CN103422875A - Distribution control device for air quantity of long tunnel ventilating system and distribution control method thereof - Google Patents
Distribution control device for air quantity of long tunnel ventilating system and distribution control method thereof Download PDFInfo
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Abstract
Provided is a distribution control device for an air quantity of a long tunnel ventilating system. A front branch pipe and a rear branch pipe of a ventilator on a parallel adit or an auxiliary tunnel portal leading to a front tunnel face and a rear tunnel face of a main tunnel are respectively provided with a front solenoid valve and a rear solenoid valve, the front solenoid valve and the rear solenoid valve are electrically connected with a control processing center, and the ventilator is also electrically connected with the control processing center. A front gas concentration detector, a front dust concentration detector, a front carbon monoxide concentration detector and a front hydrogen sulfide concentration detector which are electrically connected with the control processing center are arranged beside the front tunnel face; and a rear gas concentration detector, a rear dust concentration detector, a rear carbon monoxide concentration detector and a rear hydrogen sulfide concentration detector which are electrically connected with the control processing center are arranged beside the rear tunnel face. The distribution control device can automatically adjust and control ventilation quantity of air fed to the front tunnel face and the rear tunnel face according to pollution conditions of the front tunnel face and the rear tunnel face of the main tunnel, can simultaneously guarantee ventilation effect of the two tunnel faces and is good in ventilation effect; and energy waste is also avoided.
Description
Technical field
The present invention relates to a kind of allocation of the amount of air system and control method thereof of the Tunnel Ventilation System of growing up.
Background technology
Due to the closure of tunnel structure, the smoke of gunpowder that the tail gas that in the constructing tunnel process, mechanical work produces, explosion produce, the toxic and harmful that overflow on stratum etc. will, in the tunnel inner accumulated, threaten Health Status For Workers Exposed and construction safety.For improving the highway tunnel construction operating environment, ensure constructor's health, must take suitable venting practice.Particularly for gas, H are arranged
2The catastrophe risk tunnel that the toxic and harmfuls such as S exist, must guarantee sufficient ventilation and wind speed, and dilution waters down toxic and harmful.
As the basic means of Gas Disaster, realization safety in production in prevention and the construction of improvement gas tunnel, construction ventilation mainly comprises forced ventilation and ventilation by ducts.Wherein ventilation by ducts refers to and offers parallel base tunnel (flat leading) in tunnel or, when the construction of double-hole tunnel, realize ventilating preferably by arrange the ventilation installation cooperatively interacted in two tunnels.
Grow up constructing tunnel to certain phase, for increasing work efficiency, can first make flat lead or the depth of penetration in secondary tunnel surpasses positive tunnel, by flat, lead or the transverse passage-way of secondary tunnel front end increases an excavation face in the place ahead of positive tunnel tunnel face, be to occur in positive tunnel that former and later two faces, former and later two operation intervals tunnel the excavation operation simultaneously.This positive tunnel has the constructing tunnel of growing up of two faces higher to the requirement of ventilating, and adopts at present following ventilation by ducts method to be ventilated:
Flat, lead or secondary tunnel portal arranges ventilation fan, the air outlet of the air chimney be connected with ventilation fan be located at flat lead or the face in secondary tunnel near, fresh air is delivered to flat leading or secondary tunnel tunnel face through ventilation fan, air chimney from hole, the dilution pollutant, foul atmosphere flows into positive tunnel via the transverse passage-way of close face; Simultaneously, flat, lead or secondary tunnel portal arranges another ventilation fan, the air chimney be connected with this ventilation fan is divided into former and later two arms by tee junction, front arm arrives near the front face in positive tunnel through the transverse passage-way of close front face, and rear arm arrives near the rear face in positive tunnel through the transverse passage-way of close rear face; Fresh air is delivered to respectively the forward and backward face in positive tunnel from hole through the forward and backward arm of air chimney, the dilution pollutant; And at the hole in positive tunnel, exhaust fan is set, diluted foul atmosphere in positive tunnel is discharged outside hole by positive tunnel.
The problem that above method of ventilation exists is: the air output of forward and backward face is fixed, and forward and backward face required airflow is not quite similar, and constantly changes, and causes or can't guarantee the ventilation effect of two faces simultaneously, or causing energy dissipation.
Summary of the invention
The first purpose of the present invention is to provide a kind of allocation of the amount of air control device of the Tunnel Ventilation System of growing up, this device can be according to the pollution situation of the forward and backward face in positive tunnel, auto-adjustment control is sent to the ventilation of forward and backward face, can guarantee the ventilation effect of two faces, ventilation effect is good simultaneously; Avoided again the waste of energy.
The present invention realizes that the technical scheme that its first purpose adopts is, a kind of allocation of the amount of air control device of the Tunnel Ventilation System of growing up, be included in flat lead or secondary tunnel portal arranges ventilation fan, the air chimney be connected with ventilation fan is divided into front arm, rear arm by tee junction; Before front arm arrives through the transverse passage-way of the front face in close positive tunnel near face, after rear arm arrives through the transverse passage-way of the rear face in close positive tunnel near face; It is characterized in that:
Be provided with on described front arm on front electromagnetic valve, rear arm and be provided with rear electromagnetic valve; Front electromagnetic valve, rear electromagnetic valve all are electrically connected to the control processing center; Described ventilation fan also is electrically connected to the control processing center;
Near front face, be provided with and front methane Concentration Measurement instrument, front dust concentration detector, front carbon monoxide concentration detector and the front concentration of hydrogen sulfide detector controlling processing center and be electrically connected to;
Near rear face, be provided with and after gas concentration detector, rear dust concentration detector, rear carbonomonoxide concentration detector and the after cure hydrogen concentration detector controlling processing center and be electrically connected to.
Compared with prior art, the invention has the beneficial effects as follows:
This device can be measured respectively by four kinds of concentration detectors of gas, dust, carbon monoxide, hydrogen sulfide of forward and backward face setting the pollution situation of four kinds of pollutants of the forward and backward face in positive tunnel, and carry out by controlling processing center the ventilation that forward and backward face is sent in computing and then auto-adjustment control and distribution, can guarantee the ventilation effect of two faces, ventilation effect is good simultaneously; Avoided by strengthening that fan delivery guarantees two face ventilation effects and the waste of the energy that causes.
The second purpose of the present invention is to provide a kind of method that distribution control device that uses the above-mentioned Tunnel Ventilation System air quantity of growing up carries out allocation of the amount of air control, the method can be fast, accurately according to the pollution situation of the forward and backward face in positive tunnel, auto-adjustment control is sent to the ventilation of forward and backward face, can guarantee the ventilation effect of two faces, ventilation effect is good simultaneously; Avoided again the waste of energy.
The present invention realizes that the technical scheme that its second purpose adopts is, a kind of method that right to use requires the allocation of the amount of air control device of the 1 described Tunnel Ventilation System of growing up to carry out allocation of the amount of air control, the steps include:
(1), the detection of pollutional condition
Control the pollutant levels of the front face of processing center Real-time Collection: the front face gas density VW1 that front methane Concentration Measurement instrument is measured, the front area flour dust concentration VD1 that front dust concentration detector is measured, the front face carbonomonoxide concentration VY1 that front carbon monoxide concentration detector is measured, the front face concentration of hydrogen sulfide VL1 that front concentration of hydrogen sulfide detector is measured;
Simultaneously, the pollutant levels of face after control processing center Real-time Collection: the rear face gas density VW2 that the after gas concentration detector is measured, the rear face dust concentration VD2 that rear dust concentration detector is measured, the rear face carbonomonoxide concentration VY2 that rear carbonomonoxide concentration detector is measured, the rear face concentration of hydrogen sulfide VL2 that after cure hydrogen concentration detector is measured;
(2), Intelligent Fuzzy Control
Control processing center by Real-time Collection to the pollutant levels, the pollutant levels of rear face of front face carry out the intelligent fuzzy reasoning, draw the ventilation fan air quantity increment △ F of current time, the desirable aperture K1 ' of front electromagnetic valve, the desirable aperture K2 ' of rear electromagnetic valve, and, according to this to the air quantity F of ventilation fan and the aperture K1 of front electromagnetic valve, the aperture K2 of rear electromagnetic valve is controlled.
Further, above-mentioned control processing center by Real-time Collection to the pollutant levels, the pollutant levels of rear face of front face carry out the intelligent fuzzy reasoning, draw the ventilation fan air quantity increment △ F of current time, the desirable aperture K1 ' of front electromagnetic valve, the specific practice of the desirable aperture K2 ' of rear electromagnetic valve is:
The calculating of A, pollutant levels deviate and obfuscation thereof
The front face gas density VW1, front area flour dust concentration VD1, front face carbonomonoxide concentration VY1, the front face concentration of hydrogen sulfide VL1 that gather are subtracted each other and draw with gas density controlling value VW, dust concentration controlling value VD, concentration of hydrogen sulfide controlling value VL respectively: front face gas density deviate △ VW1, front area flour dust concentration deviate △ VD1, front face carbonomonoxide concentration deviate △ VY1, front face concentration of hydrogen sulfide deviate △ VL1; To after these deviates △ VW1, △ VD1, △ VY1, △ VL1 obfuscation, obtain corresponding fuzzy quantity △ VW1 ', △ VD1 ', △ VY1 ', △ VL1 ', find out the fuzzy quantity △ 1 of wherein maximum fuzzy quantity as front face deviate, be Δ 1=max{ △ VW1 ', △ VD1 ', △ VY1 ', △ VL1 ' };
Rear face gas density VW2, the rear face dust concentration VD2, rear face carbonomonoxide concentration VY2, the rear face concentration of hydrogen sulfide VL2 that gather are subtracted each other and draw with gas density controlling value VW, dust concentration controlling value VD, concentration of hydrogen sulfide controlling value VL respectively: rear face gas density deviate △ VW2, rear face dust concentration deviate △ VD2, rear face carbonomonoxide concentration deviate △ VY2, rear face concentration of hydrogen sulfide deviate △ VL2; To after these deviates △ VW2, △ VD2, △ VY2, △ VL2 obfuscation, obtain corresponding fuzzy quantity △ VW2 ', △ VD2 ', △ VY2 ', △ VL2 ', find out the fuzzy quantity △ 2 of wherein maximum fuzzy quantity as rear face deviate, be Δ 2=max{ △ VW2 ', △ VD2 ', △ VY2 ', △ VL2 ' };
B, fuzzy reasoning
Input quantity using the fuzzy quantity △ 2 of the fuzzy quantity △ of front face deviate 1 and rear face deviate as fuzzy reasoning, fuzzy inference rule according to following table, draw the fuzzy quantity of ventilation fan air quantity increment △ F, the fuzzy quantity of the desirable aperture K1 ' of front electromagnetic valve, the fuzzy quantity of the desirable aperture K2 of rear electromagnetic valve; Obtain ventilation fan air quantity increment △ F after ambiguity solution, the desirable aperture K1 ' of front electromagnetic valve, the desirable aperture K2 of rear electromagnetic valve;
In table, the value implication of the fuzzy quantity △ 2 of the fuzzy quantity △ 1 of front face deviate and rear face deviate is: NB-is negative large, and during NM-is negative, NS-is negative little, and Z-zero, and PS-is just little, the PM-center, and PB-is honest;
Be respectively from left to right ventilation fan air quantity △ F, the desirable aperture K1 ' of front electromagnetic valve and fuzzy quantity corresponding to the desirable aperture K2 of rear electromagnetic valve in cell, its value implication is that SS-is little, and SM-is medium and small, and in M-, large in BM-, BB-is large.
