CN107764969A - A kind of gas indicator with auto-alarm function - Google Patents
A kind of gas indicator with auto-alarm function Download PDFInfo
- Publication number
- CN107764969A CN107764969A CN201710958351.7A CN201710958351A CN107764969A CN 107764969 A CN107764969 A CN 107764969A CN 201710958351 A CN201710958351 A CN 201710958351A CN 107764969 A CN107764969 A CN 107764969A
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- Prior art keywords
- gas
- methane
- gas indicator
- input
- electrically connected
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000002045 lasting effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 51
- 238000000034 method Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of gas indicator with auto-alarm function.It is related to gas field.Including gas indicator body, the bottom of the gas monitor device body is provided through air inlet pipe, magnetic valve is provided with the air inlet pipe, and the side of gas indicator body is provided through conduit, and connected between air inlet pipe and conduit by gas indicator body.The present invention is by setting methane transducer, it can be contrasted when methane transducer detects methane by comparator, whether exceeded contrast methane concentration, if methane is exceeded, then CPU can open buzzer, user's gas is reminded to leak, while timer carries out timing, after the regular hour is reached, CPU closes magnetic valve by node one, if methane is lasting exceeded, then CPU is contacted by node two and Ethernet switch with fire fighting monitoring platform, and very first time contact fire fighter excludes potential safety hazard.
Description
Technical field
The present invention relates to gas technical field, specially a kind of gas indicator with auto-alarm function.
Background technology
Gas is initial stage of the archaeophyte in accumulation coal-forming, and the action breaks of cellulose and organic matter through anaerobic bacteria form.
High temperature, high pressure environment in, while coal-forming, due to physics and chemical action, continue to generate gas.Gas be it is colourless,
Tasteless gas, but the fragrance of similar apple can be smelt sometimes, this is due to aromatic hydrocarbon gas with gas while gushed
The reason gone out.Gas is 0.554 to the relative density of air, and the density of gas is 0.716kg/m in normal conditions3, gas
Penetrating power be 1.6 times of air, be insoluble in water, it is not combustion-supporting to maintain to breathe, when reaching finite concentration, can make one because
Anoxic and suffocate, and can occur burn or explode.Gas is with existing for free state and sorption state in coal body or country rock.
In daily life, gas explosion is always to perplex people's great difficult problem, and the accident to create greater casualties has hair repeatly
It is raw, huge loss is caused, detection alarm is usually carried out using gas fuel gas alarm in daily life, when there is gas leakage
When, alarm will send alarm and be alarmed, but existing alarm, only possess warning function mostly, if user does not have
Have hear or family in nobody when, then very serious explosion accident still can occur.
The content of the invention
It is an object of the invention to provide a kind of gas indicator with auto-alarm function, possess the excellent of automatic alarm
Point, solve the existing alarm mentioned in background technology, only possess warning function mostly, if user do not hear or
In family nobody when, then the problem of very serious explosion accident still can occur.
To achieve the above object, the present invention provides following technical scheme：A kind of gas management with auto-alarm function
Device, including gas indicator body, the bottom of the gas monitor device body are provided through air inlet pipe, set in the air inlet pipe
Magnetic valve is equipped with, and the side of gas indicator body is provided through conduit, and examined between air inlet pipe and conduit by gas
Device body is surveyed to be connected.
The outer surface of the gas indicator body is inlaid with methane transducer, the output end of the methane transducer with than
Input compared with device is electrically connected with, and the output end of the comparator and CPU input are electrically connected with, the input of the CPU
Timer is also electrically connected with, the output end of the CPU and the input of buzzer are electrically connected with, and CPU output end is also electric
Property is connected with control module, and the control module includes control node one and control node two, the output of the control node one
End and the input of magnetic valve are electrically connected with, and control node two passes through Ethernet switch and the input of fire fighting monitoring platform
It is electrically connected with, the input of the CPU is connected by signal transceiver with GPS positioning system signal.
Preferably, the input of the output end of the CPU and display screen is electrically connected with, and the display screen is arranged on gas inspection
Survey the front of device body.
Preferably, the buzzer is arranged on the front of gas indicator body and positioned at the surface of display screen.
Preferably, the model MQ4MQ-4 of the methane transducer, and methane transducer is arranged on gas indicator body
Surface.
Preferably, electricity is carried out by D/A converter between the output end of the methane transducer and the input of comparator
Property connection.
