CN105275488A - Mine auxiliary ventilation control system and mine auxiliary ventilation method - Google Patents
Mine auxiliary ventilation control system and mine auxiliary ventilation method Download PDFInfo
- Publication number
- CN105275488A CN105275488A CN201510721290.3A CN201510721290A CN105275488A CN 105275488 A CN105275488 A CN 105275488A CN 201510721290 A CN201510721290 A CN 201510721290A CN 105275488 A CN105275488 A CN 105275488A
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- Prior art keywords
- relay
- plc
- air door
- signal
- control box
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Classifications
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- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
- E21F1/12—Devices for automatically opening air doors
Abstract
The invention provides a technical scheme of a mine auxiliary ventilation control system. The mine auxiliary ventilation control system comprises a main control platform, a fan main control cabinet PLC (programmable logic controller) and an air rod pulling ventilation door, and is characterized in that the main control platform is connected with the fan main control cabinet PLC, the fan main control cabinet PLC is connected with a ventilation door electric control box PLC, and the ventilation door electric control box PLC is connected with an air cylinder. According to the scheme provided by the invention, a return air detour ventilation door can be opened automatically when an underground auxiliary ventilator stops operating due to certain reasons so as to carry out all negative pressure ventilation, thereby ensuring the life safety of miners.
Description
Technical field
What the present invention relates to is a kind of secondary ventilation control system and aeration control method of Air Throttle in Mine Pit, realize down-hole auxiliary ventilator (also known as " auxiliary fan ") when shutting down for some reason, automatically can open the return air air door that detours and carry out full exhaust ventilation, simultaneously, on the basis realizing ventilation automatic control system under emergency rating, in conjunction with safety monitoring device and the tight control measures of mine, guaranteeing the operation of underground fan unmanned technical system, is an important component part of the intellectualized management system realizing mine ventilation system.
Background technology
In the prior art, known technology be due to coal mine ventilation system hidden danger not only serious threat the safety and Health of underground work personnel, the downhole safety also affecting coal mining enterprise is produced and society stable.For realizing quick, healthy, the sustainable development of business economic, safeguarding miner's occupational safety and health and social stability, must the ventilation system hidden danger produced in manufacturing process be administered.For miner creates a good working environment, for the atmosphere of a safety in production is built by enterprise.In addition, coal mine working field condition is severe, rate of breakdown is higher, once break down, significant impact will be caused to the production and safety of whole mining area, so be necessary the Automatic monitoring systems setting up a set of perfect in shape and function, all there is following problem in this type of automation control system at present: system is too simple, Partial key parameter (as compressor flow) monitoring accuracy is lower, and Contents for Monitoring is not comprehensive, does not carry out integration of information system etc. with control centre.Therefore, the present invention utilizes self closing door to control in conjunction with safety monitoring technology, realize down-hole auxiliary ventilator when shutting down for some reason, automatically can open the return air air door that detours and carry out full exhaust ventilation, meanwhile, on the basis realizing ventilation automatic control system under emergency rating, in conjunction with safety monitoring device and the tight control measures of mine, guarantee the running of underground fan unmanned technical system, have important practical significance and wide application prospect.
Summary of the invention
Object of the present invention is exactly for the deficiency existing for prior art, and the technical scheme of a kind of mine secondary ventilation control system and control method is provided, the program realizes down-hole auxiliary ventilator when shutting down for some reason, automatically can open the return air air door that detours and carry out full exhaust ventilation, ensure the life security of miner.
This programme is achieved by the following technical measures: a kind of mine secondary ventilation control system, comprise main control platform, blower fan master control cabinet PLC, gas bar with cylinder pulls air door, the feature of this programme is: described main control platform is connected with blower fan master control cabinet PLC, blower fan master control cabinet PLC is connected with air door electric control box PLC, and described air door electric control box PLC is connected with cylinder.
Described air door electric control box PLC is connected with main control platform, controls warning message and uploads to main control platform.
The output of described blower fan master control cabinet PLC connects a time relay, and the delayed contact of the time relay is connected with the input of air door electric control box PLC.
The output of described air door electric control box PLC is connected in series A respectively to relay and B to relay, and described A connects to the constant open contact of relay and the A of cylinder to electromagnetic valve, and B connects to the constant open contact of relay and the B of cylinder to electromagnetic valve.
The output of described air door electric control box PLC also connects a signal and uploads relay, and the contact that signal uploads relay is connected with main control platform.
The remote switch of parametric controller is connected with the input of air door electric control box PLC.
Described air door electric control box PLC is connected with power supply module and ups power respectively.
A kind of mine secondary ventilation method, is characterized in that comprising the steps:
1) judge whether blower fan shuts down, if shut down, then enter step 2), otherwise enter step 3);
2) blower fan master control cabinet PLC sends signal control time-delay relay and obtains electric work, the contact of time-delay relay is become from close point often opens, after the input of air door electric control box PLC receives the signal of the contact of time-delay relay, export two paths of signals, one road signal to A to relay voltage, making A obtain electric control to relay drives dual control five the valve A in gas circuit case to pull spool to electromagnetic valve action, air-flow by A to gas outlet, guide duct enters cylinder foot, gas bar is released by blast, cylinder upper air chamber gas is discharged to outlet valve by B by guide duct, gas bar pulls air door to open, another road signal uploads relay to signal, and the contact that signal uploads relay is often opened from normally closed becoming, and parametric controller obtains alarm signal, and parametric controller drives audible-visual annunciator to send sound and light alarm,
3) when blower fan is opened, blower fan master control cabinet PLC sends signal and controls time-delay relay adhesive, the contact of time-delay relay becomes normally closed point from battle, after air door electric control box PLC obtains signal, export two paths of signals, one road signal to B to relay voltage, B is obtained electric to relay, dual control five the valve B in gas circuit case are driven to pull spool to electromagnetic valve action, air-flow by B to gas outlet, guide duct enters cylinder upper, gas bar is promoted by blast, cylinder foot air chamber gas is discharged to outlet valve by A by guide duct, , gas bar regains air door and cuts out, another road signal is to uploading relay, and the signal contact of uploading relay becomes normally closed from often opening, and interrupt up-delivering signal, parametric controller stops sound and light alarm.
Described step 2) in, if time-delay relay does not work at the appointed time, cylinder cannot start, and parametric controller, to airdoor control case PLC control signal, realizes control AB to relay, Double-control solenoid valve.
Described air door electric control box PLC all continues 3 seconds to relay or B to the voltage of relay to A.
The beneficial effect of this programme can be learnt according to describing of such scheme, and in the program, air door electric control box PLC can drive cylinder action timely, opens air door, ensure to ventilate, but also can timely by signal feedback to parametric controller, report to the police, ensure that the life security of miner; During blower fan work, air door can be closed timely, and pass the signal along to parametric controller, stop alarm.As can be seen here, compared with prior art, have outstanding substantive distinguishing features and significant progress, its beneficial effect implemented also is apparent in the present invention.
Accompanying drawing explanation
Fig. 1 is the block diagram of the specific embodiment of the invention.
Fig. 2 is the circuit diagram of the specific embodiment of the invention.
Detailed description of the invention
For the technical characterstic of this programme can be clearly demonstrated, below by a detailed description of the invention, and in conjunction with its accompanying drawing, this programme is set forth.
Can be found out by accompanying drawing, a kind of mine secondary ventilation control system of this programme, comprise main control platform, blower fan master control cabinet PLC, gas bar with cylinder pulls air door, described main control platform is connected with blower fan master control cabinet PLC, and blower fan master control cabinet PLC is connected with air door electric control box PLC, and described air door electric control box PLC is connected with cylinder.Described air door electric control box PLC is connected with main control platform, controls warning message and uploads to main control platform.
The output of described blower fan master control cabinet PLC connects a time relay, and the delayed contact of the time relay is connected with the input of air door electric control box PLC.The output of described air door electric control box PLC is connected in series A respectively to relay and B to relay, A wherein to relay be abbreviated as in the drawings A to, B to relay be abbreviated as in the drawings B to, described A connects to the constant open contact of relay and the A of cylinder to electromagnetic valve, and B connects to the constant open contact of relay and the B of cylinder to electromagnetic valve.
The output of described air door electric control box PLC also connects a signal and uploads relay, and signal is uploaded relay and is abbreviated as in the drawings and uploads, and the contact that signal uploads relay is connected with main control platform.The remote switch of parametric controller is connected with the input of air door electric control box PLC.Described air door electric control box PLC is connected with power supply module and ups power respectively.
Utilize a secondary ventilation method for above-mentioned mine secondary ventilation control system, it is characterized in that comprising the steps:
1) judge whether blower fan shuts down, if shut down, then enter step 2), otherwise enter step 3);
2) blower fan master control cabinet PLC sends signal control time-delay relay and obtains electric work, the contact of time-delay relay is become from close point often opens, after the input of air door electric control box PLC receives the signal of the contact of time-delay relay, export two paths of signals, one road signal to A to relay voltage, making A obtain electric control to relay drives dual control five the valve A in gas circuit case to pull spool to electromagnetic valve action, air-flow by A to gas outlet, guide duct enters cylinder foot, gas bar is released by blast, cylinder upper air chamber gas is discharged to outlet valve by B by guide duct, gas bar pulls air door to open, another road signal uploads relay to signal, and the contact that signal uploads relay is often opened from normally closed becoming, and parametric controller obtains alarm signal, and parametric controller drives audible-visual annunciator to send sound and light alarm,
3) when blower fan is opened, blower fan master control cabinet PLC sends signal and controls time-delay relay adhesive, the contact of time-delay relay becomes normally closed point from battle, after air door electric control box PLC obtains signal, export two paths of signals, one road signal to B to relay voltage, B is obtained electric to relay, dual control five the valve B in gas circuit case are driven to pull spool to electromagnetic valve action, air-flow by B to gas outlet, guide duct enters cylinder upper, gas bar is promoted by blast, cylinder foot air chamber gas is discharged to outlet valve by A by guide duct, , gas bar regains air door and cuts out, another road signal is to uploading relay, and the signal contact of uploading relay becomes normally closed from often opening, and interrupt up-delivering signal, parametric controller stops sound and light alarm.
Described step 2) in, if time-delay relay does not work at the appointed time, cylinder cannot start, and parametric controller, to airdoor control case PLC control signal, realizes control AB to relay, Double-control solenoid valve.
Described air door electric control box PLC all continues 3 seconds to relay or B to the voltage of relay to A.
The present invention is not limited in above-mentioned detailed description of the invention, the change that those of ordinary skill in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. a mine secondary ventilation control system, comprise main control platform, blower fan master control cabinet PLC, gas bar with cylinder pulls air door, it is characterized in that: described main control platform is connected with blower fan master control cabinet PLC, blower fan master control cabinet PLC is connected with air door electric control box PLC, and described air door electric control box PLC is connected with cylinder.
2. mine secondary ventilation control system according to claim 1, is characterized in that: described air door electric control box PLC is connected with main control platform, controls warning message and uploads to main control platform.
3. mine secondary ventilation control system according to claim 1, is characterized in that: the output of described blower fan master control cabinet PLC connects a time relay, and the delayed contact of the time relay is connected with the input of air door electric control box PLC.
4. the mine secondary ventilation control system according to claim 1 or 3, it is characterized in that: the output of described air door electric control box PLC is connected in series A respectively to relay and B to relay, described A connects to the constant open contact of relay and the A of cylinder to electromagnetic valve, and B connects to the constant open contact of relay and the B of cylinder to electromagnetic valve.
5. mine secondary ventilation control system according to claim 4, is characterized in that: the output of air door electric control box PLC also connects a signal and uploads relay, and the contact that signal uploads relay is connected with main control platform.
6. mine secondary ventilation control system according to claim 4, is characterized in that: the remote switch of parametric controller is connected with the input of air door electric control box PLC.
7. mine secondary ventilation control system according to claim 1, is characterized in that: described air door electric control box PLC is connected with power supply module and ups power respectively.
8. a mine secondary ventilation method, is characterized in that comprising the steps:
1) judge whether blower fan shuts down, if shut down, then enter step 2), otherwise enter step 3);
2) blower fan master control cabinet PLC sends signal control time-delay relay and obtains electric work, the contact of time-delay relay is become from close point often opens, after the input of air door electric control box PLC receives the signal of the contact of time-delay relay, export two paths of signals, one road signal to A to relay voltage, making A obtain electric control to relay drives dual control five the valve A in gas circuit case to pull spool to electromagnetic valve action, air-flow by A to gas outlet, guide duct enters cylinder foot, gas bar is released by blast, cylinder upper air chamber gas is discharged to outlet valve by B by guide duct, gas bar pulls air door to open, another road signal uploads relay to signal, and the contact that signal uploads relay is often opened from normally closed becoming, and parametric controller obtains alarm signal, and parametric controller drives audible-visual annunciator to send sound and light alarm,
3) when blower fan is opened, blower fan master control cabinet PLC sends signal and controls time-delay relay adhesive, the contact of time-delay relay becomes normally closed point from battle, after air door electric control box PLC obtains signal, export two paths of signals, one road signal to B to relay voltage, B is obtained electric to relay, dual control five the valve B in gas circuit case are driven to pull spool to electromagnetic valve action, air-flow by B to gas outlet, guide duct enters cylinder upper, gas bar is promoted by blast, cylinder foot air chamber gas is discharged to outlet valve by A by guide duct, , gas bar regains air door and cuts out, another road signal is to uploading relay, and the signal contact of uploading relay becomes normally closed from often opening, and interrupt up-delivering signal, parametric controller stops sound and light alarm.
9. mine secondary ventilation method according to claim 8, it is characterized in that: described step 2) in, if time-delay relay does not work at the appointed time, cylinder cannot start, parametric controller, to airdoor control case PLC control signal, realizes control AB to relay, Double-control solenoid valve.
10. mine secondary ventilation method according to claim 8, is characterized in that: described air door electric control box PLC all continues 3 seconds to relay or B to the voltage of relay to A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721290.3A CN105275488A (en) | 2015-10-30 | 2015-10-30 | Mine auxiliary ventilation control system and mine auxiliary ventilation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721290.3A CN105275488A (en) | 2015-10-30 | 2015-10-30 | Mine auxiliary ventilation control system and mine auxiliary ventilation method |
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| CN105275488A true CN105275488A (en) | 2016-01-27 |
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| CN201510721290.3A Pending CN105275488A (en) | 2015-10-30 | 2015-10-30 | Mine auxiliary ventilation control system and mine auxiliary ventilation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870428A (en) * | 2016-12-30 | 2017-06-20 | 柳州钢铁股份有限公司 | Centrifugal blower and air door interlocked control method and control device |
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Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |