CN1096846A - Coal mine gas monitoring and controlling system - Google Patents
Coal mine gas monitoring and controlling system Download PDFInfo
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- CN1096846A CN1096846A CN 93112030 CN93112030A CN1096846A CN 1096846 A CN1096846 A CN 1096846A CN 93112030 CN93112030 CN 93112030 CN 93112030 A CN93112030 A CN 93112030A CN 1096846 A CN1096846 A CN 1096846A
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- gas density
- monitoring device
- gas
- control device
- monitoring
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Abstract
A kind of coal mine gas monitoring and controlling system of forming by monitoring device and control device.Electric bridge becomes gas density into signal of telecommunication input pickup after testing in the air chamber of monitoring device; Amplify through measuring, after the V-I conversion, demonstrate gas density, when gas density reaches finite concentration, carry out language alarm, sound and light alarm in gauge outfit.Behind monitoring device signals converted input control device, carrier wave is sent to the receiver or the microcomputer on ground; When gas reaches suitable concentration, cut off the power supply from command of execution external equipment.The present invention has characteristics such as volume is little, in light weight, function is many, particularly has the language alarm function.
Description
The present invention relates to the mine safety appliance system, particularly relate to micro computer languages type coal mine gas monitoring and controlling system.
At present, the gas alarm that uses under the coal mine, it is bulky, and performance is single, does not particularly possess the language alarm function, does not also possess the interchangeability of connected receiver or microcomputer.
Task of the present invention be the invention a kind of volume little, in light weight, possess language alarm and can with the different receivers or the coal mine gas monitoring and controlling system of microcomputer network.
Coal mine gas monitoring and controlling system of the present invention is made up of main equipment monitoring device and auxiliary equipment control device.
Monitoring device is made up of air chamber and sensor.Electric bridge becomes gas density into the voltage signal input pickup after testing in air chamber.In sensor, after measuring amplification and V-I conversion, on the gauge outfit of sensor, demonstrate gas density; When gas density reaches the finite concentration scope, carry out language alarm through the language wiring board; When gas density surpasses finite concentration, then carry out sound and light alarm through the alarm circuit plate.Monitoring device adopts DC power supply.
The signal of telecommunication of the gas density that monitoring device produces, by the thread guide devices of monitoring device through the cable input control device.In control device, be sent to the receiver or the microcomputer on ground by carrier wave through receiving lines plate or computer line plate.When gas density reaches suitable concentration, cut off the power supply from command of execution external equipment through the deenergizing circuit plate.Control device adopts ac power supply.Simultaneously, also supply with monitoring device with dc source.
Coal mine gas monitoring and controlling system volume of the present invention is little, in light weight, function is many, particularly has the language alarm function.The interchangeability that also has coupled receiver or microcomputer.
Fig. 1 monitoring device schematic diagram;
Fig. 2 monitoring device circuit block diagram;
Fig. 3 monitoring device electrical schematic diagram;
Fig. 4 coal mine gas monitoring and controlling system circuit block diagram;
Fig. 5 control device schematic diagram;
Fig. 6 control device circuit block diagram;
Fig. 7 control device delay cut-off part electrical schematic diagram;
Fig. 8 control device power unit electrical schematic diagram.
Embodiment:
Micro computer languages type coal mine gas monitoring and controlling system (Fig. 4) is made up of main equipment monitoring device (Fig. 1) and auxiliary equipment control device (Fig. 5).
Monitoring device (Fig. 1) is made up of air chamber (1) and sensor.In air chamber (1), gas density is become the voltage signal input pickup through Rm1 and Rm2 detection electric bridge (Fig. 2).After F110 measured amplification and V-I conversion (Fig. 2), sensor gauge outfit (2) demonstrated gas density in sensor; When gas density reaches 1%-3%, carry out language alarm through language wiring board (11) by loudspeaker (8): " the miner comrades: gas transfinites now, please take care; Comrade fireboss: the situation of change that note gas constantly." when gas density surpasses 3%, then carry out sound and light alarm by loudspeaker (8) and indicator lamp (3) through alarm circuit plate (5).Monitoring device (Fig. 1) also comprises press box (4,10) and thread guide devices (9) and the housing (6) and the safe board (7) of wiring board (5,11).Monitoring device adopts the 12V DC power supply.Main former device in the monitoring device circuit (Fig. 3) is listed in the table 1.
The signal of telecommunication (Fig. 4) of the gas density that monitoring device (Fig. 1) produces, through cable input control device (Fig. 5), be sent to No. six receiver (not shown)s in ground monitoring room by the thread guide devices (9) of monitoring device by carrier wave (17KHZ) through receiver transmission line plate (55).When gas density surpasses 1.5%, make the external equipment outage through deenergizing circuit plate (54).Control device (Fig. 5) also comprises prap (52) and casing (53), protecgulum (57), loam cake (51) and drop handle (56).It is power supply that control device (Fig. 5) adopts the 36V alternating current, and also power supply gives monitoring device with 12 volts of DC voltages simultaneously.Main former device in the control device circuit (Fig. 7, Fig. 8) is listed in the table 2.
Claims (2)
1, a kind of main equipment monitoring device of coal mine gas monitoring and controlling system is characterized in that being made up of air chamber and sensor; Electric bridge becomes gas density into the voltage signal input pickup after testing in air chamber; In sensor, after measuring amplification and V-I conversion, on the gauge outfit of sensor, demonstrate gas density; When gas density reaches the finite concentration scope, carry out language alarm through the language wiring board; When gas density surpasses finite concentration, then carry out sound and light alarm through the alarm circuit plate.
2, according to the monitoring device of claim 1, it is characterized in that the signal of telecommunication of the gas density that monitoring device produces, by the thread guide devices of monitoring device through the cable input control device; In control device, be sent to the receiver or the microcomputer on ground by carrier wave through receiver transmission line plate or computer line plate; When gas density reaches suitable concentration, cut off the power supply from command of execution external equipment through the deenergizing circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93112030 CN1096846A (en) | 1993-06-25 | 1993-06-25 | Coal mine gas monitoring and controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93112030 CN1096846A (en) | 1993-06-25 | 1993-06-25 | Coal mine gas monitoring and controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1096846A true CN1096846A (en) | 1994-12-28 |
Family
ID=4989774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93112030 Pending CN1096846A (en) | 1993-06-25 | 1993-06-25 | Coal mine gas monitoring and controlling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1096846A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323377C (en) * | 2003-12-23 | 2007-06-27 | 深圳市金安技术发展有限公司 | Real time remote distance monitoring system for safety production |
| CN102312678A (en) * | 2010-07-08 | 2012-01-11 | 淮南矿业(集团)有限责任公司 | Digital blow-out preventing extraction on-line monitoring system for coal mine |
| CN102777212A (en) * | 2012-08-10 | 2012-11-14 | 中国建筑第四工程局有限公司 | Monitoring method of tunnel gas |
| CN101852088B (en) * | 2006-09-05 | 2013-01-30 | 玛珂系统分析和开发有限公司 | Method for controlling dismantling device |
-
1993
- 1993-06-25 CN CN 93112030 patent/CN1096846A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323377C (en) * | 2003-12-23 | 2007-06-27 | 深圳市金安技术发展有限公司 | Real time remote distance monitoring system for safety production |
| CN101852088B (en) * | 2006-09-05 | 2013-01-30 | 玛珂系统分析和开发有限公司 | Method for controlling dismantling device |
| CN102312678A (en) * | 2010-07-08 | 2012-01-11 | 淮南矿业(集团)有限责任公司 | Digital blow-out preventing extraction on-line monitoring system for coal mine |
| CN102777212A (en) * | 2012-08-10 | 2012-11-14 | 中国建筑第四工程局有限公司 | Monitoring method of tunnel gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |