EP3423163A1 - Construction for compartmentation of a vehicle - Google Patents

Construction for compartmentation of a vehicle

Info

Publication number
EP3423163A1
EP3423163A1 EP17759325.8A EP17759325A EP3423163A1 EP 3423163 A1 EP3423163 A1 EP 3423163A1 EP 17759325 A EP17759325 A EP 17759325A EP 3423163 A1 EP3423163 A1 EP 3423163A1
Authority
EP
European Patent Office
Prior art keywords
curtain
fire protection
roller
vertical
weight rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17759325.8A
Other languages
German (de)
French (fr)
Other versions
EP3423163A4 (en
EP3423163B1 (en
Inventor
Jussi KANKKUNEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polarteknik Oy
Original Assignee
Polarteknik Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Polarteknik Oy filed Critical Polarteknik Oy
Publication of EP3423163A1 publication Critical patent/EP3423163A1/en
Publication of EP3423163A4 publication Critical patent/EP3423163A4/en
Application granted granted Critical
Publication of EP3423163B1 publication Critical patent/EP3423163B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C2/00Fire prevention or containment
    • A62C2/06Physical fire-barriers
    • A62C2/10Fire-proof curtains
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00Door arrangements specially adapted for rail vehicles
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08Roll-type closures
    • E06B9/11Roller shutters
    • E06B9/13Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58Guiding devices
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58Guiding devices
    • E06B9/581Means to prevent or induce disengagement of shutter from side rails
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • E06B9/70Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller

Definitions

  • the invention relates to a structure for compartmenting a vehicle.
  • the separation into fire compartments takes place by using fire doors.
  • a problem is presented by the vibration of the vehicle as well as braking and acceleration of the vehicle.
  • the moving of the vehicle uphill and downhill, as well as vehicle banking in curves cause additional problems.
  • the structure for compartmenting a vehicle must be reliable.
  • the structure should be as simple and light as possible.
  • the structure must under all operating conditions be able to prevent fire from spreading from one compartment to another.
  • the structure must allow escaping from one compartment to another in an emergency. In a normal situation, the structure must allow as smooth a transfer and movement in the vehicle from a compartment to another.
  • the presented structure for compartmenting a vehicle features a partitioning fire protection curtain.
  • the fire protection curtain is stored above a passage substantially horizontally around a curtain roller.
  • a weight rod has been arranged for gravitational lowering of the fire protection curtain down to the passage.
  • On both sides of the passage there is a vertical mechanism to which the weight rod is attached at its ends.
  • the structure further includes a synchronizing mechanism for controlling the curtain roller and vertical mechanisms to move in such a manner that when the curtain roller is rotating, the weight rod moves in the vertical direction whileboth ends of the weight rod move in the same direction at the same speed and vice versa.
  • Such a structure is operationally reliable.
  • the structure is lightweight and allows easy movement between the vehicle compartments under normal conditions and, if need be, escaping from a compartment to another also in case of a fire.
  • the weight rod of the fire protection curtain is at both ends fixed to a vertical mechanism.
  • the curtain roller rotates and the vertical mechanisms move under control of a synchronizing mechanism in such a manner that when the curtain roller is rotating, the weight rod moves in the vertical direction while both ends of the weight rod move in the same direction at the same speed, and correspondingly when the weight rod moves in the vertical direction, the curtain roller rotates.
  • a synchronizing mechanism in such a manner that when the curtain roller is rotating, the weight rod moves in the vertical direction while both ends of the weight rod move in the same direction at the same speed, and correspondingly when the weight rod moves in the vertical direction, the curtain roller rotates.
  • the fire protection curtain may, in an emergency, be easily and reliably raised upward from the lowered down position because as the weight rod is raised upward, also the curtain roller rotates and the fire protection curtain is able to wind around the curtain roller and does not form folds jamming the movement of the fire protection curtain.
  • the synchronizing mechanism comprises means for mechanically joining the vertical mechanisms and the curtain roller.
  • the synchronizing mechanism is particularly reliable as to its operation.
  • An idea of an embodiment is that the vertical mechanisms are mechanically interconnected by the curtain roller. This way, additional mechanical structures between the vertical mechanisms may be avoided.
  • an idea of an embodiment is that the structure features an adjustment mechanism to compensate for the change in the circumferential speed caused by the fire protection curtain wound on the curtain roller. In such a case, the fire protection curtain winds from and onto the curtain roller smoothly and reliably.
  • Figure 1 shows schematically the structure for compartmenting a vehicle with a fire protection curtain at the lowered down position
  • Figure 2 shows the structure of Figure 1 with the fire protection curtain at the wound up position
  • Figure 3 is a cross-section A - A of Figure 1
  • Figure 4 is a cross-section B - B of Figure 1
  • Figure 5 is a cross-section C - C of Figure 1
  • Figure 6 is a cross-section D - D of Figure 1
  • Figure 7 is a cross-section E - E of Figure 2
  • Figure 8 is a view corresponding to Figure 3 of another embodiment heavily simplified.
  • Figure 1 shows a structure 1 for compartmenting a vehicle.
  • the structure shows a fire protection curtain 2, top casing 3, and side casings 4a and 4b.
  • the structure 1 is at specific intervals arranged in a vehicle to partition the vehicle into separate fire compartments.
  • the vehicle where the structure 1 is arranged may be, for example, rolling stock wagons, such as a railway coach, underground train wagon, tram, or another vehicle requiring compartmentation.
  • the fire protection curtain 2 is rolled up in the top casing 3 as shown in Figure 2.
  • the fire protection curtain is rolled up around a substantially horizontal curtain roller.
