CN211174186U - Tunnel ventilation system - Google Patents
Tunnel ventilation system Download PDFInfo
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- CN211174186U CN211174186U CN201921033709.6U CN201921033709U CN211174186U CN 211174186 U CN211174186 U CN 211174186U CN 201921033709 U CN201921033709 U CN 201921033709U CN 211174186 U CN211174186 U CN 211174186U
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Abstract
The utility model discloses a tunnel ventilation system, including driving tunnel, monitoring module, controller, hot blast blowpipe apparatus, exhaust device and noise reduction device, monitoring module comprises mounting bracket, mounting box, temperature and humidity sensor, carbon monoxide sensor and signal transmitter, hot blast blowpipe apparatus comprises several air-supply lines and air-blower, and the air-supply line bottom is connected with the air-blower, and the air-blower is connected with the controller output; the exhaust device consists of an exhaust pipe and an exhaust fan, a spiral exhaust groove is arranged in the exhaust pipe, the top of the exhaust pipe is connected with the exhaust fan, and the exhaust fan is connected with the output end of the controller; the utility model discloses a ventilation system, degree of automation is high, has improved ventilation efficiency and security performance greatly, still can realize the amortization of making an uproar of falling of ventilation process simultaneously.
Description
Technical Field
The utility model relates to a tunnel construction technical field specifically is a tunnel ventilation system.
Background
The tunnel ventilation system is mainly used for air purification and ventilation in a driving tunnel, however, the ventilation efficiency of the existing tunnel ventilation system is low, particularly, when a fire disaster occurs, the existing ventilation system cannot timely extract smoke in the tunnel and inject fresh air into the tunnel; in addition, when the jet fan is used for tunnel ventilation, if the external natural wind is opposite to the working direction of the jet fan in the driving tunnel, the difficulty of ventilation in the driving tunnel is increased, the energy loss of the fan cannot be reduced by adjusting the running direction of the fan, and the ventilation speed is controlled artificially.
In addition, when a high-power exhaust fan or jet fan is used for ventilation circulation, great noise is generated, so that vehicles and pedestrians passing through the tunnel are affected by the noise to cause discomfort.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel ventilation system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a tunnel ventilation system comprises a driving tunnel, a monitoring module, a controller, an air inlet device, an air exhaust device and a noise reduction device, wherein the monitoring module consists of a mounting frame, a mounting box, a temperature and humidity sensor, a carbon monoxide sensor and a signal transmitter;
the air inlet device consists of a plurality of air inlet pipes and an air blower, the air inlet pipes are vertically arranged at the bottom of the driving tunnel and are lower than the ground where the driving tunnel is located, the bottom of each air inlet pipe is connected with the air blower, and the air blower is connected with the output end of the controller; exhaust device comprises exhaust pipe and air exhauster, the exhaust pipe sets up perpendicularly in driving track top and crisscross each other with air-supply line extension line position, and the inside spiral groove of airing exhaust that is equipped with of exhaust pipe, the exhaust pipe top is connected with the air exhauster, and the air exhauster is connected with the controller output.
As a further aspect of the present invention: evenly distributed has the several support frame in the driving tunnel, support frame and driving tunnel inner wall connection are equipped with the several shower nozzle on the support frame, and the shower nozzle leads to water piping connection to have the water pump, water pump and controller electric connection, the support frame top is equipped with two piece at least telescopic links, and the telescopic link bottom is equipped with the through-hole, is equipped with the pivot in the through-hole, and the pivot both ends are connected with step motor and jet fan respectively, the jet fan is located between two telescopic links, jet fan and driving tunnel parallel arrangement.
As a further aspect of the present invention: the noise reduction device is respectively connected with the jet fan, the air inlet pipe and the exhaust pipe in a rotating mode, the noise reduction device is composed of an outer sleeve and an inner sleeve, connecting sleeves are arranged at two ends of the outer sleeve, the inner sleeve and the outer sleeve are coaxially arranged, and sound absorption foam is filled between the inner sleeve and the outer sleeve.
As a further aspect of the present invention: the temperature and humidity sensor is HMT120, and the carbon monoxide sensor is GTH 500.
As a further aspect of the present invention: and filter screens are arranged in the exhaust pipe and the exhaust pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a ventilation system can be to traffic and the air condition real time monitoring in the driving tunnel to ventilation in the automatic adjustment driving tunnel, degree of automation is high, has improved ventilation efficiency and security performance greatly, still can realize the amortization of making an uproar that falls of ventilation process simultaneously, reduces the influence to passing through the vehicle in the driving tunnel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic connection diagram of the controller according to the present invention.
Fig. 3 is a schematic structural diagram of the middle monitoring module of the present invention.
Fig. 4 is a schematic structural view of the middle noise reduction device of the present invention.
In the figure: 1-driving tunnel, 2-supporting frame, 3-air inlet pipe, 4-nozzle, 5-stepping motor, 6-exhaust pipe, 7-filter screen, 8-telescopic rod, 9-jet fan, 10-controller, 11-carbon monoxide sensor, 12-temperature and humidity sensor, 13-signal transmitter, 14-blower, 15-exhaust fan, 16-water pump, 17-mounting frame, 18-mounting box, 19-heat dissipation hole, 20-connecting sleeve, 21-outer sleeve, 22-inner sleeve and 23-sound absorption foam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a tunnel ventilation system includes a driving tunnel 1, a monitoring module, a controller 10, an air intake device, an air exhaust device, and a noise reduction device, where the air intake device is composed of a plurality of air intake pipes 3 and an air blower 14, the air intake pipes 3 are vertically disposed at the bottom of the driving tunnel 1 and lower than the ground where the driving tunnel 1 is located, the bottom of the air intake pipes 3 is connected with the air blower 14, and the air blower 14 is connected with an output end of the controller 10; exhaust device comprises exhaust pipe 6 and air exhauster 15, exhaust pipe 6 sets up perpendicularly in driving track top and crisscross each other with 3 extension lines of air-supply line position of air-supply line, and exhaust pipe 6 inside is equipped with spiral exhaust duct, and exhaust pipe 6 top is connected with air exhauster 15, and air exhauster 15 is connected with the 10 output ends of controller.
The utility model discloses a ventilation system can be to traffic and the air condition real time monitoring in driving tunnel 1 to automatic adjustment is ventilated in driving tunnel 1, and degree of automation is high, has improved ventilation efficiency and security performance greatly, still can realize the amortization of making an uproar that falls of ventilation process simultaneously, reduces the influence to through the vehicle in driving tunnel 1.
By adopting the ventilation system of the utility model, the monitoring module can monitor the temperature and humidity and the carbon monoxide content in the driving tunnel 1, when detecting fire or exceeding the standard of temperature, humidity, carbon monoxide and the like in the driving tunnel 1, the controller 10 automatically controls the air intake device, the air exhaust device and the jet fan 9 to respectively ventilate the driving tunnel 1 longitudinally and transversely; and a noise reduction device can be used for reducing noise in the ventilation process, so that vehicles and pedestrians in the driving tunnel 1 are not influenced by noise.
The air inlet device and the air exhaust device respectively play a role in injecting fresh air into the driving tunnel 1 and extracting waste gas from the driving tunnel 1; when a fire disaster occurs in the driving tunnel 1, a large amount of smoke and toxic gas are generated in the driving tunnel 1, the smoke can be extracted by the exhaust fan 15 and the exhaust pipe 6, meanwhile, due to the fact that the smoke density is low, the smoke is exhausted along the exhaust pipe 6 at the upper end of the driving tunnel 1 under the action of self gravity, and the exhaust grooves in the exhaust pipe 6 are beneficial to exhaust the gas to form rotational flow, so that the smoke can be exhausted more quickly; the blower 14 at the bottom also discharges fresh air from the air inlet pipe 3 into the driving tunnel 1, and the convection of the air accelerates the discharge of residual air in the driving tunnel 1.
Evenly distributed has several support frame 2 in driving tunnel 1, support frame 2 and 1 interior wall connection in driving tunnel are equipped with several shower nozzle 4 on the support frame 2, and shower nozzle 4 has water pump 16 through water piping connection, water pump 16 and controller 10 electric connection, 2 tops of support frame are equipped with two piece at least telescopic links 8, and 8 bottoms of telescopic links are equipped with the through-hole, are equipped with the pivot in the through-hole, and the pivot both ends are connected with step motor 5 and jet fan 9 respectively, jet fan 9 is located between two telescopic links 8, jet fan 9 and driving tunnel 1 parallel arrangement.
The support frame 2 in the driving tunnel 1 can play a role in supporting the driving tunnel 1 and can also be used for fixing the jet fan 9, and the jet fan 9 can generate transverse jet flow in the driving tunnel 1 so that air in the driving tunnel 1 is in convection with outside air; because the natural wind direction of the opening of the traffic tunnel 1 and the running direction of the vehicle are different, the initial direction of the jet fan 9 is difficult to meet the condition that the initial direction is the same as the natural wind flow direction, so that the jet fan 9 is connected through a rotating shaft, the stepping motor 5 is driven to drive the jet fan 9 to rotate for a certain angle, the flow direction of the jet fan 9 is the same as the natural wind flow direction, and the air circulation in the traffic tunnel 1 is accelerated; in addition, the spray head 4 on the support frame 2 can spray water to extinguish fire in the driving tunnel 1, and when a fire occurs, the controller 10 controls the water pump 16 to pump high-pressure water into the spray head 4, so that the fire in the driving tunnel 1 is extinguished.
The type of the temperature and humidity sensor 12 is HMT120, and the type of the carbon monoxide sensor 11 is GTH 500; the temperature and humidity sensor 12 of the HMT120 model has a large measurement range and accurate measurement; the carbon monoxide sensor 11 of GTH500 type has accurate measurement, good stability and safety and is not easily influenced by fire or accident in the driving tunnel 1.
Referring to fig. 3, in the embodiment of the present invention, the monitoring module is composed of an installation frame 17, an installation box 18, a temperature and humidity sensor 12, a carbon monoxide sensor 11 and a signal transmitter 13, the temperature and humidity sensor 12, the carbon monoxide sensor 11 and the signal transmitter 13 are all located in the installation box 18, a plurality of heat dissipation holes 19 are formed in the surface of the installation box 18, the installation box 18 is perpendicularly connected to the installation frame 17, the installation frame 17 is fixed to the inner wall of the driving tunnel 1 through screws, and the temperature and humidity sensor 12 and the carbon monoxide sensor 11 are respectively connected to the input end of the controller 10 through the signal transmitter 13.
The monitoring module is mainly used for monitoring the temperature and humidity and the air quality in the driving tunnel 1, when the temperature and humidity or the carbon monoxide content in the driving tunnel 1 exceeds the standard, the information of the temperature and humidity sensor 12 and the carbon monoxide sensor 11 can be transmitted to the controller 10 through the signal transmitter 13, and the controller 10 controls the ventilation in the driving tunnel 1; the installation box 18 is arranged to protect the temperature and humidity sensor 12, the carbon monoxide sensor 11 and the signal emitter 13 inside, and meanwhile, the monitoring module can be installed at any position in the traffic tunnel 1 through the installation frame 17, so that the assembly and disassembly are convenient; meanwhile, the driving tunnel 1 is monitored in a sectional mode, so that when a fire disaster or an accident happens, the position of the accident can be determined through the mounting box 18.
Referring to fig. 4, in the embodiment of the present invention, the noise reduction device is rotatably connected to the jet fan 9, the air inlet pipe 3 and the exhaust pipe 6, and the noise reduction device is composed of an outer sleeve 21 and an inner sleeve 22, two ends of the outer sleeve 21 are provided with connection sleeves 20, the inner sleeve 22 and the outer sleeve 21 are coaxially disposed, and a sound absorption foam 23 is filled between the inner sleeve 22 and the outer sleeve 21.
The noise reduction device is mainly used for reducing noise and eliminating noise when jet flow is generated by the jet flow fan 9, air is fed into the air inlet pipe 3 and air is exhausted from the exhaust pipe 6; the outer sleeve 21 is mainly connected with the jet flow fan 9, the air inlet pipe 3 and the exhaust pipe 6 through the connecting sleeve 20, so that the disassembly is convenient; when wind flows through the inner sleeve 22, the inner sleeve 22 is vibrated, and the vibration of the inner sleeve 22 is buffered and damped by the sound-absorbing foam 23, so that the noise reduction device performs a noise reduction function.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a tunnel ventilation system, includes driving tunnel (1), monitoring module, controller (10), hot blast blowpipe apparatus, exhaust device and fall the device of making an uproar, its characterized in that: the monitoring module is composed of a mounting frame (17), a mounting box (18), a temperature and humidity sensor (12), a carbon monoxide sensor (11) and a signal transmitter (13), the temperature and humidity sensor (12), the carbon monoxide sensor (11) and the signal transmitter (13) are all located in the mounting box (18), a plurality of radiating holes (19) are formed in the surface of the mounting box (18), the mounting box (18) is vertically connected with the mounting frame (17), the mounting frame (17) is fixed on the inner wall of the driving tunnel (1) through screws, and the temperature and humidity sensor (12) and the carbon monoxide sensor (11) are respectively connected with the input end of the controller (10) through the signal transmitter (13);
the air inlet device is composed of a plurality of air inlet pipes (3) and an air blower (14), the air inlet pipes (3) are vertically arranged at the bottom of the driving tunnel (1) and are lower than the ground where the driving tunnel (1) is located, the bottom of each air inlet pipe (3) is connected with the air blower (14), and the air blower (14) is connected with the output end of the controller (10); exhaust device comprises exhaust pipe (6) and air exhauster (15), exhaust pipe (6) set up perpendicularly in driving track top and crisscross each other with air-supply line (3) extension line position, and exhaust pipe (6) inside is equipped with spiral exhaust duct, and exhaust pipe (6) top is connected with air exhauster (15), and air exhauster (15) are connected with controller (10) output.
2. A tunnel ventilation system as claimed in claim 1, wherein: evenly distributed has several support frame (2) in driving tunnel (1), support frame (2) and driving tunnel (1) inner wall connection are equipped with several shower nozzle (4) on support frame (2), and shower nozzle (4) lead to pipe is connected with water pump (16), water pump (16) and controller (10) electric connection, support frame (2) top is equipped with two piece at least telescopic links (8), and telescopic link (8) bottom is equipped with the through-hole, is equipped with the pivot in the through-hole, and the pivot both ends are connected with step motor (5) and jet fan (9) respectively, jet fan (9) are located between two telescopic links (8), jet fan (9) and driving tunnel (1) parallel arrangement.
3. A tunnel ventilation system as claimed in claim 2, wherein: the noise reduction device is respectively connected with the jet fan (9), the air inlet pipe (3) and the exhaust pipe (6) in a rotating mode, the noise reduction device is composed of an outer sleeve (21) and an inner sleeve (22), connecting sleeves (20) are arranged at two ends of the outer sleeve (21), the inner sleeve (22) and the outer sleeve (21) are coaxially arranged, and sound absorption foam (23) are filled between the inner sleeve (22) and the outer sleeve (21).
4. A tunnel ventilation system as claimed in claim 3, wherein: the type of the temperature and humidity sensor (12) is HMT120, and the type of the carbon monoxide sensor (11) is GTH 500.
5. A tunnel ventilation system as claimed in claim 3, wherein: and filter screens (7) are arranged in the exhaust pipes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921033709.6U CN211174186U (en) | 2019-07-03 | 2019-07-03 | Tunnel ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921033709.6U CN211174186U (en) | 2019-07-03 | 2019-07-03 | Tunnel ventilation system |
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| Publication Number | Publication Date |
|---|---|
| CN211174186U true CN211174186U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921033709.6U Active CN211174186U (en) | 2019-07-03 | 2019-07-03 | Tunnel ventilation system |
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| CN (1) | CN211174186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085028A (en) * | 2023-04-13 | 2023-05-09 | 山西工程技术学院 | Tunnel ventilation control system |
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2019
- 2019-07-03 CN CN201921033709.6U patent/CN211174186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116085028A (en) * | 2023-04-13 | 2023-05-09 | 山西工程技术学院 | Tunnel ventilation control system |
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Address after: Room 217, 2 / F, building 3, science and Technology Innovation Park, No.1 harbor, No.1 Jintang Road, Tangjiawan Town, Zhuhai City, Guangdong Province Patentee after: Guangdong Changzheng Construction Co.,Ltd. Address before: Room 105-39996, No. 6 Baohua Road, Hengqin New District, Zhuhai City, Guangdong Province Patentee before: Zhuhai Gree Municipal Engineering Co.,Ltd. |