CN206000563U - A kind of gas tunnel ventilated energy-saving automatic speed regulation system - Google Patents
A kind of gas tunnel ventilated energy-saving automatic speed regulation system Download PDFInfo
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- CN206000563U CN206000563U CN201621059380.7U CN201621059380U CN206000563U CN 206000563 U CN206000563 U CN 206000563U CN 201621059380 U CN201621059380 U CN 201621059380U CN 206000563 U CN206000563 U CN 206000563U
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Abstract
The utility model discloses a kind of gas tunnel ventilated energy-saving automatic speed regulation system, including blower fan, converter, ventilation duct, detection means, host computer and controller；Detection means includes the first set detecting device of neighbouring face setting and the second set detecting device being arranged at gas tunnel length section center of constructing；It is characterized in that：First set detecting device includes methane transducer, hydrogen sulfide sensor, carbon monoxide transducer, wind speed detector and temperature sensor；Second set detecting device includes methane transducer and carbon monoxide transducer；Detection means also includes the 3rd set detecting device being arranged at gas tunnel entrance, and the 3rd set detecting device includes methane transducer and wind speed detector.This utility model gas tunnel ventilated energy-saving automatic speed regulation system can more precisely know air quality in whole gas tunnel, better assures that construction safety；Reached the purpose of energy-saving and emission-reduction simultaneously.
Description
Technical field
This utility model belongs to gas tunnel field of ventilation and in particular to a kind of gas tunnel ventilated energy-saving is adjusted automatically
Speed system.
Background technology
In highway gas tunnel tunneling ventilation, generally select blower fan according to tunneling ventilation greatest requirements, but in heading driver
Make face gas density less in the case of, tunneling aeration machine still under peak power run, cause great energy waste.With
When, mostly the ventilation blower that vcehicular tunnel uses is that power is big, and operational efficiency is low, is the equipment that energy utilization rate is low, power consumption is big.Mesh
Before, highway at home and abroad tunnel mostly to configure ventilation installation, blower fan by the maximum ventilation resistance and maximum required airflow in whole piece tunnel
As soon as accessing electrical network, long-term constant speed operating, cause the phenomenon of " low load with strong power ".It is true that highway gas tunnel environment bar
Part is complicated, and in driving face, Air Quantity Required is relevant with factors such as tunnel length, windage, gas density, temperature.Ventilation
Machine constant speed operating simply, causes substantial amounts of energy waste.
Notification number is CN104121031A, the technical scheme of entitled " a kind of long distance tunnel construction ventilation monitoring system "
In, it is connected with air-blower control using converter, according to the rotating speed of air quality real-time adjustment blower fan in tunnel, effectively reduce
The consumption of electric energy.But the program still has following weak point：
It is provided with Ambulatory monitoring device in construction tunnel, Ambulatory monitoring device is included to harmful in the program
Gas concentration, dust concentration and wind speed carry out the detection means of real-time detection and the packaged type installed for detection means is installed
Frame；Each detection means includes wind speed detector, gas concentration sensor and sensor of dust concentration.Explanation in conjunction with the program
Book accompanying drawing 1 and accompanying drawing 2 are as can be seen that the program repeats to arrange in the center of construction face and construction tunnel length section
Identical detection means, such that the data type estimated is not only identical but also two groups of numerical value are also more close, unfavorable
Grasp the air quality situation in whole tunnel in the data by recording and turned come more excellent regulation blower fan according to this situation
Speed, thus control air output.
Based on this, applicant considers that design one kind can more precisely know air quality in whole gas tunnel, more
Guarantee well the gas tunnel ventilated energy-saving automatic speed regulation system of construction safety.
Content of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is：How a kind of energy is provided
Enough more precisely know air quality in whole gas tunnel, better assure that the gas tunnel ventilated energy-saving of construction safety certainly
Dynamic governing system.
In order to solve above-mentioned technical problem, this utility model employs following technical scheme：
A kind of gas tunnel ventilated energy-saving automatic speed regulation system, including blower fan, converter, ventilation duct, detection means, upper
Machine and controller；The power interface of described blower fan is electrical connected with the power output interface of described converter, the entering of described blower fan
Air port is located at outside gas tunnel, and the air outlet of described blower fan is connected with the air inlet of described ventilation duct；The going out of described ventilation duct
Air port is adjacent to face；Described detection means is connected with described host computer signal, described host computer and described controller signals phase
Even, described controller is connected with the control signal end of described converter；
Described detection means includes the first set detecting device of neighbouring face setting and is arranged at gas tunnel of constructing
Second set detecting device of length section center；
It is characterized in that：
Described first set detecting device includes methane transducer, hydrogen sulfide sensor, carbon monoxide transducer, wind speed measurement
Instrument and temperature sensor；
Described second set detecting device includes methane transducer and carbon monoxide transducer；
Described detection means also includes the 3rd set detecting device being arranged at gas tunnel entrance, described 3rd group of detection
Device includes methane transducer and wind speed detector.