Preferably, the side of the gas indicator body is provided with controlling switch, the output end of the controlling switch with
The input of magnetic valve is electrically connected with.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention can be carried out pair by setting methane transducer when methane transducer detects methane by comparator
Than contrasting whether methane concentration is exceeded, if methane is exceeded, then CPU can open buzzer, reminding user's gas to let out
Leakage, while timer carries out timing, after the regular hour is reached, CPU closes magnetic valve by node one, if methane
Lasting exceeded, then CPU is contacted by node two and Ethernet switch with fire fighting monitoring platform, very first time contact fire-fighting
Personnel exclude potential safety hazard.
2nd, the present invention is positioned by setting signal transceiver and GPS positioning system to the gas indicator body, from
And make the particular location that gas leakage can be accurately positioned after being contacted with fire fighting monitoring platform, allow fire fighter first
Time rushes to, so as to discharge the potential safety hazard of gas leakage within the shortest time.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present system schematic diagram.
In figure：1 gas indicator body, 2 air inlet pipe, 3 magnetic valves, 4 conduits, 5 methane transducers, 6 comparators, 7CPU, 8
Timer, 9 buzzers, 10 control modules, 11 control nodes one, 12 control nodes two, 13 Ethernet switches, 14 fire fighting monitorings
Platform, 15 signal transceivers, 16GPS alignment systems, 17 display screens, 18 controlling switches.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, a kind of gas indicator with auto-alarm function, including gas indicator body 1, gas prison
The bottom for surveying device body is provided through air inlet pipe 2, and magnetic valve 3, and the side of gas indicator body are provided with air inlet pipe 2
Conduit 4 is provided through, and is connected between air inlet pipe 2 and conduit 4 by gas indicator body 1, gas indicator sheet
The side of body 1 is provided with controlling switch 18, and the output end of controlling switch 18 is electrically connected with the input of magnetic valve 3, daily
In life, user directly can be opened and closed by controlling switch 18 to magnetic valve 3.
The outer surface of gas indicator body 1 is inlaid with methane transducer 5, and most important composition is methane in gas,
If the methane concentration that methane transducer 5 detects is too high, then it represents that have occurred and that gas reveals accident, methane transducer 5
Model MQ4MQ-4, and methane transducer 5 is arranged on the surface of gas indicator body 1, the output of methane transducer 5
End is electrically connected with the input of comparator 6, and comparator 6 be LM393 twin voltages comparator 6, the output end of methane transducer 5 and
Be electrically connected between the input of comparator 6 by D/A converter, D/A converter TLC5615CP, comparator 6 it is defeated
Go out end and CPU7 input is electrically connected with, CPU7 input is also electrically connected with the type of timer 8, CPU7 and timer 8
Number it is respectively that FX-8300 and JM-DSQ, CPU7 output end are electrically connected with the input of buzzer 9, and CPU7 output end
Control module 10 is also electrically connected with, control module 10 includes control node 1 and control node 2 12, control node 1
The input of output end and magnetic valve 3 be electrically connected with, and control node 2 12 passes through Ethernet switch 13 and fire fighting monitoring
The input of platform 14 is electrically connected with, and CPU7 input is connected by signal transceiver 15 with the signal of GPS positioning system 16,
CPU7 output end is electrically connected with the input of display screen 17, and the exceeded content of methane can be shown by display screen 17,
Display screen 17 is arranged on the front of gas indicator body 1, and buzzer 9 is arranged on the front of gas indicator body 1 and position
In the surface of display screen 17.
If in use, there is the situation of gas leakage, then methane transducer 5 can detect the number of Methane in Air content
According to, and data are converted into electric signal by D/A converter and pass to comparator 6, comparator 6 is compared, when methane contains
Then comparator 6 is notified that CPU7 when measuring exceeded, CPU7 is started buzzer 9 and is alarmed, reminds user gas leakage occur
Situation, while timer 8 is carried out in time, after the timing for a period of time of timer 8, if still there are the exceeded feelings of methane
Condition, then CPU7 judges that user stays out, or user does not have audible alarm, then CPU7 closes electricity automatically by control node 1
Magnet valve 3, methane is set not entered by methane detector body in conduit 4, so as to prevent the leakage of methane, while timer
8 continue timing, and after the timing for a period of time of timer 8, if methane is still lasting exceeded, then CPU7 passes through control node
2 12 and Ethernet switch 13 contacted with fire fighting monitoring platform 14, and by GPS positioning system 16 and signal transceiver
The position of 15 positioning joined together is sent to fire fighting monitoring platform 14, it is arranged nearest fire-fighting center to there is gas leakage
Place carries out fire-fighting processing.
In summary：The present invention can pass through ratio by setting methane transducer 5 when methane transducer 5 detects methane
Contrasted compared with device 6, contrast whether methane concentration is exceeded, if methane is exceeded, then CPU7 can open buzzer 9, reminded
User's gas is leaked, while timer 8 carries out timing, after the regular hour is reached, CPU7 is closed by node one
Magnetic valve 3 is closed, if methane is lasting exceeded, then CPU7 is entered by node two and Ethernet switch 13 with fire fighting monitoring platform 14
Row contact, very first time contact fire fighter exclude potential safety hazard.
The present invention is positioned by setting signal transceiver 15 and GPS positioning system 16 to the gas indicator body 1,
So that can accurately position the particular location of gas leakage after being contacted with fire fighting monitoring platform 14, fire fighter is set to exist
The very first time rushes to, so as to discharge the potential safety hazard of gas leakage within the shortest time.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of gas indicator with auto-alarm function, including gas indicator body (1), it is characterised in that：It is described
The bottom of gas monitor device body (1) is provided through air inlet pipe (2), and magnetic valve (3) is provided with the air inlet pipe (2), and
The side of gas indicator body (1) is provided through conduit (4), and passes through gas management between air inlet pipe (2) and conduit (4)
Device body (1) is connected；
The outer surface of the gas indicator body (1) is inlaid with methane transducer (5), the output of the methane transducer (5)
End and the input of comparator (6) are electrically connected with, and the output end of the comparator (6) is electrically connected with CPU (7) input,
The input of the CPU (7) is also electrically connected with timer (8), the output end of the CPU (7) and the input of buzzer (9)
It is electrically connected with, and CPU (7) output end is also electrically connected with control module (10), the control module (10) includes control and saved
One (11) of point and control node two (12), the output end and the input of magnetic valve (3) of the control node one (11) electrically connect
Connect, and control node two (12) is electrically connected with by the input of Ethernet switch (13) and fire fighting monitoring platform (14), institute
The input for stating CPU (7) is connected by signal transceiver (15) with GPS positioning system (16) signal.
A kind of 2. gas indicator with auto-alarm function according to claim 1, it is characterised in that：The CPU
(7) output end and the input of display screen (17) are electrically connected with, and the display screen (17) is arranged on gas indicator body (1)
Front.
A kind of 3. gas indicator with auto-alarm function according to claim 1, it is characterised in that：The buzzing
Device (9) is arranged on the front of gas indicator body (1) and positioned at the surface of display screen (17).
A kind of 4. gas indicator with auto-alarm function according to claim 1, it is characterised in that：The methane
The model MQ4MQ-4 of sensor (5), and methane transducer (5) is arranged on the surface of gas indicator body (1).
A kind of 5. gas indicator with auto-alarm function according to claim 1, it is characterised in that：The methane
It is electrically connected between the output end of sensor (5) and the input of comparator (6) by D/A converter.
A kind of 6. gas indicator with auto-alarm function according to claim 1, it is characterised in that：The gas
The side of detector body (1) is provided with controlling switch (18), and the output end of the controlling switch (18) is defeated with magnetic valve (3)
Enter end to be electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958351.7A CN107764969A (en) | 2017-10-16 | 2017-10-16 | A kind of gas indicator with auto-alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958351.7A CN107764969A (en) | 2017-10-16 | 2017-10-16 | A kind of gas indicator with auto-alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107764969A true CN107764969A (en) | 2018-03-06 |
Family
ID=61268840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710958351.7A Pending CN107764969A (en) | 2017-10-16 | 2017-10-16 | A kind of gas indicator with auto-alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779966A (en) * | 2019-11-26 | 2020-02-11 | 华北电力科学研究院有限责任公司 | Light gas alarm characteristic gas detection method and device |
| CN111927526A (en) * | 2020-08-12 | 2020-11-13 | 韩若愚 | Intelligent coal mine underground gas extraction device |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779966A (en) * | 2019-11-26 | 2020-02-11 | 华北电力科学研究院有限责任公司 | Light gas alarm characteristic gas detection method and device |
| CN111927526A (en) * | 2020-08-12 | 2020-11-13 | 韩若愚 | Intelligent coal mine underground gas extraction device |
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Application publication date: 20180306 |