CN202994779U - Intelligent underground gas detection device - Google Patents
Intelligent underground gas detection device Download PDFInfo
- Publication number
- CN202994779U CN202994779U CN 201220721000 CN201220721000U CN202994779U CN 202994779 U CN202994779 U CN 202994779U CN 201220721000 CN201220721000 CN 201220721000 CN 201220721000 U CN201220721000 U CN 201220721000U CN 202994779 U CN202994779 U CN 202994779U
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- amplifier
- chip microcomputer
- capacitor
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model belongs to detection devices, and in particular relates to an intelligent gas detection device which comprises a display circuit (3) and a reset circuit (4), and further comprises a gas collecting circuit (1) and a control circuit (2). The gas collecting circuit (1) comprises a gas sensor J, an amplifier F1, an amplifier F2, a variable resistor R1 and resistors R2-R6. The control circuit (2) comprises an ATmega16 singlechip microcomputer U1, a crystal oscillator Y, a capacitor C2 and a capacitor C3. The intelligent underground gas detection device is provided with a digital display for the convenience of detection and observation, and the device is small in shape and size and can be placed in any places of the mine, or can be carried with workers. The device is flexible and good in detection effect, and the safety of mine and workers can be ensured.
Description
Technical field
The utility model belongs to pick-up unit, particularly a kind of downhole intelligent gas detecting device.
Background technology
At present, in coal production, in mine, gas is the hidden danger that threatens the maximum of mine and workman's life security, generally to exist volume large for existing pick-up unit in coal mine, be not easy to carry, detect the shortcoming of underaction, the pick-up unit price of some import is more expensive again, is not suitable for very much the detection of little coal mine gas.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provide a kind of volume little, be easy to carry, the downhole intelligent gas detecting device that measurement effect is good.
The technical scheme that the utility model technical solution problem adopts is: the downhole intelligent gas detecting device comprises display circuit, reset circuit, be characterized in also being provided with in device gas Acquisition Circuit and control circuit, the gas Acquisition Circuit comprises firedamp sensor J, amplifier F
1, amplifier F
2, variable resistor R
1, resistance R
2~ R
6Their annexation is amplifier F
21 pin connection control circuit in single-chip microcomputer U
140 pin, resistance R
6An end, amplifier F
22 pin connecting resistance R
6The other end, resistance R
5, resistance R
7An end and amplifier F
23 pin, amplifier F
24 pin meet power vd D, amplifier F
211 pin connecting resistance R
7The other end and ground, amplifier F
11 pin connecting resistance R
5The other end, resistance R
4An end, amplifier F
12 pin connecting resistance R
4The other end, resistance R
3An end, amplifier F
13 pin connecting resistance R
2An end, resistance R
2Other end ground connection, amplifier F
14 pin meet power vd D, amplifier F
111 pin ground connection, the 1 pin connecting resistance R of firedamp sensor J
3The other end, variable resistor R
11 pin, 3 pin of firedamp sensor J meet variable resistor R
12,3 pin and ground, 5 pin of firedamp sensor J meet 6 pin and the power supply VCC of firedamp sensor J; Control circuit comprises ATmega16 single-chip microcomputer U
1, crystal resonator Y, capacitor C
2, capacitor C
3Their annexation is single-chip microcomputer U
110 pin connect+the 5V power supply, single-chip microcomputer U
19 pin connect resistance R in reset circuit
8, capacitor C
1, button S an end, single-chip microcomputer U
113 pin crystal resonator Y, capacitor C
2An end, single-chip microcomputer U
112 pin connect the other end, the capacitor C of crystal resonator Y
3An end, single-chip microcomputer U
111 pin connect capacitor C
2, capacitor C
3The other end and ground, single-chip microcomputer U
130 pin connect+the 5V power supply, single-chip microcomputer U
131 pin ground connection, single-chip microcomputer U
126,27,28,29 pin connect respectively resistance R in display circuit
17, resistance R
18, resistance R
19, resistance R
20An end.
The beneficial effects of the utility model are: the downhole intelligent gas detecting device is provided with nixie display, is convenient to detect observe, and overall volume is little, can be positioned in mine Anywhere, also can carry, have dirigibility, detect effectively, guarantee mine and workman's safety.
Description of drawings
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is downhole intelligent gas detecting device circuit theory diagrams.
In figure, 1-gas Acquisition Circuit; The 2-control circuit; The 3-display circuit; The 4-reset circuit;
Embodiment
Embodiment, with reference to accompanying drawing 1, the gas Acquisition Circuit 1 of downhole intelligent gas detecting device comprises firedamp sensor J, amplifier F
1, F
2, variable resistor R
1, resistance R
2~ R
6Their annexation is amplifier J
21 pin connection control circuit in single-chip microcomputer U
140 pin, resistance R
6An end, amplifier F
22 pin connecting resistance R
6The other end, resistance R
5, R
7An end and amplifier F
23 pin, amplifier F
24 pin meet power vd D, F
211 pin connecting resistance R
7The other end and ground, amplifier F
11 pin connecting resistance R
5The other end, resistance R
4An end, amplifier F
12 pin connecting resistance R
4The other end, resistance R
3An end, amplifier F
13 pin connecting resistance R
2An end, R
2Other end ground connection, amplifier F
14 pin meet power vd D, F
111 pin ground connection, the 1 pin connecting resistance R of firedamp sensor J
3The other end, variable resistor R
11 pin, 3 pin of firedamp sensor J meet variable resistor R
12,3 pin and ground, 5 pin of firedamp sensor J meet 6 pin and the power supply VCC of J;
Control circuit 2 comprises ATmega16 single-chip microcomputer U
1, crystal resonator Y, capacitor C
2, C
3Their annexation is single-chip microcomputer U
110 pin connect+the 5V power supply, single-chip microcomputer U
19 pin connect resistance R in reset circuit
8, capacitor C
1, button S an end, single-chip microcomputer U
113 pin crystal resonator Y, capacitor C
2An end, single-chip microcomputer U
112 pin connect the other end, the capacitor C of crystal resonator Y
3An end, single-chip microcomputer U
111 pin connect capacitor C
2, C
3The other end and ground, single-chip microcomputer U
130 pin connect+the 5V power supply, single-chip microcomputer U
131 pin ground connection, single-chip microcomputer U
126,27,28,29 pin connect respectively resistance R in display circuit 3
17, R
18, R
19, R
20An end.
Display circuit 3 comprises nixie display U
2, resistance R
9~ R
20Their annexation is nixie display U
23,5,10,1,2,4,7,11 pin connecting resistance R respectively
9~ R
16An end, R
9~ R
16Other end ground connection, nixie display U
212,9,8,6 pin connecting resistance R respectively
17, R
18, R
19, R
20The other end.
Reset circuit 4 comprises button S, resistance R
8, capacitor C
1Their annexation is resistance R
8Another termination+5V power supply, button S and capacitor C
1Other end ground connection.
The principle of work of downhole intelligent gas detecting device is: with the voltage of firedamp sensor J output to amplifier F
1, F
2Amplify input ATmega16 single-chip microcomputer U after filtering
1Interior A/D conversion is carried out data and is processed again by nixie display U
2Show, display can show content, the concentration of gas, makes people can in time observe the interior gas situation of mine and processes prevention, guarantees the production safety of down-hole.
?
Claims (1)
1. a downhole intelligent gas detecting device, comprise display circuit (3), reset circuit (4), it is characterized in that also being provided with in device gas Acquisition Circuit (1) and control circuit (2), and gas Acquisition Circuit (1) comprises firedamp sensor J, amplifier F
1, amplifier F
2, variable resistor R
1, resistance R
2~ R
6Their annexation is amplifier F
21 pin connection control circuit (1) in single-chip microcomputer U
140 pin, resistance R
6An end, amplifier F
22 pin connecting resistance R
6The other end, resistance R
5, resistance R
7An end and amplifier F
23 pin, amplifier F
24 pin meet power vd D, amplifier F
211 pin connecting resistance R
7The other end and ground, amplifier F
11 pin connecting resistance R
5The other end, resistance R
4An end, amplifier F
12 pin connecting resistance R
4The other end, resistance R
3An end, amplifier F
13 pin connecting resistance R
2An end, resistance R
2Other end ground connection, amplifier F
14 pin meet power vd D, amplifier F
111 pin ground connection, the 1 pin connecting resistance R of firedamp sensor J
3The other end, variable resistor R
11 pin, 3 pin of firedamp sensor J meet variable resistor R
12,3 pin and ground, 5 pin of firedamp sensor J meet 6 pin and the power supply VCC of firedamp sensor J; Control circuit (2) comprises ATmega16 single-chip microcomputer U
1, crystal resonator Y, capacitor C
2, capacitor C
3Their annexation is single-chip microcomputer U
110 pin connect+the 5V power supply, single-chip microcomputer U
19 pin connect resistance R in reset circuit (4)
8, capacitor C
1, button S an end, single-chip microcomputer U
113 pin crystal resonator Y, capacitor C
2An end, single-chip microcomputer U
112 pin connect the other end, the capacitor C of crystal resonator Y
3An end, single-chip microcomputer U
111 pin connect capacitor C
2, C
3The other end and ground, single-chip microcomputer U
130 pin connect+the 5V power supply, single-chip microcomputer U
131 pin ground connection, single-chip microcomputer U
126,27,28,29 pin connect respectively resistance R in display circuit (3)
17, resistance R
18, resistance R
19, resistance R
20An end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721000 CN202994779U (en) | 2012-12-25 | 2012-12-25 | Intelligent underground gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721000 CN202994779U (en) | 2012-12-25 | 2012-12-25 | Intelligent underground gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994779U true CN202994779U (en) | 2013-06-12 |
Family
ID=48565949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220721000 Expired - Fee Related CN202994779U (en) | 2012-12-25 | 2012-12-25 | Intelligent underground gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI563223B (en) * | 2015-12-22 | 2016-12-21 | ||
| CN107991459A (en) * | 2018-01-25 | 2018-05-04 | 大同煤矿集团雁崖煤业有限公司 | Wireless digital gas detector |
-
2012
- 2012-12-25 CN CN 201220721000 patent/CN202994779U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI563223B (en) * | 2015-12-22 | 2016-12-21 | ||
| CN107991459A (en) * | 2018-01-25 | 2018-05-04 | 大同煤矿集团雁崖煤业有限公司 | Wireless digital gas detector |
| CN107991459B (en) * | 2018-01-25 | 2023-11-17 | 大同煤矿集团雁崖煤业有限公司 | Wireless digital gas detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204930572U (en) | A kind of Multifunction Intelligent bracelet | |
| CN202994779U (en) | Intelligent underground gas detection device | |
| CN203216997U (en) | On-line detector for ground resistor | |
| CN204028064U (en) | A kind of portable soil humidity quick test device | |
| CN204142623U (en) | A kind of mining gas sensor device | |
| CN205267076U (en) | Mining multi -functional intelligent gloves | |
| CN201811934U (en) | Intelligent gas detecting device | |
| CN203935180U (en) | Electrocardial signal acquisition device | |
| CN203643444U (en) | Handheld soil monitoring equipment | |
| CN102410890A (en) | Intrinsically safe infrared acquisition type digital display pressure gauge for mine | |
| CN205089310U (en) | Ground energy-saving monitoring device for oil pumping well | |
| CN203299206U (en) | Portable blood glucose testing device based on USB socket data transmission | |
| CN204287436U (en) | A kind of battery monitoring system | |
| CN201425519Y (en) | Infrared sensing circuit | |
| CN204903030U (en) | A temperature measurement system for gardens fire prevention based on thing networking | |
| CN202956755U (en) | Novel computer failure alarming and automatic detecting device | |
| CN202329882U (en) | Mine intrinsically safe type infrared acquisition digital display pressure gauge | |
| CN202039901U (en) | Portable wireless multifunctional monitoring system for underground mine | |
| CN204129950U (en) | Infrared data ' s acquisition device | |
| CN204269165U (en) | A kind of flow measuring instrument | |
| CN203132981U (en) | Mining portable multifunctional methane alarming device | |
| CN202177673U (en) | Oil pumping unit night watching tester | |
| CN104712365A (en) | Anti-explosion monitoring system for coal mine | |
| CN104373140B (en) | A kind of fully mechanized mining supporter hydraulic pressure monitoring system | |
| CN204329257U (en) | A kind of have the air-conditioning remote control surveying body temp. function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131225 |