Above-mentioned gas tunnel ventilated energy-saving automatic speed regulation system, when using, measures the sky in tunnel by detection means
Gas parameter.Because described detection means includes the first set detecting device of neighbouring face setting, is arranged at gas tunnel of constructing
Second set detecting device of road length section center and the 3rd set detecting device being arranged at gas tunnel entrance；Such one
Come, whole construction length section can be made in the data cover tunnel that detection means records such that it is able to more fully accurate must obtain
Take the air conditions in tunnel, and adjust the air output of blower fan according to this air conditions, so that the air matter in tunnel
While amount maintains in the zone of reasonableness being suitable to construct, blower fan is controlled to also function to energy-saving effect by converter.
Additionally, because the first set detecting device includes methane transducer, hydrogen sulfide sensor, carbon monoxide transducer, wind speed
Detector and temperature sensor；Second set detecting device includes methane transducer and carbon monoxide transducer；3rd group of detection dress
Put including methane transducer and wind speed detector；And combine the set location of every set detecting device so that above-mentioned gas tunnel leads to
Wind energy-conservation automatic speed regulation system can be to the gas in length section tunnel of entirely having constructed（Main component is methane）Situation is supervised
Survey, effectively pre- anti-gas explosion is it is ensured that construction safety.Moreover, it is additionally provided with hydrogen sulfide sensor at face, applying
The center of work length of tunnel section also sets up carbon monoxide transducer and in time both toxic gas is monitored, and prevents from applying
Workman person is poisoned, and further ensures that construction safety.
Preferably, described first set detecting device integral installation is on the chassis of neighbouring face.
Chassis, full name lining trolley, it is mainly used in tunnel, concrete cast in diversion tunnel uses.Implement above-mentioned preferred side
After case, need not be equipped with bracing frame and in time it advanced individually to the first set detecting device, economization safe construction works
While amount, the first set detecting device also can improve air quality in gas tunnel with the chassis reach of neighbouring face
Monitoring efficiency and monitoring promptness.
Preferably, the described methane transducer of described first set detecting device is three, and two of which is fixed on institute
State the top of two support beam columns of the width of chassis, another is fixed on the medial surface top of the arch template of described chassis
Portion.
Because methane is less than atmospheric density, the methane in gas tunnel can rise to tunnel top；Therefore when first group
After adopting the methane transducer of above-mentioned arrangement in detection means, three methane transducers are along tunnel width directional spreding,
More precisely the methane gas in tunnel can be measured, improve the reliability of Methane monitoring.
Preferably, described second set detecting device integral installation is on two lining chassis.
Two lining chassis, that is, after the completion of first lining, carry out the chassis that the cast of secondary lining concrete uses；Two lining chassis are usual
The medium position of length section in construction tunnel.After implementing above-mentioned preferred version, need not individually give second group of detection dress
Put outfit bracing frame and in time it is advanced, while economization safe construction workload, the second set detecting device also can
With two lining chassis reaches, improve the monitoring efficiency of air quality and monitoring promptness in gas tunnel.
Preferably, described blower fan is counter rotating fan.
Counter rotating fan is by two（Or two or more）The blower fan of same model（Adapted motor and the number of blade, installation
Angle is identical or different）It is cascaded, I and II impeller is closely aligned together, and flow rotation in first order impeller
Direction is in opposite direction with flow rotation in the impeller of the second level, so that air-flow flows out as far as possible vertically.Therefore, to rotation two-stage string
Blast produced by the blower fan of through transport row is more than the twice of simple fan blast, and air-supply is in hgher efficiency.
Preferably, the test side of described temperature sensor is towards ground, and the surface of described temperature sensor is also solid
Surely it is provided with shutter, projection on vertical for the described shutter can cover described temperature sensor.
After implementing above-mentioned preferred version, shutter can effectively prevent in tunnel overboard and first lining serosity trickle down in temperature
Cause temperature sensor cannot measure the situation of ambient temperature information on sensor, play the effect of protection temperature sensor, and
Temperature sensor is persistently reliably run.
Preferably, the outside of described methane transducer is covered with a protective cover；It is provided with described protective cover with outward
The through hole of portion's connection.
The setting of above-mentioned protective cover, can effectively prevent tunnel overboard and serosity drops to methane transducer and leads to methane
Sensor measurement inaccurate ground situation, better assures that methane transducer can persistently reliably run.
Preferably, described methane transducer, hydrogen sulfide sensor, carbon monoxide transducer, wind speed detector and temperature
Sensor is separately fixed in a protecting box, described protecting box integrally rectangular body shape, and is provided with one in this protecting box
For observing the perforate of sensor registration, this protecting box is additionally provided with by box with the through hole connecting outside box, described through hole
Parallel interval is provided with many guide plates, and described many guide plates are collectively forming blind shaped structure.
When each sensor is respectively according to after in above-mentioned protecting box, more preferable Anti-drip can be played by protecting box and prevent
The effect hit, thus preferably protect sensor.Additionally, hundred being formed at above-mentioned through hole and through hole are arranged on protecting box
Leaf window-like configuration, while ensureing that air smoothly circulates, it may have certain dustproof effect, preferably safeguards sensor
Running environment.
Preferably, described protective cover is obtained by hard material.
So, the structure of the protective cover being obtained by hard material is more firm, is prevented from damaging when chassis is mobile
Bad, more permanently containing methane transducer is protected.
This utility model gas tunnel ventilated energy-saving automatic speed regulation system can more precisely know whole gas tunnel
Interior air quality, better assures that construction safety.
Brief description
Fig. 1 is the structural representation of this utility model gas tunnel ventilated energy-saving automatic speed regulation system.
In figure is labeled as：
1 gas tunnel, 11 faces, 3 blower fans, 4 converters, 5 ventilation ducts, 6 host computers, 7 controllers, 21 first groups of detections
Device, 22 second set detecting devices, 23 the 3rd set detecting devices.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, for description using all as above,
Under, the exemplary term such as left and right is it is therefore intended that help reader to understand, and be not intended to be limited.
As shown in figure 1, a kind of gas tunnel ventilated energy-saving automatic speed regulation system, including blower fan 3, converter 4, ventilation duct 5,
Detection means, host computer 6 and controller 7；The power interface of described blower fan 3 is electrical with the power output interface of described converter 4
It is connected, the air inlet of described blower fan 3 is located at outside gas tunnel 1, the air inlet of the air outlet of described blower fan 3 and described ventilation duct 5
Connect；The air outlet of described ventilation duct 5 is adjacent to face 11；Described detection means is connected with described host computer 6 signal, described
Host computer 6 is connected with described controller 7 signal, and described controller 7 is connected with the control signal end of described converter 4；
Described detection means includes the first set detecting device 21 of neighbouring face 11 setting and is arranged at gas of constructing
Second set detecting device 22 of tunnel 1 length section center；
Described first set detecting device 21 includes methane transducer, hydrogen sulfide sensor, carbon monoxide transducer, wind speed inspection
Survey instrument and temperature sensor；
Described second set detecting device 22 includes methane transducer and carbon monoxide transducer；
Described detection means also includes being arranged at the 3rd set detecting device 33 of gas tunnel 1 entrance, described 3rd group
Detection means 33 includes methane transducer and wind speed detector.
During enforcement, the preferably second set detecting device is apart from face 100 to 200m.
During enforcement, described controller 7 can be selected for single-chip microcomputer or PLC（Programmable logic controller (PLC)）.Preferably with same ventilation
The blower fan 3 that pipe 5 insertion connects is at least two.The ventilation entering tunnel so can be better controled over.
Wherein, the integral installation of described first set detecting device 21 is in the chassis of neighbouring face 11（In figure is not shown）On.
Wherein, the described methane transducer of described first set detecting device 21 is three, and two of which be fixed on described
The top of two support beam columns of the width of chassis, another is fixed on the medial surface top of the arch template of described chassis
Portion.
Wherein, the integral installation of described second set detecting device 22 serves as a contrast chassis two（In figure is not shown）On.During enforcement, preferably
The methane transducer being installed on two lining chassis is three and employing is arranged with methane transducer identical on face 11 chassis
Structure.
Wherein, described blower fan 3 is counter rotating fan.
Wherein, the test side of described temperature sensor is towards ground, and the also fixation of the surface of described temperature sensor sets
It is equipped with shutter, projection on vertical for the described shutter can cover described temperature sensor.
Wherein, the outside of described methane transducer is covered with a protective cover；It is provided with described protective cover and connect with outside
Logical through hole.During enforcement, the profile of preferably protective cover is integrally in rectangular configuration, and this protective cover four sides in the horizontal open
Open.So, so that the air between protective cover is internal and outside preferably flows while guaranteeing Anti-drip function
Logical, the accuracy of measurement of lifting methane transducer.
Wherein, described protective cover is obtained by hard material.During enforcement, hard material can be selected for rustless steel, rigid plastics or
Any one of aluminium alloy or multiple.
In above-mentioned gas tunnel ventilated energy-saving automatic speed regulation system：
Temperature sensor, in order to measure the real-time temperature values of related work region position in construction tunnel；
Methane transducer, in order to measure real-time gas concentration everywhere inside and outside construction tunnel working region；
Hydrogen sulfide sensor, in order to measure real-time concentration of hydrogen sulfide value everywhere inside and outside construction tunnel working region；
Controller 7 is connected with temperature sensor, methane transducer, hydrogen sulfide sensor and converter 4, in order to pass to temperature
Temperature parameter, gas density parameter, concentration of hydrogen sulfide parameter and blower fan 3 that sensor, methane transducer, hydrogen sulfide sensor produce
Operational factor received, and make decisions according to the decision making algorithm that is set in controller 7, converter 4 be controlled；
Converter 4 connects municipal power supply, and is connected with blower fan 3, to control blower fan 3 rotating speed；
Host computer 6 is communicated to connect with controller 7, in order to receive and to preserve temperature parameter, the gas density that controller 7 sends
The operational factor of parameter, concentration of hydrogen sulfide parameter and blower fan 3, when abnormal conditions in controller 7, can be by artificial input ginseng
Number to control each ventilated energy-saving automatic speed regulation unit respectively to ensure the seriality of construction ventilation.
Preferably, described blower fan 3 is directly connected with power supply by catalyst, when control system breaks down, frequency conversion
Device 4 does not work, and now blower fan 3 is directly accessed power supply it is ensured that the operating of blower fan 3 is it is ensured that construction safety by catalyst.
Above-mentioned gas tunnel ventilated energy-saving automatic speed regulation system, installs temperature sensing by each position in tunnel
Device, methane transducer, hydrogen sulfide sensor and carbon monoxide transducer, by the gas density of each position in tunnel and temperature
Real time data send controller 7 to, controller 7 makes decisions according to the decision making algorithm being set in controller 7, with to frequency conversion
Device 4 is controlled, thus reaching control blower fan 3, adjusts the purpose of wind speed.《Safety regulations in coal mine（2011 editions）》Require hydrogen sulfide
Concentration must not exceed 0.00066%, and the air themperature of getting working face must stop operation more than 30 DEG C, present low gas, high methane,
Coal（Rock）With the coal road of Gas Outburst mine, half-coal rock roadway and the stone drifting work surface methane warning concentration having Gas it is
0.5%, power-off required concentration is 1.0%.
When controller 7 automatically controls converter 4 and breaks down, because this utility model is provided with host computer 6, by artificial
Input parameters to control each controller 7 respectively, thus controlling converter 4, reaching control blower fan 3, adjusting the mesh of wind speed
's.The technical program can be in good time monitoring tunnel in air conditions, and effectively controlled according to the air conditions of construction tunnel
The rotating speed of blower fan 3 processed, efficiently avoid the situation of " low load with strong power " and causes the problem of energy waste.
The above is only this utility model preferred embodiment, need to point out be, for those skilled in the art without departing from
On the premise of the technical program, some deformation can also be made and improve, above-mentioned deformation and improved technical scheme should equally regard
For fall into this application claims scope.
Claims (9)
1. a kind of gas tunnel ventilated energy-saving automatic speed regulation system, including blower fan, converter, ventilation duct, detection means, host computer
And controller；The power interface of described blower fan is electrical connected with the power output interface of described converter, the air intake of described blower fan
Mouth is located at outside gas tunnel, and the air outlet of described blower fan is connected with the air inlet of described ventilation duct；The air-out of described ventilation duct
The neighbouring face of mouth；Described detection means is connected with described host computer signal, and described host computer is connected with described controller signals,
Described controller is connected with the control signal end of described converter；
Described detection means includes the first set detecting device of neighbouring face setting and is arranged at gas tunnel length of constructing
Second set detecting device of section center；
It is characterized in that：
Described first set detecting device include methane transducer, hydrogen sulfide sensor, carbon monoxide transducer, wind speed detector and
Temperature sensor；
Described second set detecting device includes methane transducer and carbon monoxide transducer；
Described detection means also includes the 3rd set detecting device being arranged at gas tunnel entrance, described 3rd set detecting device
Including methane transducer and wind speed detector.
2. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described first group of inspection
Survey device integral installation on the chassis of neighbouring face.
3. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 2 it is characterised in that：Described first group of inspection
The described methane transducer surveying device is three, and two of which is fixed on two support beam columns of the width of described chassis
Top, another is fixed on the medial surface top of the arch template of described chassis.
4. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described second group of inspection
Survey device integral installation on two lining chassis.
5. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described blower fan is right
Rotating ventilation blower.
6. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described temperature sensing
The test side of device is towards ground, and the surface of described temperature sensor is further fixedly arranged on shutter, and described shutter is perpendicular
Projection upwards can cover described temperature sensor.
7. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described methane sensing
The outside of device is covered with a protective cover；Through hole with ft connection is provided with described protective cover.
8. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described methane sensing
Device, hydrogen sulfide sensor, carbon monoxide transducer, wind speed detector and temperature sensor are separately fixed in a protecting box,
Described protecting box integrally rectangular body shape, and a perforate for observing sensor registration, this guarantor are provided with this protecting box
Shield box on be additionally provided with by box with the through hole connecting outside box, described through hole parallel interval is provided with many guide plates, described
Many guide plates are collectively forming blind shaped structure.
9. gas tunnel ventilated energy-saving automatic speed regulation system according to claim 1 it is characterised in that：Described protective cover by
Hard material is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059380.7U CN206000563U (en) | 2016-09-18 | 2016-09-18 | A kind of gas tunnel ventilated energy-saving automatic speed regulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059380.7U CN206000563U (en) | 2016-09-18 | 2016-09-18 | A kind of gas tunnel ventilated energy-saving automatic speed regulation system |
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| CN206000563U true CN206000563U (en) | 2017-03-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269306A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Double hole highway tunnel construction ventilating systems |
| CN107524467A (en) * | 2017-07-05 | 2017-12-29 | 刘毅 | Highway tunnel construction laneway type exhaust system |
| CN108150211A (en) * | 2017-12-21 | 2018-06-12 | 中国铁建电气化局集团有限公司 | Tunnel ventilation control method and system based on wind speed |
| CN109578045A (en) * | 2018-12-03 | 2019-04-05 | 中国矿业大学 | The Fan Regulation method, apparatus and electronic equipment of face gas density are adopted in regulation |
| CN110792478A (en) * | 2019-11-13 | 2020-02-14 | 中铁十局集团有限公司 | Omnibearing monitoring method for various mixed harmful gases in non-coal measure stratum tunnel |
| CN112267915A (en) * | 2020-10-23 | 2021-01-26 | 重庆市交通工程监理咨询有限责任公司 | Gas early warning system for tunnel construction |
| CN117662227A (en) * | 2023-10-23 | 2024-03-08 | 中铁七局集团第四工程有限公司 | Construction method applied to gas tunnel |
-
2016
- 2016-09-18 CN CN201621059380.7U patent/CN206000563U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269306A (en) * | 2017-07-05 | 2017-10-20 | 刘毅 | Double hole highway tunnel construction ventilating systems |
| CN107524467A (en) * | 2017-07-05 | 2017-12-29 | 刘毅 | Highway tunnel construction laneway type exhaust system |
| CN108150211A (en) * | 2017-12-21 | 2018-06-12 | 中国铁建电气化局集团有限公司 | Tunnel ventilation control method and system based on wind speed |
| CN109578045A (en) * | 2018-12-03 | 2019-04-05 | 中国矿业大学 | The Fan Regulation method, apparatus and electronic equipment of face gas density are adopted in regulation |
| CN110792478A (en) * | 2019-11-13 | 2020-02-14 | 中铁十局集团有限公司 | Omnibearing monitoring method for various mixed harmful gases in non-coal measure stratum tunnel |
| CN112267915A (en) * | 2020-10-23 | 2021-01-26 | 重庆市交通工程监理咨询有限责任公司 | Gas early warning system for tunnel construction |
| CN117662227A (en) * | 2023-10-23 | 2024-03-08 | 中铁七局集团第四工程有限公司 | Construction method applied to gas tunnel |
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