  • the structure 1 is arranged on a passage of a vehicle. When the fire protection curtain is rolled up in the top casing, movement along the passage from a compartment to another is unobstructed.
  • the fire protection curtain may be kept in the top casing around the curtain roller, for example, electrically, making use of a solenoid, electric magnet, or electric motor 5.
  • a weight rod 6 has been fixed.
  • the fire protection curtain 2 will descend from the top casing 3 to the position indicated in Figure 1 as the weight rod 6 pulls the fire protection curtain 2 down by way of gravity.
  • the descending of the fire protection curtain 2 may also take place, for example, by giving the motor 5 a control command to lower the fire protection curtain 2, or a smoke or fire sensor may provide a control command to lower the fire protection curtain 2, or a control command that cuts the power supply to the structure 1 and consequently makes the fire protection curtain 2 come down.
  • the fire protection curtain 2 may also be kept in the top casing around the curtain roller by mechanical holding means, for example.
  • Such means may have, for example, a mechanism reacting to heat, which allows the fire protection curtain to lower when need be.
  • a braking mechanism in the structure 1, which slows down the descending of the fire protection curtain 2.
  • a braking mechanism may be a viscous brake, for example, which slows down the rotation of the curtain roller.
  • the descending of the fire protection curtain 2 is slowed down by arranging the motor 5 to act as a generator by means of which the movement of the fire protection curtain 2 is slowed down.
  • the solution may be implemented, for example, by so that when the power supply to the structure 1 is cut, the motor 5 acts as a generator which starts to produce electricity at the time the fire protection curtain 2 begins its gravitational descend.
  • the electricity generated by the generator is fed to a control circuit which adjusts the fire protection curtain 2 to come down controllably.
  • the fire protection curtain 2 is of such material that is able to withstand a specific temperature for a specific time. The requirement may be to with- stand 1000 °C for one hour, for example. Further, the fire protection curtain 2 is of such material that it may be rolled up around a curtain roller. The fire protection curtain 2 may be coated fibreglass fabric, for example.
  • the entire structure 1 has to withstand the temperatures defined for compartmentation for a specific time. Therefore, the gaps of the casings 3, 4a, 4b, for example, through which the fire protection curtain 2 passes, may be equipped with an expanding fire seal, for example, that seals the gaps in question as the temperature rises and consequently secures the operation of the structure 1 as a compartmenting fire stop.
  • the weight rod 6 is fixed at both ends to the vertical mechanism.
  • a vertical mechanism may be arranged inside the side casings 4a and 4b, for example.
  • the structure 1 further includes a synchronizing mechanism for controlling the curtain roller inside the top casing 3 and the vertical mechanisms inside the side casings 4a and 4b to move in such a manner that as the curtain roller is rotating, the weight rod 6 moves in the vertical direction as both ends of the weight rod 6 move in the same direction at the same speed. Further, as the weight rod 6 is moving in the vertical direction, or it is moved in the vertical direction, the synchronizing mechanism in question causes the curtain roller to rotate.
  • the structure 1 also works reliably in vehicles in which it is subjected to vibration and braking and acceleration of the vehicle.
  • the structure works reliably in a banking of ⁇ 10° and ascents of ⁇ 5°, for example, and combinations thereof.
  • the weight rod 6, as it is moving remains all the time parallel to the axis of the curtain roller.
  • the curtain roller and the vertical mechanisms may be synchronized electrically, for example, so that the control system is used to control them to op- erate at the same time with the desired movement and rotation speeds.
  • the synchronizing mechanism comprises means for mechanically joining the vertical mechanisms and the curtain roller. In such a case, the synchronizing mechanism works reliably during a power failure, too.
  • the weight rod 6 is at both ends connected to a toothed belt 9 by a coupling member 8.
  • a first synchronizing gear 11 is connected.
  • a second synchronizing gear 12 is connected in connection with the curtain roller 7 on its part.
  • the first synchronizing gear 11 and the second synchronizing gear 12 are interconnected, whereby when the curtain roller 7 rotates, the belt pulley 9 moves in the vertical direction and vice versa.
  • the structure according to Figure 6 is at both ends of the curtain roller 7.
  • the curtain roller 7 connects the toothed belts 9 at both ends of the weight rod 6 together.
