CN201837576U - Mine smoke sensor - Google Patents
Mine smoke sensor Download PDFInfo
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- CN201837576U CN201837576U CN 201020575944 CN201020575944U CN201837576U CN 201837576 U CN201837576 U CN 201837576U CN 201020575944 CN201020575944 CN 201020575944 CN 201020575944 U CN201020575944 U CN 201020575944U CN 201837576 U CN201837576 U CN 201837576U
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Abstract
The utility model discloses a mine smoke sensor, which comprises a smoke collecting unit, a signal processing unit, a signal output unit and a power supply unit, wherein the smoke collecting unit is used for collecting the smoke condition under the current environment to obtain the smoke sensing data; the signal processing unit is used for realizing comparison, judgment and processing for the smoke sensing data obtained by the smoke collecting unit; the signal output unit is used for transmitting the data processed by the signal processing unit to an upper computer; the power supply unit is used for supplying power for the smoke collecting unit, the signal processing unit and the signal output unit; the smoke collecting unit also comprises a self-checking subunit; the self-checking subunit is used for generating a self-checking signal; after the self-checking signal is processed by the signal processing unit, a smoke alarm signal is generated and then is output to the upper computer by the signal output unit. As the self-checking subunit is arranged, the mine smoke sensor has the self-checking function, so as to facilitate the repair and the maintenance for the mine smoke sensor.
Description
Technical field
The utility model relates to a kind of smoke transducer, relates in particular to a kind of mining smoke transducer.
Background technology
Smoke transducer is to adopt the smog sensitive element to survey the smoke condition of monitoring of environmental, exports corresponding current signal according to detected smoke condition, thereby detects the concentration of smoke particle.Smoke transducer is widely used in various fields such as city security protection, sub-district, factory, company, school, family, villa, warehouse, resource, oil, chemical industry, gas transmission and distribution at present.Yet known mining smoke transducer does not all have self-checking function at present, and the smog environment that need simulate when checking mining smoke transducer fine or not is tested, and is not easy to the maintenance and the maintenance of mining smoke transducer.
The utility model content
The purpose of this utility model is to provide a kind of mining smoke transducer with self-checking function, so that the maintenance of mining smoke transducer and maintenance.
For achieving the above object, the utility model provides a kind of mining smoke transducer, comprising:
The smog collecting unit is used to gather the smog situation under the current environment, obtains the smog sensing data;
Signal processing unit is used for the smog sensing data that described smog collecting unit obtains is compared judgment processing;
Signal output unit is used for the data of the acquisition after the described signal processing unit processes are sent to host computer;
Power supply unit is used to described smog collecting unit, described signal processing unit and the power supply of described signal output unit;
Wherein, described smog collecting unit also comprises the self check subelement, described self check subelement is used to produce self-test signal, and described self-test signal produces the smog alarm signal and exports described smog alarm signal to described host computer by described signal output unit after described signal processing unit processes.
Mining smoke transducer of the present utility model, described smog collecting unit comprises that model is the 3rd Voltage stabilizing module of S0905-1W, smog sensing probe, resistance R 8, resistance R 9, resistance R 10, resistance R 15, resistance R 16, resistance R 17, diode D10 and the self check button S1 that model is MQ2, wherein:
The 1st pin of described the 3rd Voltage stabilizing module is connected with the output terminal of described power supply unit, the first input end with described smog sensing probe of the 3rd pin of described the 3rd Voltage stabilizing module is connected, the 2nd pin ground connection of described the 3rd Voltage stabilizing module, the output terminal of described smog sensing probe is connected with the signal input part of described signal processing unit, second input end of described smog sensing probe is connected with the output terminal of described power supply unit, the earth terminal ground connection of described smog sensing probe; Resistance R 16, resistance R 17, diode D10 and resistance R 15 are contacted successively, resistance R 16 1 ends are connected with the output terminal of described power supply unit, the input end of diode D10 is connected with the end of resistance R17, the output terminal of diode D10 respectively with an end of resistance R 15, the signal input part of signal processing unit connects, the other end ground connection of resistance R 15, the two ends of resistance R 16 also are connected to self check button S1, resistance R 16, resistance R 17, diode D10, resistance R 15 and self check button S1 constitute described self check subelement, one end of resistance R 8 is connected with the output terminal of described power supply unit, the other end of resistance R 8 respectively with an end of resistance R 9, one end of resistance R 10 connects, the other end ground connection of resistance R 9, the other end of resistance R 10 is connected with described signal processing unit.
