CN207096040U - A kind of coal-mine fire smoke detection system - Google Patents
A kind of coal-mine fire smoke detection system Download PDFInfo
- Publication number
- CN207096040U CN207096040U CN201721025365.5U CN201721025365U CN207096040U CN 207096040 U CN207096040 U CN 207096040U CN 201721025365 U CN201721025365 U CN 201721025365U CN 207096040 U CN207096040 U CN 207096040U
- Authority
- CN
- China
- Prior art keywords
- micro
- chip microcomputer
- gas pressure
- cavity laser
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
Technical field of mine safety is the utility model is related to, in particular a kind of coal-mine fire smoke detection system, including portable gas sampler, flexible filter, micro-cavity laser, singlechip control panel and pollution monitoring circuit.The utility model can be to effectively being arranged under mine, active probe is carried out to fire early stage flue gas, and there are fire alarm reporting functions, the reporting functions of reporting functions and malfunction monitoring under the online and offline state of overall detector, wherein, pollution monitoring circuit can be monitored in real time to the contaminated filter effect of flexible filter, greatly reduce the influence that air pollution under mine is serious and is monitored containing a large amount of dusts to smokescope, the filtering situation to flexible filter reports simultaneously, then more precisely smokescope can be monitored by micro-cavity laser, report and handle in real time.
Description
Technical field
Technical field of mine safety is the utility model is related to, specially a kind of coal-mine fire smoke detection system.
Background technology
With the progress of social economy and the development of science and technology, people also increasingly pay attention to safety of coal mines.Under mine
Fire be one of disaster for threatening people's property and life security, it can cause huge economic loss and serious society
It can influence.In order to effectively monitor the Fires Occurred of underground coal mine, fire monitoring device is generally fitted provided with mine.So
And traditional fire monitoring device is monitored generally directed to flame, and reality fire generating process in, smog often earlier than
Flame and produce.In addition, air pollution under mine it is serious and containing a large amount of dusts, high intensity cross-ventilation and direction it is indefinite with
And narrow space, but traditional smoke detector contaminated rear easily failure, sensitivity is inadequate；If it is possible to cigarette
Mist is monitored, and can carry out the generation of early warning, effectively fire preventing to fire earlier, and then caused by reduction fire
Economic loss and casualties.In consideration of it, it is proposed that.
Utility model content
The purpose of this utility model is to provide a kind of coal-mine fire smoke detection system, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of coal-mine fire smoke detection system, including portable gas sampler, flexible filter, micro-cavity laser,
Singlechip control panel and pollution monitoring circuit, the inlet end of the portable gas sampler and the outlet side of micro-cavity laser
It is connected, the inlet end of the micro-cavity laser is connected with flexible filter, and single-chip microcomputer is provided with the singlechip control panel, and
Single-chip microcomputer is electrically connected with by pollution monitoring circuit and micro-cavity laser, and the pollution monitoring circuit includes gas pressure sensor
One and gas pressure sensor two, the gas pressure sensor one and gas pressure sensor two pass through a/d converter electricity
Property is connected to the input of single-chip microcomputer, and gas pressure sensor one is arranged inside micro-cavity laser, gas pressure sensor
Two are arranged at outside micro-cavity laser, and nanometer laser transmitter and photoreceiver are correspondingly arranged on inside the micro-cavity laser,
And photoreceiver is electrically connected at the input of single-chip microcomputer.
Preferably, it is additionally provided with letter between the gas pressure sensor one and gas pressure sensor two and a/d converter
Cease modulate circuit.
Preferably, the single-chip microcomputer is provided with RS232 communication interfaces.
Preferably, the single-chip microcomputer is externally connected with audible-visual annunciator and automatic vehicle-mounted fire extinguisher.
Preferably, the audible-visual annunciator is provided with two, and is connected to the output end of single-chip microcomputer.
Compared with prior art, the beneficial effects of the utility model are：
1st, in the utility model, 1-3um dust granule, pollution monitoring electricity can be filtered by the flexible filter of setting
Road monitors the soiling value of flexible filter by the inner and outer air pressure difference of micro-cavity laser, so as to realize the prison to flexible filter
Survey, wherein, micro-cavity laser is monitored using laser to smog, and recognition effect is good, and it is dense can more accurately to detect smog
Degree.
