CN107269307A - Tunnel ventilation system - Google Patents
Tunnel ventilation system Download PDFInfo
- Publication number
- CN107269307A CN107269307A CN201710544129.2A CN201710544129A CN107269307A CN 107269307 A CN107269307 A CN 107269307A CN 201710544129 A CN201710544129 A CN 201710544129A CN 107269307 A CN107269307 A CN 107269307A
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- Prior art keywords
- unit
- tunnel
- air
- oxygenation
- ventilation system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009423 ventilation Methods 0.000 title claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000001301 oxygen Substances 0.000 claims abstract description 43
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 43
- 230000007613 environmental effect Effects 0.000 claims abstract description 38
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 230000033228 biological regulation Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 6
- 239000002313 adhesive film Substances 0.000 claims description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 24
- 239000007789 gas Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000505 pernicious effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK 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
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of Tunnel Ventilation System, including for gathering the environmental monitoring unit of environmental data in tunnel, for the unit ventilators divulged information in tunnel, the oxygenation unit for oxygenation in tunnel and for according to the environmental data control unit ventilators and the automatic control unit of oxygenation cell operation collected；The unit ventilators includes being arranged on tunnel air intake lane for being filled with the air intake unit of air and being arranged on the exhausting unit that tunnel return airway is used to discharge air；The automatic control unit includes fuzzy controller, PLC and the wind oxygen regulation controller being sequentially connected, the fuzzy controller is connected by data transmission unit with environmental monitoring unit, and the wind oxygen regulation controller is connected with unit ventilators and oxygenation unit respectively；The present invention can solve the problem of existing major long tunnel ventilation automaticity is low, drafting efficiency is low.
Description
Technical field
The present invention relates to constructing tunnel field, more particularly to a kind of Tunnel Ventilation System.
Background technology
At present, with the fast development of communication, the construction of highway, railway and major long tunnel under water over strait is increasingly
Many, and these engineerings are often the main projects of whole engineering, its main cause is that long construction period, construction environment are poor,
The unidirectional digging footage time is long in construction；And in addition to the pollutant near tunnel tunnel face is difficult to discharge, behind tunnel
Construction area brings secondary pollution, has had a strong impact on the construction speed of Tunnel Engineering and the health of workman；Especially highlands
Also there is face, nearby oxygen content is not enough, causes construction operation device efficiency to decline, workman frequently change or carry compared with
Weight oxygen supply equipment work, has a strong impact on the efficiency of constructing tunnel.
Traditional major long tunnel construction ventilation mode mainly uses the modes such as parallel pilot tunnel, inclined shaft or vertical shaft, applies
The work cycle is long, less efficient；Also, it is low using measuring method efficiency such as traditional pernicious gases and dust content in construction, into
This height is also not prompt enough；And use continuous draft type keep construction tunnel in environmental standard it is up to standard, it is clear that efficiency compared with
It is high；However, with the increase of tunnel piercing length, the discharge of poisonous waste and dilution in tunnel are difficult, logical by increasing auxiliary
Wind time, increase auxiliary construction vent passages are relatively difficult by artificial control discharge and dilution evil material, use automatic control
System processed is present construction general orientation.
The content of the invention
In view of this, it is an object of the invention to provide a kind of Tunnel Ventilation System, divulged information with solving existing major long tunnel
The problem of automaticity is low, drafting efficiency is low.
The Tunnel Ventilation System of the present invention, including for gathering the environmental monitoring unit of environmental data in tunnel, for tunnel
Unit ventilators, the oxygenation unit for oxygenation in tunnel and the environmental data control ventilation collected for basis divulged information in road
The automatic control unit of unit and oxygenation cell operation；The unit ventilators includes being arranged on tunnel air intake lane for being filled with air
Air intake unit and be arranged on tunnel return airway and be used to discharge the exhausting unit of air；The automatic control unit includes connecting successively
Fuzzy controller, PLC and the wind oxygen regulation controller connect, the fuzzy controller passes through data transmission unit and environment
Monitoring unit is connected, and the wind oxygen regulation controller is connected with unit ventilators and oxygenation unit respectively.
Further, the air intake unit includes being located at first air inlet fan at air intake lane entrance to a lane and to be located at leading portion transverse passage-way close
Second air inlet fan of air intake lane entrance to a lane side, the outlet air end of first air inlet fan and the outlet air end of the second air inlet fan are towards tunnel
Road face.