Mining smoke transducer of the present utility model, described signal processing unit comprises that model is first operational amplifier and second operational amplifier of LM358, diode D4, resistance R 3, voltage stabilizing diode D2, first triode, diode D8, first phase inverter, resistance R 6, first light emitting diode, second light emitting diode, resistance R 5, second phase inverter, the 3rd phase inverter, diode D3, resistance R 2, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D9, capacitor C 5, resistance R 4, capacitor C 1, capacitor C 3, capacitor C 4, resistance R 1, resistance R 7, resistance R 22, diode D7, wherein:
The 2nd pin of first operational amplifier is connected with an end of resistance R 10, the 3rd pin of first operational amplifier respectively with resistance R 13, resistance R 12 connects, the other end of resistance R 13 is connected with the output terminal of described smog sensing probe, the other end ground connection of electricity R12, connect by resistance R 11 between the 2nd pin of first operational amplifier and the 1st pin, the 8th pin of first operational amplifier connects the 9V direct current, the 4th pin ground connection of first operational amplifier, the 1st pin of first operational amplifier is connected with the 5th pin of second operational amplifier, one end of the output terminal of diode D9 and resistance R 14 and connect the back be connected with the output terminal of described smog sensing probe, the other end of the input end of diode D9 and resistance R 14 and connect after respectively with the 6th pin of second operational amplifier, the positive pole of capacitor C 5 connects, the minus earth of resistance capacitance C5, the 7th pin of second operational amplifier is connected with the input end of diode D4, the output terminal of diode D4 respectively with an end of resistance R 3, one end of resistance R 4 connects, the other end ground connection of resistance R 4, the other end of resistance R 3 respectively with the output terminal of voltage stabilizing diode D2, the positive pole of capacitor C 3, the input end of diode D7 connects, the minus earth of capacitor C 3, the input end of voltage stabilizing diode D2 respectively with the base stage of first triode, the positive pole of capacitor C 1 connects, the minus earth of capacitor C 1, the collector of first triode respectively with an end of resistance R 1, the input end of diode D8, one end of resistance R 22 connects, the grounded emitter of first triode, the other end of resistance R 1 is connected with the output terminal of described power supply unit, the other end of resistance R 22 is connected with described signal output unit, the output terminal of diode D8 respectively with the input end of first phase inverter, the positive pole of capacitor C 4 connects, the minus earth of capacitor C 4, be connected by resistance R 7 between the input end of first phase inverter and the output terminal, the output terminal of first phase inverter is connected with the output terminal of first light emitting diode by resistance R 6, the input end of first light emitting diode respectively with the output terminal of diode D7, the output terminal of second light emitting diode, the output terminal of second phase inverter connects, the input end of second light emitting diode is connected with the output terminal of described power supply unit by resistance R 5, the input end of second phase inverter is connected with the output terminal of the 3rd phase inverter, the input end of the 3rd phase inverter respectively with the input end of diode D3, one end of resistance R 2, described signal output unit connects, the output terminal of diode D3 respectively with the output terminal of described power supply unit, described signal output unit connects, the other end of resistance R 2 respectively with the output terminal of described power supply unit, described signal output unit connects.
Mining smoke transducer of the present utility model, described signal output unit comprises that resistance R 18, second triode, model are that photoelectrical coupler, resistance R 19, capacitor C 8, capacitor C 9, the model of 4N25 is first Voltage stabilizing module of 7530-1 and second Voltage stabilizing module, resistance R 20, capacitor C 10, capacitor C 11, capacitor C 2, diode D1, resistance R 21, wherein:
The base stage of second triode is connected with an end of resistance R 22, the collector of second triode is an end of resistance R 18 respectively, the 1st pin of photoelectrical coupler connects, the other end of resistance R 18 is connected with the output terminal of described power supply unit, the grounded emitter of second triode, the 2nd pin ground connection of photoelectrical coupler, the 5th pin of photoelectrical coupler respectively with an end of resistance R 19, one end of capacitor C 8, one end of capacitor C 9, the 1st pin of first Voltage stabilizing module connects, the other end of the other end of resistance R 19 and capacitor C 8 and connect the back be connected with the 3rd pin of first Voltage stabilizing module, the 2nd pin of first Voltage stabilizing module respectively with the other end of capacitor C 9, the input end of the 3rd phase inverter, the output terminal of diode D1, the positive pole of capacitor C 2, the 2nd pin of second Voltage stabilizing module, one end of capacitor C 11 connects, the input end of diode D1 is connected with the output terminal of described power supply unit, the minus earth of capacitor C 2, the 4th pin of photoelectrical coupler respectively with an end of resistance R 20, capacitor C 10 1 ends, the other end of capacitor C 11, the 1st pin of second Voltage stabilizing module, one end of resistance R 21 connects, the other end of resistance R 20 is connected with the 3rd pin of second Voltage stabilizing module with capacitor C 10 other ends and after connecing, and the other end of resistance R 21 is a signal output part.
