CN104408882B - Methane detecting system based on combined manhole cover and detection alarming method - Google Patents
Methane detecting system based on combined manhole cover and detection alarming method Download PDFInfo
- Publication number
- CN104408882B CN104408882B CN201410709613.2A CN201410709613A CN104408882B CN 104408882 B CN104408882 B CN 104408882B CN 201410709613 A CN201410709613 A CN 201410709613A CN 104408882 B CN104408882 B CN 104408882B
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- China
- Prior art keywords
- well lid
- biogas
- seat ring
- detecting system
- hole
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Pathology (AREA)
- Emergency Management (AREA)
- Sampling And Sample Adjustment (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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- Analytical Chemistry (AREA)
Abstract
The invention relates to a methane detecting system based on a combined manhole cover and a detection alarming method. The methane detecting system comprises a manhole cover seat ring, wherein an outer cover for closing the manhole cover seat ring is arranged at the upper part of the manhole cover seat ring; an inner cover is also arranged in the manhole cover seat ring; a trepanning is formed in the inner cover; a waterproof mounting box is embedded in the trepanning; a circuit board is arranged in the waterproof mounting box; an MCU (Micro Controller Unit), a methane detection sensor, a power supply and a communication circuit are arranged in the circuit board; the methane detection sensor is connected with the MCU and is used for detecting the concentration of methane in a well; the power supply is used for providing a power supply for the circuit board; the communication circuit comprises an antenna pedestal which is arranged at the upper part of the waterproof mounting box and is used for fixing an antenna; an opening is formed in a position, opposite to the antenna, of the outer cover, and brings convenience to the communication of the antenna. According to the methane detecting method disclosed by the invention, the concentration of underground methane is acquired by a methane detecting system in a real time, so the construction safety of underground constructors is greatly guaranteed.
Description
Technical field
The present invention relates to a kind of biogas detecting system based on Combined well lid and detection alarm method.
Background technology
Well lid is the closure at the gateway top towards underground installation, every installation running water, telecommunications, electric power, combustion
The place of the public utilities such as air and heat power, fire-fighting, environmental sanitation is required for installing well lid.With developing rapidly of China's economy, China
Infrastructure construction welcomes a new cycle again, and market demand in urban planning and road construction for the well lid is huge.But
Well lid is rolled and breakage happens occasionally, and leads to road and installation security to decline.
Well lid in road is mainly used in the deep-well on defiladed route, according to the difference of each subterranean pipe line, some deep-wells
As waterway pipe, cable tubing or gas pipeline etc., the maintenance being provided with beneficial to pipeline of deep-well, but in some special feelings
Under condition, heavy rain or human factor cause well lid to remove and cause personnel or object to fall in deep-well, or are impacted by deep-well internal pressure
And jack-up, the trip giving people all brings huge potential safety hazard by the appearance of these phenomenons.Simultaneously when well lid is as cable, line
During the pipeline of road, the situation that lawless person steals cable by removing well lid often can be occurred to occur, bring loss to national wealth.
Traditional well lid is single layer structure, easily destroys because being rolled, and does not possess to the biogas concentration being arranged at down-hole
It is acquired function it is impossible to the biogas concentration of real-time monitoring down-hole, once down-hole biogas excessive concentration or too low, and arranged
Put, easily cause the personnel that maintenance work is carried out to down-hole and biogas poisoning occurs or blow-up occurs, and conventional exhaust biogas is equal
For regular discharge, waste time and energy.
Content of the invention
It is an object of the invention to provide a kind of pass through Real-time Collection down-hole biogas concentration, ensure applying of the workmen that goes into the well
The biogas detecting system based on Combined well lid of work safety and detection alarm method.
For achieving the above object, the technical scheme is that a kind of biogas detecting system based on Combined well lid, bag
Include well lid seat ring, described well lid seat top is provided with the enclosing cover for closing well lid seat ring；Also set up in described well lid seat ring
There is inner cap, described interior covering offers perforate, described perforate is embedded with waterproof mounting box, is provided with electricity in described waterproof mounting box
Road plate, described circuit board be provided with mcu and the biogas detection sensor for detecting biogas concentration in well being connected with this mcu,
There is provided power supply and the telecommunication circuit of power supply for circuit board, described telecommunication circuit includes being arranged at described waterproof mounting box top
The antenna pedestal for fixed antenna, described enclosing cover and antenna relative position are provided with opening, in order to the communication of antenna.
In embodiments of the present invention, described outer covering is additionally provided with electronic tag.
In embodiments of the present invention, described biogas detection sensor adopts mh-440v/d infrared gas sensor.
In embodiments of the present invention, portion is provided with the horizontal connecting shaft being hinged with well lid seat ring described enclosing cover week, described
Horizontal connecting shaft is installed on the corresponding bearing pin in the hole of well lid seat ring inner sidewall upper portion, and the inner sidewall upper portion of described well lid seat ring is also
It is provided with the terrace for supporting enclosing cover lower surface, being provided with section in described terrace is in swallow-tailed rubber groove；Well lid seat ring
Madial wall be circumferentially laid with least two l type grooves, described inner cap week, portion was correspondingly arranged on and l type fit depressions positioning
Projection, described l type bottom portion of groove have with allow projection sink sagging recess.
In embodiments of the present invention, the upper flange of described well lid seat ring is laid with least two for lifting by crane well lid
Lifting hole(eyelet), the described outer side covering away from horizontal connecting shaft is additionally provided with covered hole, and described upper flange is near the one of covered hole
Side is additionally provided with sled mouth.
In embodiments of the present invention, on the downside of described enclosing cover, week portion interval is laid with three horizontal c type spring arms, described horizontal
The medial extremity of c type spring arm is fixedly connected with enclosing cover, its outboard end arranges wedge shaped projection, on the madial wall of described well lid seat ring
It is correspondingly arranged on the recess with wedge shaped projection cooperation positioning.
Present invention also offers a kind of biogas using the biogas detecting system based on Combined well lid as described above
Detection alarm method, comprises the steps,
Step s1: collection is installed on the well lid id numbering on well lid electronic tag everywhere, so that it is determined that each well lid position
Information, and it is uploaded to well lid monitoring server, well lid distribution map is formed on the map software on well lid monitoring server；
Step s2: well lid monitoring server carries out biogas test initialization parameter configuration according to well lid positional information, and will
Configuration information sends to mcu, to configure each well lid biogas detection time interval；
Step s3: by biogas concentration under biogas detection sensor production wells, and by mcu, down-hole biogas concentration is uploaded
To well lid monitoring server；
Step s4: down-hole biogas concentration is compared by well lid monitoring server with setting biogas concentration threshold, if exceeding
Or less than setting biogas concentration threshold, then report to the police and notify administrative staff；
Step s5: down-hole biogas concentration and well lid distributing position that administrative staff detect according to each well lid, notify corresponding
Staff is processed, and after the completion of staff is processed, is confirmed by mobile terminal, if now, biogas detection sensor passes
The down-hole biogas concentration returned is setting in the range of biogas concentration threshold, then confirmation processes and completes, and releases warning；Otherwise, notify
Staff processes and does not complete, and need to process further.
Compared to prior art, the method have the advantages that
1st, this apparatus structure is simple, and circuit function is easily achieved, and because biogas detection means is arranged at inner cap, greatly
Protect the safe and antitheft of biogas detection means；
2nd, this biogas detection means can Real-time Collection down-hole biogas concentration, when biogas concentration abnormality, notify work people
Member carries out firedamp drainage so that staff goes to discharge biogas without timing, decreases manpower.
Brief description
Fig. 1 is present configuration schematic diagram
Fig. 2 is top view of the present invention.
Fig. 3 is the a-a view of Fig. 2.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 is the top view of inner cap.
Fig. 6 is circuit theory diagrams of the present invention.
Fig. 7 is the inventive method flow chart.
In figure: 1- well lid seat ring 10- upper flange 11- pin shaft hole 12- terrace 121- rubber groove 13-l type groove
14- recess 15- lifting hole(eyelet) 16- prizes mouth 17- rubber blanket 2- enclosing cover 21- horizontal connecting shaft 22- spring arm 221- wedge shaped projection
23- covered hole 24- opening 3- inner cap 31- projection 4- waterproof mounting box 41- antenna pedestal 42- antenna 5- electronic tag.
Specific embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
As shown in figures 1 to 6, a kind of biogas detection means based on Combined well lid of the present invention, including well lid seat ring 1, institute
State well lid seat ring 1 top and be provided with the enclosing cover 2 for closing well lid seat ring 1；It is additionally provided with inner cap 3, institute in described well lid seat ring 1
State and offer perforate on inner cap 3, described perforate is embedded with waterproof mounting box 4, is provided with circuit board in described waterproof mounting box 4,
Described circuit board is provided with mcu and the biogas detection sensor for detecting biogas concentration in well being connected with this mcu, is circuit
Plate provides power supply and the telecommunication circuit of power supply, and described telecommunication circuit includes being arranged at the use on described waterproof mounting box 4 top
In the antenna pedestal 41 of fixed antenna 42, described enclosing cover 2 is provided with opening 24 with antenna 42 relative position, logical in order to antenna 42
Letter.
As shown in Figure 1-2, described outer covering is additionally provided with electronic tag 5.
In the present embodiment, described biogas detection sensor adopts mh-440v/d infrared gas sensor.
