CN2787839Y - Multi-source information gas monitoring instrument - Google Patents

Multi-source information gas monitoring instrument Download PDF

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Publication number
CN2787839Y
CN2787839Y CN 200520090975 CN200520090975U CN2787839Y CN 2787839 Y CN2787839 Y CN 2787839Y CN 200520090975 CN200520090975 CN 200520090975 CN 200520090975 U CN200520090975 U CN 200520090975U CN 2787839 Y CN2787839 Y CN 2787839Y
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China
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pin
meet
circuit
power supply
ground connection
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Expired - Fee Related
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CN 200520090975
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Chinese (zh)
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付华
杜晓坤
徐耀松
孙红鸽
闫馨
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Liaoning Technical University
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Liaoning Technical University
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Abstract

The utility model relates to a multi-source information gas monitoring instrument which belongs to a coal mine gas detecting instrument. The multi-source information gas monitoring instrument is composed of a simulating switching circuit (2), a forward path circuit (3), a power supply circuit (4), a keyboard circuit (6), an actuating mechanism circuit (7), a voice alarm circuit (8), an LCD display circuit (9), a central processing unit circuit (5) and a combined circuit (1) of a sensor. The multi-source information gas monitoring instrument is used for monitoring the concentration of gas via detecting the gas concentration of the major component of the gas, various gas concentration values taken as the input of a neuronal network are combined through a three-layer BP network to obtain the result whether the gas is excessive. Voice alarm is provided when the gas is excessive, corresponding measures are prompted, a standby fan is operated by a relay to enhance ventilation, gas explosion is avoided and the safety of coal mine production and human bodies is ensured.

Description

Multi-source information gas-monitoring instrument
Technical field
The utility model belongs to the coal mine gas detecting instrument, particularly a kind of multi-source information gas-monitoring instrument.
Technical background
At present, the instrument kind that coal mine gas detects is a lot, little of being embedded in safety helmet, the mine lamp, big to forming monitoring system, communication network, can make aboveground monitoring center understand the downhole safety situation at any time, the colliery that has in addition with the monitoring of Coal Mine Safety Supervision Bureau of Shanxi Province dispatching and monitoring center cluster, however, gas explosion accident still takes place again and again, and a reason is that miner's awareness of safety is not high, the 2nd, because the instrument alarm signal is not obvious, gas exceeding limit also can not reported to the police.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of by detecting contained all gases concentration in the gas, the multi-source information gas-monitoring instrument of comprehensive detection gas.
The technical scheme that the utility model technical solution problem adopts is: a kind of multi-source information gas-monitoring instrument of mainly being made up of analog switching circuit, forward path circuit, power circuit, keyboard circuit, actuating mechanism circuit, language alarm circuit, LCD display circuit is characterized in that it also comprises central processing unit circuit and sensor composition circuit; The central processing unit circuit comprises single-chip microcomputer U 11, software monitor U 12, crystal oscillator Y 1, button S 1, diode D 1, resistance R 19, R 20, capacitor C 28~C 31U 111 pin connect in the LCD display circuit and to drive chip U 132 pin, U 127 pin and R 20An end, 2 pin meet the photoelectrical coupler U in the forward path circuit 103 pin, 3 pin connect the end of the relay K A in the actuating mechanism circuit, 4 pin connect in the LCD display circuit with door U 8A, U 9A1 pin, 5 pin connect in the forward path circuit can compile gain amplifier U 7A1 pin, 8 pin meet U 8A2 pin, 9 pin meet U 9A2 pin, 10 pin connect 11 pin and+the 5V power supply, 12 pin ground connection, 13 pin meet C 29, Y 1An end, 14 pin meet C 30An end, Y 1The other end, C 29, C 30Other end ground connection, 31 pin meet D 1, C 28One end and+the 5V power supply, 32 pin meet R 19, S 1One end and ground, D 1Another termination S 1The other end, C 28Another termination R 19, R 20The other end, 24 pin meet button S in the keyboard circuit 216~9 pin pin and R 23One end, R 23Another termination+5V power supply, 25 pin meet shift register U 188 pin, 26 pin meet U 181,2 pin, 6 pin meet U 7A2 pin, 15 pin meet U in the analog switching circuit 79 pin, 16 pin meet U 710 pin, 3 pin, forward path circuit in instrument amplifier U 81 pin, 17 pin meet U 711 pin, 7 pin meet U 126 pin, 19~22 pin, 27~30 pin meet U respectively 1317~10 pin, 33 pin meet speech chip U in the voice alarm circuit 1422 pin, 34 pin meet U 1321 pin, 35 pin meet U 1320 pin, 36 pin meet U 1427 pin, 37 pin meet U 1424 pin, 38 pin meet U 1423 pin, 39 pin meet U 147,9,10 pin, 40 pin meet U 141 pin; U 121 pin connect 8 pin, 2 pin meet C 31An end and+the 5V power supply, 3 pin meet 4 pin, C 31The other end and ground.
The sensor combination circuit comprises nitrogen sensor U 1, high concentration methane transducer U 2, low-concentration methane sensor U 19, hydrogen sulfide sensor U 3, radon sensor U 4, carbon monoxide transducer U 5, carbon dioxide sensor U 6, operational amplifier U 1A, U 2A, U 3A, U 4A, U 5A, battery supply BT 1, BT 2, variable resistor R 6, R 8, resistance R 1~R 5, R 7, R 9~R 11Capacitor C 1~C 15U 11 pin connect+the 5V power supply, 2 pin meet R 1An end, 3 pin ground connection, U 1A1 pin meet U 715 pin, C 1, R 2One end, 4 pin meet C 3One end and-the 15V power supply, C 3Other end ground connection, 3 pin ground connection, 2 pin meet R 1, C 1, R 2The other end, 8 pin meet C 2One end and+the 15V power supply, C 2Other end ground connection; U 21 pin meet battery supply BT 1Negative pole, 2 pin meet U 712 pin, 3 pin meet BT 1Anodal; U 19Positive pole meet BT 2Negative pole, U 19Negative pole meet R 3, C 4An end, U 713 pin, R 3, C 4Another termination BT 2Positive pole; U 31 pin connect+the 24V power supply, 2 pin meet U 714 pin, 3 pin connect-the 24V power supply; U 41 pin connect+the 5V power supply, 2 pin meet R 4An end, 3 pin ground connection; U 2A1 pin meet U 71 pin, R 63,2 pin, 4 pin meet C 7One end and-the 15V power supply, C 7Other end ground connection, 3 pin meet R 5One end, R 5Other end ground connection, 2 pin meet R 61 pin, C 5One end, R 4The other end, C 5Other end ground connection, 8 pin meet C 6One end and+the 15V power supply, C 6Other end ground connection; U 51 pin meet U 3A2 pin, 2 pin meet R 9One end, 3 pin meet U 3A1 pin; U 3A4 pin meet C 9One end and-the 15V power supply, C 9Other end ground connection, 3 pin connect+the 5V power supply, and 8 pin meet C 8An end and+the 15V power supply, C 8Other end ground connection; U 4A1 pin meet U 72 pin, R 82,3 pin, 4 pin meet C 12One end and-the 15V power supply, C 12Other end ground connection, 3 pin meet R 20, C 11An end, R 10, C 11Other end ground connection, 2 pin meet R 9The other end, R 7One end, R 7Another termination R 81 pin, 8 pin meet C 10One end and+the 15V power supply, C 10Other end ground connection; U 61 pin connect+the 5V power supply, 2 pin meet C 13, R 11One end, C 13, R 11Other end ground connection, 3 pin meet U 5A3 pin, 4 pin ground connection, 5 pin connect+the 5V power supply, 6 pin ground connection; U 5A1 pin meet U 75 pin, U 5A2 pin, 4 pin meet C 15One end and-the 15V power supply, C 15Other end ground connection, 8 pin meet C 14One end and+the 15V power supply, C 14Other end ground connection.
The beneficial effects of the utility model are: multi-source information gas-monitoring instrument is a concentration of monitoring gas by the gas concentration that detection gas is mainly formed, with of the input of all gases concentration value as neuroid, whether obtain gas after three layers of BP network integration transfinites, if transfinite then provide audio alert, corresponding measure is taked in prompting, and utilize relay to open standby fan enhancing ventilation, and avoid taking place gas explosion, ensure Coal Production and personal safety.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 shows multi-source information gas-monitoring instrument structured flowchart.
Analog switching circuit, forward path circuit, central processing unit circuit, keyboard circuit, voice alarm circuit, LCD display circuit schematic diagram in Fig. 2 diagrammatic sketch 1.
Sensor combination circuit, power circuit, actuating mechanism circuit schematic diagram in Fig. 3 diagrammatic sketch 1.
Among the figure, 1-sensor combination circuit; The 2-analog switching circuit; 3-forward path circuit; The 4-power circuit; 5-central processing unit circuit; The 6-keyboard circuit; The 7-actuating mechanism circuit; The 8-voice alarm circuit; The 9-LCD display circuit; U 1-nitrogen sensor; U 2-high concentration methane transducer; U 19-low-concentration methane alkane sensor; U 3-hydrogen sulfide sensor; U 4-radon sensor; U 5-carbon monoxide transducer; U 6-carbon dioxide sensor; U 1A~U 5A-operational amplifier; U 7-analog switch; U 8-instrument amplifier; U 9-sampling holder; U 10-photoelectrical coupler; U 11-central processing unit single-chip microcomputer; U 12-software monitor; U 13-driving chip; U 14-speech chip; U 15, U 16, U 17-three ends are fixed positive and negative voltage-stabilized power supply; U 18-shift register; U 1A~U 5A-operational amplifier; U 6A-step low-pass active filter; U 7A-can compile gain amplifier; U 8A, U 9A-with the door; D 4, D 5-rectifier bridge; BT 1, BT 2-battery supply; T 1, T 2-220V power supply; T 3-electrical network; D 1~D 3-diode; Y 1, Y 2-crystal oscillator; The SP-buzzer; The KA-relay; M 1-blower fan; K 1~K 4-switch; F 1~F 4-fuse; S 1-button; R 6, R 8, R 15-variable resistor; R 1~R 5-resistance; R 7, R 9~R 14, R 16~R 23-resistance; C 37~C 40, C 45, C 48-electrochemical capacitor; C 1~C 36, C 41~C 44, C 46, C 47-electric capacity
The specific embodiment
With reference to accompanying drawing 1, multi-source information gas-monitoring instrument is made up of sensor combination circuit 1, analog switching circuit 2, forward path circuit 3, power circuit 4, central processing unit circuit 5, keyboard circuit 6, actuating mechanism circuit 7, voice alarm circuit 8, LCD display circuit 9, with reference to accompanying drawing 3, sensor circuit 1 comprises nitrogen sensor U 1, high concentration methane transducer U 2, low-concentration methane sensor U 19, hydrogen sulfide sensor U 3, radon sensor U 4, carbon monoxide transducer U 5, carbon dioxide sensor U 6, operational amplifier U 1A, U 2A, U 3A, U 4A, U 5A, battery supply BT 1, BT 2, variable resistor R 6, R 8, resistance R 1~R 5, R 7, R 9~R 11Capacitor C 1~C 15U 11 pin connect+the 5V power supply, 2 pin meet R 1An end, 3 pin ground connection, U 1A1 pin meet U 715 pin, C 1, R 2One end, 4 pin meet C 3One end and-the 15V power supply, C 3Other end ground connection, 3 pin ground connection, 2 pin meet R 1, C 1, R 2The other end, 8 pin meet C 2One end and+the 15V power supply, C 2Other end ground connection; U 21 pin meet battery supply BT 1Negative pole, 2 pin meet U 712 pin, 3 pin meet BT 1Anodal; U 19Positive pole meet BT 2Negative pole, U 19Negative pole meet R 3, C 4An end, U 713 pin, R 3, C 4Another termination BT 2Positive pole; U 31 pin connect+the 24V power supply, 2 pin meet U 714 pin, 3 pin connect-the 24V power supply; U 41 pin connect+the 5V power supply, 2 pin meet T 4An end, 3 pin ground connection; U 2A1 pin meet U 71 pin, T 63,2 pin, 4 pin meet C 7One end and-the 15V power supply, C 7Other end ground connection, 3 pin meet R 5One end, R 5Other end ground connection, 2 pin meet T 61 pin, C 5One end, R 4The other end, C 5Other end ground connection, 8 pin meet C 6One end and+the 15V power supply, C 6Other end ground connection; U 51 pin meet U 3A2 pin, 2 pin meet R 9One end, 3 pin meet U 3A1 pin; U 3A4 pin meet C 9One end and-the 15V power supply, C 9Other end ground connection, 3 pin connect+the 5V power supply, and 8 pin meet C 8An end and+the 15V power supply, C 8Other end ground connection; U 4A1 pin meet U 72 pin, R 82,3 pin, 4 pin meet C 12One end and-the 15V power supply, C 12Other end ground connection, 3 pin meet R 10, C 11An end, R 10, C 11Other end ground connection, 2 pin meet R 9The other end, R 7One end, R 7Another termination R 81 pin, 8 pin meet C 10One end and+the 15V power supply, C 10Other end ground connection; U 61 pin connect+the 5V power supply, 2 pin meet C 13, R 11One end, C 13, R 11Other end ground connection, 3 pin meet U 5A3 pin, 4 pin ground connection, 5 pin connect+the 5V power supply, 6 pin ground connection; U 5A1 pin meet U 75 pin, U 5A2 pin, 4 pin meet C 15One end and-the 15V power supply, C 15Other end ground connection, 8 pin meet C 14One end and+the 15V power supply, C 14Other end ground connection.
With reference to accompanying drawing 2, analog switching circuit 2 comprises analog switch U 7U 716,6 pin connect+the 5V power supply 7,8 pin ground connection.
With reference to accompanying drawing 2, forward path circuit 3 comprises instrument amplifier U 8, step low-pass active filter U 6A, can compile gain amplifier U 7A, sampling holder U 9, photoelectrical coupler U 10, variable resistor R 15, resistance R 12~R 14, R 16~R 18, capacitor C 16~C 27U 814 pin meet R 13An end, 2 pin meet R 13The other end, 3 pin ground connection, 5 pin connect-15V power supply, C 17One end, R 152 pin, C 17Other end ground connection, 4,6 pin meet R 151,3 pin, 11 pin ground connection, 7 pin meet 12 pin, R 14One end, 13,10 pin meet R 12Two ends, 8 pin connect+15V power supply, C 16One end, C 16Other end ground connection; U 6A1 pin meet R 17, R 18One end, 2 pin meet R 17The other end, 3 pin meet R 16, C 19One end, C 19Other end ground connection, R 16Another termination R 14The other end, C 18One end, C 18Other end ground connection, 4 pin meet C 21One end ,-the 15V power supply, C 21Other end ground connection, 8 pin meet C 20One end ,+the 15V power supply, C 20Other end ground connection; U 7A4 pin meet R 18The other end, C 22One end, C 22Other end ground connection, 8 pin meet C 23One end ,+the 15V power supply, C 23Other end ground connection, 6 pin meet C 24One end ,-the 15V power supply, C 24Other end ground connection, 7 pin meet U 93 pin; U 91 pin meet C 25One end ,+the 15V power supply, C 25Other end ground connection, 7 pin meet C 27One end and ground, 6 pin meet C 27The other end, 5 pin meet U 101 pin, 4 pin meet C 26One end ,-the 15V power supply, C 26Other end ground connection; U 102 pin connect 4 pin.
With reference to accompanying drawing 3, power circuit 4 comprises that three ends fix positive and negative voltage-stabilized power supply U 15, U 17, U 16, 220V power supply T 1, T 2, rectifier bridge D 4, D 5, diode D 2, D 3, electrochemical capacitor C 39, C 40, C 45, C 48, capacitor C 41~C 44, C 46, C 47T 11,2 pin connect the 220V power supply, 3 pin meet D 44 pin, 4 pin meet D 42 pin; D 41 pin meet U 163 pin, C 40Negative pole, C 42An end, 3 pin meet U 151 pin, C 39Positive pole, C 41An end; U 153 pin meet C 43, D 2An end and+the 15V/24V power supply.U 161 pin meet C 44, D 3An end and-the 15V/-24V power supply, U 152 pin meet U 162 pin, C 39Negative pole, C 40Positive pole, C 41~C 44, D 2, D 3-the other end and ground; T 21,2 pin connect the 220V power supply, 3 pin meet D 54 pin, 4 pin meet D 52 pin, D 51 pin meet U 172 pin, C 45Negative pole, C 48Negative pole, C 46, C 47An end and ground, 3 pin meet U 171 pin, C 45Positive pole, C 46The other end, U 173 pin meet C 47The other end, C 48Positive pole and+the 5V power supply.
With reference to accompanying drawing 2, central processing unit circuit 5 comprises single-chip microcomputer U 11, software monitor U 12, crystal oscillator Y 1, button S 1, diode D 1, resistance R 19, R 20, capacitor C 28~C 31U 111 pin connect in the LCD display circuit and to drive chip U 132 pin, U 127 pin and R 20An end, 2 pin meet the photoelectrical coupler U in the forward path circuit 103 pin, 3 pin connect the end of the relay K A in the actuating mechanism circuit, 4 pin connect in the LCD display circuit with door U 8A, U 9A1 pin, 5 pin connect in the forward path circuit can compile gain amplifier U 7A1 pin, 8 pin meet U 8A2 pin, 9 pin meet U 9A2 pin, 10 pin connect 11 pin and+the 5V power supply, 12 pin ground connection, 13 pin meet C 29, Y 1An end, 14 pin meet C 30An end, Y 1The other end, C 29, C 30Other end ground connection, 31 pin meet D 1, C 28One end and+the 5V power supply, 32 pin meet R 19, S 1One end and ground, D 1Another termination S 1The other end, C 28Another termination R 19, R 20The other end, 24 pin meet button S in the keyboard circuit 216~9 pin pin and R 23One end, R 23Another termination+5V power supply, 25 pin meet shift register U 188 pin, 26 pin meet U 181,2 pin, 6 pin meet U 7A2 pin, 15 pin meet U in the analog switching circuit 79 pin, 16 pin meet U 710 pin, 3 pin, forward path circuit in instrument amplifier U 81 pin, 17 pin meet U 711 pin, 7 pin meet U 126 pin, 19~22 pin, 27~30 pin meet U respectively 1317~10 pin, 33 pin meet speech chip U in the voice alarm circuit 1422 pin, 34 pin meet U 1321 pin, 35 pin meet U 1320 pin, 36 pin meet U 1427 pin, 37 pin meet U 1424 pin, 38 pin meet U 1423 pin, 39 pin meet U 147,9,10 pin, 40 pin meet U 141 pin; U 121 pin connect 8 pin, 2 pin meet C 31An end and+the 5V power supply, 3 pin meet 4 pin, C 31The other end and ground.
With reference to accompanying drawing 2, comprise shift register U in keyboard circuit 6 schematic diagrams 18, button S 2, resistance R 23U 189 pin connect+the 5V power supply, 3~6 pin, 10~13 pin meet button S respectively 28~5 pin, 4~1 pin.
With reference to accompanying drawing 3, actuating mechanism circuit 7 comprises relay K A, blower fan M 1, electrical network T 3, fuse F 1~F 4, K switch 1Another termination of KA K 1One end and ground, K 1Another termination F 1One end, F 1Another termination T 3, M 11,2,3 pin meet K respectively 1One end, K 1The other end meets F respectively 2, F 3, F 4An end, F 2, F 3, F 4Another termination T 3
With reference to accompanying drawing 2, voice alarm circuit 8 comprises speech chip U 14, buzzer SP, electrochemical capacitor C 37, C 38, capacitor C 34~C 36, resistance R 21, R 22U 142 pin connect 3,4,5,6,8,26 pin and ground, 28 pin meet 16 pin, C 35, C 34An end, C 37Positive pole and+the 15V power supply, C 35, C 34Other end ground connection, 12 pin meet 13 pin, C 37Negative pole and ground, 14,15 pin connect 1,2 pin of SP, and 20 pin meet C 36An end, 21 pin meet R 21One end, C 36Another termination R 21The other end, 19 pin meet C 38Anodal, R 22An end, C 38Negative pole meets R 22The other end and ground.
