CN208546181U - Tunnel air curtain smoke control system - Google Patents
Tunnel air curtain smoke control system Download PDFInfo
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- CN208546181U CN208546181U CN201820910030.XU CN201820910030U CN208546181U CN 208546181 U CN208546181 U CN 208546181U CN 201820910030 U CN201820910030 U CN 201820910030U CN 208546181 U CN208546181 U CN 208546181U
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- air
- tunnel
- air curtain
- outlet
- exhaust
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Abstract
The utility model discloses tunnel air curtain smoke control system, the tunnel is the tunnel of two-way lane, is equipped with interlayer, including PC machine, controller, air intake passage, air-out passage, monitoring unit, alarm unit and several air curtain units between lane；The air intake passage and air-out passage are disposed side by side below tunnel interlayer, and the both ends of the two are in communication with the outside respectively；The monitoring unit includes several image-type fire detectors；The alarm unit includes the fire alarm that several and controller being arranged in tunnel is connected；Tunnel is divided into equidistant several segments, an air curtain unit is equipped in every section of tunnel, air curtain unit includes microprocessor, inlet air plenum, exhaust air box, air-out component and gas deflation assembly.The system can detect the situation in tunnel at any time, in the case where fire etc. occurs and can generate a large amount of smog and alarm and carry out air curtain smoke abatement, avoid casualties and damage to property as far as possible.
Description
Technical field
The utility model relates to tunnel air curtain smoke control systems.
Background technique
Tunnel refers to the channel digged up in existing building or rock structure, is the engineering construction being embedded in stratum
Object is a kind of form of human use's underground space.However, tunnel once occurs since only both ends are connected with the external world in tunnel
Road fire can not only damage property, also result in evacuating personnel and fire extinguishing fighting is difficult, or even cause casualties.Therefore, such as
What fast and accurately detects fire, and timely handles it, is rapid control fire behavior and implements rescue and drop to personnel
The key of low loss.
Utility model content
Purpose of the utility model is to solve above-mentioned technical problems, provide a kind of tunnel air curtain smoke controlling system
System, which can detect the situation in tunnel at any time, in the case where fire etc. occurs and can generate a large amount of smog and alarm simultaneously
And air curtain smoke abatement is carried out, casualties and damage to property are avoided as far as possible.
To achieve the above object, the technical solution adopted in the utility model is as follows:
Tunnel air curtain smoke control system, the tunnel are the tunnel of two-way lane, and interlayer is equipped between lane, including
PC machine, controller, air intake passage, air-out passage, monitoring unit, alarm unit and several air curtain units；The air intake passage and
Air-out passage is disposed side by side below tunnel interlayer, and the both ends of the two are in communication with the outside respectively, for giving air curtain unit supply and discharge
Wind；The monitoring unit includes several image-type fire detectors for being uniformly arranged on tunnel upper, and all image-type fire are visited
Survey device passes through optical fiber transmission module and is connected with controller, detection data is transferred to controller by optical fiber；The alarm
Unit includes the fire alarm that several and controller being arranged in tunnel is connected；Tunnel is divided into equidistant several segments,
An air curtain unit is equipped in every section of tunnel, air curtain unit includes microprocessor, be arranged in inlet air plenum in tunnel interlayer and
Exhaust air box, several air-out components for delivery air curtain for being uniformly arranged on tunnel upper wall and being connected with inlet air plenum, and if
It is dry be uniformly arranged on tunnel upper wall and be connected to exhaust air box for exhaust gas deflation assembly, the inlet air plenum by air blower with
Air intake passage connection, the exhaust air box are connected to by exhaust blower with air exhaust passage；The air-out component and gas deflation assembly interval are set
It sets, the air blower, exhaust blower are connected with microprocessor, and the microprocessor and PC machine are connected with controller.
Specifically, the air-out component includes the rotary electric machine for being arranged in tunnel and being connected with microprocessor, along tunnel
The air curtain pipe that road width direction is rotatably arranged on tunnel upper and is connected to inlet air plenum, is arranged in the air outlet below air curtain pipe,
The rotary electric machine is connected to by transmission belt with air curtain pipe, to drive the rotation of air curtain pipe and then adjust the air of air outlet out
Curtain angle.
Preferably, the air outlet is set as the structure of shutter, in order to make outlet air form air curtain.
Preferably, the outlet air end that several upper ends are connected to air curtain pipe is set on the air outlet, and outlet air end is presented
Small lower big flat flabellum shape.
More specifically, being connected between outlet air end and air curtain pipe by rolling up wind apparatus, the volume wind apparatus includes cylinder,
It is arranged in the spiral helical baffle in the intracorporal cross section of cylinder, described cylinder one end connects with air curtain pipe and makes in helical baffle
Portion is connected to air curtain pipe, and the cylinder other end connects with outlet air end and cuts outlet air end upper end with helical baffle outermost layer
To connection, so that air accelerates after entering in the middle part of cylinder inside spin baffle from air curtain pipe with helical baffle helical flow, it is final logical
Cross the air curtain that the discharge of outlet air end has spiral wind.
Further, the gas deflation assembly includes the air-exhausting duct that tunnel upper is arranged in and is connected to exhaust air box, is uniformly set
Several exhaust outlets below air-exhausting duct are set, the exhaust outlet is set as shutter.
Further, the air blower, exhaust blower pass through frequency converter and are connected with microprocessor.
Further, the air curtain unit further includes at least two gas concentration lwevels inspection being connected with microprocessor
Survey device and at least two carbonomonoxide concentration detectors.
Preferably, the optical fiber transmission module uses single mode optical fiber, and forms looped network using corresponding module is received and dispatched, and prevents
Light network loss bad video can not transmit.
Preferably, the model JTT-H-FANT6091 of described image type fire detector.
The utility model additionally provides the method for carrying out tunnel smoke controlling using above system, when somewhere generates greatly in tunnel
When measuring flue gas, smoke abatement is carried out according to the following steps:
(1) image-type fire detector of corresponding position can detect in time at this and have flue gas and detect in monitoring unit
Fire whether occurs, while the information detected is transferred to by controller by optical fiber transmission module；Here, controller processing letter
Subsequent operation can be voluntarily carried out according to setting after breath, subsequent operation can also be manually set by PC machine；
(2) controller sends an instruction to alarm unit, make tunnel's entrance and exit and at this near fire alarm alarm,
To prompt the vehicle near to the vehicle of access tunnel and at this, in order to evacuate vehicle, avoid traffic congestion；
(3) controller sends an instruction to microprocessor root of the place in the air curtain unit of tunnel construction sections, air curtain unit
Air blower, exhaust blower, gas concentration lwevel detector and carbonomonoxide concentration detector are opened according to instruction, makes air-out component direction
Blow out several air curtains at this, and air curtain drives at this flue gas towards being discharged at air draft component, and then reaches smoke abatement purpose；When two
Carbonoxide concentration detector and carbonomonoxide concentration detector detect that carbon dioxide and carbon monoxide contain in region at this
After amount meets setting value, air curtain unit can be closed.
Compared with prior art, the utility model has the following beneficial effects:
(1) monitoring unit of the utility model carries out tunnel monitoring using image-type fire detector, is based in recent years
Come the image-type fire detection technology quickly grown.Image-type fire detector belongs to the detector of imaging-type, is provided simultaneously with sky
Between and temporal resolution detectivity, can (optical characteristics, shape, jumping frequency rate, the variation tendency of flame from different perspectives
Deng) comprehensive analysis and judgement are carried out, real flame and other interference source (such as solar radiation, solar flare radiation, electric arcs can be distinguished rapidly
Weldering, the discharge of hot CO2 gas and black body radiation), detection accuracy rate, therefore can be to fire in Initial Stage of Fire up to 99.9%
Accurate detection in real time, avoids the further expansion of fire, to reduce casualties and property loss to greatest extent；Also,
Its detector itself just has flame identification alarm, and alarm response speed is fast, time of fire alarming < 15 seconds, can prompt vehicle
Personnel leave；In addition, each detector can collect evidence in collection analysis live video, support on-site supervision and video recording in real time, it is work
Make that personnel understand the fire extinguishing of scene of fire situation tissue in time and evacuation crowd provides effective technological means, while having saved treasured
The expensive time transmits live real-time video image by way of analog or digital, and carrying out for operator on duty when fire alarm occurs can
Depending on confirmation, to reduce the reaction time.Further, since the image-type fire detector itself carries image capture device, therefore
It can also realize the purpose for monitoring tunnel situation at any time.
(2) the utility model is additionally provided with alarm unit, in order to be able to which can warn when the dangerous situations such as fire occur will be into
The vehicle for entering tunnel avoids causing bigger traffic accident due to the unexpected reduction of speed of vehicle, and is also beneficial to the evacuation of the stream of people.
(3) the air curtain unit of the utility model there is a situation where the dangerous situations such as fire need in time removal harmful smoke when,
Air-out component can be passed through in time by air curtain unit to blow out air curtain at flue gas place, then air curtain dilutes and drives flue gas
It is discharged therewith by air draft component, flue gas can be timely and effectively excluded in fire, controls the diffusion of smog and heat, and is
Occupants, fire fighter provide certain fresh air volume, so that evacuating personnel and fire extinguishing are saved.In addition, under normal circumstances,
Its ventilation device that also can be used as tunnel ventilation exhaust uses.
(4) the utility model is rationally utilized the interlayer space in tunnel and (if without interlayer tunnel, can also be disposed at
In tunnel-side), construction cost can be saved, there is universality.
Detailed description of the invention
Fig. 1 is that the utility model passes in and out air duct schematic diagram.
Fig. 2 is leftschematic diagram in the utility model tunnel.
Fig. 3 is right side schematic view in the utility model tunnel.
Fig. 4 is schematic diagram of the utility model on length of tunnel direction
Fig. 5 is that the utility model rolls up wind apparatus structural schematic diagram.
Wherein, the corresponding title of appended drawing reference are as follows:
1- air intake passage, 2- air-out passage, 3- image-type fire detector, 4- inlet air plenum, 41- air blower, 42- rotation electricity
Machine, 43- air curtain pipe, 44- outlet air end, 45- cylinder, 46- helical baffle, 5- exhaust air box, 51- exhaust blower, 52- exhaust outlet.
Specific embodiment
The utility model is described in further detail with embodiment for explanation with reference to the accompanying drawing, and the mode of the utility model includes
But it is not limited only to following embodiment.
The purpose of the present embodiment is to provide for a kind of tunnel air curtain smoke control system, as shown in Figure 1, the tunnel
For the tunnel of two-way lane, be equipped with interlayer between lane, the air curtain smoke control system of the present embodiment include PC machine, controller,
Air intake passage 1, air-out passage 2, monitoring unit, alarm unit and several air curtain units, the controller and microprocessor are optional
With commonly can (such as S7300 can be selected in controller, and 80486 any moneys can be selected in microprocessor) in Tunnel Ventilation System.
Specifically, in order to reduce installation difficulty, the air intake passage 1 and air-out passage are disposed side by side under tunnel interlayer
Side, if there is no interlayer between lane, then may be provided at the lower section on tunnel-side pavement, in order to which air can be passed in and out smoothly,
The both ends of the air intake passage 1 and air-out passage 2 are in communication with the outside respectively, are used for air curtain unit for air draft.
As shown in Figure 2 to 4, the monitoring unit include be uniformly arranged on tunnel upper for acquiring video data
Several image-type fire detectors 3, all image-type fire detectors pass through optical fiber transmission module and are connected with controller, to incite somebody to action
Detection data is transferred to controller by optical fiber, wherein the optical fiber transmission module uses single mode optical fiber, and is corresponded to using transmitting-receiving
Module formed looped network, prevent light network loss bad video from can not transmit；The monitoring unit is based on existing Digital Image Processing skill
What art was set up, which can accurately detect fire in Initial Stage of Fire in real time, the further expansion of fire be avoided, thus maximum
The reduction casualties and property loss of limit.Wherein, image-type fire detector model JTT-H-FANT6091, Neng Goutong
When detection fire and smog and alarm, response average speed will be faster than current conventional use of detector, in general, detection system
Probe response can be carried out for the flame just generated in the smog of ascension and just for reaching market height 3%.Most cases
Lower detector can respond smog in 20sec, most fast only to need several seconds, to response time of flame at 10 seconds
Within.Also, due to that can also realize that the dangerous situations such as fire occur specific by the way that different images type fire detector is numbered
Position provides authentic communication for rescue work.
Since tunnel insied width is certain, the dangerous situations such as fire once occurs, congestion is easily caused the things such as even to knock into the back
Therefore there are great security risks, because the present embodiment is also provided with alarm unit, which includes being arranged in tunnel
Several fire alarms being connected with controller, when detect the dangerous situations such as fire occur in tunnel when, fire prevention report can be passed through
Alert device alarm, prompts vehicle deceleration in tunnel to go slowly, warns vehicle outside tunnel, reduce the incidence of security risk.
Since length of tunnel is different, and each air curtain unit is only for specific certain section of tunnel area, consequently, to facilitate retouching
It states, tunnel is divided into equidistant several segments by the present embodiment, and an air curtain unit is equipped in every section of tunnel, and air curtain unit includes
The inlet air plenum 4 in tunnel interlayer and exhaust air box 5 is arranged in microprocessor, several to be uniformly arranged on tunnel upper wall and and inlet air plenum
Be connected for delivery air curtain air-out component and several be uniformly arranged on tunnel upper wall and what is be connected to exhaust air box be used for
The gas deflation assembly of exhaust.Wherein, the room that is in store for of inlet air plenum 4 and exhaust air box 5 as air, if without interlayer in tunnel,
It then can directly paste tunnel wall setting；The inlet air plenum is connected to by air blower 41 with air intake passage, and the exhaust air box passes through air draft
Machine 51 is connected to air exhaust passage；The air-out component and the setting of gas deflation assembly interval, the air blower, exhaust blower are and micro process
Device is connected, and the microprocessor and PC machine are connected with controller.Under normal circumstances, to being aerated behaviour in tunnel
Make, can directly can be realized by starting air blower 41 and exhaust blower 51.The air curtain unit further include with microprocessor phase
At least two gas concentration lwevel detectors and at least two carbonomonoxide concentration detectors even, to monitor the danger such as fire at any time
The gas concentration lwevel and carbonomonoxide concentration in feelings location.
Specifically, the air-out component includes the rotary electric machine 42 for being arranged in tunnel and being connected with microprocessor, edge
The air curtain pipe 43 that tunnel width direction is rotatably arranged on tunnel upper and is connected to inlet air plenum 4 is uniformly arranged below air curtain pipe
Several outlet air ends 44；The specific rotation set-up mode of the air curtain pipe 43 is very common, and (that such as inlays is rotatably arranged on tunnel
Be installed on the hanger structure of tunnel upper above road, by bearing etc.), therefore do not repeat；The rotary electric machine passes through transmission
Band is connected to air curtain pipe, to drive the rotation of air curtain pipe and then adjust the air curtain angle of air outlet out, is allowed it to completely
The flue gas in tunnel is taken away.To enable air curtain to be seamlessly connected as far as possible, flue gas is avoided to slip away from gap, it is described
Outlet air end 44 is in up-small and down-big flat flabellum shape, and outlet air end upper end is connected to air curtain pipe 43, keeps air curtain fan-shaped
Blowout, where band air curtain reaches lower section flue gas when place and the complete air curtain of formation；Further, since the cross section of outlet air end
Product is less than the cross-sectional area of air curtain pipe, therefore it can quickly spray air curtain, to reach the position where flue gas to be purged.It examines
It is limited to consider the flue gas that single-row air curtain is able to drive, causes flue gas evacuation rate firstly, therefore the present embodiment is also in outlet air end
It is connected between first 44 and air curtain pipe 43 by rolling up wind apparatus, as shown in figure 5, the volume wind apparatus includes cylinder 45, is arranged in cylinder
The intracorporal spiral helical baffle 46 in cross section, described cylinder one end connect with air curtain pipe and make helical baffle middle part and wind
Curtain Guan Liantong, the cylinder other end connect with outlet air end and connect outlet air end upper end tangentially with helical baffle outermost layer
It is logical, so that air accelerates after entering in the middle part of cylinder inside spin baffle from air curtain pipe with helical baffle helical flow, eventually by out
The discharge of wind end has the air curtain of spiral wind, and cross section of fluid channel product is significantly smaller than air curtain tube section product first in its helical baffle,
Secondly cross section of fluid channel product is also significantly smaller than cross section of fluid channel product in helical baffle in outlet air end, therefore outlet air can be by adding twice
Speed makes the spiral wind air curtain speed to be formed faster, and since air curtain is spiral rather than single layer, adds its air curtain thickness also
Width, therefore its flue gas that can be taken away in the same time is more, substantially increases the efficiency of smoke evacuation；It certainly, can also be straight
Shutter will be set as below air curtain pipe by connecing, and in outlet air, can make the outlet air of shutter by rotating air curtain pipe
One's intention as revealed in what one says meets different smoke evacuation demands to changing.
Further, the gas deflation assembly includes the air-exhausting duct that tunnel upper is arranged in and is connected to exhaust air box 5, is uniformly set
Several exhaust outlets 52 below air-exhausting duct are set, which may be alternatively provided as the structure of shutter, defeated as air-out component
Flue gas can be taken away by exhaust blower in company with air curtain, avoid air curtain and flue gas in tunnel by the recycling component of air curtain out
Play.Further to make air inlet/outlet adjustable, the air blower 41, exhaust blower 41 are connected by frequency converter with microprocessor.
Accordingly it is found that air curtain unit can be used as the device of flue gas in removal tunnel, it is alternatively arranged as the device of vented exhaust in tunnel
In using under normal circumstances.
When fire occurs in tunnel, the image-type fire detector of corresponding position can detect this in time in monitoring unit
There is flue gas at place and detects fire whether occurs, and can also shoot video, while will be detected by optical fiber transmission module
Information be transferred to controller, due to that with fire detection information and video information, can analyze and determine out the fire at this or prolong
It misses situation, whether there is oversize vehicle etc., to carry out subsequent operation；Here, can be according to setting certainly after controller processing information
Row carries out subsequent operation, can also manually set subsequent operation by PC machine；Wherein, either that sets, and controller will all refer to
Order is sent to alarm unit, make tunnel's entrance and exit and at this near fire alarm alarm, to prompt vehicle to access tunnel
And at this near vehicle deceleration go slowly or stop move ahead, in order to evacuate vehicle, avoid traffic congestion；Meanwhile controller
The place is sent an instruction in the air curtain unit of tunnel construction sections, to carry out air curtain smoke abatement operation, i.e. micro- place in air curtain unit
Reason device is opened air blower, exhaust blower, gas concentration lwevel detector and carbonomonoxide concentration detector, air according to instruction and is flowed into
Enter air curtain pipe, then the air in air curtain pipe by volume wind apparatus spiral accelerate after again by outlet air end blowout (or directly from
It is discharged at shutter), air curtain is collectively formed in the outlet air of all outlet air ends on air curtain pipe, since monitoring unit is located always
In monitor state, therefore can be according to circumstances to the flow direction of air curtain (driving air curtain pipe rotation adjustment by rotary electric machine) and air
Curtain air-flow size (by adjusting rotation speed of fan adjustment) is adjusted, and is purged it targetedly to fire location, is purged
The mixed gas with a large amount of flue gases after fire location enters air-exhausting duct from exhaust outlet, and then enters air draft by exhaust air box
(flow direction of its air curtain can be as can be seen from Figure 4) is discharged in channel.During air curtain unit purges smoke abatement, gas concentration lwevel detector
Carbon dioxide and carbon monoxide content in the region can be detected with carbonomonoxide concentration detector, wind can be closed after content is qualified
Curtain unit.
Above-described embodiment is only one of preferred embodiments of the present invention, should not be taken to limit the utility model
Protection scope, as long as the utility model body design thought and mentally make have no the change of essential meaning or profit
Color, it is solved the technical issues of it is still consistent with the utility model, the protection scope of the utility model should all be included in
Within.
Claims (9)
1. tunnel air curtain smoke control system, the tunnel is the tunnel of two-way lane, is equipped with interlayer, feature between lane
It is, including PC machine, controller, air intake passage (1), air-out passage (2), monitoring unit, alarm unit and several air curtain units；
The air intake passage (1) and air-out passage are disposed side by side below tunnel interlayer, and the both ends of the two are in communication with the outside respectively, are used
In to air curtain unit for air draft；The monitoring unit includes several image-type fire detectors for being uniformly arranged on tunnel upper
(3), all image-type fire detectors pass through optical fiber transmission module and are connected with controller, to pass detection data by optical fiber
It is defeated by controller；The alarm unit includes the fire alarm that several and controller being arranged in tunnel is connected；By tunnel
Equidistant several segments are divided into, an air curtain unit is equipped in every section of tunnel, air curtain unit includes microprocessor, is arranged in tunnel
Inlet air plenum (4) and exhaust air box (5) in road interlayer, it is several be uniformly arranged on tunnel upper wall and be connected with inlet air plenum for defeated
The air-out component of air curtain and several exhaust groups for exhaust for being uniformly arranged on tunnel upper wall and being connected to exhaust air box out
Part, the inlet air plenum are connected to by air blower (41) with air intake passage, and the exhaust air box passes through exhaust blower (51) and air exhaust passage
Connection；The air-out component and the setting of gas deflation assembly interval, the air blower, exhaust blower are connected with microprocessor, described micro-
Processor and PC machine are connected with controller.
2. tunnel according to claim 1 air curtain smoke control system, which is characterized in that the air-out component includes setting
The rotary electric machine (42) set in tunnel and be connected with microprocessor, along tunnel width direction be rotatably arranged on tunnel upper and with
The air curtain pipe (43) of inlet air plenum (4) connection, is arranged in the air outlet below air curtain pipe, and the rotary electric machine passes through transmission belt and wind
Curtain Guan Liantong, to drive the rotation of air curtain pipe and then adjust the air curtain angle of air outlet out.
3. tunnel according to claim 2 air curtain smoke control system, which is characterized in that the air outlet is set as hundred
The structure of leaf window, in order to make outlet air form air curtain.
4. tunnel according to claim 2 air curtain smoke control system, which is characterized in that if being arranged on the air outlet
The outlet air end (44) that dry upper end is connected to air curtain pipe, and small lower big flat flabellum shape is presented in outlet air end.
5. tunnel according to claim 4 air curtain smoke control system, which is characterized in that outlet air end (44) and air curtain
It manages by volume wind apparatus connection between (43), the volume wind apparatus includes cylinder (45), and setting is in spiral shell in the intracorporal cross section of cylinder
The helical baffle (46) of shape is revolved, described cylinder one end connects with air curtain pipe and makes to be connected in the middle part of helical baffle with air curtain pipe, described
The cylinder other end connects with outlet air end and is connected to outlet air end upper end tangentially with helical baffle outermost layer, so that air is from wind
Curtain pipe accelerates after entering in the middle part of cylinder inside spin baffle with helical baffle helical flow, has spiral shell eventually by the discharge of outlet air end
The air curtain of whirlwind.
6. tunnel air curtain smoke control system described in any one according to claim 1~5, which is characterized in that the row
Pneumatic module includes setting in tunnel upper and the air-exhausting duct that is connected to exhaust air box (5), is uniformly arranged on several below air-exhausting duct
Exhaust outlet (52), the exhaust outlet are set as shutter.
7. tunnel according to claim 6 air curtain smoke control system, which is characterized in that the air blower (41), row
Blower (51) is connected by frequency converter with microprocessor.
8. tunnel according to claim 1 or claim 7 air curtain smoke control system, which is characterized in that the air curtain unit is also
Including at least two gas concentration lwevel detectors and at least two carbonomonoxide concentration detectors being connected with microprocessor.
9. tunnel according to claim 8 air curtain smoke control system, which is characterized in that the optical fiber transmission module is adopted
Looped network is formed with single mode optical fiber, and using corresponding module is received and dispatched, prevents light network loss bad video from can not transmit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820910030.XU CN208546181U (en) | 2018-06-13 | 2018-06-13 | Tunnel air curtain smoke control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820910030.XU CN208546181U (en) | 2018-06-13 | 2018-06-13 | Tunnel air curtain smoke control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546181U true CN208546181U (en) | 2019-02-26 |
Family
ID=65421983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820910030.XU Expired - Fee Related CN208546181U (en) | 2018-06-13 | 2018-06-13 | Tunnel air curtain smoke control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208546181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374658A (en) * | 2019-08-22 | 2019-10-25 | 中南大学 | Tunnel active formula tilts ceiling smoke evacuation system and method |
| CN110593936A (en) * | 2018-06-13 | 2019-12-20 | 公安部四川消防研究所 | Air curtain smoke prevention and exhaust system for tunnel and method for tunnel smoke prevention and exhaust by using system |
| CN113941489A (en) * | 2021-09-22 | 2022-01-18 | 迈赫机器人自动化股份有限公司 | Over-and-under type air curtain device for drying |
| CN114508376A (en) * | 2022-01-28 | 2022-05-17 | 中国矿业大学 | Intelligent blowing-sucking type air curtain smoke prevention and exhaust device for tunnel and operation method |
-
2018
- 2018-06-13 CN CN201820910030.XU patent/CN208546181U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593936A (en) * | 2018-06-13 | 2019-12-20 | 公安部四川消防研究所 | Air curtain smoke prevention and exhaust system for tunnel and method for tunnel smoke prevention and exhaust by using system |
| CN110593936B (en) * | 2018-06-13 | 2021-03-30 | 公安部四川消防研究所 | Air curtain smoke prevention and exhaust system for tunnel and method for tunnel smoke prevention and exhaust by using system |
| CN110374658A (en) * | 2019-08-22 | 2019-10-25 | 中南大学 | Tunnel active formula tilts ceiling smoke evacuation system and method |
| CN110374658B (en) * | 2019-08-22 | 2024-02-27 | 中南大学 | Tunnel movable inclined ceiling smoke exhausting system and method |
| CN113941489A (en) * | 2021-09-22 | 2022-01-18 | 迈赫机器人自动化股份有限公司 | Over-and-under type air curtain device for drying |
| CN113941489B (en) * | 2021-09-22 | 2023-01-17 | 迈赫机器人自动化股份有限公司 | Over-and-under type air curtain device for drying |
| CN114508376A (en) * | 2022-01-28 | 2022-05-17 | 中国矿业大学 | Intelligent blowing-sucking type air curtain smoke prevention and exhaust device for tunnel and operation method |
| CN114508376B (en) * | 2022-01-28 | 2023-01-10 | 中国矿业大学 | Intelligent blowing-sucking type air curtain smoke prevention and exhaust device for tunnel and operation method |
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