CN203201842U - Mining intelligent ventilator controller - Google Patents
Mining intelligent ventilator controller Download PDFInfo
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- CN203201842U CN203201842U CN 201320027043 CN201320027043U CN203201842U CN 203201842 U CN203201842 U CN 203201842U CN 201320027043 CN201320027043 CN 201320027043 CN 201320027043 U CN201320027043 U CN 201320027043U CN 203201842 U CN203201842 U CN 203201842U
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Abstract
The utility model relates to a mining intelligent ventilator controller. The controller comprises power sources, a dual power source automatic switching device, a frequency conversion controller BPQ, a bypass, a programmable logic controller (PLC), a gas sensor, an air speed sensor, a warner and a ventilator. The ventilator controller can automatically adjust a rotating speed of the ventilator according to gas concentration of a working face, namely air supply quantity is automatically adjusted, so that the gas concentration of the working face can always be controlled within a safety value.
Description
Technical field
The utility model relates to a kind of ventilator controller, but the concrete ventilator controller that relates to a kind of mining automatic speed regulation.
Background technique
The colliery conditions down-hole is special, and environment is poor, and toxic and harmfuls such as gas are gushed out frequently, and miner's life safety and safety and production in serious threat, so mine ventilation is the primary element task of safety in production.
For continuity and the reliability that guarantees to ventilate, what big multiple enterprises used at present is a kind of " double-power source automatic switchover magnetic starter ", this starter only can be when the first ring current dead electricity, and second loop starts continuation automatically to the working surface air feed, guarantees the continuity of ventilating.But its shortcoming is no matter how high face gas concentration is, needs much air quantity, carries out air feed with constant wind speed air quantity all the time.Particularly when causing the shutdown blowing-out, electrical fault but can not automatically switch.Transfinite or calm gentle breeze operation thereby cause face gas to gather, for Mine Safety in Production is brought hidden danger.The ventilator controller that has also uses frequency variator to replace traditional magnetic starter, but has just used the good startability of frequency variator, and the air quantity wind speed still can not get automatic control.Dilute gas density and take toxic and harmfuls such as gas out of working surface but can not strengthen the wind speed air quantity automatically when face gas concentration raises, guarantee that face gas concentration never transfinites, this also is the maximum technological deficiency of present ventilating management.
Summary of the invention
At above-mentioned situation, the purpose of this utility model provides a kind of ventilator controller that can adjust wind speed automatically, guarantees that gas density remains in the scope of a safety, has improved operating personnel's Security.
Implementation of the present utility model is as follows: a kind of mining intelligent ventilator controller, and this controller comprises power supply, dual power supply automatic switching device, frequency-variable controller BPQ, bypass, programmable controller PLC, firedamp sensor, air velocity transducer, alarm, ventilator;
Power supply comprises 1# power supply and 2# power supply, for dual power supply automatic switching device provides power supply;
Dual power supply automatic switching device comprises isolating switch and vacuum contactor, the 1# power supply forms loop 1 through isolating switch GK2 and vacuum contactor KM2, the 2# power supply forms loop 2 behind isolating switch GK1 and vacuum contactor KM1, described loop 2 and loop 1 input end that inserts frequency-variable controller BPQ in parallel;
The output terminal one tunnel of frequency-variable controller BPQ meets main station fan pass fan motor D1 through vacuum contactor KM3, and one the tunnel meets the dynamo-electric machine D2 of secondary local fan ventilation through vacuum contactor KM4.The formation bypass that is in parallel of the input/output terminal of vacuum contactor KM5 and frequency-variable controller BPQ;
Programmable controller PLC, input end connect the feedback contact of power supply, frequency-variable controller, dual power supply automatic switching device, power frequency bypass vacuum contactor KM5 respectively.Output terminal connects automatic switchover relay K 1 respectively, frequency conversion output relay K2, power frequency output relay K3, main air blower control relay K4, secondary blower fan control relay K5, frequency converter failure output K6, wind-powered electricity generation gas electric locking relay K 7 and alarm, two input end V1, the V2 of analog input output module EM235 connect firedamp sensor and air velocity transducer respectively, and output terminal OUT meets the frequency adjustment mouth V of frequency-variable controller BPQ.
Further; described 1# power supply comprises X1, X2, X3; the 2# power supply comprises three phase mains X4, X5, X6; be respectively equipped with comprehensive protector of motor JDB1, JDB2 on the output terminal two-route wire of described frequency-variable controller BPQ, described comprehensive protector of motor JDB1, JDB2 insert the input end of programmable controller PLC.
The contact of the series connection contact three parallel connection of the normal opened contact of described alarm and fault output relay K6, the break contact of wind-powered electricity generation gas electric locking relay K 7 and secondary blower fan contactor KM4 and protector JDB2 is connected.
Preferably, described programmable controller PLC is SIEMENS S7-200 type, and the power supply of input end is 220V, and described frequency-variable controller BPQ adopts the frequency conversion equipment based on the insulated gate bipolar transistor IGBT power device.
Ventilator controller of the present utility model has following function, and first, this controller designs for double-cricuit supply, when major loop outage or fault, back-up circuit can start rapidly automatically, continues to provide power supply, make ventilator work, guarantee the continuity of ventilating; The second, this controller is two blower fan designs, and during faults such as the phase failure earth leakage that is short-circuited when the main air blower motor, this controller can automatically switch to standby fan, works on; Three, this controller can be converted to power frequency operation by converting operation automatically when frequency variator breaks down and can not work; Four, this controller exceeds standard in gas density, and a main air blower full speed running can start secondary blower fan can not effectively control gas density the time automatically, realizes two big air quantity work of blower fan, with quick reduction gas density, ensures safety in production; Five, this controller has perfect sample detecting sensor and acousto-optic phonetic warning system, can be dynamically accurately gas density and the wind speed air quantity of monitoring face, when index surpasses security value (s), send warning to working surface and ore deposit command center rapidly, get rid of potential safety hazard in order to checking; Six, this controller can cut off the working face equipment general power automatically, and send alarm signal to working surface and ore deposit sacurity dispatching command center when gas density exceeds standard near working surface or ventilator.Seven, this controller can be adjusted the rotating speed of ventilator automatically according to face gas concentration, namely adjusts wind supply quantity automatically, and face gas concentration is controlled in security value (s) all the time.Lower or in permitted value the time in gas density, by the suitable frequency of PLC control frequency variator output, make the lower rotating speed of ventilator output, offer working surface with less air quantity.When gas density raises suddenly, firedamp sensor feeds back to PLC immediately with the gas density signal that collects, PLC carries out computing relatively with gas concentration and setting value immediately, control the frequency variator output frequency then by the setting value adjustment, improve the rotating speed of ventilator, make the toxic and harmful concentration such as gas of face with bigger wind speed air quantity reducers and take away gas, alarm sends the gas exceeding limit audible and visible alarm simultaneously, remind the working surface staff to check, get rid of gas hidden danger, thereby reach the purpose of safety in production.When still can not making gas density, reduces maximum quantity of wind, or working surface is in the gentle breeze state and ventilator when enough air quantity can not be provided, wind-powered electricity generation gas electric locking relay K 7 is moved immediately, automatically cut off the working surface power supply, alarm and LED3 send acoustooptic alarm simultaneously, and to ore deposit commander department feedback hidden danger information.After gas density reduces, this controller can be adjusted the output frequency of frequency variator again automatically according to the air velocity transducer feedback data, thereby reduce the rotating speed of ventilator, the working surface needs had both been satisfied, reduce dust pollution and electric energy loss again, had society and the economic benefit of very high safety and environmental protection.
Description of drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is electrical schematic diagram of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, close isolating switch GK1, GK2, transformer BK1 exports 24 direct currents, relay time-delay adhesive in 3 seconds, the BK2 power supply is connected to X1, X3 in its contact one tunnel, and 220V output is for the PLC power supply, and 36V carries out the contactor adhesive power supply is provided for each.Another contact makes input end X2 connect low level, and the automatic switchover relay is failure to actuate, so loop 1 power contactor gets electric adhesive.Frequency-variable controller BPQ has; Electric motor protecting JDB device is normal to the load wireline inspection, its junction closure, and PLC input end I0.4, I0.5 connect low level, the 4 preferential adhesives of main air blower relay K, main air blower contactor KM3 gets electric adhesive and provides necessary condition for fan starting.Firedamp sensor, air velocity transducer are also given PLC with detected data transmission at this moment, for frequency-variable controller BPQ provides suitable frequency signal.
When all are normal, press start button QA, the startup loop of frequency converter B PQ has been connected in frequency conversion output relay K2 adhesive, so frequency variator starts, blower fan begins to blow to working surface by default suitable rotation speed operation.
When loop 1 power supply cuts off the power supply suddenly, relay K does not have electricity and discharges, the power supply of transformer KB2 is switched on X4, the X6 in loop 2, continue as entire circuit power supply is provided, the input end of another contact disconnection makes it become high level simultaneously, so automatic switchover relay K 1 adhesive, disconnected the adhesive loop of KM1, connected 2 power contactor KM2 adhesive loops, loop, loop 2 power supplys are powered to controller BPQ.So reached the double-power source automatic switchover, the purpose of uninterruptable power supply (UPS).Tutorial light LED1 is bright simultaneously, and the prompting attendant checks and handles the outage reason.
When frequency converter B PQ breaks down and when quitting work, its trouble signal makes the I0.3 of PLC become low level, then frequency conversion output relay K2 discharge, 3 adhesives of power frequency relay K, bypass contactor KM5 gets electric adhesive, blower fan remains in operation.Warning circuit sends alarm signal simultaneously, and the prompting attendant checks the processing frequency converter failure.
When faults such as main air blower motor D 1 is leaked electricity, short circuit, overload or the phases failure; in the time of can not working; the contact of comprehensive protector of motor JDB1 disconnects; main air blower contactor KM3 does not have electricity and discharges; main air blower D1 shuts down; make the input end I0.4 of programmable controller PLC become high level simultaneously; main air blower relay K 4 discharges; 5 adhesives of secondary blower fan relay K; secondary blower fan contactor KM4 also electric adhesive; secondary blower fan D2 takes over the main air blower entry into service, continues to the working surface air feed, with the continuity that guarantees to ventilate.Simultaneously, alarm Y power supply is switched on, and the fault acoustooptic alarm is sent in the luminous indication of LED2, and the prompting attendant checks and handles the electrical fault reason.
When frequency converter B PQ output has been peak frequency, be that the wind speed air quantity has been maximum permissible value, and gas density still surpasses permitted value and is＞1% o'clock, wind-powered electricity generation gas electrical relay discharges immediately, disconnect the adhesive loop of working surface battery main switch, thereby cut off the general power of gas exceeding limit working surface, prevent the generation of gas accident.Sound light alarming circuit action is meanwhile sent the acoustooptic alarm signal to control centre and working surface, checks with prompting relevant department and the relevant personnel and gets rid of gas hidden danger.
The output contact of wind-powered electricity generation gas electric locking relay and fault output relay links to each other with the warning device of ground maneuvers command center, in order to the cammander is in time promptly made decisions.
Claims (7)
1. mining intelligent ventilator controller is characterized in that this controller comprises power supply, dual power supply automatic switching device, frequency-variable controller BPQ, bypass, programmable controller PLC, firedamp sensor, air velocity transducer, alarm, ventilator;
Power supply comprises 1# power supply and 2# power supply, connects dual power supply automatic switching device respectively;
Dual power supply automatic switching device comprises isolating switch and vacuum contactor, the 1# power supply forms loop 1 through isolating switch GK2 and vacuum contactor KM2, the 2# power supply forms loop 2 behind isolating switch GK1 and vacuum contactor KM1, described loop 2 and loop 1 input end that inserts frequency-variable controller BPQ in parallel;
The output terminal one tunnel of frequency-variable controller BPQ meets main station fan pass fan motor D1 through vacuum contactor KM3, and one the tunnel meets the dynamo-electric machine D2 of secondary local fan ventilation through vacuum contactor KM4;
The formation bypass that is in parallel of the input/output terminal of vacuum contactor KM5 and frequency-variable controller BPQ;
Programmable controller PLC, input end connect the feedback contact of power supply, frequency-variable controller, dual power supply automatic switching device, power frequency bypass vacuum contactor KM5 respectively;
Output terminal connects automatic switchover relay K 1 respectively, frequency conversion output relay K2, power frequency output relay K3, main air blower control relay K4, secondary blower fan control relay K5, frequency converter failure output K6, wind-powered electricity generation gas electric locking relay K 7 and alarm, two input end V1, the V2 of analog input output module EM235 connect firedamp sensor and air velocity transducer respectively, and output terminal OUT meets the frequency adjustment mouth V of frequency-variable controller BPQ.
2. mining intelligent ventilator controller according to claim 1 is characterized in that described 1# power supply comprises three phase mains X1, X2, X3, and the 2# power supply comprises three phase mains X4, X5, X6.
3. mining intelligent ventilator controller according to claim 1 is characterized in that being respectively equipped with comprehensive protector of motor JDB1, JDB2 on the output terminal two-route wire of described frequency-variable controller BPQ, inserts the input end of programmable controller PLC.
4. mining intelligent ventilator controller according to claim 1 is characterized in that the contact of the series connection contact three parallel connection of the break contact of normal opened contact, wind-powered electricity generation gas electric locking relay K 7 of described alarm and fault output relay K6 and secondary blower fan contactor KM4 and protector JDB2 is connected.
5. mining intelligent ventilator controller according to claim 1 is characterized in that described programmable controller PLC is SIEMENS S7-200 type.
6. mining intelligent ventilator controller according to claim 1, the power supply that it is characterized in that described programmable controller PLC input end is 220V.
7. mining intelligent ventilator controller according to claim 1 is characterized in that described frequency-variable controller BPQ adopts the frequency conversion equipment based on the insulated gate bipolar transistor IGBT power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027043 CN203201842U (en) | 2013-01-18 | 2013-01-18 | Mining intelligent ventilator controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027043 CN203201842U (en) | 2013-01-18 | 2013-01-18 | Mining intelligent ventilator controller |
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| Publication Number | Publication Date |
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| CN203201842U true CN203201842U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320027043 Expired - Fee Related CN203201842U (en) | 2013-01-18 | 2013-01-18 | Mining intelligent ventilator controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539036A (en) * | 2014-12-12 | 2015-04-22 | 芜湖新兴铸管有限责任公司 | Circuit used for boiler induced draft fan |
| CN110986220A (en) * | 2019-12-30 | 2020-04-10 | 南京云天节能环保科技有限公司 | Air purifier of modularization fan |
-
2013
- 2013-01-18 CN CN 201320027043 patent/CN203201842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539036A (en) * | 2014-12-12 | 2015-04-22 | 芜湖新兴铸管有限责任公司 | Circuit used for boiler induced draft fan |
| CN110986220A (en) * | 2019-12-30 | 2020-04-10 | 南京云天节能环保科技有限公司 | Air purifier of modularization fan |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140118 |