2nd, the utility model can carry out active probe to fire early stage flue gas to effectively being arranged under mine, and
And with fire alarm reporting functions, overall detector online and offline state under reporting functions and malfunction monitoring it is upper
Report achievement can, wherein, pollution monitoring circuit can be monitored in real time to the contaminated filter effect of flexible filter, be greatly reduced
Air pollution is serious under mine and contains the influence that a large amount of dusts monitor to smokescope, while the filtering feelings to flexible filter
Condition is reported, and then more precisely smokescope can be monitored by micro-cavity laser, reported and handled in real time.
Brief description of the drawings
Fig. 1 is the utility model structure connection diagram；
Fig. 2 is single-chip microcomputer of the present utility model and micro-cavity laser, pollution monitoring circuit connection diagram；
Fig. 3 is single-chip microcomputer pin connection diagram in the utility model preferred embodiment.
In figure：1- portable gas sampler, 2- flexible filters, 3- micro-cavity lasers, 31- nanometer lasers transmitter,
32- photoreceivers, 4- singlechip control panels, 5- single-chip microcomputers, 51- audible-visual annunciators, 52- automatic vehicle-mounted fire extinguishers, 6- pollution prisons
Slowdown monitoring circuit, 61- gas pressure sensors one, the 63-AD converters of 62- gas pressure sensors two, 64- information modulate circuit, 31-
Nanometer laser transmitter, 32- photoreceivers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：
A kind of coal-mine fire smoke detection system, including portable gas sampler 1, flexible filter 2, micro-cavity laser
3rd, singlechip control panel 4 and pollution monitoring circuit 6, the inlet end of portable gas sampler 1 and the outlet of micro-cavity laser 3
End is connected, and portable gas sampler 1 is evacuated, and aerosol gases are drawn into out of powerhouse by flexible filter 2
In micro-cavity laser 3, single-chip microcomputer 5 is provided with singlechip control panel 4, and single-chip microcomputer 5 is swashed by pollution monitoring circuit 6 with microcavity
Light device 3 is electrically connected with, and single-chip microcomputer 5 selects simple Mobyneb 80C51 single-chip microcomputers, the good program of typing in advance, then makes monolithic
Machine 5 is electrically connected on pollution monitoring circuit 6 and micro-cavity laser 3, to pollution monitoring circuit 6 and micro-cavity laser 3
Data are acquired processing, are then realized and extraneous UNICOM by single-chip microcomputer 5 so that overall detector assembly has prison in real time
The effect that control and monitoring report.
Portable gas sampler 1 is used for gas or smog interior under mine being pumped into micro-cavity laser 3, the present apparatus
Only need to use minipump to be unidirectionally evacuated, VAA series, PK series and PC series can be selected, can be very good
Into air extracting function, and during the use of portable gas sampler 1, the small volume of 0.3W low-power consumption, noise are low, and inspiratory capacity is only
It is easy to use and effective for 0.70CFM, it can be very good to extract aerosol gases to micro-cavity laser 3.
Flexible filter 2 is arranged on the inlet end of micro-cavity laser 3, in the pumping process of portable gas sampler 1, ore deposit
The gas of underground is filtered, in aerosol gases by flexible filter 2 first before being monitored into micro-cavity laser 3
Dust gas filtered out by flexible filter 2, then enter back into micro-cavity laser 3 and be monitored, and elasticity filtering
Device 2 can filter two microns of dust granules, and the flowing static pressure difference of air is 2.4mmAQ, when flexible filter 2 completes multiple mistake
After filter, directly more preferable filter effect can be realized by changing the filter screen of flexible filter 2.
Micro-cavity laser 3 can realize that the TDLAS technologies of use, it is substantially by using laser gas analyzer
It is a kind of spectral absorption technology, the concentration of gas is obtained by analyzing laser by the selective absorbing of gas, in microcavity laser
Nanometer laser transmitter 31 and photoreceiver 32, nanometer laser transmitter 31 and the shape of photoreceiver 32 are correspondingly arranged on inside device 3
Into a laser radar system, nanometer laser transmitter 31 launches laser, and the aerosol gases inside micro-cavity laser 3 are to laser
Absorbed, then photoreceiver 32 carries out data receiver processing to the laser after absorption, and photoreceiver 32 is also electrically connected at
The input of single-chip microcomputer 5, after photoreceiver 32 receives data, by the connection with the input and output pin of single-chip microcomputer 5, realize cigarette
Carry out reporting processing in real-time data transmission to the single-chip microcomputer 5 obtained after the detection of fog bulk concentration.
