CN107989653A - It is a kind of to detect height-adjustable high precision gas concentration detector - Google Patents
It is a kind of to detect height-adjustable high precision gas concentration detector Download PDFInfo
- Publication number
- CN107989653A CN107989653A CN201711444285.8A CN201711444285A CN107989653A CN 107989653 A CN107989653 A CN 107989653A CN 201711444285 A CN201711444285 A CN 201711444285A CN 107989653 A CN107989653 A CN 107989653A
- Authority
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- China
- Prior art keywords
- power supply
- high precision
- height
- gas concentration
- concentration detector
- 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.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract description 11
- 239000003245 coal Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 238000010790 dilution Methods 0.000 abstract description 2
- 239000012895 dilution Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Health & Medical Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Height-adjustable high precision gas concentration detector is detected the invention discloses a kind of, including air flow passage, impermeable film, ring-type thermistor, housing, flow diverter, flexible position, detachable air dry-set, telescopic rod, firedamp sensor, power supply indicator, work light, alarm sound, display screen are provided with the housing.Beneficial effect is：The present invention effectively can be monitored the gas density of underground coal mine, personnel in the pit makes corresponding processing according to warning message, effectively raise the safety coefficient of personnel in the pit, can change collapsing length at flexible position realizes telemeasurement gas density to achieve the purpose that to detect tunnel arbitrary height gas density, the inaccuracy of the measurement result caused by dilution is avoided, detachable air dry-set effectively removes the moisture in methane gas to be measured.Design is reasonable, easy to operate, is with a wide range of applications.
Description
Technical field
It is dense more particularly to a kind of height-adjustable high precision gas of detection the present invention relates to electric detective technology field
Spend detector.
Background technology
In Coal Mine Disasters, gas accident death toll accounts for the 30%~40% of total death toll.Particularly bottle coal
Dust explosion accident, harm are even more serious.Therefore, to reduce loss, improve work efficiency, prevention gas accident is safety of coal mines work
The emphasis of work, in order to ensure the production safety of mine, the country has developed many types of gas detector, but traditional watt
This detector is all in the prevalence of the shortcomings that volume is larger, installation is complicated.In addition, gas monitor traditional at present can not achieve
Long-range detection, at the same the moisture in gas enter instrument after, not only have an impact to measurement result, can also be to instrument internal part
Cause to damage, substantially increase input cost and overhaul of the equipments frequency.
The content of the invention
The purpose of the present invention is that to solve the above-mentioned problems and provides and a kind of detect height-adjustable high-precision watt
This concentration detector.
The present invention is achieved through the following technical solutions above-mentioned purpose：
It is a kind of to detect height-adjustable high precision gas concentration detector, including air flow passage, impermeable film, ring-type heat
Quick resistance, housing, are provided with telescopic rod on the housing, and the telescopic rod includes flow diverter, flexible position, detachable air are done
Dry device, the flow diverter lower section are provided with the flexible position, the detachable air are provided with below the flexible position
Drying device, the telescopic rod lower section are provided with firedamp sensor, power supply instruction are provided with below the firedamp sensor
Lamp and work light, side of the power supply indicator away from the work light are provided with alarm sound, the power supply
Display screen is provided with below indicator light, button is provided with below the display screen, signal amplifier, institute is provided with the housing
Signal amplifier connection A/D modular converters are stated, the A/D modular converters connect microcontroller, and the microcontroller connects reset unit
And watchdog unit, power supply is provided with the housing.
In said structure, before user detects tunnel or face gas concentration, the tunnel detected as needed or
Working face position voluntarily adjusts the length of the telescopic rod, after user adjusts the length of the telescopic rod, opens gas density
The power supply of detector, at this time, tunnel or working face air enter the telescopic rod, the telescopic rod along the flow diverter
In the detachable air dry-set of the air by work preheating carry out water removal and be purified to up to the firedamp sensor, institute
State firedamp sensor and give the gas density signal collected to the signal amplifier and the signal collected is amplified, put
Signal after big is given after the A/D modular converters carry out digital-to-analogue conversion and obtains digital signal, and foregoing digital signals are given described
Microcontroller, the microcontroller judges gas density signal according to initialization program, controls the alarm sound to set out
Make.
In order to further improve the quality of methane Concentration Measurement, the power supply that the power supply provides is+5V, -5V ,+3V.
In order to further improve the quality of methane Concentration Measurement, the power supply and the watchdog unit, the reset are single
First, described display screen, the alarm sound, the button, the microcontroller, the A/D modular converters, the signal amplifier
It is electrically connected with the firedamp sensor.
In order to further improve the quality of methane Concentration Measurement, the microcontroller uses ADC0809 chips.
In order to further improve the quality of methane Concentration Measurement, the watchdog unit uses chip X25045.
In order to further improve the quality of methane Concentration Measurement, the detachable air dry-set includes the air stream
Dynamic passage, the impermeable film, the ring-type thermistor, the ring-type thermistor and the power electric connection, the sky
It is connected through a screw thread between flow of air passage, the impermeable film and the ring-type thermistor.
