CN206737953U - A kind of mine gas monitors combined control equipment - Google Patents
A kind of mine gas monitors combined control equipment Download PDFInfo
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- CN206737953U CN206737953U CN201720490578.9U CN201720490578U CN206737953U CN 206737953 U CN206737953 U CN 206737953U CN 201720490578 U CN201720490578 U CN 201720490578U CN 206737953 U CN206737953 U CN 206737953U
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- module
- mine
- master controller
- downhole monitoring
- control equipment
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Abstract
The utility model discloses a kind of mine gas to monitor combined control equipment, including ground main website, ground host exchange, fiber optical transceiver, loop ethernet, the explosion-proof network switch, multiple downhole monitoring substations, multiple downhole monitoring substations are evenly distributed under mine, the input of each downhole monitoring substation is connected with signal acquisition module, the output end of each downhole monitoring substation is connected by frequency converter with blower fan, each downhole monitoring substation is connected with the explosion-proof network switch, the explosion-proof network switch is connected with fiber optical transceiver, fiber optical transceiver is connected through ground host exchange with ground main website.Gas density and air circulation situation in the real-time monitoring mine of firedamp sensor and air velocity transducer of the present utility model, ensure the air quality of mine worker, start the scheme simple possible of fan dilution gas density, reduce the probability of mine personnel injures and deaths, temperature in the real-time monitoring mine of temperature sensor, further reduce the probability of happening of mine accident.
Description
Technical field
Mine safety field is the utility model is related to, more particularly to a kind of mine gas monitoring combined control equipment.
Background technology
When cutting coal, there is substantial amounts of pernicious gas to overflow, wherein coal mine gas accounts for significant proportion.Coal mine gas exists more
Kind potential safety hazard, first gas pollution air, secondly gas density, which improves chance fire, can cause large-scale blast, due to colliery
Underworkings is narrow, and in the event of gas explosion, the fire spreads quickly can not only cause equipment to damage, and Coal Mine Subsidence is more important
Be that can bring substantial amounts of casualties.
At present, domestic gas-monitoring turn into one it is very urgent the problem of, be badly in need of people and go to solve, nowadays monitor gas
System is slowly among popularization, but these systems and equipment are only merely that parameter is monitored, not these
Sampling fully uses.When monitoring system monitors gas and other site environment abnormal parameters, it is not given to pre-
Alert or warning, therefore cause gas explosion, while damaged many staff, how comprehensive monitoring mine environmental parameter
And the problem of becoming one using these parameters and can not be ignored.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model offer one kind is simple in construction, cost is low, security is good, measurement
Accurate mine gas monitoring combined control equipment.
The technical scheme that the utility model solves the above problems is：A kind of mine gas monitors combined control equipment, including ground
Main website, ground host exchange, fiber optical transceiver, loop ethernet, the explosion-proof network switch, multiple downhole monitoring substations, it is multiple
Downhole monitoring substation is evenly distributed under mine, the input of each downhole monitoring substation with a letter being arranged in mine
Number acquisition module is connected, and the output end of each downhole monitoring substation is connected by a frequency converter with blower fan, each downhole monitoring
Substation is connected with being installed on the explosion-proof network switch of underground, and the explosion-proof network switch is through loop ethernet and is arranged on ground
On fiber optical transceiver be connected, reception signal is unified by fiber optical transceiver, fiber optical transceiver is through ground host exchange and ground master
Stand connection.
Above-mentioned mine gas monitors combined control equipment, and the downhole monitoring substation includes frequency/switching input module, simulation
Measure input module, master controller, CAN, RS485 modules, display module and memory module, the frequency/switching value
The output end of input module is connected with master controller, the input of Analog input mModule and the output end phase of signal acquisition module
Even, the output end of Analog input mModule is connected with master controller, and master controller is connected through RS485 modules with frequency converter, display
Module, memory module are connected with master controller, and master controller is connected by CAN with the explosion-proof network switch.
Above-mentioned mine gas monitors combined control equipment, and the downhole monitoring substation also includes alarm module, alarm module and master
Controller is connected.
Above-mentioned mine gas monitors combined control equipment, and the downhole monitoring substation also includes reseting module and clock module, multiple
Position module, clock module are connected with master controller.
Above-mentioned mine gas monitors combined control equipment, the signal acquisition module include firedamp sensor, temperature sensor and
Air velocity transducer, the input of firedamp sensor, temperature sensor, the signal output part of air velocity transducer and Analog input mModule
End is connected.
Above-mentioned mine gas monitors combined control equipment, and the master controller uses MSP430F149 type single-chip microcomputers.
The beneficial effects of the utility model are：Firedamp sensor and air velocity transducer of the present utility model monitor ore deposit in real time
Gas density and air circulation situation in well, master controller are pre- by the live gas density collected and default concentration
Measured value is compared and judged, giving the different degrees of rotating speed of fan according to judged result master controller controls, and ensures mine work
The air quality of people, start the scheme simple possible of fan dilution gas density, reduce the probability of mine personnel injures and deaths, effectively
Ground protects worker, the temperature in the real-time monitoring mine of temperature sensor, further reduces the probability of happening of mine accident；Master control
Device processed sends a signal to display module and warning device, and display module and warning device carry out data and show and provide corresponding alert
Show, while the data in corresponding dissipation gas supervisory substation in coal mining are transported to the explosion-proof network switch by master controller by CAN,
Sent by loop ethernet to ground main website.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is SCM peripheral circuit of the present utility model.
Fig. 3 is the circuit diagram of memory module in Fig. 1.
Fig. 4 is the circuit diagram of clock module in Fig. 1.
Fig. 5 is the circuit diagram of reseting module in Fig. 1.
Fig. 6 is the circuit diagram of Analog input mModule in Fig. 1.
Fig. 7 is the circuit diagram of frequency/switching input module in Fig. 1.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of mine gas monitoring combined control equipment, including ground main website, ground host exchange, optical fiber transceiving
Device, loop ethernet, the explosion-proof network switch, multiple downhole monitoring substations, multiple downhole monitoring substations are evenly distributed on mine
Under, the input of each downhole monitoring substation is connected with a signal acquisition module being arranged in mine, each underground prison
The output end of control substation is connected by a frequency converter with blower fan, explosion-proof net of each downhole monitoring substation with being installed on underground
Network interchanger is connected, and the explosion-proof network switch is connected through fiber optical transceiver of the loop ethernet with setting on the ground, by optical fiber
Transceiver unifies reception signal, and fiber optical transceiver is connected through ground host exchange with ground main website.
The downhole monitoring substation includes frequency/switching input module, Analog input mModule, master controller, CAN and led to
Believe module, RS485 modules, alarm module, reseting module, clock module, display module and memory module, master controller uses
MSP430F149 type single-chip microcomputers, the output end of the frequency/switching input module are connected with master controller, analog input mould
The input of block is connected with the output end of signal acquisition module, and the output end of Analog input mModule is connected with master controller, main
Controller is connected through RS485 modules with frequency converter, alarm module, reseting module, clock module, display module, memory module with
Master controller is connected, and master controller is connected by CAN with the explosion-proof network switch.
The signal acquisition module includes firedamp sensor, temperature sensor and air velocity transducer, firedamp sensor, temperature
Sensor, the signal output part of air velocity transducer are connected with the input of Analog input mModule.
Operation principle of the present utility model：Firedamp sensor, temperature sensor and the wind speed of each downhole monitoring substation pass
Gas density, temperature and air passage rates in sensor collection mine, the data of collection are sent by Analog input mModule
To master controller, the predicted value of the live gas density collected and default concentration is compared and sentenced by master controller
It is disconnected, and display module and warning device are sent a signal to, display module and warning device carry out data and show and provide corresponding
Warning, differentiation result here are divided into three classes：Normally, it is slight and dangerous, give wind according to the different master controllers for differentiating result
Fan different degrees of rotating speed control；Data in this downhole monitoring substation are transported to explosion-proof network exchange by CAN
Machine, sent by loop ethernet to ground；Finally, the environmental parameter signals such as gas density of underground dividing by ground main website
Analysis and processing, real-time display.
Connect as shown in Fig. 2 the utility model chooses MSP430F149 single-chip microcomputers as master controller, DVCC mouths and AVCC mouths
Power supply 3.3V simultaneously respectively meets electric capacity C1, C2, meanwhile, electric capacity, which is connected to the ground, plays filtering；RST mouths connect reset circuit；XT2OUT
Mouth and XT2IN mouths, XIN mouths and XOUT mouths connect crystal oscillator composition clock circuit respectively；P6.0-P6.7 as general digital I/O mouths and
Simulation input mouth.
As shown in figure 3, the utility model chooses acp chip of the K9F2808UOC chips as memory module, IO0-IO7
End connects 8 bit data bus respectively；Pin 12 is connected with pin 37 meets power supply VCC jointly；Pin 13 is connected ground connection with pin 36；Draw
Pin 19 and pin 6 are distinguished connecting resistance R3 and R4 and are grounded, and the lead-out wire connecting resistance R2 of pin 19 simultaneously meets power vd D.
As shown in figure 4, clock module of the present utility model is by crystal oscillator, resistance and electric capacity composition；The utility model
The crystal oscillator XAL1 of selection is 18.431MHz, and crystal oscillator XAL2 is 32.768KHZ；Slow clock is outer attached device caused by master controller
It is connected on clock, or master controller disconnects clock, reduces system power dissipation.
As shown in figure 5, the utility model chooses core of the MAX811 chips as reseting module, the termination power of pin 4 one
VCC, a termination capacitor one end, the electric capacity other end and the common ground of pin 1；Pin 3 meets RST and is grounded；The connecting resistance of pin 2 simultaneously connects
Receive reset signal；During system reset, after power good, after the reset signal from 2 pins keeps the low level of a period of time, so
After cancel the reset signal.
As shown in fig. 6, Analog input mModule of the present utility model provides the collection of two-way analog signal, resistance R2 and
The electric current of two-way is changed into voltage by resistance R4 respectively；Pressure-sensitive diode D1 and D2 protect master controller；Macromolecular thermosensitive resistor
RT1, RT2, RT3 play fuse, the resistance relation directly proportional to current strength, prevent damage of the high current to electricity piece
Ruin, serve the effect of overcurrent protection.
As shown in fig. 7, the utility model, which chooses 6N137 high speed photo couplings, carries out Phototube Coupling, for the height of sensor transmission
Frequency signal is isolated, meanwhile, electrical isolation performance is excellent.
Claims (6)
1. a kind of mine gas monitors combined control equipment, it is characterised in that：Including ground main website, ground host exchange, optical fiber transceiving
Device, loop ethernet, the explosion-proof network switch, multiple downhole monitoring substations, multiple downhole monitoring substations are evenly distributed on mine
Under, the input of each downhole monitoring substation is connected with a signal acquisition module being arranged in mine, each underground prison
The output end of control substation is connected by a frequency converter with blower fan, explosion-proof net of each downhole monitoring substation with being installed on underground
Network interchanger is connected, and the explosion-proof network switch is connected through fiber optical transceiver of the loop ethernet with setting on the ground, by optical fiber
Transceiver unifies reception signal, and fiber optical transceiver is connected through ground host exchange with ground main website.
2. mine gas according to claim 1 monitors combined control equipment, it is characterised in that：The downhole monitoring substation includes
Frequency switching amount input module, Analog input mModule, master controller, CAN, RS485 modules, display module and deposit
Store up module, the output end of the frequency switching amount input module is connected with master controller, the input of Analog input mModule and
The output end of signal acquisition module is connected, and the output end of Analog input mModule is connected with master controller, and master controller is through RS485
Module is connected with frequency converter, and display module, memory module are connected with master controller, and master controller is by CAN with preventing
The quick-fried network switch is connected.
3. mine gas according to claim 2 monitors combined control equipment, it is characterised in that：The downhole monitoring substation also wraps
Include alarm module, alarm module is connected with master controller.
4. mine gas according to claim 2 monitors combined control equipment, it is characterised in that：The downhole monitoring substation also wraps
Reseting module and clock module are included, reseting module, clock module are connected with master controller.
5. mine gas according to claim 2 monitors combined control equipment, it is characterised in that：The signal acquisition module includes
Firedamp sensor, temperature sensor and air velocity transducer, firedamp sensor, temperature sensor, the signal output of air velocity transducer
End is connected with the input of Analog input mModule.
6. mine gas according to claim 2 monitors combined control equipment, it is characterised in that：The master controller uses
MSP430F149 type single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490578.9U CN206737953U (en) | 2017-05-05 | 2017-05-05 | A kind of mine gas monitors combined control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490578.9U CN206737953U (en) | 2017-05-05 | 2017-05-05 | A kind of mine gas monitors combined control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206737953U true CN206737953U (en) | 2017-12-12 |
Family
ID=60563862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720490578.9U Expired - Fee Related CN206737953U (en) | 2017-05-05 | 2017-05-05 | A kind of mine gas monitors combined control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206737953U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404321A (en) * | 2018-11-22 | 2019-03-01 | 山西潞安安易电气有限公司 | Quo of local Fan for Mine three-level intelligence joint control system |
| CN112422884A (en) * | 2019-08-22 | 2021-02-26 | 上海铸橙系统集成有限公司 | Explosion-proof monitoring system |
| CN112947429A (en) * | 2021-02-02 | 2021-06-11 | 安徽理工大学 | Underground movable video monitoring system |
-
2017
- 2017-05-05 CN CN201720490578.9U patent/CN206737953U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404321A (en) * | 2018-11-22 | 2019-03-01 | 山西潞安安易电气有限公司 | Quo of local Fan for Mine three-level intelligence joint control system |
| CN112422884A (en) * | 2019-08-22 | 2021-02-26 | 上海铸橙系统集成有限公司 | Explosion-proof monitoring system |
| CN112947429A (en) * | 2021-02-02 | 2021-06-11 | 安徽理工大学 | Underground movable video monitoring system |
| CN112947429B (en) * | 2021-02-02 | 2024-05-14 | 安徽理工大学 | Underground movable video monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20190505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |