EP2382365B1 - Drive system for a door - Google Patents

Description

The invention relates to a drive system for a gate.

The door, which is driven by the drive system, may be formed in particular by a garage door.

Such a drive system is from the DE 10 2008 004 050 A1 known.

This drive system is used to close and open a gate with a door leaf, which is guided laterally in each case a guide rail. A carriage is guided in one of the guide rails and a push arm hingedly connected to the carriage and the upper edge of the door leaf. An engine is mounted on the push arm.

The drive system is designed as a chain drive. On a shaft of the motor, a sprocket is mounted, which is guided during operation of the drive system in engagement with a guided along the guide rail chain.

The power supply of the motor via a busbar, in which electrical lines are guided. The busbar is formed integrally with the chain channel.

The DE 102 39 181 A1 relates to an electromechanical drive for a gate, in particular for a garage door, with a one-piece or multi-part door leaf, which is guided in horizontal lateral and vertical guide rails on rollers. A drive motor with a drive wheel can be moved along one of the guide rails. The drive wheel is in the guide rail guided and is in operative connection with a power transmission means which is arranged in or next to the guide rail. For the power supply of the drive motor, at least one current-carrying device is present, which already extends in and / or next to the parts of the horizontal guide rail. The current-carrying device is a current conductor or a busbar.

The DE 20 2005 000 165 U1 relates to a partition, consisting of a plurality of individual wall elements which are movable in a running track arranged on the ceiling region and stackable in one of the end regions of the track rail and wherein each individual wall element is provided with an electric drive, which is formed of a drive with associated control. Power supply conductors are provided in the area of the running rail.

Based on this prior art, the present invention seeks to increase the functionality of a drive system of the type mentioned.

To solve this problem, the features of claim 1 are provided. Advantageous embodiments and expedient developments of the invention are described in the subclaims.

The invention relates to a drive system for a gate, the door leaf is guided laterally in each case a guide rail, wherein a carriage, which is hingedly connected to the upper edge of the door leaf, is guided along one of the guide rails. To power a motor driving the carriage extending conductor tracks are provided along the guide rail, which are selectively contacted at its front or rear end.

The drive system according to the invention can be installed quickly and without much design effort on door systems of different training. The advantage here is in particular that one of the guide rails of the door for the leadership of the carriage, by the movement of the gate is opened and closed, can be shared. It is also advantageous that the carriage can be optionally mounted on one of the guide rails, which further increases the flexibility in the installation of the drive system.

A significant advantage of the drive system according to the invention is that the supply lines can be kept short by a power supply to the tracks by the possibility of contacting the tracks at its front or rear end.

According to the invention, a rail running along the guide rail is provided, in which two metal inserts running along the longitudinal axis and forming the conductor tracks are provided.

The rail with the metal inserts forms a modular element, which can be attached to different guide rails. Since the metal inserts are integrated in the rail, they are completely independent of the electrical properties of the guide rail. Furthermore, it is advantageous that the rail itself or units fixable thereon ensure the fixation and position securing of the metal inserts, so that no further constructional measures are required for this purpose.

Particularly advantageously, the rail has a C-shaped profile for receiving the conductor tracks, wherein the metal inserts are mechanically and electrically separated by a web in the rail.

This succeeds in a structurally extremely simple fixation and electrical separation of the metal inserts.

According to an advantageous embodiment of the invention, in each case a contacting modules for electrical contacting of the metal inserts can be attached to the front and rear ends of the rail, wherein a plug is optionally attachable to one of the Kontaktiermodule as an electrical connection.

The contact via the plug is particularly simple and in particular without any use of tools feasible.

The contacting modules can be mounted as modular units replaceable on the rail. Thus, the contacting module can be attached to the front and rear ends of the rail. In addition, it is advantageous that the contacting modules provide mechanical support of the metal inserts in the rail. The Kontaktiermodule may be identical or have different designs.

The rail particularly advantageously fulfills a number of additional functions.

Thus, modules can be arranged displaceably on the rail, on which actuators are provided for integrated in the carriage limit switch.

Furthermore, the rail is pressed against a stop within the carriage, this stop is made of a sliding material. The rail supports a controlled guidance of the traction means, that is the chain. In addition, it is achieved by this construction that forces resulting from the sprocket due to the support of the rail at the stop remain within the carriage and are not led out of this.

The thus formed rail forms a highly integrated component, which itself assumes several different functions of the drive system and to which different modules of the drive system can be adapted.

This functionality of the rail is further increased by the fact that in the rail, a traction means is integrated, along which the carriage is movable.

Generally can be provided as traction means a toothed belt, a perforated belt, a rope, a ball chain or a rack, which is in engagement with a drive element of the carriage.

Particularly advantageously, the guide means is formed by a clamped in the rail chain, wherein a motor driven by the sprocket is in engagement with the chain.

It is particularly advantageous that the chain is used solely for the transport of the carriage, but does not have to be additionally used as a power supply means for the motor. The metal inserts in the rail show significantly better properties with respect to the power supply to the motor compared to a chain.

In a further advantageous embodiment of the invention openings are provided in a wall of the carriage, through which the pantographs are guided, the pantographs are stored non-destructively, that is, the current collector so formed are insensitive to interference and mechanical stress.

Figur 1:

Schematische Darstellung eines Tores mit einem zugeordneten Antriebssystem.

Figur 2a:

Aufbau des Antriebssystems gemäß Figur 1.

Figur 2b:

Detaildarstellung der Anordnung gemäß Figur 2a.

Figur 2c:

Seitenansicht der Anordnung gemäß Figur 2a.

Figur 3a:

Querschnittsdarstellung einer Schiene mit Metalleinsätzen für das Antriebssystem gemäß den Figuren 1 und 2.

Figur 3b:

Draufsicht auf die Unterseite der Schiene gemäß Figur 3a.

Figur 4:

Darstellung eines Laufwagens und eines an der Schiene gemäß Figur 3 gelagerten Moduls mit einem Endschalter-Betätiger.

Figur 5:

Querschnittsdarstellung eines Teils des Laufwagens gemäß Figur 4 mit einer Anordnung von Stromabnehmern.

Figur 6:

Draufsicht auf die Anordnung gemäß Figur 5.

The invention will be explained below with reference to the drawings. Show it:

FIG. 1:

Schematic representation of a gate with an associated drive system.

FIG. 2a:

Structure of the drive system according to FIG. 1 ,

FIG. 2b:

Detailed representation of the arrangement according to FIG. 2a ,

FIG. 2c:

Side view of the arrangement according to FIG. 2a ,

FIG. 3a:

Cross-sectional view of a rail with metal inserts for the drive system according to the FIGS. 1 and 2 ,

FIG. 3b:

Top view of the bottom of the rail according to FIG. 3a ,

FIG. 4:

Representation of a carriage and one of the rail according to FIG. 3 stored module with a limit switch actuator.

FIG. 5:

Cross-sectional view of a part of the carriage according to FIG. 4 with an array of pantographs.

FIG. 6:

Top view of the arrangement according to FIG. 5 ,

FIG. 1 schematically shows a drive system 1 for a gate 2, which is formed in the present case as a garage door. The gate 2, which is formed in the present case as a sectional door, which consists of several individual sections, that is Sections exists. In principle, the door 2 can also be designed as a side sectional door, all-round gate, tilt gate, swing gate or overhead door.

The gate 2 is guided at both edges in each case a guide rail 3. Each guide rail 3 has a rail segment running in the vertical direction and a rail segment running in the horizontal direction. The horizontal and vertical rail segments are connected by a curved rail segment.

FIG. 1 shows the door 2 in a closed position in which the door 2 is disposed between the vertical rail segments of the guide rail 3 and closes a door opening of the garage, not shown. In an open position, the gate 2 is arranged between the horizontal rail segments of the guide rail 3, which run under the ceiling of the garage.

By means of the drive system 1, the door 2 can be moved between the closed position and the open position. How out FIG. 1 As can be seen, the drive system 1 is installed on the left guide rail 3. Optionally, the drive system 1 could also be installed on the right guide rail 3.

The drive system 1 has a movable on the guide rail 3 carriage 4, which is driven by a motor 5, which is designed as an electric motor. The motor 5 is mounted on a push arm 6, which forms a hinged connection between the upper edge of the door 2 and the carriage 4. As a further component of the drive system 1, a rail 7 is guided in the region of the horizontal rail segment with guided therein, not separately shown in Figure 1 printed conductors. The interconnects serve to supply power to the motor 5. For this purpose, in the carriage 4 suitable in FIG. 1 not shown means for power collection integrated, which are in electrical contact with the conductor tracks and which are connected to the motor 5.

The rail 7 is fastened with not separately shown brackets at the longitudinal ends of the guide rail 3, in particular screwed.

In the region of each longitudinal end of the rail 7, a contacting module 8 is provided. The contacting modules 8 have, for example, identical designs and are plugged onto the rail 7, preferably clipped. For connection to a power supply, a plug 9 can optionally be plugged into one of the contacting modules 8, to which a cable 10 is attached, which can be connected with another plug to the control of the door drive. As the plug 9 optionally in the front contacting module 8 in the area of the door opening or, as in FIG. 1 shown, can be adjusted in the contacting module 8 at the rear end of the door, the cable length of the cable 10 can be kept down low. In each contacting module 8, a printed circuit board, not shown, is integrated, to which on the one hand connecting means for the plug 9 are contacted and on which on the other hand electrical contacts for producing a conductive connection with the conductor tracks of the rail 7 are provided.

Furthermore, two modules 11 are slidably mounted on the rail 7, which serve to specify the end positions of the carriage 4. These modules 11 are attached to the rail 7, in particular clipped.

The FIGS. 2a . 2 B and 2c show in detailed representations the essential components of the drive system 1. The FIGS. 2a and 2 B show the carriage 4 of the drive system 1 in a partial view, namely a plan view of a base body 4a made of plastic, in particular glass fiber reinforced plastic Figure 2c shows this arrangement in a side view. At this base 4a a pair of rollers 12 are rotatably mounted. These rollers 12 are guided in the guide rail 3, wherein the rollers 12 are adapted to different guide rails 3.

The carriage 4 is pivotally connected to the guided to the door leaf push arm 6. Figure 2c shows the lower free end of the push arm 6 with a pin 13 as a connection means to the door leaf.

With the arranged on the back of the push arm 6 motor 5, a sprocket 14 is driven. The sprocket 14 is seated on the shaft of the motor 5 for this purpose.

The sprocket 14 is engaged with a chain 15 which is clamped as traction means in the rail 7 and is mounted so fixed in the rail 7. The rail 7 and the integrated chain 15 are in the FIGS. 3a and 3b shown in more detail. The chain 15 extends in a chain channel 16 at the back of the rail 7. The chain channel 16 is open at the bottom of the rail 7, so that the sprocket 14 can come into engagement with the chain 15 via the open bottom.

How out FIG. 3a As can be seen, the front part of the rail 7 is formed by a C-shaped profile 17. This profile 17 is formed integrally with the chain channel 16 and consists of an electrically insulating material, in particular of plastic. In the middle of the C-shaped profile 17, a web 18 is provided, which is formed integrally with the C-shaped profile 17. The web 18 divides the profile 17 into two superimposed segments, wherein in each of the segments in each case one conductor track forming metal insert 19 is used. The metal inserts 19 are snapped into the segments, preferably clipped, wherein the walls of the C-shaped profile 17 and the web 18 for this purpose have suitable, not shown undercuts. By the Kontaktiermodule 8 at the ends of the rail 7, the metal inserts 19 are secured against displacements in the longitudinal direction of the rail 7. For this purpose, the contacting modules 8 have suitable stops.

By the motor 5, the sprocket 14 is set in a rotational movement, so that the carriage 4 with its guided in the guide rail 3 rollers 12 along this guide rail 3 and along the attached rail 7 moves. The rail 7 presses against a stop 20 (FIG. FIG. 2b ) on the base body 4a. The stopper 20, unlike the main body 4a is not made of glass fiber reinforced plastic but of lubricious plastic. At this stop 20 is the top of the chain channel 16 of the rail 7 at. This ensures that occurring within the carriage 4 forces are not led out of this.

On the in the FIGS. 2a to 2c illustrated base body 4a of the carriage 4 are mounted as further components of the carriage 4 electronic components and a cover.

The main body 4a of the carriage 4 with the electronic components is in FIG. 4 shown. In this case, an electronic assembly is provided with a circuit board 21, lead away from which connection cable 22, to which the motor 5 can be connected. Furthermore, two limit switches 23 are arranged on the printed circuit board 21. Each limit switch 23 has a switching lug 24.

In FIG. 4 Furthermore, one of the arranged on the rail 7 modules 11 is shown. The module 11 has an actuator for the switching lug 24 of the right limit switch 23. The actuator consists essentially of a cam 25. When the carriage 4 tapers on the module 11, the switching flag 24 comes into contact with the cam 25 of the actuator and is thereby pushed up, whereby the limit switch 23 is responsive.

To specify the two end positions, the modules 11 are pushed on the rail 7 in corresponding positions. Runs the carriage 4 then on one of the modules 11, the motor 5 is stopped by responding to the limit switch 23, the switching flag 24 was actuated by the actuator of the respective module 11.

FIG. 5 shows a cross-sectional view of the circuit board 21 with the limit switches 23 and a rear cable closing wall 26 as part of the cover of the electronic assembly. This wall 26 is the metal inserts 19, that is, the two interconnects in the rail 7, facing. FIG. 6 shows a plan view of this wall 26th

In the wall 26, two rectangular openings 27 are provided. Through each of the openings 27 projects a current collector 28 which is in electrical contact with one of the tracks of the rail 7. The current collectors 28 each consist of strip-shaped metallic material. Each current collector 28 forms a tab, wherein the back of a tab protrudes beyond the opening 27 and is thus contactable with the associated conductor track. Alternatively, a carbon contact piece can be used for contacting. The free ends of these tabs are contacted on the one hand with the circuit board 21. In addition, the free ends of a tab are each mounted on segments of the inside of the wall 26, wherein these segments are located at opposite edges of the opening 27. Due to the two-sided storage of the free ends on opposite edges of the opening 27 of the back of the tab is dimensionally stable in a respective opening 27 and is secured against mechanical damage.

By means of the guided along the tracks current collector 28, the power supply for the motor 5 is carried out via the contacting module 8, in which the plug 9 is inserted, the conductor tracks are connected to a power supply. The power supply of the motor 5, which is connected via the connection cable 22 to the printed circuit board 21, on which the current collectors 28 are provided, is then carried out with the current consumers 28 rubbing along the tracks during the travel of the carriage 4.

LIST OF REFERENCE NUMBERS

(1)

drive system

(2)

gate

(3)

guide rail

(4)

carriage

(4a)

body

(5)

engine

(6)

push arm

(7)

rail

(8th)

contacting module

(9.)

plug

(10)

electric wire

(11)

module

(12)

castors

(13)

spigot

(14)

Sprocket

(15)

Chain

(16)

chain channel

(17)

profile

(18)

web

(19)

metal insert

(20)

attack

(21)

circuit board

(22)

connection cable

(23)

limit switch

(24)

Schaltfahne

(25)

cam

(26)

wall

(27)

opening

(28)

pantograph

Claims (15)

1. Drive system (1) of a door (2), the door leaf of which is laterally guided in a respective guide rail (3), wherein a guide carriage (4), which is pivotably connected with the upper edge of the door leaf, is guided along one of the guide rails (3), wherein for power supply of a motor (5) driving the guide carriage (4) conductor tracks extending along the guide rail (3) are provided and are contactable selectably at the front or rear end thereof, characterised in that a rail (7) extending along the guide rail (3) is provided, in which rail two metal inserts (19) extending along the longitudinal axis of the rail and forming the conductor tracks are provided.
2. Drive system according to claim 1, characterised in that the rail (7) has a C-shaped profile (17) for receiving the conductor tracks.
3. Drive system according to one of claims 1 and 2, characterised in that the metal inserts (19) are mechanically and electrically separated by a web (18) in the rail (7).
4. Drive system according to one of claims 2 and 3, characterised in that a respective contact module (8) for electrical contact-making with the metal inserts (19) can be mounted at the front and rear end of the rail (7).
5. Drive system according to claim 4, characterised in that a plug (9) as electrical terminal can be selectably mounted on one of the contacting modules (8).
6. Drive system according to any one of claims 1 to 5, characterised in that modules (11) at which actuators for limit switches (23), which are integrated in the guide carriage (4), are provided are displaceably arranged at the rail (7).
7. Drive system according to any one of claims 1 to 6, characterised in that a traction means, along which the guide carriage (4) is movable, is integrated in the rail (7).
8. Drive system according to claim 7, characterised in that the traction means is formed by a chain (15) clamped in the rail (7), wherein a chainwheel (14) driven by the motor (5) is in engagement with the chain (15).
9. Drive system according to claim 7, characterised in that a cogged belt, an apertured band, a ball chain, a cable or a rack, which is in engagement with a drive element of the guide carriage (4) is provided as traction means.
10. Drive system according to any one of claims 1 to 9, characterised in that the guide carriage (4) has an abutment (20) of slide-promoting material, wherein the rail (7) is pressed against the abutment (20).
11. Drive system according to any one of claims 1 to 10, characterised in that power take-offs (28) disposed in contact with the conductor tracks are integrated in the guide carriage (4).
12. Drive system according to claim 11, characterised in that provided in a wall (26) of the guide carriage (4) are openings (27) through which the power take-offs (28) are guided, wherein the power take-offs (28) are mounted to be safe from destruction.
13. Drive system according to claim 12, characterised in that each power take-off (28) forms a strap protruding through the opening (27), wherein the free ends of the strap are fixed to segments, which lie on either side of the opening (27), of the inner side of the wall (26).
14. Drive system according to any one of claims 1 to 13, characterised in that the guide carriage (4) can be selectably mounted on one of the guide rails (3).
15. Drive system according to any one of claims 1 to 14, characterised in that the conductor tracks extend along a section, which extends in horizontal direction, of a guide rail (3).

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