Further, the exhausting unit includes being located at first air exhauster at return airway entrance to a lane and to be located at leading portion transverse passage-way close
Second air exhauster of return airway entrance to a lane side, the outlet air end of first air exhauster and the outlet air end of the second air exhauster dorsad tunnel
Road face.
Further, the distance between second air inlet fan, the second air exhauster and leading portion transverse passage-way are 40m-60m.
Further, the environmental monitoring unit includes being used to detect the dust sensor of dust concentration, for detecting an oxygen
Change carbon monoxide transducer, the air velocity transducer for detecting wind speed, the hydrogen sulfide for detecting concentration of hydrogen sulfide of concentration of carbon
Sensor, the nitric oxide sensor for detecting nitric oxide concentration, the oxygen sensor for detecting oxygen concentration and use
In the methane transducer of detection methane concentration.
Further, the oxygenation unit includes the system of the outlet air end for outlet air end and the second air inlet fan for being located at the first air inlet fan
Oxygen machine.
Further, D/A converting units, the D/A conversions are connected between the PLC and wind oxygen regulation controller
Unit includes the D/A converter being connected with the output end of PLC, is connected to the output end and wind oxygen of the D/A converter
The signal amplifier between the input of controller is adjusted, and is connected to the input and signal amplifier of D/A converter
Overvoltage crowbar between output end.
Further, the system also include be connected to the D/A converting units and wind oxygen regulation controller between centre after
Electrical equipment and the central control equipment being connected with wind oxygen regulation controller.
Further, the system also includes the electricity for being used to provide electric energy for environmental monitoring unit, unit ventilators and oxygenation unit
Power unit；The power unit includes solar photovoltaic assembly, MPPT controller, battery and inverter, the solar energy
Volt component is located at outside tunnel and its output end is connected with the input of MPPT controller, the output end and storage of the MPPT controller
The input of battery is connected, and the output end of the battery is connected with the input of inverter, the output end point of the inverter
Power input end not with environmental monitoring unit, unit ventilators and oxygenation unit is connected.
Further, the solar photovoltaic assembly includes battery assembly and the frame for self-contained battery assembly；The electricity
Pond assembly includes photovoltaic glass, front adhesive film, some crystalline silicon battery plates, rear layer glued membrane and the photovoltaic back of spaced array arrangement
Plate, photovoltaic glass, front adhesive film, crystalline silicon battery plate, rear layer glued membrane and photovoltaic back stack gradually gluing from top to bottom；It is described
Frame includes frame body and adjusting bracket；The frame body includes upper strut rail in, middle strut rail, lower lagging, side plate and envelope
Plate, the upper strut rail is in, middle strut rail, lower lagging is connected with side plate successively from top to bottom, wherein the middle cross rib, lower strut rail
Plate, side plate and shrouding formation rectangle frame；The adjusting bracket includes shape between bottom plate and two pieces of stringer boards perpendicular to bottom plate, two stringer boards
Into the storage tank for housing rectangle frame, the rectangle frame can in storage tank along bottom plate movement in vertical direction and pass through connection
Part is positioned.
Beneficial effects of the present invention：
The Tunnel Ventilation System of the present invention, is carried out real by using environmental monitoring unit to the construction environment in major long tunnel
When monitoring obtain real time environmental data, by control unit according to the real time environmental data control unit ventilators and oxygenation detected
Cell operation, to ensure that pernicious gas and dust in tunnel, oxygen content etc. are in rational scope, meets construction technology environment
It is required that, while having saved use and the run time of instrument and equipment, reduce the thing that bad construction environment is caused in constructing tunnel
Therefore and loss, ensured the personal safety of operating personnel；Also, the system need not build secondary ventilation vertical shaft and inclined shaft etc.,
Engineering construction time and expense have been saved, construction costs is reduced；In addition, the system is strong using flexibility, automatic, intelligence is served
Energy, energy-saving and environmental protection, the effect of accelerating construction progress, solve that existing major long tunnel ventilation automaticity is low, drafting efficiency is low
The problem of.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is structured flowchart of the invention；
Unit ventilators, the layout drawings of oxygenation unit of the Fig. 2 for the present invention；
Fig. 3 is the structured flowchart of the power unit of the present invention；
Fig. 4 is the structure chart of the solar photovoltaic assembly of the present invention.
Embodiment
As shown in Figures 1 to 4：The Tunnel Ventilation System of the present embodiment, including for gathering the ring of environmental data in tunnel
Border monitoring unit 1, for the unit ventilators 2 divulged information in tunnel, the oxygenation unit 3 for oxygenation in tunnel and for according to collection
The automatic control unit that the environmental data control unit ventilators 2 and oxygenation unit 3 arrived works；The unit ventilators 2 includes setting
In tunnel, air intake lane is used to be filled with the air intake unit of air and is arranged on the exhausting unit that tunnel return airway is used to discharge air；Institute
State fuzzy controller 41, PLC 42 and wind oxygen regulation controller 43 that automatic control unit includes being sequentially connected, the mould
Fuzzy controllers 41 are connected by data transmission unit 5 with environmental monitoring unit 1, wind oxygen regulation controller 43 respectively with ventilation
Unit 2 and oxygenation unit 3 are connected；Environmental monitoring unit 1 can be by some sensor groups being located in tunnel into detect all kinds of gas
Volume data, the environmental aspect that can reflect in real time in tunnel；Tunnel is provided with air intake lane 101 and return airway 102, air intake lane side by side
101 and the front end of return airway 102 be face 103, air intake lane 101 and the leading portion of return airway 102 are horizontal logical by a leading portion all the time
Road 104 is connected, and at least one stage casing transverse passage-way, stage casing transverse passage-way are additionally provided between leading portion transverse passage-way 104 and tunnel portal
It is connected between air intake lane 101 and return airway 102, stage casing transverse passage-way is closed using sealing curtain, to avoid producing channelling, shadow
Ring ventilation effect；Oxygenation unit 3 can increase oxygen concentration in tunnel, it is ensured that the supply of oxygen；Fuzzy controller 41 can for example be adopted
With the PLC Step7 chips of Siemens, to the input quantity of environmental monitoring unit 1 meet the processing of fuzzy control demand；
PLC 42 allows user to meet different automations from the corresponding user program of edlin according to the need for oneself
Control is required；Data transmission unit 5 can be wired or wireless topology, such as can by signal wire, WiFi network mode it is real
Existing data transfer；Wind oxygen regulation controller 43 is responsible for sending control signal to unit ventilators 2, oxygenation unit 3, adjust its open and close and
Power；Monitoring in real time is carried out to the construction environment in major long tunnel by using environmental monitoring unit 1 and obtains real time environmental data,
Unit ventilators 2 and oxygenation unit 3 is controlled to work according to the real time environmental data detected by control unit, to ensure in tunnel
Pernicious gas and dust, oxygen content etc. be in rational scope, meet construction technology environmental requirement, set while having saved instrument
Standby use and run time, reduce bad construction environment is caused in constructing tunnel accident and loss, have ensured operation people
The personal safety of member；Also, the system need not build secondary ventilation vertical shaft and inclined shaft etc., engineering construction time and expense have been saved
With reducing construction costs；In addition, the system is strong using flexibility, serves automatic, intelligence, energy-saving and environmental protection, accelerate construction
The effect of progress, solves the problem of existing major long tunnel ventilation automaticity is low, drafting efficiency is low.
In the present embodiment, the air intake unit includes being located at the first air inlet fan 31a at the entrance to a lane of air intake lane 101 and is located at leading portion
Transverse passage-way 104 is close to the second air inlet fan 31b of entrance to a lane side of air intake lane 101, the outlet air end and second of the first air inlet fan 31a
Air inlet fan 31b outlet air end is towards tunnel tunnel face 103；First air inlet fan 31a, the second air inlet fan 31b are by fresh air
In (without shown in the arrow of open circles in Fig. 1) feeding tunnel；First air inlet fan 31a, the second air inlet fan 31b are to tunnel front end
Air blast so that dirty gas (in Fig. 2 shown in the arrow with open circles) enters return airway 102 from leading portion transverse passage-way 104；Due to face
Dirty gas concentration at 103 reaches maximum, and the second air inlet fan 31b is being set at face 103, dirty gas can be effectively improved
Evacuate speed；With going deep into for excavation, the 3rd air inlet fan also can be set between the first air inlet fan 31a and the second air inlet fan 31b；
Second air inlet fan 31b is preferably moveable structure, is moved with the propulsion with leading portion transverse passage-way 104；Second air inlet fan 31b
Can be 40m-60m, preferably 50m with the distance between leading portion transverse passage-way 104.
In the present embodiment, the exhausting unit includes being located at the first air exhauster 32a at the entrance to a lane of return airway 102 and is located at leading portion
Transverse passage-way 104 is close to the second air exhauster 32b of entrance to a lane side of return airway 102, the outlet air end and second of the first air exhauster 32a
Air exhauster 32b outlet air end dorsad tunnel tunnel face 103；First air exhauster 32a, the first air exhauster 32a are used to dirty gas
Detached from tunnel；First air exhauster 32a, the second air exhauster 32b to tunnel portal air blast so that opposite side formation negative pressure and
Dirty gas is promoted to be moved to tunnel portal；Because the dirty gas concentration at face 103 reaches maximum, at face 103
Second air exhauster 32b is set, the evacuation speed of dirty gas can be effectively improved；With going deep into for excavation, in the first air exhauster 32a and
The 3rd air exhauster also can be set between two air exhauster 32b；Second air exhauster 32b is preferably moveable structure, with leading portion
The propulsion of transverse passage-way 104 and move；The distance between second air exhauster 32b and leading portion transverse passage-way 104 can be 40m-60m, preferably
For 50m.
In the present embodiment, the environmental monitoring unit 1 includes being used to detect the dust sensor 11 of dust concentration, for visiting
Survey the carbon monoxide transducer 12 of carbonomonoxide concentration, it is the air velocity transducer 13 for detecting wind speed, dense for detecting hydrogen sulfide
The hydrogen sulfide sensor 14 of degree, the nitric oxide sensor 15 for detecting nitric oxide concentration, for detecting oxygen concentration
Oxygen sensor 16 and the methane transducer 17 for detecting methane concentration；The operation principle and structure of each sensor with it is existing
Technology is consistent, will not be repeated here；Each sensor may be provided between leading portion transverse passage-way 104 and face 103, to improve gas inspection
The precision of survey；Each sensor is connected with corresponding fuzzy controller 41 respectively.
In the present embodiment, the oxygenation unit 3 includes the outlet air end and the second air inlet fan 31b for being located at the first air inlet fan 31a
Outlet air end oxygenerator；Oxygenerator can be for example molecular-sieve oxygen generator structure, and it uses the absorption property of molecular sieve, passes through thing
Principle is managed, using huge discharge oilless (oil free) compressor as power, the nitrogen in air is separated with oxygen, high concentration is finally given
Oxygen, production oxygen is rapid, oxygen concentration is high；When oxygen concentration is not enough in tunnel, wind oxygen regulation controller 43 is sent to oxygenerator to be opened
Dynamic signal, quickly to produce oxygen, it is ensured that the eupnea of staff.
In the present embodiment, D/A converting units 6, institute are connected between the PLC 42 and wind oxygen regulation controller 43
The D/A converter that D/A converting units 6 include being connected with the output end of PLC 42 is stated, the D/A converter is connected to
Signal amplifier between the input of output end and wind oxygen regulation controller 43, and it is connected to the input of D/A converter
Overvoltage crowbar between the output end of signal amplifier；Discrete digital quantity is converted to connection change by D/A converter
Analog quantity；Signal amplifier increases the power of signal, it is ensured that the smooth transmission of signal；Overvoltage crowbar causes system to have
There is over-voltage protecting function, stopped power supply when overtension, it is ensured that the safety of circuit and each electronic unit；Meanwhile, the system is also
Adjusted including the auxiliary reclay 7 being connected between the D/A converting units 6 and wind oxygen regulation controller 43 and with the wind oxygen
The central control equipment 8 that controller 43 is connected；Central control equipment can with large conference room, field panel curtain or individually build
Vertical Control Room is constituted, and sets automatic, manual and emergency stop button for indoor heating system, the automatic system in tunnel can be entered
Row regulation, prevents the wasting of resources.
In the present embodiment, the system also includes being used to provide electricity for environmental monitoring unit 1, unit ventilators 2 and oxygenation unit 3
The power unit of energy；The power unit includes solar photovoltaic assembly 91, MPPT controller 92, battery 93 and inverter
94, the solar photovoltaic assembly 91 is located at outside tunnel and its output end is connected with the input of MPPT controller 92, described
The output end of MPPT controller 92 is connected with the input of battery 93, and the output end of the battery 93 is defeated with inverter 94
Enter end to be connected, the electric power of the output end of the inverter 94 respectively with environmental monitoring unit 1, unit ventilators 2 and oxygenation unit 3 is defeated
Enter end to be connected；Solar photovoltaic assembly 91 can convert light energy into electrical energy for storage in battery 93, and inverter 94 is then production
Raw direct current energy is transformed into alternating current and exported to be used for environmental monitoring unit 1, unit ventilators 2 and oxygenation unit 3, so as to have
Beneficial to the realization of energy-conserving and environment-protective；Moreover, MPPT controller 92 can be tracked to the maximum power point in photovoltaic array, obtain most
The scheme of high-power point, makes power unit Maximum Power Output all the time, so as to improve solar energy utilization ratio；Certainly, environmental monitoring
Unit 1, unit ventilators 2 and the Hai Keyu cities of oxygenation unit 3 are electrically connected, and civil power is enabled when power unit can not meet power demands
It is powered.
In the present embodiment, the solar photovoltaic assembly 91 includes battery assembly and the frame for self-contained battery assembly；
The battery assembly include photovoltaic glass 9101, front adhesive film 9102, spaced array arrangement some crystalline silicon battery plates 9103,
Layer glued membrane 9104 and photovoltaic back 9105, photovoltaic glass 9101, front adhesive film 9102, crystalline silicon battery plate 9103, rear layer glue afterwards
Film 9104 and photovoltaic back 9105 stack gradually gluing from top to bottom；The frame includes frame body and adjusting bracket；The side
Frame body includes upper strut rail 912, lower lagging 913, side plate 914 and shrouding 915 in 911, middle strut rail, the upper strut rail side
911st, middle strut rail side 912, lower lagging 913 are connected with side plate 914 successively from top to bottom, wherein the middle cross rib 912, lower lagging
913rd, side plate 914 and the formation rectangle frame of shrouding 915；The adjusting bracket includes bottom plate 916 and two pieces of stringer boards perpendicular to bottom plate 916
917, the storage tank 918 for housing rectangle frame is formed between two stringer boards 917, and the rectangle frame can be in storage tank 918 bottom of along
The movement in vertical direction of plate 916 is simultaneously positioned by connector 919；The distance between upper strut rail side 911 and bottom plate 916 are frame
Integral thickness, because rectangle frame can be positioned along the movement in vertical direction of bottom plate 916 in storage tank 918 by connector 919,
So as to adjust the distance between upper strut rail side 911 and bottom plate 916 so that the integral thickness of frame can adjust, in transport
Thickness can be dropped to increase the packaging quantity of low photovoltaic module, cost of transportation is reduced；Photovoltaic glass 9101 is transmissive glass, in place
A pair of diffusing reflection portions and a pair of refraction parts are provided with photovoltaic glass 9101 between two neighboring crystalline silicon battery plate 9103,
A pair of diffusing reflection portions are located between a pair of refraction parts, and incident ray is mapped to refraction part after being reflected through diffusing reflection portion, then through refraction part
It is mapped to after refraction on crystalline silicon battery plate 9103；Stringer board 917 is provided with the connecting hole 917a parallel to bottom plate 916, rectangle frame
Provided with least two groups adjustment hole 91a being uniformly arranged from top to bottom, connector 919 is bolt, and bolt is through connecting hole and accordingly
Adjustment hole and rectangle frame is positioned at adjusting bracket.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
1. a kind of Tunnel Ventilation System, it is characterised in that：Including for gathering the environmental monitoring unit of environmental data in tunnel, use
In the unit ventilators divulged information in tunnel, the oxygenation unit for oxygenation in tunnel and for according to the environmental data control collected
The automatic control unit of unit ventilators and oxygenation cell operation；The unit ventilators includes being arranged on tunnel air intake lane for being filled with
The air intake unit of air and it is arranged on tunnel return airway and is used to discharge the exhausting unit of air；The automatic control unit include according to
The fuzzy controller of secondary connection, PLC and wind oxygen regulation controller, the fuzzy controller by data transmission unit with
Environmental monitoring unit is connected, and the wind oxygen regulation controller is connected with unit ventilators and oxygenation unit respectively.
2. Tunnel Ventilation System according to claim 1, it is characterised in that：The air intake unit includes being located at air intake lane lane
Mouthful the first air inlet fan and be located at second air inlet fan of the leading portion transverse passage-way close to air intake lane entrance to a lane side, first air inlet fan
The outlet air end of outlet air end and the second air inlet fan is towards tunnel tunnel face.
3. Tunnel Ventilation System according to claim 2, it is characterised in that：The exhausting unit includes being located at return airway lane
Mouthful the first air exhauster and be located at second air exhauster of the leading portion transverse passage-way close to return airway entrance to a lane side, first air exhauster
The outlet air end of outlet air end and the second air exhauster dorsad tunnel tunnel face.
4. Tunnel Ventilation System according to claim 3, it is characterised in that：Second air inlet fan, the second air exhauster with
The distance between leading portion transverse passage-way is 40m-60m.
5. Tunnel Ventilation System according to claim 3, it is characterised in that：The environmental monitoring unit includes being used to detect
The dust sensor of dust concentration, the carbon monoxide transducer for detecting carbonomonoxide concentration, the wind speed for detecting wind speed
Sensor, the hydrogen sulfide sensor for detecting concentration of hydrogen sulfide, the nitric oxide sensor for detecting nitric oxide concentration,
For detecting the oxygen sensor of oxygen concentration and methane transducer for detecting methane concentration.
6. Tunnel Ventilation System according to claim 5, it is characterised in that：The oxygenation unit includes being located at the first air intake
The oxygenerator of the outlet air end of the outlet air end of machine and the second air inlet fan.
7. Tunnel Ventilation System according to claim 6, it is characterised in that：The PLC and the regulation control of wind oxygen
D/A converting units are connected between device, the D/A converting units include the D/A conversions being connected with the output end of PLC
Device, is connected to the signal amplifier between the input of the output end of the D/A converter and wind oxygen regulation controller, Yi Jilian
It is connected on the overvoltage crowbar between the input of D/A converter and the output end of signal amplifier.
8. Tunnel Ventilation System according to claim 7, it is characterised in that：The system also includes being connected to the D/A turns
Change unit and wind oxygen adjusts the auxiliary reclay between controller and set with the center control that wind oxygen regulation controller is connected
It is standby.
9. Tunnel Ventilation System according to claim 8, it is characterised in that：It is environmental monitoring list that the system, which also includes being used for,
Member, unit ventilators and oxygenation unit provide the power unit of electric energy；The power unit includes solar photovoltaic assembly, MPPT and controlled
Device processed, battery and inverter, the solar photovoltaic assembly be located at outside tunnel and its output end and MPPT controller input
End is connected, and the output end of the MPPT controller is connected with the input of battery, the output end and inverter of the battery
Input be connected, the electric power of the output end of the inverter respectively with environmental monitoring unit, unit ventilators and oxygenation unit is defeated
Enter end to be connected.
10. Tunnel Ventilation System according to claim 9, it is characterised in that：The solar photovoltaic assembly includes battery
Assembly and the frame for self-contained battery assembly；The battery assembly includes what photovoltaic glass, front adhesive film, spaced array were arranged
Some crystalline silicon battery plates, rear layer glued membrane and photovoltaic back, photovoltaic glass, front adhesive film, crystalline silicon battery plate, rear layer glued membrane and
Photovoltaic back stacks gradually gluing from top to bottom；The frame includes frame body and adjusting bracket；The frame body includes upper
Strut rail is in, middle strut rail, lower lagging, side plate and shrouding, the upper strut rail is in, middle strut rail, lower lagging from top to bottom according to
It is secondary to be connected with side plate, wherein the middle cross rib, lower lagging, side plate and shrouding formation rectangle frame；The adjusting bracket include bottom plate and
The storage tank for housing rectangle frame is formed between two pieces of stringer boards perpendicular to bottom plate, two stringer boards, the rectangle frame can be accommodating
In groove along bottom plate movement in vertical direction and positioned by connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544129.2A CN107269307A (en) | 2017-07-05 | 2017-07-05 | Tunnel ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544129.2A CN107269307A (en) | 2017-07-05 | 2017-07-05 | Tunnel ventilation system |
Publications (1)
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| CN107269307A true CN107269307A (en) | 2017-10-20 |
Family
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|---|---|---|---|
| CN201710544129.2A Pending CN107269307A (en) | 2017-07-05 | 2017-07-05 | Tunnel ventilation system |
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| CN110424999A (en) * | 2019-08-27 | 2019-11-08 | 东南大学 | A kind of construction ventilation of tunnel device |
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Application publication date: 20171020 |