EP1329588A1 - Device for introducing breathing air in a tunnel passageway - Google Patents

Abstract

Device for introducing inhaled air into a tunnel-like passage, especially in emergency situations, comprises a feed line connected to an air source and protruding into the passage. The feed line is made from at least one pipe (5) which extends over one part of the length of the passage and is held in holders which are fitted to a wall (4) of the passage. The feed line is connected on end regions (6, 7) on both sides to an air source (8) having an overpressure. The pipe has outlet openings (9) which can be closed using a removable cover. Preferred Features: The pipe is composed of individual tubular elements connected by collars enclosing the tubular elements.

Description

The present invention relates to a device for feeding breathing air into a tunnel-like passage, especially in emergency situations, which comprises a supply line which is connected to an air source and which protrudes into the tunnel-like passage.

Especially in emergencies, for example in traffic accidents in Road tunnels when a fire with heavy smoke can develop create an atmosphere in the tunnel that is in the tunnel Can lead to suffocation, even though these people are not injured and the saving tunnel exit, a rescue tunnel or Rescue rooms could have been reached on their own.

The object of the invention is therefore to provide a device create, by means of which a supply of breathing air in a tunnel-like Passage is created, which serves to get into emergency and an exit, people looking for a rescue tunnel or a shelter To supply breathing air.

According to the invention, this object is achieved in that the feed line is formed from at least one tube, which is at least extends over part of the length of the tunnel-like passage, in brackets, which can be attached to a wall of the tunnel-like passage, is held, and which at least at the two-sided end regions each is connected to an air source having an overpressure, and that at the tube spaced from each other openings are attached, which with a removable cover can be closed.

With this facility it is achieved that people are rescue seek, can move away from the danger point along the pipe and are supplied with supplied breathing air at the outlet openings can.

The fact that the pipe, the at least one area of the tunnel-like Passed through, at least at its two end areas is connected to an air source, the supply of breathing air is achieved is guaranteed by the pipe even if this is by any Event is damaged at any point.

Advantageously, the at least one tube is made up of individual ones Pipe elements composed that encompassing the pipe elements Cuffs are connected. This results in easy installation in the tunnel-like passage.

Another advantageous embodiment of the invention consists in that the outlet openings are formed by pipe sections, each with one end is fixed in the tube while the other, protruding End of the pipe section can be closed by the cover. Thereby the places where breathing air is to be taken by a person are easy to find.

To prevent dirt from getting into the Pipe can get or that too much air escapes from the pipe Provide covers with means that cause the covers automatically reach the position closing the respective opening. Thereby ensures that the outlet openings are always in the best possible way are closed and covered.

Advantageously, the covers are each made of a plate Body formed on one side in the central area cord-shaped element is attached, at the other end of a weight is attached, which is located inside the pipe section, and that cord-shaped element is guided through a guide opening which is centered in one Web is attached, which inside, facing the cover End portion of the pipe section is attached. This will make it easy to set up of the self-closing covers, the function for the removal the covers from the outlet openings is very simple, it is also guaranteed that the cover the outlet opening optimally when not in use closes.

Another advantageous embodiment of the invention consists in that the tube is equipped with lighting. This ensures that the tube supplying breathing air is also used by people in need can be found when the main lighting of the tunnel-like Continuity has failed.

The lighting means are advantageously made of fluorescent tubes formed, arranged in a channel running parallel to the tube that is open towards the pipe, and the pipe is made of one translucent material formed. This ensures optimal lighting reached the tube, in particular this has the effect of self-illumination.

Are advantageously in a further channel, which is also parallel runs to the tube, the electrical supply for the lighting housed, which are designed so that the power supply for each illuminant done from two sides. This ensures that with one Interruption of these electrical leads the lighting fixtures before and are still supplied with power behind this interruption and consequently can shine.

Another advantageous embodiment of the invention consists in that the brackets are equipped with fasteners with which these can be attached to the wall of the tunnel-like passage and the are equipped with snap devices into which the pipe can be latched and is stable. This results in simple assembly, in particular will also replace, for example, a destroyed piece of pipe facilitated.

It is advantageous between the snap device and the Fasteners of the brackets each arranged a web in which Receiving means for receiving the channel for the fluorescent tubes and for accommodated the additional channel for the electrical lines are. This results in a compact design of the device according to the invention received, which enables easy assembly.

An embodiment of the present invention is as follows explained in more detail by way of example with reference to the accompanying drawing.

Fig. 1 in schematischer Darstellung die Anordnung einer erfindungsgemässen Einrichtung in einem Strassentunnel;

Fig. 2 in räumlicher Darstellung ein Abschnitt der erfindungsgemässen Einrichtung;

Fig. 3 in räumlicher und auseinander gezogener Darstellung der Aufbau der Einzelteile der erfindungsgemässen Einrichtung;

Fig. 4 eine Schnittdarstellung der erfindungsgemässen Einrichtung im an der Wandung angebrachten Zustand;

Fig. 5a eine Längsschnittdarstellung durch das Rohr der erfindungsgemässen Einrichtung mit Ansicht der Austrittsöffnungen und der Abdeckungen;

Fig. 5b eine Ansicht auf eine Austrittsöffnung der erfindungsgemässen Einrichtung gemäss Fig. 5a;

Fig. 6 eine Schnittdarstellung der Zusammenfügung von zwei Rohrstücken zur Bildung des Rohres; und

Fig. 7 in schematischer Darstellung der Schaltplan zur Zuführung des elektrischen Stromes zu den Beleuchtungskörpern.

It shows

1 shows a schematic representation of the arrangement of a device according to the invention in a road tunnel;

2 shows a spatial representation of a section of the device according to the invention;

3 in a spatial and exploded view the structure of the individual parts of the device according to the invention;

4 shows a sectional illustration of the device according to the invention in the state attached to the wall;

5a shows a longitudinal sectional view through the tube of the device according to the invention with a view of the outlet openings and the covers;

5b shows a view of an outlet opening of the device according to the invention according to FIG. 5a;

Fig. 6 is a sectional view of the joining of two pieces of pipe to form the pipe; and

Fig. 7 in a schematic representation of the circuit diagram for supplying the electrical current to the lighting fixtures.

The embodiment shown in Fig. 1 shows a tunnel-like Passage 1, which is developed here as a road tunnel. Parallel to this road tunnel 1, an auxiliary tunnel 2 is attached, which has the function of a Security tunnel. Between road tunnel 1 and the safety tunnel 2, passageways are spaced from each other through security doors 3 are closed, but opened if necessary without further notice can be. Along the security door wall 4 of the road tunnel 1 run tubes 5, the end regions 6 and 7 on both sides the height of the security doors 3 protrude into the auxiliary tunnel 2. These two-sided End regions 6 and 7 are connected to a supply pipe 8, in which is fed in fresh air in a known manner by appropriate units becomes. This fresh air in the supply pipe 8 has in terms of Road tunnel 1 prevailing atmosphere slightly overpressure.

The tubes 5, which run along the wall 4 and approximately on Handrail height are attached to this wall 4, have outlet openings 9, each of which is provided with a cover, as will be explained in more detail later is described.

The main function of these pipes 5 is now that of those in need People who are in the tunnel, for example because of Want to bring smoke development as a result of a fire to safety with Breathing air are supplied. These people can refer to the appropriate Move pipe 5, move along this pipe 5 to an outlet opening, and inhale fresh air there. So they can get out of the exit opening too Move the outlet opening until it is one of the in the present embodiment Have found security doors 3 and through these in the security gallery can reach. In addition to the supply of breathing air to the relevant people a respective tube 5 also serves as a tactile aid for finding the rescuer Starting, the appropriate people can move along this Move pipes if visibility is difficult. These tubes 5 can be illuminated for easier locating, as described later to make it easier to find.

By 5 fresh air at both ends of the respective tube is fed, this pipe also fulfills the task of air supply then if it's for example in the middle range for some reason interrupted or destroyed. The fresh air then comes from each of the two Ends 6 and 7 in the remaining pipe section.

It is easily conceivable to have a pipe 5 through the entire length of the tunnel to guide, especially with shorter tunnels, and at both ends Feed air, for example via compressors. Where there is no safety tunnel is present, but only shelters, the tubes 5 each lead to the appropriate shelter.

Of course, the application of this facility is not just on Road tunnels are restricted, they can be used in any kind of tunnel-like passageways applied by people or by whom People.

A section of a tube 5 can be seen from FIG. The outlet openings 9 are formed by pipe sections 10, each with their one End 11 are fixed in the tube 5. The other protruding end 12 of the pipe section 10 can be closed by the cover 13.

The tube 5 is held in brackets 14, each in the wall 4 of the tunnel-like passage can be fastened.

The respective tube 5 can be illuminated, which is in the present Embodiment by fluorescent tubes 15, which happens in a parallel to the pipe 5 extending channel 16 are housed. This is preferably Channel 16 open towards the tube 5, so that when the tube 5 from a translucent material is formed, optimal lighting of this tube 5 is reached.

In a further channel 17, which also runs parallel to the tube 5, can electrical leads for the fluorescent tubes 15 formed Illuminant must be inserted.

Of course, other suitable lighting means can also be used be used. In particular, it is also conceivable that the tube 5 with a to provide fluorescent layer, and to illuminate this.

As can be seen from FIG. 3, each holder 14 comprises one of one Bolt 18 fastener formed in a hole in the wall 4 is used. Furthermore, the holder 14 with a snap device 19 equipped, in which the tube 5 can be latched and is held. Between the snap device 19 and the fastening means 18 of the holder 14, a web 20 is provided, in which receiving means 21 for receiving of the channel 16 for the fluorescent tubes 15 and receiving means 22 for the recording further channel 17 are arranged for the electrical lines. In particular, the receiving means 21 for receiving the channel 16, in which the fluorescent tube 15 is accommodated, plug connections 23 have, which at the same time the electrical contact for the supply of Form current for the fluorescent tube 15. In this case, 14 Current terminals are provided which are connected to these plug connections 23 are, and to which the extending in the further channel 17 electrical Lines can be connected.

4 shows the fastening of a holder 14 in the wall 4 of the tunnel-like passage. Here, the bolt 18 is in a Bore 24 inserted and secured with a curable mass. With the Use of such mounts makes the tube very easy to assemble 5 by plugging into the snap device 19, the channel 16 and the received another channel 17. Also the replacement of destroyed or damaged ones Sharing is easy.

5a and 5b are the covers 13 of the outlet openings 9 can be seen. Each cover 13 is made of a plate-shaped body 25 formed. On one side 26 of this plate-shaped body 25 is in central area attached a cord-shaped element 27. On the other end this cord-shaped element 27 a weight 28 is attached, which is located inside the pipe section 10. The cord-shaped element 27 is guided through a guide opening 29 which is attached centrally in a web 30 is, which in the interior of the cover 13 facing the end region Pipe piece 10 is attached.

In the normal state, the outlet openings 9 are each one Cover 13 closed, as shown in Fig. 5a on the left is. Through the cord-shaped element 27 and the weight 28 attached to it it is achieved that the plate-shaped body 25 centrally over the outlet opening 9 lies and closes the outlet opening 9 with the required pressure. For this purpose, one side 26 of the plate-shaped body 25 can be curved Have surface, the web 30 is adapted accordingly. If so a person wants to take 5 breathing air from the tube, pushes the plate-shaped Body 25 to the side, as shown in Fig. 5a on the right side. This opens access to the outlet opening 9 and the person can take air. When the plate-shaped body 25 is released, the weight is pulled 28 and the cord-shaped element 27 the plate-shaped body 25 again centrally over the outlet opening 9 and close it again automatically. This prevents unnecessary air from flowing out of the tube 5 can.

From Fig. 5b, which is a plan view of the outlet opening 9 with covered plate-shaped body 25 shows, the web 30 and in particular the centrally arranged guide opening 29 can be seen.

As can be seen from Fig. 6, this can be of great length Tube 5 can be assembled from individual tube elements 31. in this connection can be assembled in a known manner via a cuff 32 take place, which engages around two abutting pipe elements 31 and in can be tensioned in a known manner by a tensioning device. in this connection can also be provided in the sleeve 32 sealing rings 33. To a To be able to replace tubular element 31, the clamping devices of the two this pipe element 31 holding cuffs 32 released and on the adjacent remaining tube elements 31 pushed on, the one to be replaced Pipe element 31 can be lifted out and replaced with a new one Cuffs 32 are pushed back and tightened again.

As has been explained above, the supply of breathing air Guaranteed via the tube 5 to the outlet openings 9 even if that Pipe 5 interrupted or destroyed, for example, in its central area is. By connecting the two ends of this tube 5 to an air source is achieved that on both sides of the destroyed pipe from the outlet openings Air can be removed. It should also be ensured that the tube 5 to be illuminated bulbs also on both sides of the destroyed area the pipe sections should continue to shine. This will, as shown schematically in Fig. 7, achieved in that the fluorescent tubes 15 are connected on the one hand to a neutral conductor 34, on the other hand the power is supplied via two lines 35 and 36, one of which is from left end of the tube and the other from the right end of the Tube is fed. In a known manner in these two lines 35 and 36 rectifier 37 interposed. This ensures that neither a short circuit, represented by the drawn line 38, nor an interruption leads to the failure of the lighting system.

With this device according to the invention, a rescue system created, which enables people to get out of a tunnel-like To bring passage to safety, even if, for example, because of a Fire in the tunnel develops smoke, which makes breathing practically impossible. In addition to the air supply, these people receive a mechanical one Guide through the corresponding pipe along which they emerge from the Feel the danger zone, on the other hand, by the lighting This tube makes it easier to find, especially when there are still enough Visibility. By appropriate coloring of this lighting can this tube will be specially marked, people who, for example, a Driving through tunnels can be made aware of this system by means of signs be made.

Claims (10)

Device for supplying breathing air into a tunnel-like passage (1), in particular in emergency situations, which comprises a feed line which is connected to an air source and which projects into the tunnel-like passage (1), characterized in that the feed line consists of at least one pipe ( 5) is formed, which extends at least over part of the length of the tunnel-like passage (1), is held in holders (14) which can be attached to a wall (4) of the tunnel-like passage (1), and which is at least on the two-sided end regions (6, 7) are each connected to an air source (8) which has an overpressure, and that outlet openings (9) are arranged on the tube (5) at a distance from one another and can be closed with a removable cover (13). Device according to claim 1, characterized in that the at least one tube (5) is composed of individual tube elements (31) which are connected by sleeves (32) encompassing the tube elements (31). Device according to claim 1 or 2, characterized in that the outlet openings (9) are formed by pipe sections (10), each of which is fastened with one end (11) in the pipe (5), while the other, projecting end (12) of the pipe section (5) can be closed by the cover (13). Device according to one of claims 1 to 3, characterized in that the covers (13) are provided with means (27, 28) which cause the covers (13) to automatically reach the position closing the respective outlet opening (9). Device according to claim 4, characterized in that the covers (13) are each formed from a plate-shaped body (25), on one side (26) of which a cord-shaped element (27) is fastened in the central area, and at the other end a weight (28), which is located inside the pipe section (10), and the cord-shaped element (27) is guided through a guide opening (29), which is attached centrally in a web (30), which is inside, the cover (13) facing end portion, the pipe section (10) is attached. Device according to one of claims 1 to 5, characterized in that the tube (5) is equipped with lighting means (15). Device according to claim 6, characterized in that the lighting means are formed from fluorescent tubes (15) which are arranged in a channel (16) which runs parallel to the tube (5) and is open towards the tube (5), and that Tube (5) is formed from a translucent material. Device according to claim 5 or 6, characterized in that in a further channel (17), which also runs parallel to the tube (5), electrical supply lines for the lighting means (15) are housed, which are designed such that the power supply for each Illumination means (15) from two sides. Device according to one of claims 1 to 8, characterized in that the holders (14) are equipped with fastening means (18) with which they can be attached to the wall (4) of the tunnel-like passage (1) and which are equipped with snap-in devices (19) are in which the tube (5) can be latched and held. Device according to claim 9, characterized in that a web (20) is arranged between the snap device (19) and the fastening means (18) of the brackets (14) in which receiving means (21) for receiving the channel (16) for the fluorescent tubes (15) and receiving means (22) for accommodating the further channel (17) for the electrical lines are accommodated.

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