  • the upper belt pulleys 10a and correspondingly the lower belt pulleys 10b could, if so desired, be interconnected by arranging them on a common shaft. This would, however, result in an extra shaft in the structure, so connecting the belt pulleys 10a together by the curtain roller 7 simplifies the structure.
  • the vertical mechanism may be a wire or a coarse thread screw, for example, or another mechanism suitable for the purpose.
  • the vertical mechanisms are mechanically interconnected by the top part of the structure.
  • the vertical mechanisms could be mechanically interconnected by the lower part of the structure, too. In this case, however, changes would also have to be made in the floor structures of the vehicle.
  • a handle 20 may be arranged in the lower part of the fire protection curtain 2.
  • the handle 20 may be of similar material as the fire protection curtain 2, for example, and the handle 20 may be sewn, for example, to the fire protection curtain 2.
  • the fire protection curtain 2 may be manually raised upward by the handle 20, if need be. Thanks to the synchronizing mechanism set forth, also manual moving of the fire protection curtain 2 and the resulting vertical moving of the weight rod 6 moves the vertical mechanisms, which in turn further rotate the curtain roller 7. This way, the fire protection curtain 2 is smoothly rolled up on the curtain roller 7.
  • the handle 20 It is preferable to arrange the handle 20 parallel to the axis of the curtain roller 7. This way the handle 20 does not substantially create a thicker spot around the curtain roller 7 as the fire protection curtain 2 winds around it.
  • Figure 7 illustrates that when the fire protection curtain 2 is raised up around the curtain roller 7, the circumferential speed of the roll formed together by the curtain roller 7 and the fire protection curtain 2 changes due to the influence of the fire protection curtain 2 on the curtain roller 7.
  • the fire protec- tion curtain 2 is rolled up around the curtain roller 7, the circumferential speed of the roll is greater than the ascending speed of the weight rod 6. This means that the fire protection curtain tends to tighten up.
  • the fire protection curtain 2 after leaving the curtain roller 7, goes around a length- compensating roll 13.
  • the length-compensating roll 13 is arranged such that its position may be moved.
  • the length-compensating roll 13 may be arranged to attach to the top casing 3 by means of a spring, for example.
  • the length-compensating roll 13 is at the end of an arm 14.
  • the arm 14 is arranged to turn around the axle 15.
  • a torsion spring 16 is arranged.
  • the torsion spring 16 aims to turn the arm 14 so that the length-compensating roll 13 is as high as possible.
  • the length-compensating roll 13 tightens the fire protection curtain 2 tighter when there is not very much of the fire protection curtain 2 rolled up on the curtain roller 7, as in Figure 3, for example. But when there is bigger quantity of the fire protection curtain 2 rolled up on the curtain roller 7, the fire protection curtain 2 tightens up and the spring 16 allows the length-compensating roll 13 to de- scend. This way, the fire protection curtain 2 will not tighten too much in the situation shown by Figure 7, either.
  • Figure 8 illustrates that the spring 16 may be arranged either in connection with the length-compensating roll 13 or in connection with the curtain roller 7, for example. Further, the spring 16 may be arranged between the weight rod 6 and toothed belt 9, for example, if so desired. In the latter case, a situation is however possible that when the fire protection curtain 2 is raised unevenly, one end of the weight rod 6 rises more than the other end. Therefore itis preferable to position the spring mechanism in the vicinity of the top part of the structure 1.
  • Figure 4 shows a detail of how an edge of the fire protec- tion curtain is arranged in connection with the side casing 4a, 4b.
  • a side support rod 17 of the curtain is placed inside the side casing 4a, 4b.
  • the side support rod 17 may be fastened to the floor, for example.
  • the coupling member 8 has an opening, whereby the coupling member 8 moves up and down around the side support rod 17.
  • a curtain channel 18 has been formed, arranged around the side support rod 17.
  • the coupling member 8, curtain channel 18, and side support rod 17 are all arranged inside the side casing 4a, 4b.
  • the fire protection curtain 2 passes through a slot 19 in the side casing 4a, 4b.
  • the slot 19 is smaller than the side support rod 17. This helps the fire protection curtain stay straight and firm in a simple manner.
  • the electric motor 5 may be arranged inside the curtain roller 7.
  • the rotation force of the motor may be conveyed to the curtain roller 7 by means of a planetary gear arranged inside the curtain roller.
  • the motor 5 may also be arranged external to the curtain roller 7, and the motor may then be connected to the curtain roller 7 by angle transmission, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Special Wing (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

The invention relates to a structure (1) for compartmenting a vehicle. The presented structure (1) for compartmenting a vehicle features a compartmenting fire protection curtain (2). The fire protection curtain (2) is stored above a passage substantially horizontally around a curtain roller (7). In connection with the fire protection curtain (2), a weight rod (6) has been arranged for gravitational lowering of the fire protection curtain (2) down to the passage. On both sides of the passage there is a vertical mechanism to which the weight rod (6) is mounted at its ends. The structure (1 ) further includes a synchronizing mechanism for controlling the curtain roller (7) and vertical mechanisms to move in such a manner that as the curtain roller is rotating, the weight rod (2) moves in the vertical direction as both ends of the weight rod (2) move in the same direction at the same speed and vice versa.

Description

Construction for compartmentation of a vehicle
Background of the invention
The invention relates to a structure for compartmenting a vehicle.
For fire safety, vehicles must be divided into separate fire compart- ments at specific intervals. Such a requirement for dividing into fire compartments exists for rolling stock wagons, such as railway coaches and underground train wagons.
Typically, the separation into fire compartments takes place by using fire doors. In vehicles, a problem is presented by the vibration of the vehicle as well as braking and acceleration of the vehicle. The moving of the vehicle uphill and downhill, as well as vehicle banking in curves cause additional problems. In all these situations, the structure for compartmenting a vehicle must be reliable. In addition, the structure should be as simple and light as possible. The structure must under all operating conditions be able to prevent fire from spreading from one compartment to another. On the other hand, the structure must allow escaping from one compartment to another in an emergency. In a normal situation, the structure must allow as smooth a transfer and movement in the vehicle from a compartment to another.
Brief description of the invention
It is an object of the present invention to provide a new type of structure for compartmenting a vehicle.
The solution according to the invention is characterized by what is disclosed in the independent claim. Some embodiments of the invention are presented in the dependent claims.
The presented structure for compartmenting a vehicle features a partitioning fire protection curtain. The fire protection curtain is stored above a passage substantially horizontally around a curtain roller. In connection with the fire protection curtain, a weight rod has been arranged for gravitational lowering of the fire protection curtain down to the passage. On both sides of the passage there is a vertical mechanism to which the weight rod is attached at its ends. The structure further includes a synchronizing mechanism for controlling the curtain roller and vertical mechanisms to move in such a manner that when the curtain roller is rotating, the weight rod moves in the vertical direction whileboth ends of the weight rod move in the same direction at the same speed and vice versa. Such a structure is operationally reliable. Furthermore, the structure is lightweight and allows easy movement between the vehicle compartments under normal conditions and, if need be, escaping from a compartment to another also in case of a fire.
In the presented solution, the weight rod of the fire protection curtain is at both ends fixed to a vertical mechanism. Further, the curtain roller rotates and the vertical mechanisms move under control of a synchronizing mechanism in such a manner that when the curtain roller is rotating, the weight rod moves in the vertical direction while both ends of the weight rod move in the same direction at the same speed, and correspondingly when the weight rod moves in the vertical direction, the curtain roller rotates. Such a definition means that, for example, raising the weight rod upward causes the synchronizing mechanism to control the curtain roller to rotate. In such a case, the fire protection curtain may, in an emergency, be easily and reliably raised upward from the lowered down position because as the weight rod is raised upward, also the curtain roller rotates and the fire protection curtain is able to wind around the curtain roller and does not form folds jamming the movement of the fire protection curtain.
An idea of an embodiment is that the synchronizing mechanism comprises means for mechanically joining the vertical mechanisms and the curtain roller. In such a case, the synchronizing mechanism is particularly reliable as to its operation.
An idea of an embodiment is that the vertical mechanisms are mechanically interconnected by the curtain roller. This way, additional mechanical structures between the vertical mechanisms may be avoided.
An idea of an embodiment is that the structure features an adjustment mechanism to compensate for the change in the circumferential speed caused by the fire protection curtain wound on the curtain roller. In such a case, the fire protection curtain winds from and onto the curtain roller smoothly and reliably.
Brief description of the figures
Some embodiments of the invention are described in greater detail in the attached drawings, in which
Figure 1 shows schematically the structure for compartmenting a vehicle with a fire protection curtain at the lowered down position,
Figure 2 shows the structure of Figure 1 with the fire protection curtain at the wound up position,
Figure 3 is a cross-section A - A of Figure 1,
Figure 4 is a cross-section B - B of Figure 1, Figure 5 is a cross-section C - C of Figure 1,
Figure 6 is a cross-section D - D of Figure 1,
Figure 7 is a cross-section E - E of Figure 2, and
Figure 8 is a view corresponding to Figure 3 of another embodiment heavily simplified.
Detailed description of the invention
Figure 1 shows a structure 1 for compartmenting a vehicle. In Figure 1, the structure shows a fire protection curtain 2, top casing 3, and side casings 4a and 4b.