Mining smoke transducer of the present utility model, described power supply unit comprise that model is 7809 the 4th Voltage stabilizing module, capacitor C 6 and capacitor C 7, wherein:
The 1st pin of the 4th Voltage stabilizing module is connected with the positive pole of 12～18V power supply, capacitor C 6 respectively, the minus earth of capacitor C 6, the 2nd pin ground connection of stabilized voltage supply, the 3rd pin of the 4th Voltage stabilizing module is connected the minus earth of capacitor C 7 with the 1st pin of the 3rd Voltage stabilizing module, second input end of smog sensing probe, an end of resistance R 16, an end of resistance R 8, an end of resistance R 1, an end of resistance R 18, an end of resistance R 5, an end of resistance R 2, the output terminal of diode D3, the input end of diode D1, the positive pole of capacitor C 7 respectively.
Mining smoke transducer of the present utility model comprises: the smog collecting unit, be used to gather the smog situation under the current environment, and obtain the smog sensing data; Signal processing unit, the smog sensing data that is used for the smog collecting unit is obtained compares judgment processing; Signal output unit is used for the data of the acquisition after the signal processing unit processes are sent to host computer; Power supply unit is used to smog collecting unit, signal processing unit and signal output unit power supply; Wherein, the smog collecting unit also comprises the self check subelement, the self check subelement, be used to produce self-test signal, self-test signal produces the smog alarm signal and exports the smog alarm signal to host computer by signal output unit after described signal processing unit processes, owing to be provided with the self check subelement, and therefore, mining smoke transducer of the present utility model has self-checking function, has made things convenient for the maintenance and the maintenance of mining smoke transducer.
Description of drawings
Fig. 1 is the circuit theory diagrams of mining smoke transducer of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail:
As shown in Figure 1, the mining smoke transducer of present embodiment comprises: smog collecting unit 1, be used to gather the smog situation under the current environment, and obtain the smog sensing data.Signal processing unit 2, the smog sensing data that is used for smog collecting unit 1 is obtained compares judgment processing.Signal output unit 3 is used for the data of the acquisition after signal processing unit 2 processing are sent to host computer.Power supply unit 4 is used to smog collecting unit 1, described signal processing unit 2 and signal output unit 3 power supplies.This smog collecting unit 1 also comprises the self check subelement, and this self check subelement is used to produce self-test signal, and self-test signal produces the smog alarm signal and exports the smog alarm signal to host computer by signal output unit 3 after signal processing unit 2 is handled.
The mining smoke transducer of present embodiment, this smog collecting unit 1 comprises that model is the 3rd Voltage stabilizing module of S0905-1W, smog sensing probe, resistance R 8, resistance R 9, resistance R 10, resistance R 15, resistance R 16, resistance R 17, diode D10 and the self check button S1 that model is MQ2, wherein, the first input end with the smog sensing probe of the 3rd pin of the 3rd Voltage stabilizing module is connected, the 2nd pin ground connection of the 3rd Voltage stabilizing module, the earth terminal ground connection of smog sensing probe; Resistance R 16, resistance R 17, diode D10 and resistance R 15 are contacted successively, the input end of diode D10 is connected with the end of resistance R17, the output terminal of diode D10 is connected with an end of resistance R 15 respectively, the other end ground connection of resistance R 15, the two ends of resistance R 16 also are connected to self check button S1, resistance R 16, resistance R 17, diode D10, resistance R 15 and self check button S1 constitute the self check subelement, one end of resistance R 8 is connected with an end of resistance R 9, an end of resistance R 10 respectively, the other end ground connection of resistance R 9.
The mining smoke transducer of present embodiment, this signal processing unit 2 comprises that model is first operational amplifier and second operational amplifier of LM358, diode D4, resistance R 3, voltage stabilizing diode D2, first triode, diode D8, first phase inverter, resistance R 6, first light emitting diode, second light emitting diode, resistance R 5, second phase inverter, the 3rd phase inverter, diode D3, resistance R 2, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D9, capacitor C 5, resistance R 4, capacitor C 1, capacitor C 3, capacitor C 4, resistance R 1, resistance R 7, resistance R 22, diode D7, wherein, the 2nd pin of first operational amplifier is connected with an end of resistance R 10, the 3rd pin of first operational amplifier respectively with resistance R 13, resistance R 12 connects, the other end ground connection of electricity R12, connect by resistance R 11 between the 2nd pin of first operational amplifier and the 1st pin, the 8th pin of first operational amplifier connects the 9V direct current, the 4th pin ground connection of first operational amplifier, the 1st pin of first operational amplifier is connected with the 5th pin of second operational amplifier, one end of the output terminal of diode D9 and resistance R 14 and connect the back be connected with the output terminal of smog sensing probe, the other end of the input end of diode D9 and resistance R 14 and connect after respectively with the 6th pin of second operational amplifier, the positive pole of capacitor C 5 connects, the minus earth of resistance capacitance C5, the 7th pin of second operational amplifier is connected with the input end of diode D4, the output terminal of diode D4 respectively with an end of resistance R 3, one end of resistance R 4 connects, the other end ground connection of resistance R 4, the other end of resistance R 3 respectively with the output terminal of voltage stabilizing diode D2, the positive pole of capacitor C 3, the input end of diode D7 connects, the minus earth of capacitor C 3, the input end of voltage stabilizing diode D2 respectively with the base stage of first triode, the positive pole of capacitor C 1 connects, the minus earth of capacitor C 1, the collector of first triode respectively with an end of resistance R 1, the input end of diode D8, one end of resistance R 22 connects, the grounded emitter of first triode, the output terminal of diode D8 respectively with the input end of first phase inverter, the positive pole of capacitor C 4 connects, the minus earth of capacitor C 4, be connected by resistance R 7 between the input end of first phase inverter and the output terminal, the output terminal of first phase inverter is connected with the output terminal of first light emitting diode by resistance R 6, the input end of first light emitting diode respectively with the output terminal of diode D7, the output terminal of second light emitting diode, the output terminal of second phase inverter connects, the output terminal of second light emitting diode is connected with resistance R 5, the input end of second phase inverter is connected with the output terminal of the 3rd phase inverter, the input end of the 3rd phase inverter respectively with the input end of diode D3, one end of resistance R 2 connects.
The mining smoke transducer of present embodiment, this signal output unit 3 comprises resistance R 18, second triode, model is the photoelectrical coupler of 4N25, resistance R 19, capacitor C 8, capacitor C 9, model is first Voltage stabilizing module and second Voltage stabilizing module of 7530-1, resistance R 20, capacitor C 10, capacitor C 11, capacitor C 2, diode D1, resistance R 21, wherein, the base stage of second triode is connected with an end of resistance R 22, the collector of second triode is an end of resistance R 18 respectively, the 1st pin of photoelectrical coupler connects, the grounded emitter of second triode, the 2nd pin ground connection of photoelectrical coupler, the 5th pin of photoelectrical coupler respectively with an end of resistance R 19, one end of capacitor C 8, one end of capacitor C 9, the 1st pin of first Voltage stabilizing module connects, the other end of the other end of resistance R 19 and capacitor C 8 and connect the back be connected with the 3rd pin of first Voltage stabilizing module, the 2nd pin of first Voltage stabilizing module respectively with the other end of capacitor C 9, the input end of the 3rd phase inverter, the output terminal of diode D1, the positive pole of capacitor C 2, the 2nd pin of second Voltage stabilizing module, one end of capacitor C 11 connects, the minus earth of capacitor C 2, the 4th pin of photoelectrical coupler respectively with an end of resistance R 20, capacitor C 10 1 ends, the other end of capacitor C 11, the 1st pin of second Voltage stabilizing module, one end of resistance R 21 connects, the other end of resistance R 20 is connected with the 3rd pin of second Voltage stabilizing module with capacitor C 10 other ends and after connecing, and the other end of resistance R 21 is a signal output part.
The mining smoke transducer of present embodiment, this power supply unit 4 comprises that model is 7809 the 4th Voltage stabilizing module, capacitor C 6 and capacitor C 7, wherein, the 1st pin of the 4th Voltage stabilizing module respectively with 12～18V power supply, the positive pole of capacitor C 6 connects, the minus earth of capacitor C 6, the 2nd pin ground connection of stabilized voltage supply, the 3rd pin of the 4th Voltage stabilizing module respectively with the 1st pin of the 3rd Voltage stabilizing module, second input end of smog sensing probe, one end of resistance R 16, one end of resistance R 8, one end of resistance R 1, one end of resistance R 18, one end of resistance R 5, one end of resistance R 2, the output terminal of diode D3, the input end of diode D1, the positive pole of capacitor C 7 connects, the minus earth of capacitor C 7.
Mining smoke transducer of the present utility model, the electric current of the R21 of output unit 3 output is about 1mA under the normal condition, after pressing self check button S1, smog collecting unit 1 produces a jump signal, sending into signal processing unit 2 handles, to handle the signal of back acquisition after signal processing unit 2 is handled again delivers in 4205 optocouplers of signal output unit 3, this signal intensity can directly make the optocoupler closure, the R21 output current of signal output unit 3 is become 5mA by normal 1mA, thereby output alarm signal, so, can test out mining smoke transducer of the present utility model and report to the police functional.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (5)
1. a mining smoke transducer is characterized in that, comprising:
The smog collecting unit is used to gather the smog situation under the current environment, obtains the smog sensing data;
Signal processing unit is used for the smog sensing data that described smog collecting unit obtains is compared judgment processing;
Signal output unit is used for the data of the acquisition after the described signal processing unit processes are sent to host computer;
Power supply unit is used to described smog collecting unit, described signal processing unit and the power supply of described signal output unit;
Wherein, described smog collecting unit also comprises the self check subelement, described self check subelement is used to produce self-test signal, and described self-test signal produces the smog alarm signal and exports described smog alarm signal to described host computer by described signal output unit after described signal processing unit processes.
2. mining smoke transducer according to claim 1, it is characterized in that, described smog collecting unit comprises that model is the 3rd Voltage stabilizing module of S0905-1W, smog sensing probe, resistance R 8, resistance R 9, resistance R 10, resistance R 15, resistance R 16, resistance R 17, diode D10 and the self check button S1 that model is MQ2, wherein:
The 1st pin of described the 3rd Voltage stabilizing module is connected with the output terminal of described power supply unit, the first input end with described smog sensing probe of the 3rd pin of described the 3rd Voltage stabilizing module is connected, the 2nd pin ground connection of described the 3rd Voltage stabilizing module, the output terminal of described smog sensing probe is connected with the signal input part of described signal processing unit, second input end of described smog sensing probe is connected with the output terminal of described power supply unit, the earth terminal ground connection of described smog sensing probe; Resistance R 16, resistance R 17, diode D10 and resistance R 15 are contacted successively, resistance R 16 1 ends are connected with the output terminal of described power supply unit, the input end of diode D10 is connected with the end of resistance R17, the output terminal of diode D10 respectively with an end of resistance R 15, the signal input part of signal processing unit connects, the other end ground connection of resistance R 15, the two ends of resistance R 16 also are connected to self check button S1, resistance R 16, resistance R 17, diode D10, resistance R 15 and self check button S1 constitute described self check subelement, one end of resistance R 8 is connected with the output terminal of described power supply unit, the other end of resistance R 8 respectively with an end of resistance R 9, one end of resistance R 10 connects, the other end ground connection of resistance R 9, the other end of resistance R 10 is connected with described signal processing unit.
3. mining smoke transducer according to claim 2, it is characterized in that, described signal processing unit comprises that model is first operational amplifier and second operational amplifier of LM358, diode D4, resistance R 3, voltage stabilizing diode D2, first triode, diode D8, first phase inverter, resistance R 6, first light emitting diode, second light emitting diode, resistance R 5, second phase inverter, the 3rd phase inverter, diode D3, resistance R 2, resistance R 11, resistance R 12, resistance R 13, resistance R 14, diode D9, capacitor C 5, resistance R 4, capacitor C 1, capacitor C 3, capacitor C 4, resistance R 1, resistance R 7, resistance R 22, diode D7, wherein:
The 2nd pin of first operational amplifier is connected with an end of resistance R 10, the 3rd pin of first operational amplifier respectively with resistance R 13, resistance R 12 connects, the other end of resistance R 13 is connected with the output terminal of described smog sensing probe, the other end ground connection of electricity R12, connect by resistance R 11 between the 2nd pin of first operational amplifier and the 1st pin, the 8th pin of first operational amplifier connects the 9V direct current, the 4th pin ground connection of first operational amplifier, the 1st pin of first operational amplifier is connected with the 5th pin of second operational amplifier, one end of the output terminal of diode D9 and resistance R 14 and connect the back be connected with the output terminal of described smog sensing probe, the other end of the input end of diode D9 and resistance R 14 and connect after respectively with the 6th pin of second operational amplifier, the positive pole of capacitor C 5 connects, the minus earth of resistance capacitance C5, the 7th pin of second operational amplifier is connected with the input end of diode D4, the output terminal of diode D4 respectively with an end of resistance R 3, one end of resistance R 4 connects, the other end ground connection of resistance R 4, the other end of resistance R 3 respectively with the output terminal of voltage stabilizing diode D2, the positive pole of capacitor C 3, the input end of diode D7 connects, the minus earth of capacitor C 3, the input end of voltage stabilizing diode D2 respectively with the base stage of first triode, the positive pole of capacitor C 1 connects, the minus earth of capacitor C 1, the collector of first triode respectively with an end of resistance R 1, the input end of diode D8, one end of resistance R 22 connects, the grounded emitter of first triode, the other end of resistance R 1 is connected with the output terminal of described power supply unit, the other end of resistance R 22 is connected with described signal output unit, the output terminal of diode D8 respectively with the input end of first phase inverter, the positive pole of capacitor C 4 connects, the minus earth of capacitor C 4, be connected by resistance R 7 between the input end of first phase inverter and the output terminal, the output terminal of first phase inverter is connected with the output terminal of first light emitting diode by resistance R 6, the input end of first light emitting diode respectively with the output terminal of diode D7, the output terminal of second light emitting diode, the output terminal of second phase inverter connects, the input end of second light emitting diode is connected with the output terminal of described power supply unit by resistance R 5, the input end of second phase inverter is connected with the output terminal of the 3rd phase inverter, the input end of the 3rd phase inverter respectively with the input end of diode D3, one end of resistance R 2, described signal output unit connects, the output terminal of diode D3 respectively with the output terminal of described power supply unit, described signal output unit connects, the other end of resistance R 2 respectively with the output terminal of described power supply unit, described signal output unit connects.
4. mining smoke transducer according to claim 3, it is characterized in that, described signal output unit comprises that resistance R 18, second triode, model are that photoelectrical coupler, resistance R 19, capacitor C 8, capacitor C 9, the model of 4N25 is first Voltage stabilizing module of 7530-1 and second Voltage stabilizing module, resistance R 20, capacitor C 10, capacitor C 11, capacitor C 2, diode D1, resistance R 21, wherein:
The base stage of second triode is connected with an end of resistance R 22, the collector of second triode is an end of resistance R 18 respectively, the 1st pin of photoelectrical coupler connects, the other end of resistance R 18 is connected with the output terminal of described power supply unit, the grounded emitter of second triode, the 2nd pin ground connection of photoelectrical coupler, the 5th pin of photoelectrical coupler respectively with an end of resistance R 19, one end of capacitor C 8, one end of capacitor C 9, the 1st pin of first Voltage stabilizing module connects, the other end of the other end of resistance R 19 and capacitor C 8 and connect the back be connected with the 3rd pin of first Voltage stabilizing module, the 2nd pin of first Voltage stabilizing module respectively with the other end of capacitor C 9, the input end of the 3rd phase inverter, the output terminal of diode D1, the positive pole of capacitor C 2, the 2nd pin of second Voltage stabilizing module, one end of capacitor C 11 connects, the input end of diode D1 is connected with the output terminal of described power supply unit, the minus earth of capacitor C 2, the 4th pin of photoelectrical coupler respectively with an end of resistance R 20, capacitor C 10 1 ends, the other end of capacitor C 11, the 1st pin of second Voltage stabilizing module, one end of resistance R 21 connects, the other end of resistance R 20 is connected with the 3rd pin of second Voltage stabilizing module with capacitor C 10 other ends and after connecing, and the other end of resistance R 21 is a signal output part.
5. mining smoke transducer according to claim 4 is characterized in that, described power supply unit comprises that model is 7809 the 4th Voltage stabilizing module, capacitor C 6 and capacitor C 7, wherein:
The 1st pin of the 4th Voltage stabilizing module is connected with the positive pole of 12～18V power supply, capacitor C 6 respectively, the minus earth of capacitor C 6, the 2nd pin ground connection of stabilized voltage supply, the 3rd pin of the 4th Voltage stabilizing module is connected the minus earth of capacitor C 7 with the 1st pin of the 3rd Voltage stabilizing module, second input end of smog sensing probe, an end of resistance R 16, an end of resistance R 8, an end of resistance R 1, an end of resistance R 18, an end of resistance R 5, an end of resistance R 2, the output terminal of diode D3, the input end of diode D1, the positive pole of capacitor C 7 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020575944 CN201837576U (en) | 2010-10-25 | 2010-10-25 | Mine smoke sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020575944 CN201837576U (en) | 2010-10-25 | 2010-10-25 | Mine smoke sensor |
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| CN201837576U true CN201837576U (en) | 2011-05-18 |
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| CN 201020575944 Expired - Fee Related CN201837576U (en) | 2010-10-25 | 2010-10-25 | Mine smoke sensor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968427A (en) * | 2010-10-25 | 2011-02-09 | 淮南润成科技有限公司 | Smoke sensor for mine |
| CN102287233A (en) * | 2011-05-25 | 2011-12-21 | 谢艳丽 | Smoke prewarning device for mines |
| CN102854224A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog sensor device |
| CN102854220A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog detection sensor |
| CN102852557A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Mining smoke sensor |
| CN102854218A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Gas-sensitive smog sensor |
| CN102854219A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog sensor |
| CN102866176A (en) * | 2012-08-31 | 2013-01-09 | 常熟市德虞矿山机电有限公司 | Gas-sensitive type smoke sensor for coal mine |
| CN102866177A (en) * | 2012-08-31 | 2013-01-09 | 常熟市德虞矿山机电有限公司 | Gas-sensitive type smoke sensor |
| CN103410567A (en) * | 2013-08-27 | 2013-11-27 | 天津华宁电子有限公司 | Mine smoke sensor with self-checking function |
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2010
- 2010-10-25 CN CN 201020575944 patent/CN201837576U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968427A (en) * | 2010-10-25 | 2011-02-09 | 淮南润成科技有限公司 | Smoke sensor for mine |
| CN101968427B (en) * | 2010-10-25 | 2013-04-17 | 淮南润成科技股份有限公司 | Smoke sensor for mine |
| CN102287233A (en) * | 2011-05-25 | 2011-12-21 | 谢艳丽 | Smoke prewarning device for mines |
| CN102854220A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog detection sensor |
| CN102852557A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Mining smoke sensor |
| CN102854218A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Gas-sensitive smog sensor |
| CN102854219A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog sensor |
| CN102866176A (en) * | 2012-08-31 | 2013-01-09 | 常熟市德虞矿山机电有限公司 | Gas-sensitive type smoke sensor for coal mine |
| CN102866177A (en) * | 2012-08-31 | 2013-01-09 | 常熟市德虞矿山机电有限公司 | Gas-sensitive type smoke sensor |
| CN102854224A (en) * | 2012-08-31 | 2013-01-02 | 常熟市德虞矿山机电有限公司 | Smog sensor device |
| CN102866177B (en) * | 2012-08-31 | 2014-03-26 | 常熟市德虞矿山机电有限公司 | Gas-sensitive type smoke sensor |
| CN102866176B (en) * | 2012-08-31 | 2014-03-26 | 常熟市德虞矿山机电有限公司 | Gas-sensitive type smoke sensor for coal mine |
| CN103410567A (en) * | 2013-08-27 | 2013-11-27 | 天津华宁电子有限公司 | Mine smoke sensor with self-checking function |
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