Abstract
The present invention relates to a door operation system (1) for a door (2), the door (2) comprising: a protective barrier (3) configured to be in a rolled-in open state and configured to cover a door opening (18) in a rolled-out closed state; and first tracks (9a, 9b) arranged on side frames (19a, 19b) at each side of the protective barrier (3); the door operation system (1) comprising: curved or spiral tracks (13a, 13b) arranged at each side of the protective barrier (3) for accommodation of the protective barrier (3) in the rolled-in open state; and at least one drive unit (6) connected to the protective barrier (3) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state and vice versa; wherein the protective barrier (3) comprises first transmission elements (11a, 11b) connected to the at least one drive unit (6); wherein the curved or spiral tracks (13a, 13b) each comprises a second transmission element (14a, 14b); and wherein the first transmission elements (11a, 11b) are omega drive units configured to mesh with the second transmission elements (14a, 14b) and to move the protective barrier (3) along the second transmission elements (14a, 14b) by operating the drive unit (6) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state, and vice versa. The invention also relates to a method for replacing sections (4) of a protective barrier (3) of a door (2).
Claims
1. A door operation system (1) for a door (2), the door (2) comprising: a protective barrier (3) configured to be in a rolled-in open state and configured to cover a door opening (18) in a rolled-out closed state; and first tracks (9a, 9b) arranged on side frames (19a, 19b) at each side of the protective barrier (3); the door operation system (1) comprising: curved or spiral tracks (13a, 13b) arranged at each side of the protective barrier (3) for accommodation of the protective barrier (3) in the rolled-in open state; and at least one drive unit (6) connected to the protective barrier (3) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state and vice versa; wherein the protective barrier (3) comprises first transmission elements (11a, 11b) connected to the at least one drive unit (6); wherein the curved or spiral tracks (13a, 13b) each comprises a second transmission element (14a, 14b); and wherein the first transmission elements (11a, 11b) are omega drive units configured to mesh with the second transmission elements (14a, 14b) and to move the protective barrier (3) along the second transmission elements (14a, 14b) by operating the drive unit (6) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state, and vice versa.
2. The door operation system (1) according to claim 1, wherein the second tracks (13a, 13b) have a curved or spiral shape.
3. The door operation system (1) according to claim 1, wherein the omega drive units (11a, 11b) are connected to the drive unit (6) by means of a torque transmission unit (10).
4. The door operation system (1) according to claim 3, wherein a gearbox (12) is arranged between the torque transmission unit (10) and a first one of the omega drive units (11a, 11b), which gearbox (12) is configured to distribute torque and rotational movement from the drive unit (6) to the omega drive units (11a, 11b).
5. The door operation system (1) according to claim 3, wherein the torque transmission unit (10) is a telescopic propeller shaft.
6. The door operation system (1) according to claim 3, wherein the torque transmission unit (10) is a flexible shaft.
7. The door drive arrangement (1) according to claim 1, wherein the at least one drive unit (6) is arranged at one of the side frames (19a, 19b).
8. The door operation system (1) according to claim 6, wherein the at least one drive unit (6) is arranged on the protective barrier (3).
9. The door operation system (1) according to claim 1, wherein the omega drive units (11a, 11b) comprise sprockets (16) and the second transmission elements (14a, 14b) are chains.
10. The door operation system (1) according to claim 1, wherein the omega drive units (11a, 11b) comprise toothed pulleys and the second transmission elements (14a, 14b) are timing belts.
11. The door operation system (1) according to claim 9, wherein the omega drive units (11a, 11b) comprise sprockets (16) or toothed pulleys (16′) and wheels (17a, 17b).
12. The door operation system (1) according to claim 1, wherein the protective barrier (3) comprising a plurality of horizontal and interconnected sections (4) guided in the side frames (19a, 19b).
13. The door operation system (1) according to claim 11, wherein the omega drive units (11a, 11b) are arranged at one of the sections (4) near the curved or spiral (13a, 13b).
14. A method for replacing sections (4) of a protective barrier (3) of the door (2) according to claim 1, wherein the protective barrier (3) comprises a plurality of horizontal and interconnected sections (4) connected to the side frames (19a, 19b), and wherein the method comprises the step of: replacing (s101) at least one of the plurality of sections (4) farthermost from the second tracks (13a, 13b).
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0030] The above objects, as well as additional objects, features and advantages of the present invention will be more fully appreciated by reference to the following illustrative and non-limiting detailed description of example embodiments of the present invention, when taken in conjunction with the accompanying drawings.
[0031] FIG. 1 shows a schematic front view of a door operator system for a door according to the invention, with a protective barrier in a rolled-out closed state,
[0032] FIG. 2 shows a schematic side view of a door operator system for a door according to the invention, with a protective barrier in a rolled-out closed state,
[0033] FIG. 3 shows a schematic side view of a door operator system for a door according to the invention, with a protective barrier in a rolled-in open state,
[0034] FIG. 4 shows a schematic side view of a section of a door operator system for a door according to the invention, with a protective barrier in a rolled-out closed state,
[0035] FIG. 5 shows a schematic side view of a section of a door operator system for a door according to the invention, with a protective barrier in a partly rolled-in open state,
[0036] FIG. 6 shows a schematic front view of a door operator system for a door according to the invention, with a protective barrier in a rolled-out closed state,
[0037] FIG. 7 shows a schematic front view of a door operator system for a door according to the invention, with a protective barrier in a rolled-out closed state,
[0038] FIG. 8 shows a schematic front view of a door operator system for a door according to the invention, with a protective barrier in a rolled-out closed state, and
[0039] FIG. 9 shows a flow chart of a method for replacing sections of a protective barrier of a door according to the invention.
DETAILED DESCRIPTION
[0040] The present disclosure will now be described with reference to the accompanying drawings, in which currently preferred example aspects and embodiments of the disclosure are shown. This disclosure may, however, be embodied in many different forms and should not be construed as limited to the herein disclosed embodiments. The disclosed aspects and embodiments are provided to fully convey the scope of the disclosure to the skilled person.
[0041] FIG. 1 shows a schematic front view of a door operator system 1 for a door 2 according to the invention, with a protective barrier 3 in a rolled-out closed state. The protective barrier 3 is configured to cover a door opening 18. First tracks 9a, 9b are arranged on side frames 19a, 19b at each side of the protective barrier 3. Curved or spiral tracks 13a, 13b are arranged at each side of the protective barrier 3 for accommodation of the protective barrier 3 in a rolled-in open state. A drive unit 6 is connected to the protective barrier 3 for moving the protective barrier 3 from a rolled-out closed state to the rolled-in open state and vice versa. Omega drive units 11a, 11b are connected to the drive unit 6 via a drive shaft 5, a gearbox 12 and a torque transmission unit 10. The drive unit 6 is arranged at a distance from the omega drive units 11a, 11b. The drive unit 6 is arranged at one of the side frames 19a, 19b. The drive unit 6 is arranged at a position which is outside the area or space between the curved or spiral tracks 13a, 13b and the torque transmission unit 10 extends from the drive unit 6 into the area or space between the curved or spiral tracks 13a, 13b. The protective barrier 3 comprises a plurality of horizontal and interconnected sections 4 guided in the first tracks 9a, 9b. The sections 4 may be interconnected by hinges 7 and/or sealings 8. The omega drive units 11a, 11b are arranged at one of the sections 4 near the curved or spiral tracks 13a, 13b. Thus, the omega drive units 11a, 11b may be arranged nearby or above one of the sections 4 near the curved or spiral tracks 13a, 13b.
[0042] The gearbox 12 comprises sprockets and chain and the gearbox 12 is configured to distribute torque and rotational movement from the drive unit 6 to the omega drive units 11a, 11b via the torque transmission unit 10 and the drive shaft 5. The gearbox 12 is arranged between the omega drive units 11a, 11b and arranged on the protective barrier 3.
[0043] The torque transmission unit 10 may be a telescopic propeller shaft or a flexible shaft, which may compensate for distance and angle changes between the gearbox 12 and the drive unit 6 during open and closing the protective barrier 3.
[0044] Each of the curved or spiral tracks 13a, 13b comprises a second transmission element 14a, 14b. The omega drive units 11a, 11b are configured to mesh with the second transmission elements 14a, 14b and to move the protective barrier 3 along the second transmission elements 14a, 14b by operating the drive unit 6 for moving the protective barrier 3 from the rolled-out closed state to the rolled-in open state, and vice versa. The protective barrier 3 may be operated in both the opening and closing direction. In the rolled-out state of the protective barrier the protective barrier 3 covers the door opening 18 and no access through the door opening 18 is possible.
[0045] FIG. 2 shows a schematic side view of the door operator system 1 for the door 2 according to the invention, with the protective barrier 3 in a rolled-out closed state. The curved or spiral tracks 13a, 13b have a curved or spiral shape. The second transmission elements 14a, 14b also have a curved or spiral shape since the second transmission elements 14a, 14b are arranged at the curved or spiral tracks 13a, 13b. The curved or spiral shape of the drum or part of the drum enables a continuous decrease of roll up radius. The drive unit 6 (FIG. 1) is connected to the torque transmission unit 10 in the center of the second track 13b. The torque transmission unit 10 extend in angels α, β in relation to a horizontal plane. The angle α is disclosed in FIG. 1.
[0046] FIG. 3 shows a schematic side view of the door operator system 1 for the door 2 according to the invention, with the protective barrier 3 in a rolled-in open state. In the open position of the door 2, the protective barrier 3 has been rolled-up and pulled away from the door opening 18 and access through the door opening 18 is possible. The protective barrier 3 in FIG. 3 has been pulled up and rolled-up on the curved or spiral shaped curved or spiral tracks 13a, 13b. The door 2 in FIG. 3 has a vertical configuration. Pulling up or rolling up the protective barrier 3 in a spiral require a minimum of space over a lintel 15 when the door 2 is open.
[0047] FIG. 4 shows a schematic side view of a section of the door operator system 1 for the door 2 according to the invention, with the protective barrier 3 in a rolled-out closed state. The omega drive units 11a, 11b comprise sprockets 16 and the second transmission elements 14a, 14b are chains 20. Alternatively, the omega drive units 11a, 11b may comprise toothed pulleys 16′ and the second transmission elements 14a, 14b are timing belts 20′. In FIG. 4 the omega drive units 11a, 11b are omega drive units 15 comprising sprockets 16 and wheels 17a, 17b. An omega drive unit 15 may comprise at least one sprocket 16 or at least one toothed pulley 16′ and at least two wheels 17a, 17b arranged along the chain 20 or timing belt 20′.
[0048] FIG. 5 shows a schematic side view of a section of the door operator system 1 for the door 2 according to the invention, with the protective barrier 3 in a partly rolled-up state. The drive unit 6 (FIG. 1) has rotated the sprockets 16 or toothed pulleys 16′, so that the omega drive unit 15 has travelled along the chain 20 or timing belt 20′. Since the omega drive unit 15 is connected to the protective barrier 3, also a part of the protective barrier 3 has been pulled into the curved or spiral shaped curved or spiral tracks 13a, 13b.
[0049] FIG. 6 shows a schematic front view of the door operator system 1 for the door 2 according to the invention, with a protective barrier 3 in a rolled-out closed state. Two drive units 6 are arranged on the protective barrier 3. The drive units 6 are connected directly to the omega drive units 11a, 11b. The drive units 6 may be electrical motors driven by a battery 21, which is also arranged on the protective barrier 3. When rolling-in and rolling-out the protective barrier 3, the drive units 6 will follow the movement of the protective barrier 3. Also the battery 7 will follow the movement of the protective barrier 3. The power delivered from the battery may be 50 V or higher.
[0050] FIG. 7 shows a schematic front view of the door operator system 1 for a door 2 according to the invention, with a protective barrier 3 in a rolled-out closed state. One drive unit 6 is arranged on the protective barrier 3. The drive unit 6 is connected to the omega drive units 11a, 11b via the drive shaft 5. The drive unit 6 may be an electrical motor driven by a battery 21, which is also arranged on the protective barrier 3. When rolling-out and rolling-in the protective barrier 3, the drive units 6 will follow the movement of the protective barrier 3. Also the battery 7 will follow the movement of the protective barrier 3.
[0051] FIG. 8 shows a schematic front view of the door operator system 1 for the door 2 according to the invention, with the protective barrier 3 in a rolled-out closed state. The curved or spiral tracks 13a, 13b are arranged at each side of the protective barrier 3 for accommodation of the protective barrier 3 in a rolled-in open state. The drive unit 6 is connected to the protective barrier 3 for moving the protective barrier 3 from a rolled-out closed state to the rolled-in open state and vice versa. The omega drive units 11a, 11b are connected to the drive unit 6 via the drive shaft 5, the gearbox 12 and the torque transmission unit 10. The drive unit 6 is arranged at a distance from the omega drive units 11a, 11b. The drive unit 6 is arranged at one of the side frames 19a, 19b. The drive unit 6 is arranged at an area or space between the curved or spiral tracks 13a, 13b. The gearbox 12 comprises sprockets and chain and the gearbox 12 is configured to distribute torque and rotational movement from the drive unit 6 to the omega drive units 11a, 11b via the torque transmission unit 10 and the drive shaft 5. The gearbox 12 is arranged between the omega drive units 11a, 11b and arranged on the protective barrier 3.
[0052] FIG. 9 discloses a flow chart of a method for replacing sections of a protective barrier 3 of a door 2 according to the invention. The method thus relates to a door operator system 1 for a door 2 with a protective barrier 3 disclosed in FIGS. 1-9. Thus, the door 2 comprising: first tracks 9a, 9b arranged on side frames 19a, 19b at each side of the protective barrier 3, wherein the protective barrier 3 is configured to cover a door opening 18 and wherein the protective barrier 3 comprising a plurality of horizontal and interconnected sections 4 connected to the side frames 19a, 19b; a door operation system 1 comprising: curved or spiral tracks 13a, 13b arranged at each side of the protective barrier 3 for accommodation of the protective barrier 3 in a rolled-in open state; and at least one drive unit 6 connected to the protective barrier 3 for moving the protective barrier 3 from a rolled-out closed state to the rolled-in open state and vice versa; wherein the protective barrier 3 comprises omega drive units 11a, 11b, connected to the at least one drive unit 6); wherein the curved or spiral tracks 13a, 13b each comprises a second transmission element 14a, 14b; and wherein the omega drive units 11a, 11b are configured to mesh with the second transmission elements 14a, 14b and to move the protective barrier 3 along the second transmission elements 14a, 14b by operating the drive unit 6 for moving the protective barrier 3 from the rolled-out closed state to the rolled-in open state, and vice versa.
[0053] The method comprises the step of: replacing s101 at least one of the sections 4 farthermost from the curved or spiral tracks 13a, 13b.
[0054] The person skilled in the art realizes that the present invention is not limited to the preferred embodiments described above. The person skilled in the art further realizes that modifications and variations are possible within the scope of the appended claims. Additionally, all aspects and embodiments of the invention could be combined with the other aspects and embodiments of the invention. Additionally, variations to the disclosed embodiments can be understood and effected by the skilled person in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims.