It is the power supply indicator, the work light, described aobvious in order to further improve the quality of methane Concentration Measurement
Display screen and the button are embedded in the housing upper end.
Beneficial effect is：The present invention effectively can be monitored the gas density of underground coal mine, personnel in the pit's root
Corresponding processing is made according to warning message, effectively raises the safety coefficient of personnel in the pit, can be changed at flexible position
Collapsing length with achieve the purpose that detect tunnel arbitrary height gas density realize telemeasurement gas density, avoid because
Dilution causes the inaccuracy of measurement result, and detachable air dry-set effectively removes the moisture in methane gas to be measured.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for detecting height-adjustable high precision gas concentration detector of the present invention；
Fig. 2 is a kind of system block diagram for detecting height-adjustable high precision gas concentration detector of the present invention；
Fig. 3 is that a kind of detect in height-adjustable high precision gas concentration detector of the present invention is detachably air-dried dress
The schematic diagram put.
The reference numerals are as follows：
1st, flow diverter；2nd, flexible position；3rd, detachable air dry-set；4th, telescopic rod；5th, power supply indicator；6th, work instruction
Lamp；7th, display screen；8th, button；9th, firedamp sensor；10th, alarm sound；11st, air flow passage；12nd, impermeable film；13rd, ring
Shape thermistor；14th, housing；15th, signal amplifier；16th, A/D modular converters；17th, microcontroller；18th, power supply；19th, house dog is single
Member；20th, reset unit.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1-Figure 3, it is a kind of to detect height-adjustable high precision gas concentration detector, including air flow passage
11st, impermeable film 12, ring-type thermistor 13, housing 14, are provided with telescopic rod 4 on housing 14, pass through the length of adjustable telescopic rod 4
Degree realizes the purpose of telemeasurement gas density, and telescopic rod 4 includes flow diverter 1, flexible position 2, is detachably air-dried dress
Put 3, flow diverter 1 act as drainage detection gas, and the lower section of flow diverter 1 is provided with flexible position 2, can be with flexible position 2
Change collapsing length, the flexible lower section of position 2 is provided with detachable air dry-set 3, carries out removing Water warfare, the lower section of telescopic rod 4
Firedamp sensor 9 is provided with, gathers gas density, the lower section of firedamp sensor 9 is provided with power supply indicator 5 and work light 6,
The working status of display device, side of the power supply indicator 5 away from work light 6 are provided with alarm sound 10, send alarm,
The lower section of power supply indicator 5 is provided with display screen 7, shows gas density numerical value, and the lower section of display screen 7 is provided with button 8, in housing 14
Signal amplifier 15 is provided with, the concentration signal collected is amplified, signal amplifier 15 connects A/D modular converters 16,
Signal is converted to numeral, A/D modular converters 16 connect microcontroller 17, control device, and microcontroller 17 connects reset unit 20
With watchdog unit 19, power supply 18 is provided with housing 14, electric energy is provided for device.
In said structure, before user detects tunnel or face gas concentration, the tunnel detected as needed or
The length of working face position voluntarily adjustable telescopic rod 4, after the length of user's adjustable telescopic rod 4, opens methane Concentration Measurement instrument
Power supply 18, at this time, tunnel or working face air enter telescopic rod 4 along flow diverter 1, and the air in telescopic rod 4 passes through work
The detachable air dry-set 3 of preheating carries out water removal and is purified to watt that will be collected up to firedamp sensor 9, firedamp sensor 9
This concentration signal gives signal amplifier 15 and the signal collected is amplified, and amplified signal gives A/D modular converters
Digital signal is obtained after 16 progress digital-to-analogue conversions, foregoing digital signals give microcontroller 17, and microcontroller 17 is according to initialization program
Gas density signal is judged, control alarm sound 10 makes action.
In order to further improve the quality of methane Concentration Measurement, the power supply that power supply 18 provides is+5V, -5V ,+3V, power supply 18
With watchdog unit 19, reset unit 20, display screen 7, alarm sound 10, button 8, microcontroller 17, A/D modular converters 16, letter
Number amplifier 15 and firedamp sensor 9 are electrically connected, and microcontroller 17 uses ADC0809 chips, and watchdog unit 19 uses chip
X25045, detachable air dry-set 3 include air flow passage 11, impermeable film 12, ring-type thermistor 13, ring-type heat
Quick resistance 13 is electrically connected with power supply 18, passes through screw thread between air flow passage 11, impermeable film 12 and ring-type thermistor 13
Connection, power supply indicator 5, work light 6, display screen 7 and button 8 are embedded in 14 upper end of housing.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the original of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (7)
1. a kind of detect height-adjustable high precision gas concentration detector, it is characterised in that：Including air flow passage
(11), impermeable film (12), ring-type thermistor (13), housing (14), are provided with telescopic rod (4), institute on the housing (14)
Stating telescopic rod (4) includes flow diverter (1), flexible position (2), detachable air dry-set (3), flow diverter (1) lower section
The flexible position (2) is provided with, the detachable air dry-set (3) is provided with below the flexible position (2), it is described
Firedamp sensor (9) is provided with below the telescopic rod (4), power supply indicator (5) is provided with below the firedamp sensor (9)
With work light (6), side of the power supply indicator (5) away from the work light (6) is provided with alarm sound
(10), display screen (7) is provided with below the power supply indicator (5), button (8) is provided with below the display screen (7), it is described
Signal amplifier (15), signal amplifier (15) the connection A/D modular converters (16), the A/D are provided with housing (14)
Modular converter (16) connection microcontroller (17), microcontroller (17) the connection reset unit (20) and watchdog unit (19), institute
State in housing (14) and be provided with power supply (18).
