CN111148311A - Tunnel illumination ventilation structure and management and control system thereof - Google Patents
Tunnel illumination ventilation structure and management and control system thereof Download PDFInfo
- Publication number
- CN111148311A CN111148311A CN201911422737.1A CN201911422737A CN111148311A CN 111148311 A CN111148311 A CN 111148311A CN 201911422737 A CN201911422737 A CN 201911422737A CN 111148311 A CN111148311 A CN 111148311A
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- Prior art keywords
- tunnel
- ventilation
- lighting
- control
- fan
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
Abstract
The invention discloses a tunnel lighting ventilation structure and a management and control system thereof.A contour indicating lamp group used for indicating a lane line is arranged below the inner walls of two sides in a tunnel, two main line lamp groups used for lighting are arranged above the contour indicating lamp group, an exhaust system is arranged at the top of the tunnel, the exhaust system is of a pipeline structure, an inlet fan and an outlet fan are respectively arranged at the inlet and the outlet of the tunnel, the positions of the inlet fan and the outlet fan are of a bowl-shaped structure, and a ventilation hole is arranged on the pipeline and is used for driving the air in the tunnel to circulate. This control system passes through the control unit and control circuit realizes the illumination intensity regulation of lighting lamp group and exhaust system's two-way operation to still be equipped with the equipment cavity at the top of tunnel portal, the equipment cavity be used for setting up all kinds of monitoring sensor, photo resistance and snapshot bayonet socket, and this system still includes the interconnection with control platform, realizes the intelligent management and control to the tunnel.
Description
Technical Field
The invention belongs to an electrical control system in a tunnel, relates to tunnel illumination and ventilation, and particularly relates to an intelligent tunnel management and control system.
Background
Tunnels and bridges are the place where the throats of traffic travel are important, but for tunnels running through the steep mountains of hills or deep-lying bathtubs, the problems of internal lighting and ventilation are several factors that are particularly important for improving traffic capacity.
In the existing tunnel lighting, a lamp group is generally arranged along a tunnel, then the lamp group is turned on all the year round under most conditions, and is periodically maintained and replaced, and the intensity of light cannot be sensed, for example, in the weather of strong sunlight, a driver can have blurred lighting vision after entering the tunnel or a short visual mission phenomenon occurs when the driver leaves the tunnel, so that potential safety hazards are caused. Moreover, the problem of unnecessary resource waste can be caused by the fact that the lamp group works all the year round under the strong concern in summer and the like.
On the other hand, for a long tunnel or a tunnel group, ventilation is a relatively critical problem, and particularly, under the condition of meeting long-time traffic congestion and the like, the driver is in danger of oxygen deficiency and is slow to react, and harmful gases are increased due to automobile exhaust. In addition, several fans hung in the tunnel in the prior art still have the effect on the short-distance tunnel, and the effect is not good on the long-distance tunnel, so that the phenomena of dark and damp in the tunnel, easy freezing in winter and the like can be seriously caused.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problem of insufficient control of the existing tunnel lighting ventilation and electrical equipment, the invention provides a tunnel lighting ventilation structure and a control system thereof.
The technical scheme is as follows: a tunnel lighting ventilation structure is characterized in that lighting lamp groups are arranged on the top ventilation device of a tunnel main body and the inner walls of tunnels on two sides of the ventilation device, each lighting lamp group comprises a main line lamp group and a profile indicating lamp group, and an equipment cavity for accommodating a sensor, a photoresistor and a management and control system of a monitoring unit is arranged on the outer end face of the tunnel main body; the ventilation device comprises a ventilation pipeline, fans are arranged at two ends of the ventilation pipeline, and the diameters of the two ends of the ventilation pipeline are larger than that of the middle straight cylinder part.
Further, the inlet fan and the outlet fan in the ventilation device are independently controlled by the control unit and the control circuit, and unidirectional airflow or bidirectional airflow is formed in the ventilation pipeline. The straight section of thick bamboo portion of air pipe is equipped with the ventilation hole, and its straight section of thick bamboo portion is including setting up the exhaust fan.
Furthermore, the tunnel lighting ventilation structure is characterized in that fins are arranged on the inner wall of the ventilation pipeline.
Furthermore, the equipment cavity is provided with a glass door, and the photoresistor in the equipment cavity is used for sensing the illumination intensity outside the tunnel.
The utility model provides a tunnel management and control system, includes the control unit, the control unit's input include monitoring unit, photo resistance and snapshot bayonet socket, the control unit passes through the fan among control circuit connection lighting lamp group and the exhaust device, the control unit adjusts the illumination intensity of the lighting lamp group in the tunnel according to the external illumination intensity that the photo resistance gathered, according to the running state of fan among the data control ventilation unit that the monitoring unit gathered, the management and control system still includes and sets up the snapshot bayonet socket at the tunnel portal, the control unit still transmits the traffic information of snapshot bayonet socket collection to control platform through the transmission unit.
Furthermore, the monitoring unit comprises a temperature sensor, a humidity sensor and a carbon monoxide meaning detector, is arranged at the entrance or the exit of the tunnel, and is distributed on each point to be monitored of the tunnel.
Furthermore, the control unit in the management and control system controls the inlet fan and the outlet fan in the ventilation device through the control circuit respectively, and the control unit comprises a single-side starting unit or a double-side starting unit which simultaneously starts to form unidirectional or bidirectional airflow in the ventilation pipeline, and an exhaust fan which controls the middle of the ventilation device to enhance airflow flowing.
Furthermore, the snapshot bayonet unit comprises a camera and a light supplement lamp and is used for collecting vehicle passing video image information.
Has the advantages that: compared with the prior art, the intelligent tunnel management and control system integrates tunnel traffic, illumination and air exhaust, realizes self-adaptive adjustment on the main line lamp group in the tunnel by setting different illumination intensities sensed by the outside, reduces the visual influence degree of light on the driving of a driver on the entrance and exit of a vehicle into and out of the tunnel, improves driving safety, and is beneficial to energy conservation and emission reduction by controlling the working states of different lamp groups; on the other hand, the exhaust system in the system provided by the invention is also provided with the ventilating pipeline to form unidirectional or bidirectional airflow by controlling the starting or bidirectional starting of the unilateral fan, is particularly suitable for ventilating and selecting under different air temperature environments of tunnel mouths among hills, is favorable for improving the drying and air quality in the tunnel, and is more suitable for long-distance tunnels.
Drawings
FIG. 1 is a schematic view of a tunnel lighting ventilation structure mounted on one side of a tunnel;
FIG. 2 is a schematic view of the tunnel lighting ventilation structure of the present invention;
fig. 3 is a schematic cross-sectional structure of the ventilation duct of the present invention;
fig. 4 is a schematic structural diagram of the management and control system according to the present invention.
Detailed Description
For the purpose of explaining the technical solution disclosed in the present invention in detail, the following description is further made with reference to the accompanying drawings and specific embodiments.
Aiming at the problems of illumination and ventilation of a long-distance tunnel, the invention provides a tunnel illumination and ventilation structure and a control system thereof, which realize intelligent control integrating monitoring of passing vehicles, monitoring of harmful gases, adaptive illumination and ventilation. As shown in fig. 1, a contour indicating lamp set for indicating a lane line is arranged below inner walls on two sides in a tunnel, two main line lamp sets for illumination are arranged above the contour indicating lamp set, a ventilation device 2 is arranged at the top of a tunnel main body 1, the ventilation device 2 is of a pipeline structure, an inlet fan and an outlet fan are respectively arranged at an inlet and an outlet of the tunnel, the inlet fan and the outlet fan are in a bowl-shaped structure, and a ventilation duct 7 is provided with a ventilation hole 8 for driving air circulation in the tunnel. This illumination ventilation structure passes through the control unit and control circuit realizes the illumination intensity regulation of illumination banks and exhaust system's two-way operation to still be equipped with the equipment cavity at the top of tunnel portal, the equipment cavity be used for setting up all kinds of monitoring sensor, photo resistance and snapshot bayonet socket, and the management and control system still includes the interconnection with control platform, realizes the intelligent management and control to the tunnel.
The following describes an installation manner of the lighting ventilation structure at a tunnel entrance with reference to fig. 1-3, at an entrance of a certain tunnel, outline-indicating lamp sets 5 are arranged on both sides of the bottom of a tunnel main body 1 for reminding a motor vehicle lane line and a passage of a maintenance person to prevent a vehicle from colliding with a wall, an inlet fan 2 is installed at the top of the tunnel main body 1, a ventilation duct 7 is connected to the rear end of the inlet fan 2, as shown in fig. 3, two ends of the ventilation duct 7 are connected to the inlet fan 2 or the outlet fan, the port is in a bowl-shaped joint, the middle part is a duct provided with a ventilation hole 8, and in order to improve the ventilation effect, a central exhaust fan can be arranged in the middle part of the ventilation. For the work of the exhaust system, firstly, the fan on the low-speed single side is controlled to start in the initial state, then the air flow flows backwards along the ventilation pipeline 7, the ventilation holes 8 on the ventilation pipeline 7 release part of the air to drive the air in the tunnel to flow, but the air in the main channel also has the trend of advancing forwards, so that a certain convoluted air flow is formed to wind around the channel pipeline 7 and advance towards the outlet, and the controlled circulation in the tunnel is accelerated. In addition, when the monitoring unit detects that the temperature is too high or the humidity is too high and the concentration of carbon monoxide exceeds the standard, the acceleration operation of the single-side fan can be controlled to form larger gas, and the outlet fan can be controlled to start to form reverse airflow or simultaneously start to inject air into the tunnel. In fig. 1, the main line lighting lamp group is symmetrically arranged on the inner wall of the tunnel and is composed of a plurality of LED lamps 3 distributed along a straight line, and for the main line lighting lamp group, the control circuit thereof realizes different combined lighting including interval lighting and lighting brightness adjustment. Above the tunnel portal, an equipment chamber 4 is used for a monitoring unit, a buckle snapshot and a control unit and a corresponding control circuit of the tunnel portal, and maintenance personnel can replace and modify the equipment chamber conveniently.
As shown in fig. 4, the management and control system of the present invention includes a monitoring unit, a photo resistor and a capturing card port, and further, the monitoring unit mainly includes a temperature sensor, a humidity sensor and a carbon monoxide content detector for collecting various monitoring data at the outside of the tunnel portal and the inside of the tunnel, and thereby regulating and controlling the lighting lamp set and the exhaust system for the input variable. A plurality of detection points can be arranged in the tunnel according to actual requirements for the temperature sensor, the humidity sensor and the carbon monoxide content detector, but the detection points are arranged in an equipment cavity at an inlet and an outlet of the tunnel and used for detecting environment variables at the tunnel mouth. The photoresistor is arranged in the equipment cavity at the end of the tunnel opening and used for collecting the external illumination intensity, then the signal is input into the control unit through the conversion circuit, the control unit controls the illumination combination mode of the preset main line lamp bank, and in addition, the adjustment of the illumination intensity of the main line lamp bank can be realized by adjusting the resistor in the control circuit. The control unit comprises a buffer or an external storage device for backup to form recording data of the tunnel video data. And the cache is timely transmitted to the control platform, and the control platform is accessed to a tunnel monitoring system of a tunnel and bridge management department for display.
The control unit starts corresponding lighting or air exhaust according to the data acquired by the monitoring unit, and the lighting lamp bank or the air exhaust system is controlled through the control circuit. Specifically, when the light at the tunnel portal is sensed to be strong, the brightness of the main line illumination at the tunnel portal can be improved to realize the slow transition of the vision of a driver, then if the main line illumination lamp group behind the tunnel can reduce the brightness, the main line illumination lamp group is connected with the external equal-pass illumination again after the main line illumination lamp group exits from the tunnel, the slow transition is realized, for the mode of reducing the illumination brightness, the main line illumination lamp group can be controlled to be lighted at intervals, and the corresponding flat cable can be arranged during installation.
Claims (9)
1. The utility model provides a tunnel illumination ventilation structure which characterized in that: the tunnel monitoring system is characterized in that lighting lamp groups are arranged on tunnel inner walls on two sides of a top ventilation device (2) and a ventilation device (2) of a tunnel main body (1), each lighting lamp group comprises a main line lamp group (3) and a profile indicating lamp group (5), and an equipment cavity (4) for accommodating a sensor of a monitoring unit, a photoresistor and a management and control system is arranged on the outer end face of the tunnel main body (1); the ventilating device (2) comprises a ventilating duct (7), fans are arranged at two ends of the ventilating duct (7), and the diameters of the two ends of the ventilating duct (7) are larger than that of the middle straight cylinder part.
2. The tunnel lighting ventilation structure of claim 1, wherein: the inlet fan and the outlet fan in the ventilation device (2) are independently controlled by a control unit and a control circuit, and unidirectional airflow or bidirectional airflow is formed in the ventilation pipeline (7).
3. The tunnel lighting ventilation structure of claim 1 or 2, wherein: ventilating duct (7) straight section of thick bamboo part is equipped with ventilation hole (8), and its straight section of thick bamboo part is including setting up the exhaust fan.
4. The tunnel lighting ventilation structure of claim 1 or 2, wherein: and fins (9) are arranged on the inner wall of the ventilation pipeline (7).
5. The tunnel lighting ventilation structure of claim 1, wherein: the device cavity (4) is provided with a glass door, and the photoresistor in the device cavity (4) is used for sensing the illumination intensity outside the tunnel.
6. A tunnel management and control system is characterized in that: the control unit's input include monitoring unit, photo resistance and snapshot bayonet socket, the fan among the control unit passes through control circuit connection lighting lamp group and the exhaust device, the lighting intensity of the lighting lamp group in the external illumination intensity regulation tunnel that the control unit gathered according to photo resistance, according to the running state of fan among the data control ventilation unit that the monitoring unit gathered, the management and control system still includes and sets up the snapshot bayonet socket at the tunnel portal, the control unit still shoots the traffic information that the bayonet socket was gathered to the control platform transmission through the transmission unit.
7. The tunnel management system according to claim 6, wherein: the monitoring unit comprises a temperature sensor, a humidity sensor and a carbon monoxide meaning detector, is arranged at the entrance or the exit of the tunnel, and also comprises a plurality of monitoring points distributed on each to-be-monitored point of the tunnel.
8. The tunnel management system according to claim 6, wherein: the control unit in the management and control system respectively controls an inlet fan and an outlet fan in the ventilation device through a control circuit, and the control unit comprises a single-side starting mode or a double-side starting mode to form unidirectional or bidirectional airflow in the ventilation pipeline and an exhaust fan in the middle of the ventilation device to enhance airflow flowing.
9. The intelligent tunnel management and control system according to claim 6, wherein: the snapshot bayonet unit comprises a camera and a light supplement lamp and is used for collecting vehicle passing video image information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422737.1A CN111148311A (en) | 2019-12-31 | 2019-12-31 | Tunnel illumination ventilation structure and management and control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911422737.1A CN111148311A (en) | 2019-12-31 | 2019-12-31 | Tunnel illumination ventilation structure and management and control system thereof |
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| CN111148311A true CN111148311A (en) | 2020-05-12 |
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| CN201911422737.1A Pending CN111148311A (en) | 2019-12-31 | 2019-12-31 | Tunnel illumination ventilation structure and management and control system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152322A (en) * | 2021-04-27 | 2021-07-23 | 黄世靖 | Facility and method for adapting light change and eliminating crosswind at tunnel entrance |
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