As shown in figure 1,2 weeks portions of described enclosing cover are provided with the horizontal connecting shaft 21 being hinged with well lid seat ring 1, described horizontal
Connecting shaft 21 is installed in the corresponding pin shaft hole 11 of well lid seat ring 1 inner sidewall upper portion, the inner sidewall upper portion of described well lid seat ring 1
It is additionally provided with the terrace 12 for supporting enclosing cover lower surface, being provided with section in described terrace 12 is in swallow-tailed rubber groove 121,
It is provided with the trapezoidal rubber blanket 17 of the pressure corrosion resistant of noise control in described rubber groove；The madial wall of well lid seat ring 1 is circumferentially laid with least
Two l type grooves 13,3 weeks portions of described inner cap are correspondingly arranged on the projection 31 of the positioning that matches with l type groove 13, and described l type is recessed
Groove 13 bottom has the sagging recess to allow projection 31 to sink.
Described enclosing cover 2 downside week portion interval is laid with three horizontal c type spring arms 22, described horizontal c type spring arm 22
Medial extremity is fixedly connected with enclosing cover 2, its outboard end arranges wedge shaped projection, the madial wall of described well lid seat ring is correspondingly arranged on
Recess 14 with wedge shaped projection 221 cooperation positioning.
As Figure 2-3, the upper flange 10 of described well lid seat ring 1 is laid with least two for lifting by crane hanging of well lid
Hole 15, on described enclosing cover 2, the side away from horizontal connecting shaft 21 is additionally provided with covered hole 23, and described upper flange 10 is near a lid
The side in hole 23 is additionally provided with sled mouth 16.
As shown in fig. 7, present invention also offers a kind of detected using the biogas based on Combined well lid as described above
The biogas detection alarm method of system, comprises the steps,
Step s1: collection is installed on the well lid id numbering on well lid electronic tag everywhere, so that it is determined that each well lid position
Information, and it is uploaded to well lid monitoring server, well lid distribution map is formed on the map software on well lid monitoring server；
Step s2: well lid monitoring server carries out biogas test initialization parameter configuration according to well lid positional information, and will
Configuration information sends to mcu, to configure each well lid biogas detection time interval；
Step s3: by biogas concentration under biogas detection sensor production wells, and by mcu, down-hole biogas concentration is uploaded
To well lid monitoring server；
Step s4: down-hole biogas concentration is compared by well lid monitoring server with setting biogas concentration threshold, if exceeding
Or less than setting biogas concentration threshold, then report to the police and notify administrative staff；
Step s5: down-hole biogas concentration and well lid distributing position that administrative staff detect according to each well lid, notify corresponding
Staff is processed, and after the completion of staff is processed, is confirmed by mobile terminal, if now, biogas detection sensor passes
The down-hole biogas concentration returned is setting in the range of biogas concentration threshold, then confirmation processes and completes, and releases warning；Otherwise, notify
Staff processes and does not complete, and need to process further.
It is more than presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, produced function is made
With without departing from technical solution of the present invention scope when, belong to protection scope of the present invention.
Claims (5)
1. the biogas detection alarm method of a kind of biogas detecting system based on Combined well lid, including well lid seat ring, its feature
It is: described well lid seat top is provided with the enclosing cover for closing well lid seat ring；It is additionally provided with inner cap in described well lid seat ring,
Described interior covering offers perforate, and described perforate is embedded with waterproof mounting box, is provided with circuit board, institute in described waterproof mounting box
State circuit board to be provided with mcu and the biogas detection sensor for detecting biogas concentration in well being connected with this mcu, be circuit board
The power supply of power supply and telecommunication circuit are provided, described telecommunication circuit include being arranged at described waterproof mounting box top for solid
Determine the antenna pedestal of antenna, described enclosing cover and antenna relative position are provided with opening, in order to the communication of antenna；Described outer covering is gone back
It is provided with electronic tag；The biogas detection alarm method of this biogas detecting system, comprises the steps,
Step s1: collection is installed on the well lid id numbering on well lid electronic tag everywhere, so that it is determined that each well lid positional information,
And it is uploaded to well lid monitoring server, well lid distribution map is formed on the map software on well lid monitoring server；
Step s2: well lid monitoring server carries out biogas test initialization parameter configuration according to well lid positional information, and will configure
Information sends to mcu, to configure each well lid biogas detection time interval；
Step s3: by biogas concentration under biogas detection sensor production wells, and down-hole biogas concentration is uploaded to by well by mcu
Lid monitoring server；
Step s4: down-hole biogas concentration is compared by well lid monitoring server with setting biogas concentration threshold, if exceeding or low
In setting biogas concentration threshold, then report to the police and notify administrative staff；
Step s5: down-hole biogas concentration and well lid distributing position that administrative staff detect according to each well lid, notify corresponding work
Personnel are processed, and after the completion of staff is processed, are confirmed by mobile terminal, if now, biogas detection sensor is passed back
Down-hole biogas concentration is setting in the range of biogas concentration threshold, then confirmation processes and completes, and releases warning；Otherwise, notify work
Personnel process and do not complete, and need to process further.
2. the biogas detection alarm method of the biogas detecting system based on Combined well lid according to claim 1, it is special
Levy and be: described biogas detection sensor adopts mh-440v/d infrared gas sensor.
3. the biogas detection alarm method of the biogas detecting system based on Combined well lid according to claim 1, it is special
Levy and be: described enclosing cover week, portion was provided with the horizontal connecting shaft being hinged with well lid seat ring, and described horizontal connecting shaft is installed on well
The corresponding bearing pin in the hole of cage circle inner sidewall upper portion, the inner sidewall upper portion of described well lid seat ring is additionally provided with for supporting enclosing cover
The terrace of lower surface, being provided with section in described terrace is in swallow-tailed rubber groove；The madial wall of well lid seat ring is circumferentially laid
There are at least two l type grooves, described inner cap week, portion was correspondingly arranged on the projection with l type fit depressions positioning, described l type groove
Bottom has the sagging recess to allow projection to sink.
4. the biogas detection alarm method of the biogas detecting system based on Combined well lid according to claim 3, it is special
Levy and be: be laid with least two in the upper flange of described well lid seat ring for lifting by crane the lifting hole(eyelet) of well lid, described outer cover remote
It is additionally provided with covered hole from the side of horizontal connecting shaft, described upper flange is additionally provided with sled mouth near the side of covered hole.
5. the biogas detection alarm method of the biogas detecting system based on Combined well lid according to claim 1, it is special
Levy and be: on the downside of described enclosing cover, week portion interval is laid with three horizontal c type spring arms, the medial extremity of described horizontal c type spring arm
It is fixedly connected with enclosing cover, its outboard end arranges wedge shaped projection, the madial wall of described well lid seat ring is correspondingly arranged on and wedge shape
The recess of projection cooperation positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709613.2A CN104408882B (en) | 2014-12-01 | 2014-12-01 | Methane detecting system based on combined manhole cover and detection alarming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709613.2A CN104408882B (en) | 2014-12-01 | 2014-12-01 | Methane detecting system based on combined manhole cover and detection alarming method |
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| Publication Number | Publication Date |
|---|---|
| CN104408882A CN104408882A (en) | 2015-03-11 |
| CN104408882B true CN104408882B (en) | 2017-01-18 |
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| CN201410709613.2A Expired - Fee Related CN104408882B (en) | 2014-12-01 | 2014-12-01 | Methane detecting system based on combined manhole cover and detection alarming method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105389955A (en) * | 2015-11-28 | 2016-03-09 | 马磊 | Sewer biogas detector of residential district |
| EP3206028A1 (en) * | 2016-02-12 | 2017-08-16 | Jui-Chi Fu | Environmental monitoring pipeline closure and wireless positioning and warning system thereof |
| US10088550B2 (en) * | 2016-02-17 | 2018-10-02 | Honeywell International Inc. | Set a gas detector's location automatically using short range radio |
| CN106277686B (en) * | 2016-08-15 | 2019-03-05 | 湘潭大学 | A kind of safety device that septic tank uses |
| CN106450670A (en) * | 2016-12-19 | 2017-02-22 | 福建三鑫隆信息技术开发股份有限公司 | Antenna mounting and protecting structure on housing washer |
| CN111855908A (en) * | 2020-07-27 | 2020-10-30 | 上海申欣优达环保科技有限公司 | Gas detection device and online monitoring system |
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| CN202904858U (en) * | 2012-10-30 | 2013-04-24 | 深圳市首航通信有限公司 | Methane detection system of manhole cover |
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| CN103938966A (en) * | 2013-01-21 | 2014-07-23 | 保定畅途金属制品有限公司 | Hinge structure for road well tool |
| CN204242356U (en) * | 2014-12-01 | 2015-04-01 | 福建三鑫隆新材料技术开发股份有限公司 | Based on the biogas pick-up unit of Combined well lid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102436240B (en) * | 2011-11-08 | 2013-10-30 | 山东省科学院自动化研究所 | Digitized information system and method for remotely and comprehensively monitoring urban inspection wells |
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| JPH10338942A (en) * | 1997-06-06 | 1998-12-22 | Hinode Suido Kiki Kk | Heat-insulation device for cove of underground structure |
| CN2853908Y (en) * | 2005-09-30 | 2007-01-03 | 保定恒沣铸造有限公司 | Anti-theft manhole cover with spring |
| KR101199647B1 (en) * | 2010-01-20 | 2012-11-08 | 미강건철주식회사 | manhole |
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| CN104408882A (en) | 2015-03-11 |
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