CN105738565A - Mining gas detector - Google Patents
Mining gas detector Download PDFInfo
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- CN105738565A CN105738565A CN201410755431.9A CN201410755431A CN105738565A CN 105738565 A CN105738565 A CN 105738565A CN 201410755431 A CN201410755431 A CN 201410755431A CN 105738565 A CN105738565 A CN 105738565A
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Abstract
The invention relates to a mining gas detector. The mining gas detector comprises a housing, a circuit board arranged in the housing, a microprocessor arranged on the circuit board, and a carbon monoxide detection circuit, a carbon dioxide detection circuit, an oxygen detection circuit, and a methane detection circuit which are connected to the microprocessor, and an intrinsically-safe battery provided a working voltage for the components above. The circuit board is further provided with a display screen, an alarm circuit, a memory, a key circuit, and an illuminating lamp which are connected to the microprocessor. Each of the carbon monoxide detection circuit, the carbon dioxide detection circuit, the oxygen detection circuit, and the methane detection circuit comprises a detection head, an amplifying circuit, and an A/D converting circuit which are connected through conducting wires. The detector can detect carbon monoxide, carbon dioxide, oxygen, and methane under the mine, and is convenient for workers to carry and detect.
Description
Technical field
The present invention relates to mine safety field, be specifically related to a kind of mining apparatus for determination of gas.
Background technology
Substantial amounts of toxic and harmful can be had under mine, various detector can be used, for instance methane detector, carbon monoxide detector and carbon dioxide indicator etc., owing to they are respectively provided with to detect various gas, use and carry very inconvenient, but so far but without good solution.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of mining apparatus for determination of gas, and the carbon monoxide under ore deposit, carbon dioxide, oxygen and methane can be detected by this determinator, facilitate workman to carry and check.
The present invention is achieved by the following technical solutions: a kind of mining apparatus for determination of gas, including casing, it is located at the wiring board in casing and the Carbon Monoxide Detection circuit, carbon dioxide testing circuit, oxygen detection circuit, CH_4 detection circuit and the intrinsic safe battery for above each parts offer running voltage that are installed on the microprocessor on wiring board, are connected with microprocessor respectively；Described wiring board is also equipped with the display screen, warning circuit, memorizer, key circuit and the illuminating lamp that are connected with microprocessor；Described Carbon Monoxide Detection circuit, carbon dioxide testing circuit, oxygen detection circuit, CH_4 detection circuit include the detecting head, amplifying circuit and the A/D change-over circuit that are linked in sequence by wire respectively.
Described display screen is LCD liquid crystal display screen.
Described warning circuit is sound light alarming circuit.
Described detecting head is black and white catalysis element.
Described key circuit includes adjustment key and self-inspection key.
This determinator adopts YT183650 lithium-ions battery, rated operational voltage 4.2V, operating current≤460mA, has additives for overcharge protection, over and crosses stream, overvoltage protection；Protection circuit, current-limiting resistance and battery adopt epoxy resin by current-limiting resistance and battery encapsulation one, encapsulation thickness 1mm.
The invention has the beneficial effects as follows: a kind of mining apparatus for determination of gas, the carbon monoxide under ore deposit, carbon dioxide, oxygen and methane can be detected by this determinator, facilitate workman to carry and check.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing 1 is the structural representation of a kind of mining apparatus for determination of gas.
Accompanying drawing 2 is the surface structure schematic diagram of a kind of mining apparatus for determination of gas.
In figure, 1. casing, 2. wiring board, 3. microprocessor, 4. Carbon Monoxide Detection circuit, 5. carbon dioxide testing circuit, 6. oxygen detection circuit, 7. CH_4 detection circuit, 8. display screen, 9. warning circuit, 10. memorizer, 11. key circuits, 12. illuminating lamp, 13. detecting head, 14. amplifying circuits, 15.A/D change-over circuit.
Detailed description of the invention
In the accompanying drawings, a kind of mining apparatus for determination of gas, including casing 1, it is located at the wiring board 2 in casing 1, and is installed on the microprocessor 3 on wiring board 2, the Carbon Monoxide Detection circuit 4 being connected with microprocessor 3 respectively, carbon dioxide testing circuit 5, oxygen detection circuit 6, CH_4 detection circuit 7 and the intrinsic safe battery of running voltage is provided for above each parts；Described wiring board 2 is also equipped with the display screen 8, warning circuit 9, memorizer 10, key circuit 11 and the illuminating lamp 12 that are connected with microprocessor 3；Detecting head 13, amplifying circuit 14 and A/D change-over circuit 15 that described Carbon Monoxide Detection circuit 4, carbon dioxide testing circuit 5, oxygen detection circuit 6, CH_4 detection circuit 7 are linked in sequence by wire respectively form.
Described display screen 8 is LCD liquid crystal display screen.
Described warning circuit 9 is sound light alarming circuit.
Described detecting head 13 is black and white catalysis element.
Described key circuit 11 includes adjustment key and self-inspection key.
This determinator adopts YT183650 lithium-ions battery, rated operational voltage 4.2V, operating current≤460mA, has additives for overcharge protection, over and crosses stream, overvoltage protection；Protection circuit, current-limiting resistance and battery adopt epoxy resin by current-limiting resistance and battery encapsulation one, encapsulation thickness 1mm.
Methane, oxygen, carbon monoxide and gas concentration lwevel in environmental ambient air is detected in real time after determinator start, and shown in digital form by LCD liquid crystal display screen 8, when methane, carbon monoxide, carbon dioxide concentration exceed the alarm point of setting, or when oxygen concentration is less than or equal to the alarming value arranged, warning circuit 9 sends sound, visual alarm, to show that concentration transfinites.
Described detecting head 13 is protection black and white catalysis element, and when determinator detects extraneous methane concentration be more than or equal to 4.00%, determinator cuts off the power supply of black and white catalysis element, and reports to the police.After determinator detects after starting shooting and do not mount black and white catalysis element or the inefficacy of black and white catalysis element, determinator cuts out the power supply of black and white catalysis element, to reduce the power consumption of determinator, and display-0.00 simultaneously.After again mounting black and white catalysis element, must turn back on, activate the power supply of black and white catalysis element.
The operational approach of the present invention is:
1, methane zero point is adjusted:
When determinator is in the environment (in fresh air) that methane is zero, when methane show value is not zero, it is necessary to adjust methane zero point.Adjust the methane zero point method to be: to press adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, click adjustment key, display screen 8 middle and lower part shows " calibration ", clicks " self-inspection " key, and display screen 8 lower left corner shows " zeroing ", finally clicking adjustment key to confirm, determinator is adjusted to methane zero point current state automatically.Exit adjustment state, return to real-time detection state.
2, gas adjusts methane precision:
After determinator start work 10 minutes, pass into the standard methane gas of 1.00% toward the methane transducer air chamber of determinator with the flow of 200mL/min.After methane stable reading, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes.Clicking adjustment key, display screen 8 middle and lower part shows " adjustment ".Click adjustment key to confirm.Enter numerical value adjust state, now press on & off switch (+) or self-inspection key (-) methane readings is adjusted consistent with gas value, finally click adjustment key confirmation, methane precision adjustment completes, and exits adjustment state, returns to real-time detection state.
3, methane warning value is adjusted:
Under real-time detection state, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes.Clicking adjustment key, display screen middle and lower part shows " calibration ", click on & off switch (+), display screen 8 lower right corner shows " alarm point ", clicks adjustment key, shows current methane warning value.Then press on & off switch (+) or self-inspection key (-) be adjusted to required alarming value, finally click adjustment key confirm, adjust methane warning value complete, exit adjustment state, return to real-time detection state.
4, oxygen 21.0% point is adjusted:
When determinator is in the environment (in fresh air) that oxygen is 21.0%, when oxygen show value is not 21.0%, it is necessary to adjust oxygen 21.0% point.Adjust oxygen 21.0% point methods to be: to press adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, in LCDs, " CH4% " character flashes, click on & off switch (+), LCDs 8 is switched to " O2% " character and flashes, click adjustment key, display screen middle and lower part shows " calibration ", clicks self-inspection key, and display screen 8 lower left corner shows " zeroing ", finally clicking adjustment key to confirm, determinator is adjusted to 21.0% current state automatically.Exit adjustment state, return to real-time detection state.
5, gas adjusts oxygen precision:
After determinator start work 10 minutes, pass into the standard nitrogen of 99.9% toward the oxygen sensor cover of determinator with the flow of 200mL/min.After oxygen stable reading, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes.Click on & off switch (+), LCDs is switched to " O2% " character and flashes.Clicking adjustment key again, display screen 8 middle and lower part shows " calibration ".Click adjustment key confirm, enter numerical value adjust state, now press on & off switch (+) or self-inspection key (-) oxygen readings is adjusted to 00.0, finally click adjustment key to confirm, gas adjusts oxygen precision to complete, and exits adjustment state, returns to real-time detection state.
6, oxygen alarming value is adjusted:
Under real-time detection state, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, click on & off switch (+), LCDs 8 is switched to " O2% " character and flashes.Clicking adjustment key again, display screen 8 middle and lower part shows " calibration ", click on & off switch (+), the display screen lower right corner shows " alarm point ", clicks adjustment key, shows current oxygen alarming value.Then press on & off switch (+) or self-inspection key (-) be adjusted to required alarming value, finally click adjustment key confirm, adjust oxygen alarming value complete, return to real-time detection state.
7, carbon monoxide zero point is adjusted:
When determinator is in the environment (in fresh air) that carbon monoxide is zero, when carbon monoxide show value is not zero, it is necessary to adjust carbon monoxide zero point.Adjust the carbon monoxide zero point method to be: pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, double-click on & off switch (+), LCDs is switched to " CO × 10-6" character flashes, then click adjustment key, display screen 8 middle and lower part shows " calibration ", clicks self-inspection key, the display zeroing of the display screen lower left corner, finally clicks adjustment key and confirms, determinator is adjusted to zero point current state automatically.Return to real-time detection state.
8, gas adjusts carbon monoxide precision:
After determinator start work 10 minutes, pass into 500 × 10 with the flow of 200mL/min toward the carbon monoxide transducer cover of determinator-6Standard CO (carbon monoxide converter) gas.After carbon monoxide stable reading, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, double-click on & off switch (+), LCDs 8 is switched to " CO × 10-6" character flashes.Clicking adjustment key again, display screen 8 middle and lower part shows " calibration ".Click adjustment key to confirm.Enter numerical value adjust state, then press on & off switch (+) or self-inspection key (-) carbon monoxide readings is adjusted to 500, finally click adjustment key confirm, gas tune carbon monoxide precision complete, return to real-time detection state.
9, carbonic oxide alarming value is adjusted:
Under real-time detection state, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, double-click on & off switch (+), LCDs is switched to " CO × 10-6" character flashes.Click adjustment key again, display screen 8 middle and lower part shows " calibration ", click on & off switch (+), the display screen lower right corner shows " alarm point ", clicks adjustment key, show current carbonic oxide alarming value, then press on & off switch (+) or self-inspection key (-) adjust carbon monoxide alarming value, finally click adjustment key confirm, adjust carbonic oxide alarming value complete, exit adjustment state, return to real-time detection state.
10, carbon dioxide zero point is adjusted:
When determinator is in the environment (in pure nitrogen gas) that carbon dioxide is zero, when carbon dioxide show value is not zero, it is necessary to adjust carbon dioxide zero point.Adjust the carbon dioxide zero point method to be: to press adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, by three times on & off switches (+), LCDs 8 is switched to " CO2 " character flash, click adjustment key again, the display calibration of display screen 8 middle and lower part.Clicking self-inspection key, the display screen lower left corner shows " zeroing ", finally clicks adjustment key and confirms, determinator is adjusted to zero point current state automatically.Return to real-time detection state.
11, carbon dioxide precision is adjusted:
After determinator start work 10 minutes, pass into the carbon dioxide of the standard of 1.50%CO2 toward the carbon dioxide sensor storehouse of determinator with the flow of 200mL/min.After carbon dioxide value is stable, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, by three times on & off switches (+), LCDs 8 is switched to " CO2 " character and flashes.Clicking adjustment key again, display screen 8 middle and lower part shows " adjustment ", clicks adjustment key and confirms.Enter numerical value adjust state, then press on & off switch (+) or self-inspection key (-) carbon dioxide values is adjusted consistent with gas value, finally click adjustment key confirmation, tune carbon dioxide precision complete, return to real-time detection state.
12, carbon dioxide alarming value is adjusted:
Under real-time detection state, pressing adjustment key and self-inspection key 1 second simultaneously, enter adjustment state, " CH4% " character in LCDs 8 flashes, by three times on & off switches (+), LCDs is switched to " CO2 " character and flashes.Click adjustment key again, display screen 8 middle and lower part shows " calibration ", click on & off switch (+), display screen 8 lower right corner shows " alarm point ", clicks adjustment key, shows current carbon dioxide alarming value, then press on & off switch (+) or self-inspection key (-) adjust the alarming value of required carbon dioxide, finally click adjustment key to confirm, adjust the alert value of carbon dioxide to complete, return to real-time detection state.
13, the calibration date:
Detecting state in real time, press calibration key and self-inspection key 1 second simultaneously, enter calibration state, " CH4% " character in LCDs 8 flashes, and presses three times self-inspection key (-)s, LCDs 8 is switched to " date " character and flashes.Click calibration key again, year value flash, press on & off switch (+) or self-inspection key (-) adjust the readings in year, click calibration key and confirm, year value adjusted.Month value is flashed, press on & off switch (+) or self-inspection key (-) adjust the readings of the moon, click the confirmation of calibration key, moon value adjustment completes.The earning in a day is flashed, press on & off switch (+) or self-inspection key (-) adjust day readings, click calibration key confirm, earning in a day adjustment completes.Exit calibration state, return to real-time detection state.
14, the calibration time:
Detecting state in real time, press calibration key and self-inspection key 1 second simultaneously, enter calibration state, " CH4% " character in LCDs 8 flashes, and double-clicks self-inspection key (-), LCDs is switched to " Hour Minute Second " character and flashes.Clicking calibration key again, one hour value flashes, press on & off switch (+) or self-inspection key (-) adjust hour readings, click calibration key confirm, one hour value has adjusted.Minute value is flashed, press on & off switch (+) or the readings that adjusts minute of self-inspection key (-), click calibration key and confirm, a minute value adjustment completes.Second value is flashed, press on & off switch (+) or self-inspection key (-) adjust the readings of second, click the confirmation of calibration key, second value adjustment completes.Exit calibration state, return to real-time detection state.
15, calibration week:
Detecting state in real time, press calibration key and self-inspection key 1 second simultaneously, enter calibration state, " CH4% " character in LCDs 8 flashes, and clicks self-inspection key (-), LCDs 8 is switched to " week " character and flashes.Click calibration key again, week value flash, press on & off switch (+) or self-inspection key (-) adjust the readings in week, click calibration key and confirm, week value adjustment completes.Exit calibration state, return to real-time detection state.
Claims (6)
1. a mining apparatus for determination of gas, it is characterized in that, including casing, it is located at the wiring board in casing and the Carbon Monoxide Detection circuit, carbon dioxide testing circuit, oxygen detection circuit, CH_4 detection circuit and the intrinsic safe battery for above each parts offer running voltage that are installed on the microprocessor on wiring board, are connected with microprocessor respectively；Described wiring board is also equipped with the display screen, warning circuit, memorizer, key circuit and the illuminating lamp that are connected with microprocessor；Described Carbon Monoxide Detection circuit, carbon dioxide testing circuit, oxygen detection circuit, CH_4 detection circuit include the detecting head, amplifying circuit and the A/D change-over circuit that are linked in sequence by wire respectively.
2. the mining apparatus for determination of gas of one according to claim 1, is characterized in that, described display screen is LCD liquid crystal display screen.
3. the mining apparatus for determination of gas of one according to claim 1, is characterized in that, described warning circuit is sound light alarming circuit.
4. the mining apparatus for determination of gas of one according to claim 1, is characterized in that, described detecting head is black and white catalysis element.
5. the mining apparatus for determination of gas of one according to claim 1, is characterized in that, described key circuit includes adjustment key and self-inspection key.
6. the mining apparatus for determination of gas of one according to claim 1, is characterized in that, this determinator adopts YT183650 lithium-ions battery, rated operational voltage 4.2V, operating current≤460mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755431.9A CN105738565A (en) | 2014-12-11 | 2014-12-11 | Mining gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410755431.9A CN105738565A (en) | 2014-12-11 | 2014-12-11 | Mining gas detector |
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| Publication Number | Publication Date |
|---|---|
| CN105738565A true CN105738565A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410755431.9A Pending CN105738565A (en) | 2014-12-11 | 2014-12-11 | Mining gas detector |
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| CN (1) | CN105738565A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095153A (en) * | 2019-05-20 | 2019-08-06 | 安徽延达智能科技有限公司 | One kind ten unifies Multifunction Sensor |
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- 2014-12-11 CN CN201410755431.9A patent/CN105738565A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095153A (en) * | 2019-05-20 | 2019-08-06 | 安徽延达智能科技有限公司 | One kind ten unifies Multifunction Sensor |
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Application publication date: 20160706 |