The structure 1 is at specific intervals arranged in a vehicle to partition the vehicle into separate fire compartments. The vehicle where the structure 1 is arranged may be, for example, rolling stock wagons, such as a railway coach, underground train wagon, tram, or another vehicle requiring compartmentation.
Under normal operational situations, the fire protection curtain 2 is rolled up in the top casing 3 as shown in Figure 2. In this case the fire protection curtain is rolled up around a substantially horizontal curtain roller. The structure 1 is arranged on a passage of a vehicle. When the fire protection curtain is rolled up in the top casing, movement along the passage from a compartment to another is unobstructed.
The fire protection curtain may be kept in the top casing around the curtain roller, for example, electrically, making use of a solenoid, electric magnet, or electric motor 5. To the low end of the fire protection curtain 2, a weight rod 6 has been fixed. For example, if power supply to the structure 1 is cut, the fire protection curtain 2 will descend from the top casing 3 to the position indicated in Figure 1 as the weight rod 6 pulls the fire protection curtain 2 down by way of gravity. The descending of the fire protection curtain 2 may also take place, for example, by giving the motor 5 a control command to lower the fire protection curtain 2, or a smoke or fire sensor may provide a control command to lower the fire protection curtain 2, or a control command that cuts the power supply to the structure 1 and consequently makes the fire protection curtain 2 come down.
The fire protection curtain 2 may also be kept in the top casing around the curtain roller by mechanical holding means, for example. Such means may have, for example, a mechanism reacting to heat, which allows the fire protection curtain to lower when need be.
For the fire protection curtain 2 not to come down dangerously fast, it is possible to arrange a braking mechanism in the structure 1, which slows down the descending of the fire protection curtain 2. Such a braking mechanism may be a viscous brake, for example, which slows down the rotation of the curtain roller.
Preferably the descending of the fire protection curtain 2 is slowed down by arranging the motor 5 to act as a generator by means of which the movement of the fire protection curtain 2 is slowed down. The solution may be implemented, for example, by so that when the power supply to the structure 1 is cut, the motor 5 acts as a generator which starts to produce electricity at the time the fire protection curtain 2 begins its gravitational descend. The electricity generated by the generator is fed to a control circuit which adjusts the fire protection curtain 2 to come down controllably. By using the motor 5 as a generator slowing down the descend of the fire protection curtain 2, the use of a dedicated speed brake is avoided.
The fire protection curtain 2 is of such material that is able to withstand a specific temperature for a specific time. The requirement may be to with- stand 1000 °C for one hour, for example. Further, the fire protection curtain 2 is of such material that it may be rolled up around a curtain roller. The fire protection curtain 2 may be coated fibreglass fabric, for example.
Naturally, the entire structure 1 has to withstand the temperatures defined for compartmentation for a specific time. Therefore, the gaps of the casings 3, 4a, 4b, for example, through which the fire protection curtain 2 passes, may be equipped with an expanding fire seal, for example, that seals the gaps in question as the temperature rises and consequently secures the operation of the structure 1 as a compartmenting fire stop.
The weight rod 6 is fixed at both ends to the vertical mechanism. Such a vertical mechanism may be arranged inside the side casings 4a and 4b, for example. The structure 1 further includes a synchronizing mechanism for controlling the curtain roller inside the top casing 3 and the vertical mechanisms inside the side casings 4a and 4b to move in such a manner that as the curtain roller is rotating, the weight rod 6 moves in the vertical direction as both ends of the weight rod 6 move in the same direction at the same speed. Further, as the weight rod 6 is moving in the vertical direction, or it is moved in the vertical direction, the synchronizing mechanism in question causes the curtain roller to rotate. With such a solution, the structure 1 also works reliably in vehicles in which it is subjected to vibration and braking and acceleration of the vehicle. In addition, the structure works reliably in a banking of ±10° and ascents of ±5°, for example, and combinations thereof. Furthermore, the weight rod 6, as it is moving, remains all the time parallel to the axis of the curtain roller.
The curtain roller and the vertical mechanisms may be synchronized electrically, for example, so that the control system is used to control them to op- erate at the same time with the desired movement and rotation speeds. Preferably, however, the synchronizing mechanism comprises means for mechanically joining the vertical mechanisms and the curtain roller. In such a case, the synchronizing mechanism works reliably during a power failure, too.
In the following, with reference to Figures 3 to 6, a mechanical solution is presented for synchronizing the vertical mechanisms and the curtain roller. In this solution, the vertical mechanisms are mechanically interconnected by the curtain roller 7.
As shown in Figure 4, the weight rod 6 is at both ends connected to a toothed belt 9 by a coupling member 8. The toothed belt 9, as illustrated in Figure 3, for example, goes around an upper belt pulley 10a and a lower belt pulley 10b in the vertical direction. Coaxially with the upper belt pulley 10a, a first synchronizing gear 11 is connected. In connection with the curtain roller 7 on its part, a second synchronizing gear 12 is connected. The first synchronizing gear 11 and the second synchronizing gear 12 are interconnected, whereby when the curtain roller 7 rotates, the belt pulley 9 moves in the vertical direction and vice versa.
So, the structure according to Figure 6 is at both ends of the curtain roller 7. This way the curtain roller 7 connects the toothed belts 9 at both ends of the weight rod 6 together. The upper belt pulleys 10a and correspondingly the lower belt pulleys 10b could, if so desired, be interconnected by arranging them on a common shaft. This would, however, result in an extra shaft in the structure, so connecting the belt pulleys 10a together by the curtain roller 7 simplifies the structure.
Instead of the belt pulleys 9, the vertical mechanism may be a wire or a coarse thread screw, for example, or another mechanism suitable for the purpose. In the presented solution, the vertical mechanisms are mechanically interconnected by the top part of the structure. The vertical mechanisms could be mechanically interconnected by the lower part of the structure, too. In this case, however, changes would also have to be made in the floor structures of the vehicle.
As illustrated by Figure 1, a handle 20 may be arranged in the lower part of the fire protection curtain 2. The handle 20 may be of similar material as the fire protection curtain 2, for example, and the handle 20 may be sewn, for example, to the fire protection curtain 2. The fire protection curtain 2 may be manually raised upward by the handle 20, if need be. Thanks to the synchronizing mechanism set forth, also manual moving of the fire protection curtain 2 and the resulting vertical moving of the weight rod 6 moves the vertical mechanisms, which in turn further rotate the curtain roller 7. This way, the fire protection curtain 2 is smoothly rolled up on the curtain roller 7.
It is preferable to arrange the handle 20 parallel to the axis of the curtain roller 7. This way the handle 20 does not substantially create a thicker spot around the curtain roller 7 as the fire protection curtain 2 winds around it.
Figure 7 illustrates that when the fire protection curtain 2 is raised up around the curtain roller 7, the circumferential speed of the roll formed together by the curtain roller 7 and the fire protection curtain 2 changes due to the influence of the fire protection curtain 2 on the curtain roller 7. When the fire protec- tion curtain 2 is rolled up around the curtain roller 7, the circumferential speed of the roll is greater than the ascending speed of the weight rod 6. This means that the fire protection curtain tends to tighten up.
Instead, when the fire protection curtain 2 is at the lowered down position in the manner illustrated in Figure 3, for example, the circumferential speed of the roll is lower than the ascending speed of the weight rod 6. For this reason, it is advantageous to arrange an adjusting mechanism in the structure 1 to compensate for this circumferential speed. If there were no compensation whatsoever, when the fire protection curtain 2 is manually raised the fire protection curtain 2 would at first wind very loosely around the curtain roller 7, and when the fire protection curtain 2 is at the wound up position the fire protection curtain 2 might tighten too much.
In the embodiment illustrated in Figures 3 and 7, for example, the fire protection curtain 2, after leaving the curtain roller 7, goes around a length- compensating roll 13. The length-compensating roll 13 is arranged such that its position may be moved. The length-compensating roll 13 may be arranged to attach to the top casing 3 by means of a spring, for example. In the embodiment illustrated by Figures 3 and 7 the length-compensating roll 13 is at the end of an arm 14. The arm 14 is arranged to turn around the axle 15. In connection with the axle 15, a torsion spring 16 is arranged. The torsion spring 16 aims to turn the arm 14 so that the length-compensating roll 13 is as high as possible. This way, the length-compensating roll 13 tightens the fire protection curtain 2 tighter when there is not very much of the fire protection curtain 2 rolled up on the curtain roller 7, as in Figure 3, for example. But when there is bigger quantity of the fire protection curtain 2 rolled up on the curtain roller 7, the fire protection curtain 2 tightens up and the spring 16 allows the length-compensating roll 13 to de- scend. This way, the fire protection curtain 2 will not tighten too much in the situation shown by Figure 7, either.
Figure 8 illustrates that the spring 16 may be arranged either in connection with the length-compensating roll 13 or in connection with the curtain roller 7, for example. Further, the spring 16 may be arranged between the weight rod 6 and toothed belt 9, for example, if so desired. In the latter case, a situation is however possible that when the fire protection curtain 2 is raised unevenly, one end of the weight rod 6 rises more than the other end. Therefore itis preferable to position the spring mechanism in the vicinity of the top part of the structure 1.
Figure 4, for example, shows a detail of how an edge of the fire protec- tion curtain is arranged in connection with the side casing 4a, 4b. In this embodiment, a side support rod 17 of the curtain is placed inside the side casing 4a, 4b. The side support rod 17 may be fastened to the floor, for example. The coupling member 8 has an opening, whereby the coupling member 8 moves up and down around the side support rod 17. In the fire protection curtain 2, a curtain channel 18 has been formed, arranged around the side support rod 17. The coupling member 8, curtain channel 18, and side support rod 17 are all arranged inside the side casing 4a, 4b. The fire protection curtain 2 passes through a slot 19 in the side casing 4a, 4b. The slot 19 is smaller than the side support rod 17. This helps the fire protection curtain stay straight and firm in a simple manner.
As shown in Figure 5, the electric motor 5 may be arranged inside the curtain roller 7. The rotation force of the motor may be conveyed to the curtain roller 7 by means of a planetary gear arranged inside the curtain roller. The motor 5 may also be arranged external to the curtain roller 7, and the motor may then be connected to the curtain roller 7 by angle transmission, for example.
A person skilled in the art will find it obvious that, as technology advances, the basic idea of the invention may be implemented in many different ways. The invention and its embodiments are thus not restricted to the above- described examples but may vary within the scope of the claims.

Claims

Claims
1. A structure for compartmenting a vehicle, the structure (1) comprising a compartmenting fire protection curtain (2), a curtain roller (7) for storing the fire protection curtain (2) at the top part of the structure (1) in a substantially horizontal position, a weight rod (6) arranged in connection with the fire protection curtain (2) for gravitational lowering of the fire protection curtain (2) down from the curtain roller (7), and a vertical mechanism on both sides of the structure (1), characterised in that the weight rod (6) is at its ends attached to the vertical mechanisms, and the structure (1) comprises a synchronising mechanism for controlling the curtain roller (7) and vertical mechanisms to move in such a manner that when the curtain roller (7) is rotating, the weight rod (6) moves in the vertical direction while both ends of the weight rod (6) move in the same direction at the same speed and correspondingly when the weight rod (6) moves in the vertical direction the curtain roller (7) rotates.
2. A structure as claimed in claim 1, wherein the synchronizing mechanism comprises means for mechanically joining the vertical mechanisms and the curtain roller (7).
3. A structure as claimed in claim 2, where means for mechanically joining the vertical mechanisms and the curtain roller (7) are arranged in the top part of the structure (1).
4. A structure as claimed in claim 3, wherein the vertical mechanisms are mechanically interconnected by the curtain roller (7).
5. A structure as claimed in any one of the preceding claims, wherein the vertical mechanism comprises a toothed belt (9) to which the weight rod (6) is fixed, and belt pulleys (10a, 10b) around which the toothed belt (9) is arranged to go around.
6. A structure as claimed in any one of the preceding claims, having an adjusting mechanism which is arranged to compensate for the change in the circumferential speed caused by the fire protection curtain (2) rolled up on the cur- tain roller (7).
7. A structure as claimed in claim 6, wherein the fire protection curtain (2) is arranged to move downward from a roller axle around a length- compensating roll (13), and the position of the length-compensating roll (13) is arranged to be movable.
8. A structure as claimed in claim 6 or 7, wherein the adjusting mechanism comprises a spring (16).
EP17759325.8A 2016-02-29 2017-02-28 Construction for compartmentation of a vehicle Active EP3423163B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20165154A FI127685B (en) 2016-02-29 2016-02-29 Structure for dividing a vehicle into sections
PCT/FI2017/050131 WO2017149201A1 (en) 2016-02-29 2017-02-28 Construction for compartmentation of a vehicle

Publications (3)

Publication Number Publication Date
EP3423163A1 true EP3423163A1 (en) 2019-01-09
EP3423163A4 EP3423163A4 (en) 2019-11-20
EP3423163B1 EP3423163B1 (en) 2021-01-27

Family

ID=59743421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17759325.8A Active EP3423163B1 (en) 2016-02-29 2017-02-28 Construction for compartmentation of a vehicle

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Country Link
EP (1) EP3423163B1 (en)
FI (1) FI127685B (en)
WO (1) WO2017149201A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110304009B (en) * 2019-07-01 2020-05-22 中国安全生产科学研究院 Emergency shielding curtain system for passenger car fire and shielding method
DE102019125235B4 (en) 2019-09-19 2022-01-05 Audi Ag Electrically powered vehicle and procedures for occupant protection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1617439A (en) * 1925-10-24 1927-02-15 Wilson J G Corp Fire shutter
DE29509794U1 (en) * 1994-07-15 1995-08-24 Linke-Hofmann-Busch GmbH, 38239 Salzgitter Fire protection device for rail vehicles with transition area and transition opening, but without a front wall door
GB2299021B (en) * 1995-03-22 1999-08-25 Rasontec Nv Curtain,end bar and guide bar
WO1997035642A1 (en) * 1996-03-26 1997-10-02 Obayashi Corporation Walk-through type waterproof screen apparatus
US8251118B2 (en) * 2009-09-21 2012-08-28 Loar Ronald J Combination window shutter for fire and shade
CN105201391A (en) * 2015-10-16 2015-12-30 王述裕 Active type driving sun-shading system

Also Published As

Publication number Publication date
EP3423163A4 (en) 2019-11-20
WO2017149201A1 (en) 2017-09-08
FI127685B (en) 2018-12-14
EP3423163B1 (en) 2021-01-27
FI20165154A (en) 2017-08-30

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