A kind of 2. height-adjustable high precision gas concentration detector of detection according to claim 1, it is characterised in that：
The power supply that the power supply (18) provides is+5V, -5V ,+3V.
A kind of 3. height-adjustable high precision gas concentration detector of detection according to claim 1, it is characterised in that：
The power supply (18) and the watchdog unit (19), the reset unit (20), the display screen (7), the alarm sound
(10), the button (8), the microcontroller (17), the A/D modular converters (16), the signal amplifier (15) and described
Firedamp sensor (9) is electrically connected.
A kind of 4. height-adjustable high precision gas concentration detector of detection according to claim 1, it is characterised in that：
The microcontroller (17) uses ADC0809 chips.
A kind of 5. height-adjustable high precision gas concentration detector of detection according to claim 1, it is characterised in that：
The watchdog unit (19) uses chip X25045.
A kind of 6. height-adjustable high precision gas concentration detector of detection according to claim 1, it is characterised in that：
The detachable air dry-set (3) includes the air flow passage (11), the impermeable film (12), ring-type heat
Quick resistance (13), the ring-type thermistor (13) are electrically connected with the power supply (18), the air flow passage (11), described
It is connected through a screw thread between impermeable film (12) and the ring-type thermistor (13).
A kind of 7. height-adjustable high precision gas concentration detector of detection according to claim 1, it is characterised in that：
The power supply indicator (5), the work light (6), the display screen (7) and the button (8) are embedded in the housing
(14) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444285.8A CN107989653A (en) | 2017-12-27 | 2017-12-27 | It is a kind of to detect height-adjustable high precision gas concentration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444285.8A CN107989653A (en) | 2017-12-27 | 2017-12-27 | It is a kind of to detect height-adjustable high precision gas concentration detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107989653A true CN107989653A (en) | 2018-05-04 |
Family
ID=62042966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711444285.8A Pending CN107989653A (en) | 2017-12-27 | 2017-12-27 | It is a kind of to detect height-adjustable high precision gas concentration detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107989653A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632900A (en) * | 2019-01-25 | 2019-04-16 | 华商国际工程有限公司 | Gas concentration detecting alarm |
| CN110470626A (en) * | 2019-08-28 | 2019-11-19 | 贵州大学 | One kind is for gas density on-line measuring device inside mine |
| CN110487968A (en) * | 2019-08-27 | 2019-11-22 | 贵州大学 | A kind of mining dust-proof formula gas-warning integrated apparatus |
| CN112067750A (en) * | 2020-09-10 | 2020-12-11 | 郑州美克盛世电子科技有限公司 | Probe capable of reducing humidity and detecting gas and novel gas detector |
| CN113971874A (en) * | 2021-09-30 | 2022-01-25 | 中国化学工程第六建设有限公司 | Emergency safety alarm system for site operation |
| CN114594211A (en) * | 2022-03-07 | 2022-06-07 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Detection device is administered to colliery gas in pit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632900A (en) * | 2019-01-25 | 2019-04-16 | 华商国际工程有限公司 | Gas concentration detecting alarm |
| CN110487968A (en) * | 2019-08-27 | 2019-11-22 | 贵州大学 | A kind of mining dust-proof formula gas-warning integrated apparatus |
| CN110470626A (en) * | 2019-08-28 | 2019-11-19 | 贵州大学 | One kind is for gas density on-line measuring device inside mine |
| CN112067750A (en) * | 2020-09-10 | 2020-12-11 | 郑州美克盛世电子科技有限公司 | Probe capable of reducing humidity and detecting gas and novel gas detector |
| CN112067750B (en) * | 2020-09-10 | 2023-06-16 | 郑州美克盛世电子科技有限公司 | Probe capable of dehumidifying and detecting gas and novel gas detector |
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| CN114594211A (en) * | 2022-03-07 | 2022-06-07 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Detection device is administered to colliery gas in pit |
| CN114594211B (en) * | 2022-03-07 | 2024-02-23 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Underground coal mine gas control detection device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180504 |