CN108399718A - A kind of coal mine downhole safety early warning system - Google Patents
A kind of coal mine downhole safety early warning system Download PDFInfo
- Publication number
- CN108399718A CN108399718A CN201810432505.3A CN201810432505A CN108399718A CN 108399718 A CN108399718 A CN 108399718A CN 201810432505 A CN201810432505 A CN 201810432505A CN 108399718 A CN108399718 A CN 108399718A
- Authority
- CN
- China
- Prior art keywords
- base station
- potentiometer
- resistor
- resistance
- sensor
- 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.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000003034 coal gas Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000005284 basis set Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses a kind of coal mine downhole safety early warning systems,Including underground base station and ground base station,The underground base station includes temperature sensor,Humidity sensor,Combustible gas sensor,Microcontroller,Air-blower control switchs,Audible-visual annunciator,Wind turbine,Definite transmission module,The ground base station includes network module and wireless transport module,Compared with prior art,The present invention passes through the temperature under the real-time monitoring well of temperature sensor,Humidity under humidity sensor monitoring well,Combustible gas sensor detects the combustable gas concentration of underground,When there are these three superscalar data situations,Automatic control of single chip microcomputer fan operation,And it is simultaneously emitted by sound-light alarm,Underground work personnel are reminded to pay attention to,Simultaneously,It is transmitted to ground base station by wire signal,Ground base station is alarmed by network to cloud monitoring center,Convenient for security monitoring,Reduce security risk,It has the value of popularization and application.
Description
Technical field
The present invention relates to a kind of coal mine downhole safety auxiliary device more particularly to a kind of coal mine downhole safety early warning systems.
Background technology
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Mine.When coal seam is remote from earth's surface, it is typically chosen to underground and digs tunnel digging coal, this is underground mine.When coal seam is away from earth's surface
Distance it is close when, be typically chosen directly stripping surface soil layer excavate coal, this is open coal mine.China's overwhelming majority coal mine category
In underground mine.In the prior art, it is directed to for downhole coal mine, underground easy tos produce fuel gas, hidden so as to cause safety
Suffer from, accordingly, there exist rooms for improvement.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of coal mine downhole safety early warning system.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes underground base station and ground base station, the underground base station include temperature sensor, humidity sensor, can
Combustion gas body sensor, microcontroller, air-blower control switch, audible-visual annunciator, wind turbine, definite transmission module, the ground base station packet
Include network module and wireless transport module, the temperature sensor, the humidity sensor and the combustible gas sensor
Signal output end is connect with the signal input part of the microcontroller, the alarm signal output ends of the microcontroller and the acousto-optic report
Alert device and air-blower control switch connection, the air-blower control switch are connected to the power control terminal of wind turbine, the microcontroller
Signal output end connect with the network module in the ground base station by the wire transmission module, the network module with
The wireless transport module connection.
Further, the combustible gas sensor by the first potentiometer, the second potentiometer, first resistor to 3rd resistor,
Coal gas detection head, light emitting diode and Shi Ji integrated chips are constituted.The first end of first potentiometer simultaneously with positive pole, first
The sliding end of potentiometer, the first end of coal gas detection head, the first end of fire end in coal gas detection head, when base integrated chip
Six pins, 3rd resistor first end, when base integrated chip the 4th connected with the 8th pin, the second end of the first potentiometer with
The first end of first resistor connects, the second end of first resistor while second with fire end in power cathode, coal gas detection head
End, the first end of the second potentiometer, the sliding end of the second potentiometer, the cathode of light emitting diode and Shi Ji integrated chips first
Pin connects, and the second end of the second potentiometer and the first end of second resistance connect, the second end of second resistance while and combustion gas
The second end of detector is connected with the second pin of Shi Ji integrated chips, the anode of light emitting diode simultaneously with 3rd resistor the
Two ends with when base integrated chip the 7th pin connect, when base integrated chip third pin connect with the microcontroller.
Further, the audible-visual annunciator and air-blower control switch are by the 4th resistance, the 5th resistance, light-emitting diodes
The control switch of pipe, relay, diode, voltage-stabiliser tube, capacitance and loud speaker composition, the relay is that the air-blower control is opened
It closes.The first end of 4th resistance simultaneously with positive pole, the first end of relay, the cathode of diode and the 5th resistance
First end connects, and the second end of first resistor and the cathode of light emitting diode connect, the anode while and power supply of light emitting diode
The first end company of cathode, the second end of relay, the anode of diode, the anode of voltage-stabiliser tube, the first end of capacitance and loud speaker
It connects, the second end of the 5th resistance is connect with the second end of the cathode of voltage-stabiliser tube, the second end of capacitance and loud speaker simultaneously.
The beneficial effects of the present invention are：
The present invention is a kind of coal mine downhole safety early warning system, and compared with prior art, the present invention passes through temperature sensor
Temperature under real-time monitoring well, the humidity under humidity sensor monitoring well, combustible gas sensor detect the fuel gas of underground
Concentration, when there are these three superscalar data situations, Automatic control of single chip microcomputer fan operation, and it is simultaneously emitted by sound-light alarm, it carries
Underground work personnel wake up note that simultaneously, ground base station is transmitted to by wire signal, during ground base station is monitored by network to cloud
The heart is alarmed, and security monitoring is convenient for, and is reduced security risk, is had the value of popularization and application.
Description of the drawings
Fig. 1 is the structural principle block diagram of the present invention；
Fig. 2 is the circuit diagram of the combustible gas sensor of the present invention；
Fig. 3 is the circuit diagram of the audible-visual annunciator and air-blower control switch of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1：The present invention includes underground base station and ground base station, and the underground base station includes temperature sensor, wet
Sensor, combustible gas sensor, microcontroller, air-blower control switch, audible-visual annunciator, wind turbine, definite transmission module are spent, it is described
Ground base station includes network module and wireless transport module, the temperature sensor, the humidity sensor and the combustible gas
The signal output end of body sensor is connect with the signal input part of the microcontroller, the alarm signal output ends of the microcontroller with
The audible-visual annunciator and air-blower control switch connection, the air-blower control switch are connected to the power control terminal of wind turbine,
The signal output end of the microcontroller is connect by the wire transmission module with the network module in the ground base station, described
Network module is connect with the wireless transport module.
Further, the combustible gas sensor is by the first potentiometer RP1, the second potentiometer RP2, first resistor R1 to
Three resistance R3, coal gas detection head Q, Light-emitting diode LED 1 and when basis set constituted at chip IC.The first end of first potentiometer RP1
Simultaneously with fire end in positive pole, the sliding end of the first potentiometer RP1, the first end of coal gas detection head Q, coal gas detection head Q
First end, when basis set at the 6th pin of chip IC, 3rd resistor R3 first end, when basis set at the 4th of chip IC the and
Eight pins connect, and the second end of the first potentiometer RP1 is connect with the first end of first resistor R1, and the second end of first resistor R1 is same
When with power cathode, the second end, the first end of the second potentiometer RP2 of fire end, the second potentiometer RP2 in coal gas detection head Q
Sliding end, Light-emitting diode LED cathode with when basis set connected at the first pin of chip IC, the of the second potentiometer RP2
Two ends are connect with the first end of second resistance R2, the second end of second resistance R2 simultaneously with the second end of coal gas detection head Q and when
Basis set is connected at the second pin of chip IC, the anode of Light-emitting diode LED 1 while second end and Shi Ji with 3rd resistor R3
The 7th pin of integrated chip IC connects, when basis set connect with the microcontroller at the third pin of chip IC.
Further, the audible-visual annunciator and air-blower control switch are by the 4th resistance R4, the 5th resistance R5, luminous two
Pole pipe LED2, relay K, diode D, voltage-stabiliser tube DW, capacitance C and loud speaker B compositions, the control switch of the relay K are
The air-blower control switch.The first end of the 4th resistance R4 simultaneously with positive pole, the first end of relay K, diode D
Cathode and the 5th resistance R5 first end connection, the second end of first resistor R1 connect with the cathode of Light-emitting diode LED 2,
Light-emitting diode LED 2 anode simultaneously with power cathode, the second end of relay K, the anode of diode D, voltage-stabiliser tube DW just
Pole, capacitance C first end connected with the first end of loud speaker B, the second end of the 5th resistance R5 simultaneously with the cathode of voltage-stabiliser tube DW,
The second end of capacitance C is connected with the second end of loud speaker B.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of coal mine downhole safety early warning system, it is characterised in that：Including underground base station and ground base station, the underground base station
Including temperature sensor, humidity sensor, combustible gas sensor, microcontroller, air-blower control switch, audible-visual annunciator, wind turbine,
Definite transmission module, the ground base station include network module and wireless transport module, and the temperature sensor, the humidity pass
The signal output end of sensor and the combustible gas sensor is connect with the signal input part of the microcontroller, the microcontroller
Alarm signal output ends are connected with the audible-visual annunciator and air-blower control switch, and the air-blower control switch is connected to wind
The signal output end of the power control terminal of machine, the microcontroller passes through the net in the wire transmission module and the ground base station
Network module connects, and the network module is connect with the wireless transport module.
2. coal mine downhole safety early warning system according to claim 1, it is characterised in that：The combustible gas sensor by
First potentiometer, the second potentiometer, first resistor to 3rd resistor, coal gas detection head, light emitting diode and Shi Ji integrated chips
It constitutes；The first end of first potentiometer simultaneously with positive pole, the sliding end of the first potentiometer, coal gas detection head first end,
The first end of fire end in coal gas detection head, when the 6th pin of base integrated chip, 3rd resistor first end, when basis set Cheng Xin
The 4th of piece connects with the 8th pin, and the first end of the second end of the first potentiometer and first resistor connects, and the of first resistor
Two ends simultaneously with the second end, the first end of the second potentiometer of fire end in power cathode, coal gas detection head, the second potentiometer
Sliding end, the cathode of light emitting diode are connected with the first pin of Shi Ji integrated chips, the second end of the second potentiometer and second
The first end of resistance connects, the second end of second resistance simultaneously with the second end of coal gas detection head and Shi Ji integrated chips second
Pin connects, and the anode of light emitting diode is connect with the 7th pin of the second end of 3rd resistor and Shi Ji integrated chips simultaneously,
When base integrated chip third pin connect with the microcontroller.
3. coal mine downhole safety early warning system according to claim 1, it is characterised in that：The audible-visual annunciator and described
Air-blower control is switched by the 4th resistance, the 5th resistance, light emitting diode, relay, diode, voltage-stabiliser tube, capacitance and loud speaker
The control of composition, the relay switchs for air-blower control switch, the first end of the 4th resistance while with power supply just
The first end connection of pole, the first end of relay, the cathode of diode and the 5th resistance, the second end of first resistor and luminous two
The cathode of pole pipe connects, the anode of light emitting diode simultaneously with power cathode, the second end of relay, diode it is positive, steady
The anode of pressure pipe, the first end of capacitance are connected with the first end of loud speaker, and the second end of the 5th resistance is negative with voltage-stabiliser tube simultaneously
Pole, the second end of capacitance are connected with the second end of loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432505.3A CN108399718A (en) | 2018-05-08 | 2018-05-08 | A kind of coal mine downhole safety early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432505.3A CN108399718A (en) | 2018-05-08 | 2018-05-08 | A kind of coal mine downhole safety early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108399718A true CN108399718A (en) | 2018-08-14 |
Family
ID=63101722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432505.3A Pending CN108399718A (en) | 2018-05-08 | 2018-05-08 | A kind of coal mine downhole safety early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108399718A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781793A (en) * | 2019-03-13 | 2019-05-21 | 商洛学院 | A kind of toxic gas detector based on Internet of Things |
| CN110685750A (en) * | 2019-10-23 | 2020-01-14 | 陕西煤业化工技术研究院有限责任公司 | Mine disaster megaevent monitoring and early warning system and method |
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| WO2017101231A1 (en) * | 2015-12-18 | 2017-06-22 | 深圳市中孚能电气设备有限公司 | Portable power circuit for lamp and lamp |
| CN208208067U (en) * | 2018-05-08 | 2018-12-07 | 西安科技大学 | A kind of coal mine downhole safety early warning system |
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2018
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104537807A (en) * | 2014-12-30 | 2015-04-22 | 周芸 | Smoke alarming device for combustible gas leakage |
| CN204552830U (en) * | 2015-04-17 | 2015-08-12 | 济宁矿业集团花园井田资源开发有限公司 | A kind of safety in production monitoring based on colliery mobile network and dispatching patcher |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781793A (en) * | 2019-03-13 | 2019-05-21 | 商洛学院 | A kind of toxic gas detector based on Internet of Things |
| CN110685750A (en) * | 2019-10-23 | 2020-01-14 | 陕西煤业化工技术研究院有限责任公司 | Mine disaster megaevent monitoring and early warning system and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |