distributed in same straight line time, it is possible that well lid 10 is around institute
State straight line to rotate, occur examining do not measure well lid 10 position because low frequency signal source 1 being constant with the distance of low frequency signal receptor 3
State changing condition, cause casualties accident.
Preferably, the quantity of low frequency signal source 1 selects 3, low frequency signal source 1 conllinear two-by-two and not at same straight line
On.So, low frequency signal source 1 is saved, it is also possible to realize the comprehensive monitoring of well lid 10 state.
Light intensity sensor 2 is a kind of light intensity induction apparatus, can be monitored the light intensity in well room 11, when well lid 10 occurs
Time damaged, light enters in well room 11 from the breakage of well lid 10, and light intensity sensor 2 gathers light intensity signal, and is sent out by signal
Deliver to processor, can carry out the monitoring of well lid 10 breakage, find manhole cover damage hidden danger in advance, it is achieved well lid 10 hidden danger timely
Investigation.
Preferably, light intensity sensor 2, start work during daytime, be automatically switched off night, the time calls network time and process
Device 4 time alarm clock combines, and the feedback current network time when uploading data to processor 4, to the time of single-chip microcomputer in processor 4
It is corrected, when the light intensity sensor 2 reaching to set when processor 4 time starts the time, directly initiates light intensity sensor 2, adopt
Collection light intensity signal, measures light intensity.
The well lid detection device that the embodiment of the present invention provides, is provided with low frequency signal source 1, low frequency signal receptor 3 and light
Strong sensor 2, is cooperated by low frequency signal source 1 and low frequency signal receptor 3, can judge the position of well lid 10 accurately
Whether change, monitor well room brilliancy by light intensity sensor 2, it is judged that whether well lid 10 breakage occurs simultaneously；By sentencing
Brightness in the position of disconnected well lid 10 and well room 11, obtains the state of well lid 11, it is achieved the monitoring of well lid 10 state.Work as appearance
The when that well lid 10 position changing and/or well lid 10 is damaged, can know in time, it is achieved the effective monitoring of well lid state,
Reduce the workload drawing in the net to investigate, and improve the ageing of monitoring, can be prevented effectively from because well lid defective mode finds or examines
Repair unpunctual and personnel casualty accidents occurs.
For further optimisation technique scheme, the well lid detection device that the embodiment of the present invention provides also includes pressure transducer 6,
Pressure transducer 6 is arranged in well room 11, and pressure transducer 6 connects processor 4, and pressure transducer 6 is used for monitoring 11 pressures in well
Force value, generally refers to be monitored, fluid pressure in well room 11 according to the fluid pressure monitored, it is determined that liquid level in well room 11
Highly, the monitoring of underground pipe network water level can be carried out.Processor 4 can control the frequency gathering pressure signal of pressure transducer 6
Rate, according to the liquid level height value monitored, selects suitable frequency to carry out signals collecting.As, when the signal reaction of detection goes out liquid
The when that position aspect ratio being higher, use higher frequency to carry out the collection of pressure signal, monitor liquid level in real time, can be to easily
Flood point is monitored.
It is typically provided with carrying the pipeline of gas in underground pipe network, as carried natural gas, when there is leakage situation in pipeline,
While causing economic loss, it is also possible to cause casualties, for finding the leakage of gas in pipelines in time, the present invention carries
The well lid detection device of confession also includes that gas analysis apparatus 7, gas analysis apparatus 7 are arranged in well room 11, and gas analysis apparatus 7 can divide
Analysis well room 11 composition of gases within and content, gas analysis apparatus 7 connects processor 4, and processor 4 receives gas analysis apparatus 7
Data can be transmitted by wireless signal transmitter 5 by data, carry out the monitoring of gas in well room 11.Meanwhile, gas divides
Parser 7 can carry out SO2、NO2Etc. the detection of harmful gas composition, in case the staff of lower well operations occurring because not knowing
It is poisoned under gas station in well room 11, improves the job security of lower well operations.
Meeting the well lid detection device power demands when in use that the embodiment of the present invention provides for convenience, the present invention is real
The well lid detection device that executing example provides also includes accumulator 8 and miniature vibration electric generator 9, miniature vibration electric generator 9 and accumulator 8
Connecting, and miniature vibration electric generator 9 is arranged on the lower surface of well lid 10, accumulator 8 can be used for the confession of well lid detection device itself
Electricity, miniature vibration electric generator 9 can also generate electricity, and by electrical power storage to accumulator 8.As, when well lid 10 is positioned at road
Surface when, when travel vehicle through well lid 10 surface or side when, well lid 10 vibrates, shaking of well lid 10
Moving and generated electricity by driving miniature vibration electric generator 9, miniature vibration electric generator 9 will be able to be that the use of well lid detection device provides electricity
Energy.
The well lid detection device provided based on the embodiment of the present invention, present invention also offers a kind of well lid detection method, should
For server end, for the monitoring of well lid well room, described method such as accompanying drawing 2, mainly include the following steps that.
S101: obtain the low frequency signal of the lower surface low frequency signal source of well lid, calculates described low frequency signal source and believes with low frequency
The actual range of number receptor.
Low frequency signal source supports the use with low frequency signal receptor, and the low frequency signal source that the lower surface of well lid is arranged is launched low
Frequently signal, low frequency signal receptor receives the low frequency signal that low frequency signal source is launched, and obtains low frequency signal, calculates low frequency signal source
With the actual range of low frequency signal receptor, by the actual range of monitoring low frequency signal source and low frequency signal receptor, to well
The position of lid is monitored.According to the computing formula of space length, l^2=(x1-x2) ^2+ (y1-y2) ^2+ (z1-z2) ^2, meter
Calculate the distance of each low frequency signal source and low frequency signal receptor.
S102: contrast setpoint distance and described low frequency signal source and the low frequency signal receptor of corresponding low frequency signal source
Actual range, it is judged that whether the position of described well lid changes.
Specifically, arrange the distance threshold of monitoring low frequency signal source and low frequency signal receptor, by the reality that monitors away from
Compare from distance threshold, it is judged that whether the position of well lid changes.Calculate each low frequency signal source to believe with low frequency
The distance of number receptor, when all of distance does not the most change when, the position of well lid is just not changed in.For further
Optimisation technique scheme, sets the distance revision value of low frequency signal source and low frequency signal receptor, when low frequency signal source is believed with low frequency
In the case of the distance amount of change of number receptor is less, the variation of well lid position can be ignored.
S103: when the position of well lid changes, sends well lid alarm signal.
When acquisition well lid position changes when, send well lid alarm signal, carry out alarm, remind and look in time
See and process.
S104: obtain well indoor light sensation intensity, it is judged that whether described well indoor light sensation intensity is more than well room light sensation intensity scale
Accurate.
Light intensity sensor production wells indoor light intensity signal, and by light intensity signal transmission to processor, processor is by wireless
Signal projector carries out the transmission transmission of data.Obtain well indoor light sensation intensity, it is judged that light sensation intensity is the most normal.Generally adopt
With, the well room light sensation strength criterion of the light sensation intensity of acquisition with setting is contrasted.
S105: when described well indoor light sensation intensity is more than well room light sensation strength criterion, send well lid alarm signal.
When the light sensation intensity obtained is more than well room light sensation strength criterion, send well lid alarm signal.
When well lid position changes or well room light intensity is bigger time, send well lid alarm signal, carry out well lid report
Alert prompting.Data transmission uses the technology such as GPRS wireless data transmission that the data of monitoring are transferred to server database, is sending out
The when of going out alarm signal, the display of well lid position, locking well cover position will be carried out, it is simple to investigate and safeguard.
The well lid detection method that the embodiment of the present invention provides, the well lid detection device provided based on the present invention, it is simple to well lid
The monitoring of state, contributes to obtaining in time the state of well lid, improves the safety that well lid uses.
For further optimisation technique scheme, the well lid detection method that the embodiment of the present invention provides, as shown in Figure 3, it is also
Comprise the steps:
S201: obtain the pressure data that well is indoor.
Processor receives the signal of pressure transducer, and is processed by signal, obtains pressure data and by described pressure
Data send to server.Obtain the pressure data of processor transmission, obtain the pressure data that well is indoor.
S202: judge described pressure data, it is thus achieved that well indoor liquid level.
The pressure data that well is indoor is analyzed, obtains well indoor liquid level, it is achieved to well indoor liquid level
Monitoring.
S203: judge fluid level condition grade belonging to described liquid level.
Liquid level is carried out fluid level condition grade classification, as liquid level being divided into normal grade, early warning level, warning level and interior
Flood level.According to liquid level height value and well room location, carry out liquid level division, set 3 liquid levels, as H1,
H2, H3, and H1 ＜ H2 ＜ H3, when liquid level is less than H1, liquid level belongs to normal grade；When liquid level is less than H2 higher than H1, liquid level belongs to pre-
Alert level；When liquid level is less than H3 higher than H2, liquid level belongs to warning level；When liquid level is higher than H3, liquid level belongs to waterlogging level.Carry out liquid level
The division of grade can the altitudes of observation well indoor liquid level intuitively.
When liquid level reaches early warning level, warning level or waterlogging level, can be selected for different frequencies and proceed liquid level number
According to collection, i.e. control pressure transducer and carry out the collection of pressure signal with corresponding frequency.Preferably, when described liquid level
During for early warning level, use the pressure data that f1 frequency acquisition well is indoor；When described liquid level is warning level, use f2 frequency
Obtain the pressure data that well is indoor；When described liquid level is waterlogging level, use the pressure data that f3 frequency acquisition well is indoor；
Wherein, f1 ＜ f2 ＜ f3.But it is also not limited to this, suitable frequency can be selected as the case may be.
On the basis of above-described embodiment, carrying out the optimization of embodiment, present invention also offers new embodiment, it adds
As shown in Figure 4, its well lid detection method also comprises the steps: step
S301: obtain well indoor gas composition and its content.
Receive processor send well indoor gas composition and its content data, obtain well indoor gas composition and its
Content.
S302: judge that whether described well indoor gas composition is higher than normal level.
Setting well indoor gas composition normal level, prestore well indoor gas composition normal level, the well room that will get
Composition of gases within and its content contrast with the well indoor gas composition normal level prestored.
S303: when described well indoor gas composition is higher than normal level, send gas alarm.
When the well indoor gas composition got and its content are higher than normal level, carry out gas alarm prompting.As,
When well indoor methane content being detected higher than normal level, carrying out methane content and exceed standard promptings, warning methane content exceeds standard, and answers
Avoid naked light, can warn simultaneously and there may be gas leakage；But SO detected2、NO2During etc. harmful gas, carry out SO2、NO2
Warning is reminded, it is to avoid downhole operations personnel are poisoned because well room gas station is not clear.So, the safety of downhole operations is improved
Property.
The well lid detection method provided by the embodiment of the present invention, it is possible to achieve the effective use of well lid detection device, side
Just the efficient utilization of well lid detection arrangement monitors data.The data of well lid detection arrangement monitors are by GPRS wireless data transmission etc.
Technology is transferred to server database the data of monitoring, is managed collectively its information by wisdom manhole cover system.Wisdom
The structure of manhole cover system such as accompanying drawing 5, it achieves well lid detection method.
Monitor database in data Layer is the data of headend equipment monitoring, and spatial database and pipe network data base are pipe network
Buried position data and pipe network basic data are the bases that map is shown.
Service layer includes Map Services, data processing service, analysis and assessment service.Service layer provides unification for application layer
Data access interface, also carries out abstract and encapsulation, it is achieved the recycling of seeervice level function simultaneously to general function.
Application layer mainly includes map display module, data management module, alarm module, pipe network defect analysis mould
Well lid and pipe network are effectively managed by block, pipe network operation management module.
Wherein problematic well lid and pipe network position are positioned by alarm module, have pin when pipe network operation management
Emphases of supervision region to property.
Pipe network defect analysis is by the liquid level of Monitoring Data the most each well room, in conjunction with pipe network Back ground Information, such as caliber, and coordinate,
Landform, pipe network annexation automatically analyzes the serious functional defect of pipe network, reduces the engineering cost of hauling type pipe network defect investigation
With.
Those skilled in the art are considering description and are putting into practice here after disclosure of the invention, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (9)
1. a well lid detection device, monitors for well room well lid, it is characterised in that including: low frequency signal source, low frequency signal connect
Receive device, processor and wireless signal transmitter；Wherein:
Described low frequency signal source is arranged on the lower surface of well lid, and described low frequency signal receptor is arranged on the sidewall of well room, institute
State low frequency signal receptor for receive described low frequency signal source send signal, and the quantity of described low frequency signal source more than or
Equal to 3, and described low frequency signal source is arranged on the diverse location of described well lid lower surface；
Described low frequency signal receptor connects described processor, and described wireless signal transmitter connects described processor,
It is indoor that described well lid detection device also includes that light intensity sensor, described light intensity sensor are arranged on described well, and described light
Strong sensor connects described processor.
Well lid the most according to claim 1 detection device, it is characterised in that also including pressure transducer, described pressure passes
It is indoor that sensor is arranged on described well, and described pressure transducer connects described processor.
Well lid the most according to claim 1 detection device, it is characterised in that also include that gas analysis apparatus, described gas divide
It is indoor that parser is arranged on described well, and described gas analysis apparatus connects described processor.
Well lid the most according to claim 1 detection device, it is characterised in that the quantity of described low frequency signal source is 3, institute
State low frequency signal source conllinear two-by-two and described low frequency signal source is not arranged on the same straight line be.
5. detect device according to the well lid described in claim 1-4 any one, it is characterised in that also include accumulator, described
Accumulator provides electric energy, and described accumulator series connection miniature vibration electric generator, described micro-vibration for described well lid detection device
Electromotor is arranged on the lower surface of described well lid.
6. a well lid detection method, it is characterised in that described method includes:
Obtain the low frequency signal of the lower surface low frequency signal source of well lid, calculate described low frequency signal source and low frequency signal receptor
Actual range；
Contrast the setpoint distance of corresponding low frequency signal source and the actual range of described low frequency signal source with low frequency signal receptor,
Judge whether the position of described well lid changes；
When the position of well lid changes, send well lid alarm signal；
Obtain well indoor light sensation intensity, it is judged that whether described well indoor light sensation intensity is more than well room light sensation strength criterion；
When described well indoor light sensation intensity is more than well room light sensation strength criterion, send well lid alarm signal.
Well lid detection method the most according to claim 6, it is characterised in that described method also includes:
Obtain the pressure data that well is indoor；
Judge described pressure data, it is thus achieved that well indoor liquid level；
Judge fluid level condition grade belonging to described liquid level；Wherein, described fluid level condition grade include normal grade, early warning level,
Warning level and waterlogging level.
Well lid detection method the most according to claim 6, it is characterised in that described method also includes:
Obtain well indoor gas composition and its content；
Judge that whether described well indoor gas composition is higher than normal level；
When described well indoor gas composition is higher than normal level, send gas alarm.
Well lid detection method the most according to claim 7, it is characterised in that described method also includes:
When described liquid level is early warning level, use the pressure data that f1 frequency acquisition well is indoor；
When described liquid level is warning level, use the pressure data that f2 frequency acquisition well is indoor；
When described liquid level is waterlogging level, use the pressure data that f3 frequency acquisition well is indoor；Wherein, f1 ＜ f2 ＜ f3.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109406717A (en) * | 2017-08-17 | 2019-03-01 | 北京元正数据科技有限公司 | Downhole parameters detection system |
| CN109469188A (en) * | 2018-09-28 | 2019-03-15 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Intelligent rainwater well lid based on the NB-IoT communication technology |
| CN110044934A (en) * | 2019-04-01 | 2019-07-23 | 黑凤梨供应链管理（上海）有限公司 | A kind of surface fracture or the detection device and its detection method of surface state variation |
| CN110616745A (en) * | 2019-09-23 | 2019-12-27 | 山西省水利水电科学研究院 | Power generation well lid |
| CN111176177A (en) * | 2020-01-04 | 2020-05-19 | 王伟新 | Inspection well lid state monitoring system and working mechanism thereof |
| CN113947870A (en) * | 2021-10-20 | 2022-01-18 | 大唐安途(湖南)信息技术有限公司 | Intelligent inspection well cover monitoring method and system |
| CN114577412A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Oil gas leakage monitoring system |
| CN115424399A (en) * | 2022-09-02 | 2022-12-02 | 复旦大学 | Distributed optical fiber well lid switch monitoring system and method |
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