Method by above fuzzy control, make the present invention control foundation and the computing of model simple, can be fast, accurately according to the pollution situation of the forward and backward face in positive tunnel, automatically the real-time ventilation to forward and backward face is carried out suitably, is effectively controlled, can guarantee the ventilation effect of two faces simultaneously, simultaneously also can be to the ventilation of tunnel and Double face.By Intelligent Fuzzy Control, can reduce the adjustment frequency of blower fan and electromagnetic valve simultaneously, extend blower fan and electromagnetic valve life-span, and save power consumption.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The accompanying drawing explanation
Fig. 1 is the structural representation of the allocation of the amount of air control device of the embodiment of the present invention.
Fig. 2 is the circuit block diagram of the allocation of the amount of air control device of the embodiment of the present invention.
Fig. 3 be before (afterwards) face gas density deviate △ VW1(△ VW2) domain and membership function figure.
Fig. 4 be before (afterwards) face dust concentration deviate △ VD1(△ VD2) domain and membership function figure.
Fig. 5 be before (afterwards) face carbonomonoxide concentration deviate △ VY1(△ VY2) domain and membership function figure.
Fig. 6 be before (afterwards) face concentration of hydrogen sulfide deviate △ VL1(△ VL2) domain and membership function figure.
Fig. 7 is domain and the membership function figure of the air quantity increment △ F of ventilation fan.
Fig. 8 be before the desirable aperture K1(K2 of (afterwards) electromagnetic valve) domain and membership function figure.
The specific embodiment
Embodiment
Fig. 1, Fig. 2 illustrate, a kind of specific embodiment of the present invention is, a kind of allocation of the amount of air control device of the Tunnel Ventilation System of growing up, be included in flat lead or secondary tunnel portal 2b arranges ventilation fan 3, and the air chimney 4 be connected with ventilation fan 3 is divided into front arm 4a, rear arm 4b by tee junction 5; The transverse passage-way that front arm 4a passes the front face 1a in the most close positive tunnel 1 arrives near front face 1a, near the rear face 1b of transverse passage-way arrival of rear arm 4b through the rear face 1b in the most close positive tunnel 1; It is characterized in that:
Be provided with on described front arm 4a on front electromagnetic valve 401, rear arm 4b and be provided with rear electromagnetic valve 402; Front electromagnetic valve 401, rear electromagnetic valve 402 all are electrically connected to control processing center KZ; Described ventilation fan 3 also is electrically connected to control processing center KZ;
Near front face 1a, be provided with and front methane Concentration Measurement instrument W1, the front dust concentration detector D1, front carbon monoxide concentration detector Y1 and the front concentration of hydrogen sulfide detector L1 that control processing center KZ and be electrically connected to;
Near rear face 1b, be provided with and after gas concentration detector W2, the rear dust concentration detector D2, rear carbonomonoxide concentration detector Y2 and the after cure hydrogen concentration detector L2 that control processing center KZ and be electrically connected to.
A kind of method that distribution control device that uses the described Tunnel Ventilation System air quantity of growing up carries out allocation of the amount of air control, the steps include:
(1), the detection of pollutional condition
Control the pollutant levels of the front face of processing center KZ Real-time Collection: the front face gas density VW1 that front methane Concentration Measurement instrument W1 measures, the front area flour dust concentration VD1 that front dust concentration detector D1 measures, the front face carbonomonoxide concentration VY1 that front carbon monoxide concentration detector Y1 measures, the front face concentration of hydrogen sulfide VL1 that front concentration of hydrogen sulfide detector L1 measures;
Simultaneously, the pollutant levels of face after control processing center KZ Real-time Collection: the rear face gas density VW2 that after gas concentration detector W2 measures, the rear face dust concentration VD2 that rear dust concentration detector D2 measures, the rear face carbonomonoxide concentration VY2 that rear carbonomonoxide concentration detector Y2 measures, the rear face concentration of hydrogen sulfide VL2 that after cure hydrogen concentration detector L2 measures;
(2), Intelligent Fuzzy Control
The pollutant levels of the front face that control processing center KZ arrives Real-time Collection, the pollutant levels of rear face are carried out the intelligent fuzzy reasoning, draw the ventilation fan 3 air quantity increment △ F of current time, the desirable aperture K1 ' of front electromagnetic valve 401, the desirable aperture K2 ' of rear electromagnetic valve 402, and according to this to the air quantity F of ventilation fan and the aperture K1 of front electromagnetic valve 401, the aperture K2 of rear electromagnetic valve 402 is controlled (adds increment air quantity △ F even the air quantity F of ventilation fan current time equals the air quantity F of previous moment, the aperture K1 of the front electromagnetic valve 401 of current time equals desirable aperture K1 ', the aperture K2 of rear electromagnetic valve 402 equals desirable aperture K2 ').
The control processing center KZ of this example by Real-time Collection to the pollutant levels, the pollutant levels of rear face of front face carry out the intelligent fuzzy reasoning, draw the ventilation fan 3 air quantity increment △ F of current time, the desirable aperture K1 ' of front electromagnetic valve 401, the specific practice of the desirable aperture K2 ' of rear electromagnetic valve 402 is:
The calculating of A, pollutant levels deviate and obfuscation thereof
The front face gas density VW1, front area flour dust concentration VD1, front face carbonomonoxide concentration VY1, the front face concentration of hydrogen sulfide VL1 that gather are subtracted each other and draw with gas density controlling value VW, dust concentration controlling value VD, concentration of hydrogen sulfide controlling value VL respectively: front face gas density deviate △ VW1, front area flour dust concentration deviate △ VD1, front face carbonomonoxide concentration deviate △ VY1, front face concentration of hydrogen sulfide deviate △ VL1; To after these deviates △ VW1, △ VD1, △ VY1, △ VL1 obfuscation, obtain corresponding fuzzy quantity △ VW1 ', △ VD1 ', △ VY1 ', △ VL1 ', find out the fuzzy quantity △ 1 of wherein maximum fuzzy quantity as front face deviate, be Δ 1=max{ △ VW1 ', △ VD1 ', △ VY1 ', △ VL1 ' };
Rear face gas density VW2, the rear face dust concentration VD2, rear face carbonomonoxide concentration VY2, the rear face concentration of hydrogen sulfide VL2 that gather are subtracted each other and draw with gas density controlling value VW, dust concentration controlling value VD, concentration of hydrogen sulfide controlling value VL respectively: rear face gas density deviate △ VW2, rear face dust concentration deviate △ VD2, rear face carbonomonoxide concentration deviate △ VY2, rear face concentration of hydrogen sulfide deviate △ VL2; To after these deviates △ VW2, △ VD2, △ VY2, △ VL2 obfuscation, obtain corresponding fuzzy quantity △ VW2 ', △ VD2 ', △ VY2 ', △ VL2 ', find out the fuzzy quantity △ 2 of wherein maximum fuzzy quantity as rear face deviate, be Δ 2=max{ △ VW2 ', △ VD2 ', △ VY2 ', △ VL2 ' };
B, fuzzy reasoning
Input quantity using the fuzzy quantity △ 2 of the fuzzy quantity △ of front face deviate 1 and rear face deviate as fuzzy reasoning, fuzzy inference rule according to following table, draw the fuzzy quantity of ventilation fan 3 air quantity increment △ F, the fuzzy quantity of the desirable aperture K1 ' of front electromagnetic valve 401, the fuzzy quantity of the desirable aperture K2 of rear electromagnetic valve 402; Obtain ventilation fan 3 air quantity increment △ F after ambiguity solution, the desirable aperture K1 ' of front electromagnetic valve 401, the desirable aperture K2 of rear electromagnetic valve 402;
In table, the value implication of the fuzzy quantity △ 2 of the fuzzy quantity △ 1 of front face deviate and rear face deviate is: NB-is negative large, and during NM-is negative, NS-is negative little, and Z-zero, and PS-is just little, the PM-center, and PB-is honest;
Be respectively from left to right ventilation fan air quantity △ F, the desirable aperture K1 ' of front electromagnetic valve and fuzzy quantity corresponding to the desirable aperture K2 of rear electromagnetic valve in cell, its value implication is that SS-is little, and SM-is medium and small, and in M-, large in BM-, BB-is large.
Upper table has 147 decision rules, as the 7th row, the 3rd rule be listed as in table are:
R
7-3: IF Δ 1is PB and Δ 2is NS THEN Δ F is Z and K1 ' is BB and K2 ' is SM; Be that the fuzzy quantity △ 1 of current face deviate is for honest, the fuzzy quantity △ 2 of rear face deviate is negative hour, the fuzzy quantity Δ F of the air quantity increment of ventilation fan is zero, and the fuzzy quantity of the desirable aperture K1 ' of front electromagnetic valve is large, and the fuzzy quantity of the desirable aperture K2 ' of rear electromagnetic valve is medium and small.
Fig. 3-6 provided respectively this example when carrying out the obfuscation of pollutant levels deviate before (afterwards) face gas density deviate △ VW1(△ VW2), front (afterwards) face dust concentration deviate △ VD1(△ VD2), front (afterwards) face carbonomonoxide concentration deviate △ VY1(△ VY2), front (afterwards) face concentration of hydrogen sulfide deviate △ VL1(△ VL2).In Fig. 3-Fig. 6, the unit of abscissa is mg/m
3.
Before (afterwards) face gas density deviate △ VW1(△ VW2), front (afterwards) face dust concentration deviate △ VD1(△ VD2), front (afterwards) face carbonomonoxide concentration deviate △ VY1(△ VY2), front (afterwards) face concentration of hydrogen sulfide deviate △ VL1(△ VL2) obfuscation, adopt the single-point fuzzy method, domain and the membership function figure by Fig. 3-5 draws respectively.
Fig. 7, Fig. 8 have provided respectively the desirable aperture K1(K2 of the air quantity increment △ F of this routine ventilation fan, front (afterwards) electromagnetic valve) domain and membership function figure.The desirable aperture K1(K2 of the air quantity increment △ F of ventilation fan, front (afterwards) electromagnetic valve) ambiguity solution adopts gravity model appoach, and domain and the membership function figure by Fig. 7-8 draws respectively.In Fig. 7, the maximum value that △ Fmax is ventilation fan air quantity increment △ F, its occurrence is determined according to the face area of each tunnel; When face is area 63m
2The standard face time, its value is generally 45～50m
3/ s; If the K that the area of the face of actual tunnel is the standard face is doubly, its △ Fmax=K(45～50) m
3/ s.
Claims (3)
1. the distribution control device of the Tunnel Ventilation System air quantity of growing up, be included in flat lead or secondary tunnel portal (2b) arranges ventilation fan (3), the air chimney (4) be connected with ventilation fan (3) is divided into front arm (4a), rear arm (4b) by tee junction (5); The transverse passage-way that front arm (4a) passes the front face (1a) in the most close positive tunnel (1) arrives near front face (1a), near the rear face (1b) of transverse passage-way arrival of rear arm (4b) through the rear face (1b) in the most close positive tunnel (1); It is characterized in that:
Be provided with on described front arm (4a) on front electromagnetic valve (401), rear arm (4b) and be provided with rear electromagnetic valve (402); Front electromagnetic valve (401), rear electromagnetic valve (402) all are electrically connected to control processing center (KZ); Described ventilation fan (3) also is electrically connected to control processing center (KZ);
Near front face (1a), be provided with and front methane Concentration Measurement instrument (W1), front dust concentration detector (D1), front carbon monoxide concentration detector (Y1) and the front concentration of hydrogen sulfide detector (L1) controlling processing center (KZ) and be electrically connected to;
Near rear face (1b), be provided with and after gas concentration detector (W2), rear dust concentration detector (D2), rear carbonomonoxide concentration detector (Y2) and the after cure hydrogen concentration detector (L2) controlling processing center (KZ) and be electrically connected to.
2. the method that right to use requires the distribution control device of the 1 described Tunnel Ventilation System air quantity of growing up to carry out allocation of the amount of air control, the steps include:
(1), the detection of pollutional condition
Control the pollutant levels of the front face of processing center (KZ) Real-time Collection: the front face gas density VW1 that front methane Concentration Measurement instrument (W1) is measured, the front area flour dust concentration VD1 that front dust concentration detector (D1) is measured, the front face carbonomonoxide concentration VY1 that front carbon monoxide concentration detector (Y1) is measured, the front face concentration of hydrogen sulfide VL1 that front concentration of hydrogen sulfide detector (L1) is measured;
Simultaneously, the pollutant levels of face after control processing center (KZ) Real-time Collection: the rear face gas density VW2 that after gas concentration detector (W2) is measured, the rear face dust concentration VD2 that rear dust concentration detector (D2) is measured, the rear face carbonomonoxide concentration VY2 that rear carbonomonoxide concentration detector (Y2) is measured, the rear face concentration of hydrogen sulfide VL2 that after cure hydrogen concentration detector (L2) is measured;
(2), Intelligent Fuzzy Control
Control processing center (KZ) by Real-time Collection to the pollutant levels, the pollutant levels of rear face of front face carry out the intelligent fuzzy reasoning, draw ventilation fan (3) the air quantity increment △ F of current time, the desirable aperture K1 ' of front electromagnetic valve (401), the desirable aperture K2 ' of rear electromagnetic valve (402), and, according to this to the air quantity F of ventilation fan and the aperture K1 of front electromagnetic valve (401), the aperture K2 of rear electromagnetic valve (402) is controlled.
3. the method that right to use requires the distribution control device of the 2 described Tunnel Ventilation System air quantity of growing up to carry out allocation of the amount of air control, it is characterized in that: described control processing center (KZ) by Real-time Collection to the pollutant levels, the pollutant levels of rear face of front face carry out the intelligent fuzzy reasoning, draw ventilation fan (3) the air quantity increment △ F of current time, the desirable aperture K1 ' of front electromagnetic valve (401), the specific practice of the desirable aperture K2 ' of rear electromagnetic valve (402) is:
The calculating of A, pollutant levels deviate and obfuscation thereof
The front face gas density VW1, front area flour dust concentration VD1, front face carbonomonoxide concentration VY1, the front face concentration of hydrogen sulfide VL1 that gather are subtracted each other and draw with gas density controlling value VW, dust concentration controlling value VD, concentration of hydrogen sulfide controlling value VL respectively: front face gas density deviate △ VW1, front area flour dust concentration deviate △ VD1, front face carbonomonoxide concentration deviate △ VY1, front face concentration of hydrogen sulfide deviate △ VL1; To after these deviates △ VW1, △ VD1, △ VY1, △ VL1 obfuscation, obtain corresponding fuzzy quantity △ VW1 ', △ VD1 ', △ VY1 ', △ VL1 ', find out the fuzzy quantity △ 1 of wherein maximum fuzzy quantity as front face deviate, be △ 1=max{ △ VW1 ', △ VD1 ', △ VY1 ', △ VL1 ' };
Rear face gas density VW2, the rear face dust concentration VD2, rear face carbonomonoxide concentration VY2, the rear face concentration of hydrogen sulfide VL2 that gather are subtracted each other and draw with gas density controlling value VW, dust concentration controlling value VD, concentration of hydrogen sulfide controlling value VL respectively: rear face gas density deviate △ VW2, rear face dust concentration deviate △ VD2, rear face carbonomonoxide concentration deviate △ VY2, rear face concentration of hydrogen sulfide deviate △ VL2; To after these deviates △ VW2, △ VD2, △ VY2, △ VL2 obfuscation, obtain corresponding fuzzy quantity △ VW2 ', △ VD2 ', △ VY2 ', △ VL2 ', find out the fuzzy quantity △ 2 of wherein maximum fuzzy quantity as rear face deviate, be △ 2=max{ △ VW2 ', △ VD2 ', △ VY2 ', △ VL2 ' };
B, fuzzy reasoning
Input quantity using the fuzzy quantity △ 2 of the fuzzy quantity △ of front face deviate 1 and rear face deviate as fuzzy reasoning, fuzzy inference rule according to following table, draw the fuzzy quantity of ventilation fan (3) air quantity increment △ F, the fuzzy quantity of the desirable aperture K1 ' of front electromagnetic valve (401), the fuzzy quantity of the desirable aperture K2 of rear electromagnetic valve (402); Obtain ventilation fan (3) air quantity increment △ F after ambiguity solution, the desirable aperture K1 ' of front electromagnetic valve (401), the desirable aperture K2 of rear electromagnetic valve (402);
In table, the value implication of the fuzzy quantity △ 2 of the fuzzy quantity △ 1 of front face deviate and rear face deviate is: NB-is negative large, and during NM-is negative, NS-is negative little, and Z-zero, and PS-is just little, the PM-center, and PB-is honest;
Be respectively from left to right ventilation fan air quantity △ F, the desirable aperture K1 ' of front electromagnetic valve and fuzzy quantity corresponding to the desirable aperture K2 of rear electromagnetic valve in cell, its value implication is that SS-is little, and SM-is medium and small, and in M-, large in BM-, BB-is large.
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| CN104121031A (en) * | 2014-07-10 | 2014-10-29 | 中铁二十局集团第二工程有限公司 | Ventilation monitoring system and method for long-distance tunnel construction |
| CN107269307A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Tunnel ventilation system |
| CN107269306A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Double hole highway tunnel construction ventilating systems |
| WO2020038051A1 (en) * | 2018-08-21 | 2020-02-27 | 湖南科技大学 | Method for calculating amount of energy conservation of open controllable circulating ventilation for extra-long highway tunnel |
| CN111206951A (en) * | 2020-01-22 | 2020-05-29 | 中铁隧道局集团有限公司 | Tunnel energy-saving ventilation method based on air volume and power of fan |
| CN113482691A (en) * | 2021-08-16 | 2021-10-08 | 中铁第六勘察设计院集团有限公司 | Air quantity distribution determination method and device for air inlet type single-ramp highway tunnel ventilation system |
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| CN104121031A (en) * | 2014-07-10 | 2014-10-29 | 中铁二十局集团第二工程有限公司 | Ventilation monitoring system and method for long-distance tunnel construction |
| CN104121031B (en) * | 2014-07-10 | 2016-05-25 | 中铁二十局集团第二工程有限公司 | A kind of long distance tunnel is ventilation monitoring system and method for supervising for construction |
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| CN107269306A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Double hole highway tunnel construction ventilating systems |
| WO2020038051A1 (en) * | 2018-08-21 | 2020-02-27 | 湖南科技大学 | Method for calculating amount of energy conservation of open controllable circulating ventilation for extra-long highway tunnel |
| CN111206951A (en) * | 2020-01-22 | 2020-05-29 | 中铁隧道局集团有限公司 | Tunnel energy-saving ventilation method based on air volume and power of fan |
| CN111206951B (en) * | 2020-01-22 | 2021-09-14 | 中铁隧道局集团有限公司 | Tunnel energy-saving ventilation method based on air volume and power of fan |
| CN113482691A (en) * | 2021-08-16 | 2021-10-08 | 中铁第六勘察设计院集团有限公司 | Air quantity distribution determination method and device for air inlet type single-ramp highway tunnel ventilation system |
| CN113482691B (en) * | 2021-08-16 | 2022-08-05 | 中铁第六勘察设计院集团有限公司 | Air quantity distribution determination method and device for air inlet type single-ramp highway tunnel ventilation system |
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