CN205540201U - Mining intelligent ventilation control device - Google Patents
Mining intelligent ventilation control device Download PDFInfo
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- CN205540201U CN205540201U CN201620260915.0U CN201620260915U CN205540201U CN 205540201 U CN205540201 U CN 205540201U CN 201620260915 U CN201620260915 U CN 201620260915U CN 205540201 U CN205540201 U CN 205540201U
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Abstract
The utility model provides a mining intelligent ventilation control device, it includes mining dual supply vacuum feed switch, but mining NULL programming control case, flame proof converter for the fan, the flame -proof type ventilation blower, lane feed switch digs, but mining NULL programming control case is equipped with the PLC controller, touch man -machine interface display screen, this ampere of power, a switch power supply, keep apart the module, audible -visual annunciator, the pronunciation unit of talkbacking, converter man -machine interface display screen, and converter programming flame proof button, the fan use flame proof converter, flame -proof type ventilation blower be two sets, one of them cover is reserve, the device can solve the headwork face because of blow, carbon monoxide content are too high, coal dust content exceeds standard, causes potential safety hazard problems such as gas, coal dust explosion, carbon monoxide poisoning easily effectively, and dual supply, bi -pass fan system configuration, moves safelyr, reliable.
Description
Technical field
This utility model relates to mine safety preventer, is specially a kind of mining intelligent ventilation controller.
Background technology
At present, mine down-hole driving face both domestic and external all uses the mode of local ventilation, to driving face air feed, along with the continuous extension in tunnel, work surface is constantly gushed out the harmful gas such as gas, CO, adopt cause substantial amounts of coal dust plus mechanical coal mining, big gun, have a strong impact on the physical and mental health of colliery workmen, exceeding standard of gas bearing capacity, transfiniting of Dust Concentration, there are generation gas explosion and the danger of coal-dust explosion in moment, brings serious threat to safety in production.The gas explosion accident of China's coal-mine generation in recent years more than 40, accidents caused immediate cause is exactly air feed problem；Additionally coal-dust explosion happens occasionally, and the coal-dust explosion together that colliery, Benxi occurs most serious of all, direct the dead reaches more than 1500 people, causes hundreds of people to disable simultaneously, brings serious loss to the lives and properties of people.Therefore country increases the dynamics of gas, coal dust control, also steps up its investment in colliery.Highly gassy mine typically uses and first takes out the mode of production dug afterwards, but the fall of ground that composite factor causes, make outburst coal mass；The pressure of work surface outlet is concentrated, and also accelerates gushing out of rib gas.Gas is gushed out the most suddenly, the most hard to guard against, is also one of potential safety hazard causing gas explosion；Tunnel blowing-out and air quantity are under-supply, make face gas content increase, transfinite, and are the two of the immediate cause causing gas explosion.So, the integrated management how strengthening harmful gas such as ventilating management, gas administration, coal dust and carbon monoxide is the place of the key stopping gas explosion, coal-dust explosion, carbon monoxide poisoning.
Develop one and ensure mining ventilation and safety, adapt to the intelligent detection monitoring ventilating system that mine ventilation runs, be current mine ventilation, gas control, coal dust control, reduce and reduce the another key subjects of mine disaster.
Summary of the invention
For solving the technical problem of above-mentioned existence, this utility model provides the most intelligent a kind of Local Ventilation Equipment in Coal Mine detection supervising device, it can efficiently solve driving face because Gas Outburst, carbon monoxide content are too high, Dust Concentration exceeds standard, easily cause the security hidden troubles such as gas, coal-dust explosion, carbon monoxide poisoning, and dual power supply, bilateral blower fan system are arranged, run more safe and reliable.
For reaching above-mentioned purpose, this utility model be the technical scheme is that
A kind of mining intelligent ventilation controller, it includes mine double-power vacuum feed switch, mine explosion-suppression and intrinsic safety type PLC technology case, blower fan explosion-proof frequency converter, flame-proof type ventilation blower, pick lane feeding switch；Mine explosion-suppression and intrinsic safety type PLC technology case is provided with PLC, touch screen display screen, intrinsic safety electric source, Switching Power Supply, isolation module, audible-visual annunciator, speech talkback unit, converter man machine interface display screen and converter programming flame proof key-press；Control chamber is powered by dual power supply feeding switch, powered to intrinsic safety electric source by transformator, intrinsic safety electric source provides power supply to PLC, touch screen display screen internal relay, PLC is connected with external sensor, described sensor includes wind speed, gas, carbon monoxide, dust sensor, and PLC is connected with pick lane feeding switch, blower fan explosion-proof frequency converter, touch screen display screen, isolation module, audible-visual annunciator, speech talkback unit respectively；Converter man machine interface display screen is connected with converter programming flame proof key-press circuit, explosion-proof frequency converter respectively；Ventilation blower is connected with explosion-proof frequency converter, and described blower fan explosion-proof frequency converter, flame-proof type ventilation blower are two sets, the most a set of for standby, and described mine explosion-suppression and intrinsic safety type PLC technology case is a set of, connects respectively and controls a preparation and a use frequency conversion ventilator.
Described mine double-power vacuum feed switch is by two-way electric power incoming line and multiple power supplies output lead, and electric power incoming line is divided into: a road is main power source, is connected with main power source, and a road is stand-by power supply, is connected with stand-by power supply.
Described converter man machine interface display screen is two and connects with corresponding blower fan explosion-proof frequency converter respectively.
Described control chamber is also connected with mine systems or by optical fiber, intellectuality ventilation data is uploaded ground maneuvers Shi Deng control centre.
Described pick lane feeding switch is by PLC Based Intelligent Control, and when converter is not actuated, pick lane feeding switch is closed, after converter runs, and pick lane feeding switch delayed start-up.
The touch screen display screen 5 of described mine explosion-suppression and intrinsic safety type PLC technology case 2 and the service data of converter man machine interface 8 simultaneous display converter, when PLC breaks down and cannot intelligently control, the power supply knob on control chamber can be disconnected, carry out the program setting of converter by the converter man machine interface on control chamber and flame proof key-press or manually regulate the running frequency of converter, it is ensured that the normal air feed of system.
The beneficial effects of the utility model are:
Mine double-power vacuum feed switch is connected with dual power supply, and when main power source has a power failure, inside can automatically switch to stand-by power supply, it is ensured that decorum normal power supply；The PLC logic control controlled by Flameproof and intrinsically safe PLC technology case between flame proof frequency-conversion ventilating system and standby flame proof frequency-conversion ventilating system, mutually locking, i.e. when running with flame proof frequency-conversion ventilating system, tap any button of converter in standby flame proof frequency-conversion ventilating system and all can not start standby flame proof frequency-conversion ventilating system；When with flame proof frequency-conversion ventilating system break down shutdown time; internal PLC can automatically switch to standby flame proof frequency-conversion ventilating system; the data signal of external sensor collection is simultaneously switching to standby flame proof ventilating system; realize the automatic switchover of a preparation and a use; the normal air feed of guarantee system; reduce the gathering of harmful gas, effectively prevent the generation of gas, dust explosion；
The data signal of various kinds of sensors collection is input to PLC by the I/O unit of the intrinsic safety wire connection cavity internal wiring end of Flameproof and intrinsically safe PLC technology case and carries out Data Analysis Services, then control signal is inputted explosion-proof frequency converter by the interface of explosion insulation connecting line cavity, realize mine laneway local ventilation is automatically controlled by the frequency changing converter, prevent tunnel gas density, dust concentration, carbonomonoxide concentration from transfiniting, the purpose of the mine safety that reaches to prevent and reduce natural disasters, ensure；
Described mine flameproof and intrinsic safety type PLC technology case is additionally provided with sound and light alarm, speech talkback, data upload function, when the sensor being arranged on driving face detects that gas, dust, carbonomonoxide concentration exceed setting value, alarm discontinuously sends " gas exceeding limit ", " dust transfinites ", the voice message of " carbon monoxide transfinites ", and light emitting diode redness flashes；When there is equipment fault, field service personnel reports the developments with ground maneuvers room by pressing the intercom push key on control chamber, and transmission means is optical fiber or grid-connected with mine systems is connected；Mine flameproof and intrinsic safety type PLC technology case grid-connected with mine systems can be connected or by optical fiber, intellectuality ventilation data be uploaded ground maneuvers room, observes down-hole service data and running status by the giant-screen in control room.
Accompanying drawing explanation
Fig. 1 is this utility model structural principle schematic diagram.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.When explained below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with this utility model.On the contrary, they only with describe in detail in appended claims, the example of device consistent in terms of more of the present utility model.
A kind of mining intelligent ventilation controller as shown in drawings, it includes mine double-power vacuum feed switch 1, mine explosion-suppression and intrinsic safety type PLC technology case 2, blower fan explosion-proof frequency converter 3, flame-proof type ventilation blower 4,, pick lane feeding switch 15, mine explosion-suppression and intrinsic safety type PLC technology case 2 is provided with PLC, touch screen display screen 5, audible-visual annunciator 6, speech talkback unit 7, converter man machine interface display screen 8 and converter programming flame proof key-press；PLC within control chamber 2 is powered by intrinsic safety electric source, PLC is connected with external sensor, described sensor includes air velocity transducer 9, firedamp sensor 10, carbon monoxide transducer 11, dust sensor 12, PLC respectively with pick lane feeding switch 15, blower fan explosion-proof frequency converter 3, touch screen display screen 5, audible-visual annunciator 6, speech talkback unit 7 connects, converter man machine interface display screen 8 programs flame proof key-press circuit with converter respectively, explosion-proof frequency converter 3 connects, ventilation blower 4 is connected with explosion-proof frequency converter 3, described blower fan explosion-proof frequency converter 3, flame-proof type ventilation blower 4 is two sets, the most a set of for standby.
Described mine double-power vacuum feed switch 1 is by two-way electric power incoming line and multiple power supplies output lead, electric power incoming line is divided into: a road for being connected with main power source 13, a road is for be connected with stand-by power supply 14, when main power source has a power failure, inside can automatically switch to stand-by power supply, it is ensured that decorum normal power supply；Native system uses power supply output line be and ter road uses that a road is accessed with the power inleting terminal of explosion-proof frequency converter, and the power inleting terminal of standby explosion-proof frequency converter, the 3rd tunnel access PLC technology case 2 are accessed in another road；The power output end of blower fan explosion-proof frequency converter accesses flame-proof type booster, and blower fan explosion-proof frequency converter 3 and flame-proof type booster 4 form variable-frequency ventilation equipment.Two-way variable-frequency ventilation equipment used in parallel couples composition the using and the reserved ventilating system by middle mine explosion-suppression and intrinsic safety type PLC technology case 2 respectively.
Described converter man machine interface display screen 8 is two, connects with corresponding blower fan explosion-proof frequency converter respectively.
Described control chamber 2 is also grid-connected with mine systems to be connected or by optical fiber, intellectuality ventilation data is uploaded ground maneuvers Shi Deng control centre.
Described pick lane feeding switch 15 is by PLC Based Intelligent Control, and with variable-frequency ventilation equipment asynchronous operation, when variable-frequency ventilation equipment is not actuated, pick lane feeding switch 15 is closed, after variable-frequency ventilation equipment runs, and pick lane feeding switch 15 delayed start-up.
The data signal that above-mentioned various kinds of sensors gathers is by the I/0 modular unit input programmable logic controller (PLC) PLC in mine explosion-suppression and intrinsic safety type PLC technology case 2, control signal is accessed explosion-proof frequency converter 3 after collection data being processed and carries out frequency control by PLC, realizes being automatically adjusted of wind supply quantity size by changing the rotating speed of blower fan.When fire damp concentration of gushing out suddenly transfinites, and when dust concentration transfinites, concentration transfinites, system will be automatically adjusted rotating speed, stronger ventilation amount, by the concentration dilution of harmful gas to secure setting, play the purpose prevented and reduced natural disasters.After harmful gas concentration is diluted to setting value, frequency conversion speed-adjusting system is by initially setting up data run, when one of them sensor experiences failure, system identifies automatically, sending alarm signal, man machine interface trouble light flashes, and sensor signal corresponding to system will be run by initially setting up frequency data；When all sensors breaks down or the shielding line of sensor is pounded disconnected, system presses power frequency operation.
The touch screen display screen 5 of described mine explosion-suppression and intrinsic safety type PLC technology case 2 and the service data of converter man machine interface 8 simultaneous display converter, when PLC breaks down and cannot intelligently control, the power supply knob on control chamber can be disconnected, carry out the program setting of converter by the converter man machine interface on control chamber and flame proof key-press or manually regulate the running frequency of converter, it is ensured that the normal air feed of system.
In described mine explosion-suppression and intrinsic safety type PLC technology case 2, logic controller PLC's remotely controls in link I/O, after setting program periodic cycle is scanned by the CPU element of PLC, it is responsible for the processor of communication with PLC and gives Gas Signal priority in gas corresponding to I/0 unit, carbon monoxide, dust signal data.When in tunnel and when the gas that is distributed of development end, carbon monoxide, the data signal of dust sensor collection all transfinite, priority treatment Gas Signal, incoming for instruction variable-frequency ventilation equipment is carried out speed governing by PLC, stronger ventilation amount, after being diluted to setting value, reprocess CO signals, by that analogy.
Above-described this utility model embodiment, is not intended that the restriction to this utility model protection domain.Any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (3)
1. a mining intelligent ventilation controller, it is characterized in that: it includes mine double-power vacuum feed switch, mine explosion-suppression and intrinsic safety type PLC technology case, blower fan explosion-proof frequency converter, flame-proof type ventilation blower, pick lane feeding switch, mine explosion-suppression and intrinsic safety type PLC technology case is provided with PLC, touch screen display screen, intrinsic safety electric source, Switching Power Supply, isolation module, audible-visual annunciator, speech talkback unit, converter man machine interface display screen and converter programming flame proof key-press；PLC within control chamber is accessed high voltage power supply by dual power supply feeding switch, by powering to intrinsic safety electric source after transformer pressure-reducing, intrinsic safety electric source provides low-tension supply to PLC, touch screen display screen, PLC is connected with external sensor, and described sensor includes wind speed, gas, carbon monoxide, dust sensor；PLC is connected with pick lane feeding switch, blower fan explosion-proof frequency converter, touch screen display screen, audible-visual annunciator, speech talkback unit respectively；Converter man machine interface display screen is connected with converter programming flame proof key-press, explosion-proof frequency converter respectively；Ventilation blower is connected with explosion-proof frequency converter, and described blower fan explosion-proof frequency converter, flame-proof type ventilation blower are two sets, the most a set of for standby.
Mining intelligent ventilation controller the most according to claim 1, it is characterized in that: described mine double-power vacuum feed switch is by two-way electric power incoming line and multiple power supplies output lead, and electric power incoming line is divided into: a road is main power source, is connected with main power source, one tunnel is stand-by power supply, is connected with stand-by power supply.
Mining intelligent ventilation controller the most according to claim 1, is characterized in that: described converter man machine interface display screen is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260915.0U CN205540201U (en) | 2016-03-31 | 2016-03-31 | Mining intelligent ventilation control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260915.0U CN205540201U (en) | 2016-03-31 | 2016-03-31 | Mining intelligent ventilation control device |
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| CN205540201U true CN205540201U (en) | 2016-08-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218244A (en) * | 2017-07-28 | 2017-09-29 | 淮南阿兰维斯特电器有限公司 | A kind of ventilation blower monitoring system |
| CN108590765A (en) * | 2018-03-26 | 2018-09-28 | 山东大学 | Ventilation intelligent monitor system and method suitable for the tunneling and underground engineering construction time |
| CN110185648A (en) * | 2019-07-09 | 2019-08-30 | 新疆工程学院 | A kind of blower fan control system |
| CN113565500A (en) * | 2021-07-01 | 2021-10-29 | 中国煤炭科工集团太原研究院有限公司 | Intelligent control dust removal system for coal mine and control method thereof |
-
2016
- 2016-03-31 CN CN201620260915.0U patent/CN205540201U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218244A (en) * | 2017-07-28 | 2017-09-29 | 淮南阿兰维斯特电器有限公司 | A kind of ventilation blower monitoring system |
| CN108590765A (en) * | 2018-03-26 | 2018-09-28 | 山东大学 | Ventilation intelligent monitor system and method suitable for the tunneling and underground engineering construction time |
| CN110185648A (en) * | 2019-07-09 | 2019-08-30 | 新疆工程学院 | A kind of blower fan control system |
| CN113565500A (en) * | 2021-07-01 | 2021-10-29 | 中国煤炭科工集团太原研究院有限公司 | Intelligent control dust removal system for coal mine and control method thereof |
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