A kind of transformer station GIS room intelligent ventilating system and method for work
Technical field
The present invention relates to a kind of transformer station GIS room intelligent aeration technology, particularly a kind of transformer station GIS room intelligent ventilating system and method for work.
Background technology
At present, often only SF is considered in transformer station GIS chamber ventilated design process
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2the warning of concentration and air draft and fire protection warning.Current Problems existing is: the temperature not for GIS room is high, fire-fighting and rescue is manually discharged fume and manual air draft etc. designs on the spot.And the cause relying on gravity to close due to common shutter, usually opened by the wind that eminence flows, cause dust fall around blower fan more, need often sweep, add the workload of patrol officer.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of transformer station GIS room intelligent ventilating system and method for work.
Its technical scheme is: comprise shell, two selector switches, power supply indicator, row SF
6button, smoke evacuation button, closedown blower fan button, row SF
6relay indicating light, smoke evacuation relay indicating light, intelligent assistance system main frame, shell is provided with two selector switches, power supply indicator, row SF
6button, smoke evacuation button, closedown blower fan button, row SF
6relay indicating light, smoke evacuation relay indicating light, the inside of shell is provided with intelligent assistance system main frame, two selector switches, power supply indicator, row SF on intelligent assistance system main frame difference connected with outer casing
6button, smoke evacuation button, closedown blower fan button;
Intelligent assistance system main frame comprises control circuit and controlled circuit, and control circuit comprises fire-fighting relay, SF
6relay, temperature relay, switch relay, fan control relay, lower blower fan control relay, shutter control relay, time delay relay turn-off time, the timing closing type time relay, controlled circuit comprises electrothermal relay, motor for blind window, upper strata blower fan, lower floor's blower fan;
In control circuit: fire-fighting auxiliary contact series connection fire-fighting relay, SF
6auxiliary contact series connection SF
6relay, temperature auxiliary contact serial connection temperature relay after parallel with one another enter control circuit, the two ends paralleling switch relay of fire-fighting relay, fan control relay, lower blower fan control relay, shutter control relay, time delay relay turn-off time, the timing closing type time relay, fan control relay, lower blower fan control relay, shutter control relay is connected in series the normally opened contact of the timing closing type time relay respectively, the normally opened contact of timing closing type time relay serial connection time delay relay turn-off time and the normally opened contact of switch relay,
In controlled circuit: three-phase power line connects upper strata blower fan by the normally opened contact of fuse switch, electrothermal relay, fan control relay, three-phase power line connects lower floor's blower fan by the normally opened contact of fuse switch, electrothermal relay, lower blower fan control relay, three-phase power line connects electrothermal relay by fuse switch, the normally opened contact of shutter control relay connects motor for blind window.
The normally-closed contact of fire-fighting relay in parallel and normally opened contact, the normally opened contact of temperature relay, the normally opened contact of switch relay of SF relay after above-mentioned time delay relay turn-off time is connected in series the normally-closed contact of electrothermal relay.
Parallel connection power supply indicator lamp, row SF in above-mentioned control circuit
6relay indicating light and smoke evacuation relay indicating light, row SF
6relay indicating light and smoke evacuation relay indicating light are connected in series the normally opened contact of the timing closing type time relay respectively.
Cubicle switch in parallel and outdoor switch on above-mentioned switch relay, cubicle switch. and outdoor switch. series connection row SF respectively
6button, smoke evacuation button, closedown blower fan button, the normally-closed contact of switch relay and the normally-closed contact of electrothermal relay, row SF
6the normally opened contact of the two ends paralleling switch relay of button.
The method of work of a kind of transformer station GIS room intelligent ventilating system: comprise following step: automatically controlled by the signal of intelligent assistance system main frame acquisition process,
A) when SF occurs in GIS room
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2when concentration is reported to the police, SF
6auxiliary contact close, SF
6relay obtains electric, SF
6the normally opened contact energising of relay, time delay relay turn-off time obtains electric, the normally opened contact energising of time delay relay turn-off time, and shutter control relay obtains electric, and motor for blind window is opened and opened by shutter, two selector switch energisings, switch relay obtains electric, the normally opened contact energising of switch relay, the timing closing type time relay obtains electric, the normally opened contact energising of the timing closing type time relay, fan control relay and lower blower fan control relay obtain electric, the upper strata blower fan in controlled circuit and lower floor's blower fan high in and low out, discharge SF
6gas, as GIS room SF
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2after concentration is normal, SF
6auxiliary contact disconnect, SF
6relay electric-loss, SF
6the normally opened contact of relay disconnects, switch relay dead electricity, the normally opened contact of switch relay disconnects, timing closing type time relay dead electricity, the normally opened contact of the timing closing type time relay disconnects, fan control relay and lower blower fan control relay dead electricity, controlled circuit at the middle and upper levels blower fan and lower floor's blower fan is closed, the normally opened contact that time delay relay turn-off time is connected disconnects, time delay relay electric-loss turn-off time, the normally opened contact of time delay relay turn-off time disconnects, shutter control relay dead electricity, motor for blind window drives shutter time-delay closing,
B) when GIS room temperature height is reported to the police, temperature auxiliary contact close, temperature relay obtains electric, two selector switches close, the normally opened contact energising of temperature relay, time delay relay turn-off time obtains electric, the normally opened contact energising of time delay relay turn-off time, and motor for blind window is opened and opened by shutter, the normally opened contact energising that switch relay is connected in series, fan control relay and lower blower fan control relay obtain electric, the normally opened contact energising of fan control relay and lower blower fan control relay, the timing closing type time relay obtains electric, the normally opened contact energising of the timing closing type time relay, fan control relay and lower blower fan control relay obtain electric, the upper strata blower fan in controlled circuit and lower floor's blower fan low in and high out, flowing room air, reduces room temperature, after GIS room temperature is normal, temperature auxiliary contact disconnect, temperature relay dead electricity, two selector switches disconnect, the normally opened contact of temperature relay disconnects, switch relay dead electricity, the normally opened contact of switch relay disconnects, timing closing type time relay dead electricity, timing closing type time relay normally opened contact disconnects, fan control relay and lower blower fan control relay dead electricity, upper strata blower fan in controlled circuit and lower floor's blower fan are closed, the normally opened contact that time delay relay turn-off time is connected disconnects, time delay relay electric-loss turn-off time, the normally opened contact of time delay relay turn-off time disconnects, shutter control relay dead electricity, motor for blind window drives shutter time-delay closing,
C) when GIS room fire protection warning, fire-fighting auxiliary contact close, and fire-fighting relay obtains electric, and electrothermal relay closes, and motor for blind window starts closes shutter, prevents the intensity of a fire from spreading further.
The invention has the beneficial effects as follows: 1. under automatic control mode, upper strata blower fan and lower floor's blower fan drive air circulation to realize GIS room temperature and SF
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2the test of concentration and discharge, prevent fire spreading; After rescue personnel arrives, control model on the spot can be selected, carry out accident smoke evacuation;
2. in transformer station, use comparatively ripe reversible axial flow fan first; Because of the unidirectional ventilation of plain shaft flow fan intelligence, can when blower fan quantity to be constant, ventilation doubles, and improves ventilation effect; When ventilation is constant, blower fan quantity can be reduced, obvious economic;
3. auto-controll operation pattern is very easy, for operation maintenance personnel production run provides conveniently;
4. establish two, indoor and outdoor control cabinet, namely indoor and outdoor can control this system, can control nearby under special circumstances;
5. this system automatic control is high, and reliability is high.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is control circuit structural representations of the present invention;
Accompanying drawing 3 is controlled circuit structural representations of the present invention;
In upper figure: shell 1, two selector switches 2, power supply indicator 3, row SF
6button 4, smoke evacuation button 5, closedown blower fan button 6, row SF
6relay indicating light 7, smoke evacuation relay indicating light 8;
Fire-fighting auxiliary contact 21, SF
6auxiliary contact 22, temperature auxiliary contact 23;
Fire-fighting relay 30, SF
6relay 31, temperature relay 32, switch relay 33, fan control relay 34, lower blower fan control relay 35, shutter control relay 36, time delay relay turn-off time 37, the timing closing type time relay 38, controlled circuit comprises electrothermal relay 39, motor for blind window 40, upper strata blower fan 41, lower floor's blower fan 42.
Detailed description of the invention
1-3 by reference to the accompanying drawings, the invention will be further described:
The present invention includes shell 1, two selector switches 2, power supply indicator 3, row SF
6button 4, smoke evacuation button 5, closedown blower fan button 6, row SF
6relay indicating light 7, smoke evacuation relay indicating light 8, intelligent assistance system main frame, shell 1 is provided with two selector switches 2, power supply indicator 3, row SF
6button 4, smoke evacuation button 5, closedown blower fan button 6, row SF
6relay indicating light 7, smoke evacuation relay indicating light 8, the inside of shell 1 is provided with intelligent assistance system main frame, two selector switches 2 on intelligent assistance system main frame difference connected with outer casing 1, power supply indicator 3, row SF
6button 4, smoke evacuation button 5, closedown blower fan button 6;
Intelligent assistance system main frame comprises control circuit and controlled circuit, and control circuit comprises fire-fighting relay 30, SF
6relay 31, temperature relay 32, switch relay 33, fan control relay 34, lower blower fan control relay 35, shutter control relay 36, time delay relay turn-off time 37, the timing closing type time relay 38, controlled circuit comprises electrothermal relay 39, motor for blind window 40, upper strata blower fan 41, lower floor's blower fan 42;
In control circuit: fire-fighting auxiliary contact 21 are connected fire-fighting relay 30, SF
6auxiliary contact 22 are connected SF
6relay 31, temperature auxiliary contact 23 be connected in series after temperature relay 32 parallel with one another enter control circuit, the two ends paralleling switch relay 33 of fire-fighting relay 30, fan control relay 34, lower blower fan control relay 35, shutter control relay 36, time delay relay turn-off time 37, the timing closing type time relay 38, fan control relay 34, lower blower fan control relay 35, shutter control relay 36 is connected in series the normally opened contact of the timing closing type time relay 38 respectively, the timing closing type time relay 38 is connected in series the normally opened contact of time delay relay turn-off time 37 and the normally opened contact of switch relay 33,
In controlled circuit: three-phase power line connects upper strata blower fan 41 by the normally opened contact of fuse switch, electrothermal relay 39, fan control relay 34, three-phase power line connects lower floor's blower fan 42 by the normally opened contact of fuse switch, electrothermal relay 39, lower blower fan control relay 35, three-phase power line connects electrothermal relay 39 by fuse switch, the normally opened contact of shutter control relay 36 connects motor for blind window 40.
Wherein, the normally-closed contact of fire-fighting relay 30 in parallel and SF after time delay relay turn-off time 37 being connected in series the normally-closed contact of electrothermal relay 39
6the normally opened contact of the normally opened contact of relay 31, the normally opened contact of temperature relay 32, switch relay 33.
Wherein, parallel connection power supply indicator lamp 3, row SF in control circuit
6relay indicating light 7 and smoke evacuation relay indicating light 8, row SF
6relay indicating light 7 and smoke evacuation relay indicating light 8 are connected in series the normally opened contact of the timing closing type time relay 38 respectively.
Wherein, cubicle switch 2.1 in parallel and outdoor switch 2.2 on switch relay 33, cubicle switch 2.1 and outdoor switch 2.2 be the row of series connection SF respectively
6button 4, smoke evacuation button 5, closedown blower fan button 6, the normally-closed contact of switch relay 33 and the normally-closed contact of electrothermal relay 39, row SF
6the normally opened contact of the two ends paralleling switch relay 33 of button 4.
The method of work of a kind of transformer station GIS room intelligent ventilating system: comprise following step: automatically controlled by the signal of intelligent assistance system main frame acquisition process,
A) when SF occurs in GIS room
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2when concentration is reported to the police, SF
6auxiliary contact 22 close, SF
6relay 31 obtains electric, SF
6the normally opened contact energising of relay 31, time delay relay turn-off time 37 obtains electric, the normally opened contact energising of time delay relay turn-off time 37, and shutter control relay 36 obtains electric, and motor for blind window 40 is opened and opened by shutter, two selector switches 2 are energized, switch relay 33 obtains electric, the normally opened contact energising of switch relay 33, the timing closing type time relay 38 obtains electric, the normally opened contact energising of the timing closing type time relay 38, fan control relay 34 and lower blower fan control relay 35 obtain electric, and the upper strata blower fan 41 in controlled circuit and lower floor's blower fan 42 high in and low out, discharge SF
6gas, as GIS room SF
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2after concentration is normal, SF
6auxiliary contact 22 disconnect, SF
6relay 31 dead electricity, SF
6the normally opened contact of relay 31 disconnects, switch relay 33 dead electricity, the normally opened contact of switch relay 33 disconnects, the timing closing type time relay 38 dead electricity, the normally opened contact of the timing closing type time relay 38 disconnects, fan control relay 34 and lower blower fan control relay 35 dead electricity, controlled circuit at the middle and upper levels blower fan 41 and lower floor's blower fan 42 is closed, the normally opened contact of series connection on time delay relay turn-off time 37 disconnects, time delay relay turn-off time 37 dead electricity, the normally opened contact of time delay relay turn-off time 37 disconnects, shutter control relay 36 dead electricity, motor for blind window 40 drives shutter time-delay closing,
B) when GIS room temperature height is reported to the police, temperature auxiliary contact 23 close, temperature relay 32 obtains electric, two selector switches 2 close, the normally opened contact energising of temperature relay 32, time delay relay turn-off time 37 obtains electric, the normally opened contact energising of time delay relay turn-off time 37, and motor for blind window 40 is opened and opened by shutter, the normally opened contact energising of serial connection on switch relay 33, fan control relay 34 and lower blower fan control relay 35 obtain electric, the normally opened contact energising of fan control relay 34 and lower blower fan control relay 35, the timing closing type time relay 38 obtains electric, the normally opened contact energising of the timing closing type time relay 38, fan control relay 34 and lower blower fan control relay 35 obtain electric, upper strata blower fan 41 in controlled circuit and lower floor's blower fan 42 low in and high out, flowing room air, reduces room temperature, after GIS room temperature is normal, temperature auxiliary contact 23 disconnect, temperature relay 32 dead electricity, two selector switches 2 disconnect, the normally opened contact of temperature relay 32 disconnects, switch relay 33 dead electricity, the normally opened contact of switch relay 33 disconnects, the timing closing type time relay 38 dead electricity, the timing closing type time relay 38 normally opened contact disconnects, fan control relay 34 and lower blower fan control relay 35 dead electricity, upper strata blower fan 41 in controlled circuit and lower floor's blower fan 42 are closed, the normally opened contact of series connection on time delay relay turn-off time 37 disconnects, time delay relay turn-off time 37 dead electricity, the normally opened contact of time delay relay turn-off time 37 disconnects, shutter control relay 36 dead electricity, motor for blind window 40 drives shutter time-delay closing,
C) when GIS room fire protection warning, fire-fighting auxiliary contact 21 close, and fire-fighting relay 30 obtains electric, and electrothermal relay closes, and motor for blind window 40 starts closes shutter, prevents the intensity of a fire from spreading further.