With reference to accompanying drawing 2, LCD display circuit 9 comprises driving chip U 13, with the door U 8A, U 9A, crystal oscillator Y 2, capacitor C 32, C 33U 1361 pin connect+the 5V power supply, 19 pin meet U 8A3 pin, 18 pin meet U 9A3 pin, 66 pin meet Y 2, C 32An end, 67 pin meet Y 2The other end, C 33One end, C 32Another termination C 33The other end and ground, 63 pin ground connection.
The multi-source information gas monitor adopts the sensor U that detects these six kinds of gases according to main component methane, carbon dioxide, nitrogen, carbon monoxide, hydrogen sulfide, the radon of gas 2, U 19, U 6, U 1, U 5, U 3, U 4The concentration signal of corresponding gas is converted to the signal of telecommunication, tentatively amplify, send in the analog switching circuit 2 then together, central processing unit circuit 5 is given analog switching circuit 2 control signals, control any road signal and pass through, the instrument amplifier U of certain road signal in forward path circuit 3 of analog switching circuit 2 outputs 8Amplify step low-pass active filter U 6AFiltering can be compiled gain amplifier U 7ACarry out two utmost points and amplify, then by sampling holder U 9Keep, through photoelectrical coupler U 10Send into single-chip microcomputer U in the central processing unit circuit 5 after the coupling 11, at central processing unit U 11Inside each gas concentration value is imported as neutral net, after fusion treatment, obtain definite gas concentration, by central processing unit circuit 5 each gas concentration value and actual gas density are sent in the LCD display circuit 9, demonstration was to show two groups of data the cycle with 3 seconds, one group is each gas content, and another group is corresponding gas density, if gas exceeding limit, then report to the police, and open the down-hole standby fan by relay K A and add forced ventilation by language alarm circuit 8.

Claims (2)

1, a kind of multi-source information gas-monitoring instrument, mainly form by analog switching circuit (2), forward path circuit (3), power circuit (4), keyboard circuit (6), actuating mechanism circuit (7), voice alarm circuit (8), LCD display circuit (9), it is characterized in that it also comprises central processing unit circuit (5), central processing unit circuit (5) comprises single-chip microcomputer U 11, software monitor U 12, crystal oscillator Y 1, button S 1, diode D 1, resistance R 19, R 20, capacitor C 28~C 31U 111 pin connect in the LCD display circuit and to drive chip U 132 pin, U 127 pin and R 20An end, 2 pin meet the photoelectrical coupler U in the forward path circuit 103 pin, 3 pin connect the end of the relay K A in the actuating mechanism circuit, 4 pin connect in the LCD display circuit with door U 8A, U 9A1 pin, 5 pin connect in the forward path circuit can compile gain amplifier U 7A1 pin, 8 pin meet U 8A2 pin, 9 pin meet U 9A2 pin, 10 pin connect 11 pin and+the 5V power supply, 12 pin ground connection, 13 pin meet C 29, Y 1An end, 14 pin meet C 30An end, Y 1The other end, C 29, C 30Other end ground connection, 31 pin meet D 1, C 28One end and+the 5V power supply, 32 pin meet R 19, S 1One end and ground, D 1Another termination S 1The other end, C 28Another termination R 19, R 20The other end, 24 pin meet button S in the keyboard circuit 216~9 pin pin and R 23One end, R 23Another termination+5V power supply, 25 pin meet shift register U 188 pin, 26 pin meet U 181,2 pin, 6 pin meet U 7A2 pin, 15 pin meet U in the analog switching circuit 79 pin, 16 pin meet U 710 pin, 3 pin, forward path circuit in instrument amplifier U 81 pin, 17 pin meet U 711 pin, 7 pin meet U 126 pin, 19~22 pin, 27~30 pin meet U respectively 1317~10 pin, 33 pin meet speech chip U in the voice alarm circuit (8) 1422 pin, 34 pin meet U 1321 pin, 35 pin meet U 1320 pin, 36 pin meet U 1427 pin, 37 pin meet U 1424 pin, 38 pin meet U 1423 pin, 39 pin meet U 147,9,10 pin, 40 pin meet U 141 pin; U 121 pin connect 8 pin, 2 pin meet C 31An end and+the 5V power supply, 3 pin meet 4 pin, C 31The other end and ground.
2, a kind of multi-source information gas-monitoring instrument is characterized in that it also comprises sensor combination circuit (1), and sensor combination circuit (1) comprises nitrogen sensor U 1, high concentration methane transducer U 2, low-concentration methane sensor U 19, hydrogen sulfide sensor U 3, radon sensor U 4, carbon monoxide transducer U 5, carbon dioxide sensor U 6, operational amplifier U 1A, U 2A, U 3A, U 4A, U 5A, battery supply BT 1, BT 2, variable resistor R 6, R 8, resistance R 1~R 5, R 7, R 9~R 11Capacitor C 1~C 15U 11 pin connect+the 5V power supply, 2 pin meet R 1An end, 3 pin ground connection, U 1A1 pin meet U 715 pin, C 1, R 2One end, 4 pin meet C 3One end and-the 15V power supply, C 3Other end ground connection, 3 pin ground connection, 2 pin meet R 1, C 1, R 2The other end, 8 pin meet C 2One end and+the 15V power supply, C 2Other end ground connection; U 21 pin meet battery supply BT 1Negative pole, 2 pin meet U 712 pin, 3 pin meet BT 1Anodal; U 19Positive pole meet BT 2Negative pole, U 19Negative pole meet R 3, C 4An end, U 713 pin, R 3, C 4Another termination BT 2Positive pole; U 31 pin connect+the 24V power supply, 2 pin meet U 714 pin, 3 pin connect-the 24V power supply; U 41 pin connect+the 5V power supply, 2 pin meet R 4An end, 3 pin ground connection; U 2A1 pin meet U 71 pin, R 63,2 pin, 4 pin meet C 7One end and-the 15V power supply, C 7Other end ground connection, 3 pin meet R 5One end, R 5Other end ground connection, 2 pin meet R 61 pin, C 5One end, R 4The other end, C 5Other end ground connection, 8 pin meet C 6One end and+the 15V power supply, C 6Other end ground connection; U 51 pin meet U 3A2 pin, 2 pin meet R 9One end, 3 pin meet U 3A1 pin; U 3A4 pin meet C 9One end and-the 15V power supply, C 9Other end ground connection, 3 pin connect+the 5V power supply, and 8 pin meet C 8An end and+the 15V power supply, C 8Other end ground connection; U 4A1 pin meet U 72 pin, R 82,3 pin, 4 pin meet C 12One end and-the 15V power supply, C 12Other end ground connection, 3 pin meet R 10, C 11An end, R 10, C 11Other end ground connection, 2 pin meet R 9The other end, R 7One end, R 7Another termination R 81 pin, 8 pin meet C 10One end and+the 15V power supply, C 10Other end ground connection; U 61 pin connect+the 5V power supply, 2 pin meet C 13, R 11One end, C 13, R 11Other end ground connection, 3 pin meet U 5A3 pin, 4 pin ground connection, 5 pin connect+the 5V power supply, 6 pin ground connection; U 5A1 pin meet U 75 pin, U 5A2 pin, 4 pin meet C 15One end and-the 15V power supply, C 15Other end ground connection, 8 pin meet C 14One end and+the 15V power supply, C 14Other end ground connection.
CN 200520090975 2005-05-23 2005-05-23 Multi-source information gas monitoring instrument Expired - Fee Related CN2787839Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975092A (en) * 2010-11-05 2011-02-16 中北大学 Real-time prediction method of mine gas concentration in short and medium terms based on radial basis function neural network integration
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
CN107045311A (en) * 2017-06-20 2017-08-15 辽宁机电职业技术学院 A kind of intelligent water-mist-proof formation controller in bathroom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101975092A (en) * 2010-11-05 2011-02-16 中北大学 Real-time prediction method of mine gas concentration in short and medium terms based on radial basis function neural network integration
CN101975092B (en) * 2010-11-05 2012-08-15 中北大学 Real-time prediction method of mine gas concentration in short and medium terms based on radial basis function neural network integration
CN107045311A (en) * 2017-06-20 2017-08-15 辽宁机电职业技术学院 A kind of intelligent water-mist-proof formation controller in bathroom

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