Pollution monitoring circuit 6 includes gas pressure sensor 1 and gas pressure sensor 2 62, and gas pressure passes
Sensor 1 and gas pressure sensor 2 52 are electrically connected at the input of single-chip microcomputer 5, gas pressure by a/d converter 63
Information modulate circuit 64 is additionally provided between force snesor 1 and gas pressure sensor 2 62 and a/d converter 63, due to gas
The signal of pressure sensor 1 and gas pressure sensor 2 62 can not be converted directly into numerical data, therefore, convert
For that must be nursed one's health before data signal, conditioning is exactly to amplify, and buffers or calibrate analog signal etc. so as to fit in AD conversion
The input of device 63, a/d converter 63 are electrically connected at the input of single-chip microcomputer 5, and then, a/d converter 63 enters line number to analog signal
Word, and send data signal in single-chip microcomputer 5, for use in the data processing of system.
Gas pressure sensor 1 is arranged inside micro-cavity laser 3, and gas pressure sensor 2 62 is arranged at microcavity
Outside laser 3, micro-cavity laser 3 is separately positioned on by gas pressure sensor 1 and gas pressure sensor 2 62
Inside and outside, the data that are then obtained gas pressure sensor 1 and gas pressure sensor 2 62 by a/d converter 63
Transmit to single-chip microcomputer 5, and then the soiling value of flexible filter 2 is monitored by the inner and outer air pressure difference of micro-cavity laser 3, so as to
Monitor the filtration of flexible filter 2.
Nanometer laser transmitter 31 and photoreceiver 32, and the electricity of photoreceiver 32 are correspondingly arranged on inside micro-cavity laser 3
Property is connected to the input of single-chip microcomputer 5, and single-chip microcomputer 5 is provided with RS232 communication interfaces so that overall detection device can be more preferable
In under mine, single unit system communication connection is got up by single-chip microcomputer 5, single-chip microcomputer 5 is externally connected with audible-visual annunciator 51
With automatic vehicle-mounted fire extinguisher 52 so that single-chip microcomputer 5, can after the aerosol gases concentration data in micro-cavity laser 3 is received
After data transfer to single-chip microcomputer 5, to control audible-visual annunciator 51 to be alarmed in real time by the program of single-chip microcomputer 5, and
Automatic vehicle-mounted fire extinguisher 52 carries out fire-fighting work automatically, at the right time effectively.
Audible-visual annunciator 51 is provided with two, and is connected to the output end of single-chip microcomputer 5, when single-chip microcomputer 5 receives gas
When pressure sensor 1 and the data of gas pressure sensor 2 62, alarm one send a kind of unique alarm sound and
Illumination；When single-chip microcomputer 5 receives the data of photoreceiver 32, alarm two sends the alarm sound and light of another uniqueness
According to；The setting of two audible-visual annunciators 51 so that after single-chip microcomputer 5 receives data, staff can be according to alarm sound and light
According to judge that smokescope is exceeded or the filtration of flexible filter 2 variation needs to change filter screen so that prison in real time
Control smokescope and filtering situation easily facilitate the understanding and operation of staff.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of coal-mine fire smoke detection system, including portable gas sampler（1）, flexible filter（2）, microcavity laser
Device（3）, singlechip control panel（4）And pollution monitoring circuit（6）, it is characterised in that：The portable gas sampler（1）'s
Inlet end and micro-cavity laser（3）Outlet side be connected, the micro-cavity laser（3）Inlet end and flexible filter（2）Phase
Even, the singlechip control panel（4）On be provided with single-chip microcomputer（5）, and single-chip microcomputer（5）Pass through pollution monitoring circuit（6）With microcavity
Laser（3）It is electrically connected with, the pollution monitoring circuit（6）Including gas pressure sensor one（61）And gas pressure sensing
Device two（62）, the gas pressure sensor one（61）With gas pressure sensor two（62）Pass through a/d converter（63）Electrically
It is connected to single-chip microcomputer（5）Input, and gas pressure sensor one（61）It is arranged at micro-cavity laser（3）Inside, gas pressure
Force snesor two（62）It is arranged at micro-cavity laser（3）Outside, the micro-cavity laser（3）Inside is correspondingly arranged on nanometer laser
Transmitter（31）And photoreceiver（32）, and photoreceiver（32）It is electrically connected at single-chip microcomputer（5）Input.
A kind of 2. coal-mine fire smoke detection system according to claim 1, it is characterised in that：The gas pressure sensing
Device one（61）With gas pressure sensor two（62）With a/d converter（63）Between be additionally provided with information modulate circuit（64）.
A kind of 3. coal-mine fire smoke detection system according to claim 1, it is characterised in that：The single-chip microcomputer（5）On
Provided with RS232 communication interfaces.
A kind of 4. coal-mine fire smoke detection system according to claim 1, it is characterised in that：The single-chip microcomputer（5）Outside
It is connected with audible-visual annunciator（51）And automatic vehicle-mounted fire extinguisher（52）.
A kind of 5. coal-mine fire smoke detection system according to claim 4, it is characterised in that：The audible-visual annunciator
（51）Two are provided with, and is connected to single-chip microcomputer（5）Output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025365.5U CN207096040U (en) | 2017-08-16 | 2017-08-16 | A kind of coal-mine fire smoke detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025365.5U CN207096040U (en) | 2017-08-16 | 2017-08-16 | A kind of coal-mine fire smoke detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096040U true CN207096040U (en) | 2018-03-13 |
Family
ID=61541764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721025365.5U Expired - Fee Related CN207096040U (en) | 2017-08-16 | 2017-08-16 | A kind of coal-mine fire smoke detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207096040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912755A (en) * | 2020-08-07 | 2020-11-10 | 山东中煤工矿物资集团有限公司 | Mining dust concentration sensor, sensor system and method |
-
2017
- 2017-08-16 CN CN201721025365.5U patent/CN207096040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912755A (en) * | 2020-08-07 | 2020-11-10 | 山东中煤工矿物资集团有限公司 | Mining dust concentration sensor, sensor system and method |
| CN111912755B (en) * | 2020-08-07 | 2021-08-10 | 山东中煤工矿物资集团有限公司 | Mining dust concentration sensor, sensor system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201654940U (en) | Aspiration gas detecting system | |
| CN102287223B (en) | Integrated life security device of refuge chamber or life-saving compartment based on PID (proportion-integration-differentiation)) integrated control | |
| CN103646490B (en) | A kind of air suction type aircraft hold fire detecting arrangement based on complex probe technology | |
| CN204855494U (en) | Many gas strengths of boats and ships monitoring system based on zigBee wireless network | |
| CN205550696U (en) | Spray booth environmental protection operation monitoring system | |
| CN207395109U (en) | A kind of room air monitoring and cleaning system | |
| CN102213604A (en) | Indoor environment real-time monitor and sensing transmission system thereof | |
| CN203759818U (en) | Fire detection device for cargo bay of air-breathing airplane based on combined detection technology | |
| CN205785319U (en) | A kind of mine gas detector | |
| CN207096040U (en) | A kind of coal-mine fire smoke detection system | |
| CN202615543U (en) | Fire alarm capable of far infrared detection for human body position | |
| CN205942988U (en) | Formula of breathing in smoke fire detector | |
| CN208705227U (en) | A kind of underground coal mine infrared-gas device for monitoring and analyzing | |
| CN110613912A (en) | Small-space fire very early detection and nondestructive fire extinguishing device and method | |
| CN208888992U (en) | A kind of gas detection alarm device based on wireless cloud | |
| CN105136997B (en) | GYH25 oxygen sensor for mine | |
| CN201917998U (en) | Stand-alone anti-explosion alarm for inflammable gas | |
| CN212483262U (en) | Active environmental safety monitoring and early warning device | |
| CN205121247U (en) | Gaseous remote monitoring system of hazardous articles explosion based on thing networking | |
| CN206726404U (en) | One kind is used for special smoke detector between train dynamic | |
| CN207409088U (en) | A kind of vehicle-mounted fire-fighting detection alarm device of railway locomotive based on Internet of Things | |
| CN205920105U (en) | Underground gas examines to apply to install and puts | |
| CN108905032A (en) | A kind of building intelligent fire-fighting system | |
| CN104751590A (en) | Single-chip microcomputer based smoke alarm and alarm method thereof | |
| CN202916950U (en) | Open-area air-breathing smoke-sensing fire detection alarming system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |