CN206942801U - Tunnel automatic ventilation control system - Google Patents
Tunnel automatic ventilation control system Download PDFInfo
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- CN206942801U CN206942801U CN201720602119.5U CN201720602119U CN206942801U CN 206942801 U CN206942801 U CN 206942801U CN 201720602119 U CN201720602119 U CN 201720602119U CN 206942801 U CN206942801 U CN 206942801U
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Abstract
The utility model discloses a kind of tunnel automatic ventilation control system, the system includes being used for the environmental monitoring unit for gathering the environmental data in tunnel, for the unit ventilators for automatic ventilation in tunnel, for the automatic aeration unit for automatic aeration in tunnel, and for according to the environmental data control unit ventilators and the automatic control unit of automatic aeration cell operation collected；The second ventilation unit that the unit ventilators includes the first ventilation unit for being arranged on the tunnel face in the tunnel and is arranged in the tunnel；The environmental monitoring unit includes the environment monitoring sensor being arranged in tunnel；The automatic control unit includes fuzzy controller, PLC, D/A converter and the blower fan distribution adjustment control device being sequentially connected, the fuzzy controller is connected by data transfer with converting unit with the environmental monitoring unit, and the blower fan distribution adjustment control device is connected with the unit ventilators and automatic aeration unit respectively.
Description
Technical field
It the utility model is related to a kind of construction ventilation of tunnel control system, more particularly to a kind of tunnel automatic ventilation control system
System.
Background technology
At present, with the fast development of communication, the construction of highway, railway and underwater major long tunnel over strait is increasingly
It is more, and these engineerings are often the main projects of whole engineering, its main cause is long construction period, and construction environment is poor,
Unidirectional digging footage time length 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 worker, especially highlands
Also there is near face oxygen content deficiency, cause construction operation device efficiency decline, worker frequently change or carry compared with
Weight oxygen supply equipment work, have a strong impact on the efficiency of constructing tunnel.
Traditional major long tunnel construction ventilation mode is applied mainly using modes such as parallel pilot tunnel, inclined shaft or vertical shafts
The work cycle is grown, less efficient；Also, it is low using measuring method efficiency such as traditional pernicious gases and dust content in constructing, into
This height is also not prompt enough；And use continuous draft type keep construction tunnel in environmental standard it is up to standard, although efficiency compared with
Height, but it is high to the human users and equipment requirement at tunnel scene, and machine cost and cost of use are also high.
In addition, with the increase of tunnel piercing length, the discharge of poisonous waste and dilution in tunnel are difficult, auxiliary by increasing
Ventilation time is helped, increase auxiliary construction vent passages or relies on manual control discharge and dilution evil material relatively difficult, using certainly
Autocontrol system is present construction general orientation.
Utility model content
The purpose of this utility model is to provide a kind of tunnel automatic ventilation control system, is divulged information with solving existing major long tunnel
The problem of automaticity is low, and drafting efficiency is low and cost is high.
In order to solve the above technical problems, the utility model provides a kind of tunnel automatic ventilation control system, including for adopting
Collect the environmental monitoring unit of the environmental data in tunnel, for the unit ventilators for automatic ventilation in tunnel, for in tunnel
The automatic aeration unit of automatic aeration, and for according to the environmental data control unit ventilators and automatic aeration unit collected
The automatic control unit of work；Unit ventilators includes the first ventilation unit for being arranged on the tunnel face in tunnel and is arranged in tunnel
Second ventilation unit；Automatic control unit includes fuzzy controller, PLC and the regulation control of blower fan distribution being sequentially connected
Device processed, fuzzy controller are connected by data transfer with converting unit with environmental monitoring unit, blower fan distribution adjustment control device point
It is not connected with unit ventilators and automatic aeration unit.
Further, the second ventilation unit is arranged on the side of lateral line vehicle passage in tunnel, and the second ventilation unit with
The distance between lateral line vehicle passage is 40m-55m in tunnel.
Further, the second ventilation unit is arranged on the side by tunnel face of lateral line vehicle passage in tunnel.
Further, environmental monitoring unit includes dust sensor, carbon monoxide transducer, air velocity transducer, hydrogen sulfide
The combination of one or both of sensor, nitric oxide sensor, oxygen sensor and methane transducer or whole.
Further, automatic aeration unit includes oxygenation instrument, and is connected with oxygenation instrument and blower fan distribution adjustment control device
Oxygenation controller.
Further, D/A converting units are connected between PLC and blower fan distribution adjustment control device, D/A conversions are single
Member includes the D/A converter being connected with the output end of control unit, is connected to output end and the regulation of blower fan distribution of D/A converter
Signal amplifier between the input of controller, and it is connected to the output of the input and signal amplifier of D/A converter
Overvoltage crowbar between end.
Further, the system also includes the centre being connected between D/A converting units and blower fan distribution adjustment control device
Relay.
Further, the system also includes the central control equipment being connected with blower fan distribution adjustment control device.
The beneficial effects of the utility model are：The construction environment in major long tunnel is carried out by using environmental monitoring unit
Monitoring obtains real time environmental data in real time, by control unit according to the real time environmental data automatic ventilation unit detected and certainly
Dynamic oxygenation cell operation, to ensure that pernicious gas and dust, oxygen content in tunnel etc. are in rational scope, meet construction skill
Art environmental requirement, while use and the run time of instrument and equipment have been saved, reduce bad construction environment in constructing tunnel and make
Into accident and loss, ensured the personal safety of operating personnel.Also, the unit ventilators need not build secondary ventilation vertical shaft
With inclined shaft etc., engineering construction time and expense have been saved, has reduced construction costs.In addition, the system using flexible is strong, play
Automatic, intelligence, energy-saving and environmental protection, the effect of accelerating construction progress.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this
Same or analogous part, the schematic description and description of the application are represented using identical reference number in a little accompanying drawings
For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings：
Fig. 1 is the structured flowchart of the utility model one embodiment；
Fig. 2 is the wind turbine layout figure of the utility model one embodiment.
Wherein：1st, dust sensor；2nd, carbon monoxide transducer；3rd, air velocity transducer；4th, hydrogen sulfide sensor；5th, an oxygen
Change nitrogen sensor；6th, oxygen sensor；7th, methane transducer；8th, PLC；9-15, fuzzy controller；16th, D/A conversions are single
Member；17th, auxiliary reclay；18th, blower fan distribution adjustment control device；19th, automatic aeration unit；20th, central control equipment；21st,
One ventilation unit；22nd, the second ventilation unit.
Embodiment
Tunnel automatic ventilation control system as shown in Figure 1, the system include environmental monitoring unit, unit ventilators, automatic
Control unit and automatic aeration unit 19.Each part is described in detail separately below：
Environmental monitoring unit includes some environmental monitoring units being distributed in major long tunnel, and environmental monitoring unit includes powder
Dust sensor 1, carbon monoxide transducer 2, air velocity transducer 3, hydrogen sulfide sensor 4, nitric oxide sensor 5, oxygen sensor
Device 6 and methane transducer 7, and sensing element in integrated sensor apparatus and tool housing use special explosion-proof material, and can
It is subjected to non-leakage under the effect of water pressure not less than 0.1mPa.In work progress, by using environmental monitoring unit to growing up
Monitoring obtains real time environmental data in real time for the progress such as evil gas and dust, oxygen content in tunnel.
As shown in Fig. 2 unit ventilators includes the first ventilation unit 21 for being arranged on the tunnel face of major long tunnel and set
The second ventilation unit 22 in major long tunnel.Wherein, the second ventilation unit 22 is arranged on one of lateral line vehicle passage in tunnel
Side, and the distance between lateral line vehicle passage is 40m-55m in the second ventilation unit 22 and tunnel.
According to one embodiment of the application, what the second ventilation unit 22 was arranged on lateral line vehicle passage in tunnel leans on tunnel
The side of mouth, and the distance between lateral line vehicle passage is 50mm in the second ventilation unit 22 and tunnel, and it is logical except laterally driving a vehicle
Other transverse passage-ways in road should be closed using sealing curtain, avoid producing channelling, influence ventilation effect.
Automatic aeration unit 19 includes the oxygenation instrument being arranged in major long tunnel, and is adjusted with oxygenation instrument and blower fan distribution
The oxygenation controller that controller 18 connects, in work progress, automatic control unit can be utilized according to the oxygen content in tunnel
Oxygenation controller driving oxygenation instrument work is controlled, to carrying out oxygenation in tunnel.
Automatic control unit includes connecting one to one by data transfer and converting unit and some environmental monitoring units
Some fuzzy controller 9-15 (the PLC Step7 chips of such as Siemens), connect with some fuzzy controller 9-15 output end
The PLC 8 connect, the D/A converting units 16 being connected with the output end of PLC 8, the output with D/A converting units 16
End connection auxiliary reclay 17, and the blower fan distribution adjustment control device 18 being connected with the output end of auxiliary reclay 17.Wherein,
First ventilation unit 21, second ventilation unit 22 and automatic aeration unit 19 are connected with blower fan distribution adjustment control device 18, are
Signal transmission cable in system uses Shielded Twisted Pair cable, avoids mutual signal interference, influences using effect.Also, utilize
PLC 8 produces automatic control signal according to the evil gas flow in the tunnel received and Dust Capacity, oxygen content, is ability
The technological means that field technique people commonly uses, is not repeated herein.
D/A converting units 16 include the D/A converter being connected with the output end of automatic control unit, are connected to D/A conversions
Signal amplifier between the output end of device and the input of blower fan distribution adjustment control device 18, and it is connected to D/A converter
Input and signal amplifier output end between overvoltage crowbar.
In addition, the system also includes the central control equipment 20 and display unit being connected with blower fan distribution adjustment control device 18
(not shown).Central control equipment 20 can be formed with large conference room, field panel curtain or the Control Room individually established, right
Automatic, manual and emergency stop button is set in indoor heating system, the automatic system in tunnel can be adjusted, prevents that resource is unrestrained
Take.
The system carries out monitoring in real time to the construction environment in major long tunnel by using environmental monitoring unit and obtained in real time
Environmental data, by automatic control unit according to the real time environmental data automatic ventilation unit and automatic aeration unit 19 detected
Work, to ensure that pernicious gas and dust, oxygen content in tunnel etc. are in rational scope, meet that construction technology environment will
Ask, while saved use and the run time of instrument and equipment, reduce accident caused by bad construction environment in constructing tunnel
And loss, ensure the personal safety of operating personnel.Also, the unit ventilators need not build secondary ventilation vertical shaft and inclined shaft
Deng having saved engineering construction time and expense, reduced construction costs.In addition, the system using flexible is strong, serve certainly
Dynamic, intelligence, energy-saving and environmental protection, the effect of accelerating construction progress.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (7)
1. a kind of tunnel automatic ventilation control system, it is characterised in that including the environment for gathering the environmental data in tunnel
Monitoring unit, for the unit ventilators for automatic ventilation in tunnel, for the automatic aeration unit for automatic aeration in tunnel, with
And for according to the environmental data control unit ventilators and the automatic control unit of automatic aeration cell operation collected；It is described logical
Wind unit includes the first ventilation unit for being arranged on the tunnel face in the tunnel and the second ventilation blower being arranged in the tunnel
Group；The automatic control unit includes fuzzy controller, PLC and the blower fan distribution adjustment control device being sequentially connected, institute
State fuzzy controller to be connected with converting unit with the environmental monitoring unit by data transfer, the blower fan distribution adjustment control
Device is connected with the unit ventilators and automatic aeration unit respectively；
The environmental monitoring unit includes dust sensor, carbon monoxide transducer, air velocity transducer, hydrogen sulfide sensor, one
The combination of one or both of nitrogen oxide sensor, oxygen sensor and methane transducer or whole.
2. tunnel automatic ventilation control system according to claim 1, it is characterised in that the second ventilation unit is set
The side of lateral line vehicle passage in tunnel, and the distance between second ventilation unit and lateral line vehicle passage in the tunnel is
40m-55m。
3. tunnel automatic ventilation control system according to claim 1, it is characterised in that the second ventilation unit is set
The side by tunnel face of lateral line vehicle passage in tunnel.
4. tunnel automatic ventilation control system according to claim 1, it is characterised in that the automatic aeration unit includes
Oxygenation instrument, and the oxygenation controller being connected with the oxygenation instrument and blower fan distribution adjustment control device.
5. tunnel automatic ventilation control system according to claim 1, it is characterised in that the PLC and blower fan
D/A converting units are connected between distribution adjustment control device, the D/A converting units include being connected with the output end of control unit
D/A converter, the signal being connected between the output end of the D/A converter and the input of blower fan distribution adjustment control device
Amplifier, and the overvoltage crowbar being connected between the input of D/A converter and the output end of signal amplifier.
6. tunnel automatic ventilation control system according to claim 5, it is characterised in that the system also includes being connected to institute
State the auxiliary reclay between D/A converting units and blower fan distribution adjustment control device.
7. tunnel automatic ventilation control system according to claim 1, it is characterised in that the system also includes and the wind
The central control equipment of machine distribution adjustment control device connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602119.5U CN206942801U (en) | 2017-05-26 | 2017-05-26 | Tunnel automatic ventilation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602119.5U CN206942801U (en) | 2017-05-26 | 2017-05-26 | Tunnel automatic ventilation control system |
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| Publication Number | Publication Date |
|---|---|
| CN206942801U true CN206942801U (en) | 2018-01-30 |
Family
ID=61363358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720602119.5U Active CN206942801U (en) | 2017-05-26 | 2017-05-26 | Tunnel automatic ventilation control system |
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| Country | Link |
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| CN (1) | CN206942801U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590765A (en) * | 2018-03-26 | 2018-09-28 | 山东大学 | Ventilation intelligent monitor system and method suitable for the tunneling and underground engineering construction time |
| CN108661687A (en) * | 2018-05-17 | 2018-10-16 | 西安建筑科技大学 | A kind of tunnel energy-saving ventilating air linkage complex control system and installation method |
| CN113309537A (en) * | 2021-06-30 | 2021-08-27 | 济南市市政工程设计研究院（集团）有限责任公司 | Integrated tunnel pilot tunnel and method for realizing forward slag-discharging, ventilating, escaping and exploring |
| CN113446044A (en) * | 2021-07-06 | 2021-09-28 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic inflation air bag supercharging cabin full-tunnel oxygen supply device |
-
2017
- 2017-05-26 CN CN201720602119.5U patent/CN206942801U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590765A (en) * | 2018-03-26 | 2018-09-28 | 山东大学 | Ventilation intelligent monitor system and method suitable for the tunneling and underground engineering construction time |
| CN108661687A (en) * | 2018-05-17 | 2018-10-16 | 西安建筑科技大学 | A kind of tunnel energy-saving ventilating air linkage complex control system and installation method |
| CN113309537A (en) * | 2021-06-30 | 2021-08-27 | 济南市市政工程设计研究院（集团）有限责任公司 | Integrated tunnel pilot tunnel and method for realizing forward slag-discharging, ventilating, escaping and exploring |
| CN113446044A (en) * | 2021-07-06 | 2021-09-28 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic inflation air bag supercharging cabin full-tunnel oxygen supply device |
| CN113446044B (en) * | 2021-07-06 | 2022-05-10 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic-inflation air bag supercharging bin full-tunnel oxygen supply device |
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