Method for the commissioning of a door or window closer

1. A method for the commissioning of a door or window closer ( 1 ), which comprises an energy accumulator ( 28 ) for supplying a closing force for closing a rotatable or movable door leaf ( 5 ) or window sash and a damping device ( 20 ) counteracting the closing force with an electric motor ( 22 ) being operable as a generator, wherein a motor shaft ( 24 ) of the electric motor ( 22 ) is coupled to the leaf ( 5 ) by means of at least one transmission element ( 7 , 26 , 27 ) and is therefore rotatable by a movement of the leaf ( 5 ), wherein

the leaf ( 5 ) is opened and/or closed at least once in a teach-in process,

the angular position of the motor shaft ( 24 ) is recorded during opening and/or closing,

a functional relationship between the angular position of the motor shaft ( 24 ) and an angular position of the rotatable leaf ( 5 ) is determined at least over an area of the opening width of the leaf ( 5 ) on the basis of the recorded angular position of the motor shaft ( 24 ) and

the functional relationship is automatically taken as a basis for a subsequent actuation of the electric motor ( 22 ) for the damping of the closing movement of the leaf ( 5 ).

2. The method according to claim 1 wherein

the mass inertia moment of the leaf ( 5 ) is also determined on the basis of the recorded angular position of the motor shaft ( 24 ) and is automatically taken as a basis for a subsequent actuation of the electric motor ( 22 ) to dampen the closing movement of the leaf ( 5 ).

3. The method according to claim 1 wherein

the energy accumulator ( 28 ) comprises a closing spring, wherein a pretensioning of the closing spring is also determined on the basis of the recorded angular position of the motor shaft ( 24 ) and is automatically taken as a basis for a subsequent actuation of the electric motor ( 22 ) for dampening the closing movement of the leaf ( 5 ).

4. The method according to claim 1 wherein

the leaf ( 5 ) is opened up to a reference opening position during the teach-in process, the angular position of the motor shaft ( 24 ) is recorded at the reference opening position of the leaf ( 5 ) and the functional relationship as a function of the angular position of the motor shaft ( 24 ) being recorded at the reference opening position is selected from a set of predetermined reference functions.

5. The method according to claim 4 wherein

a predetermined angular position of the motor shaft ( 24 ) corresponding to the reference opening position is assigned to each reference function and that this reference function is selected as the functional relationship whose predetermined angular position deviates least from the angular position of motor shaft ( 24 ) being recorded in the reference opening position.

6. The method according to claim 4 wherein

the leaf ( 5 ) is opened several times during the teach-in process up to the different reference opening positions and the functional relationship is selected as a function of a plurality of angular positions of the motor shaft ( 24 ) being recorded at reference opening positions.

7. The method according to claim 4 wherein

the reference opening position comprises an opening angle of the leaf ( 5 ) of 90° and/or 45° being related to a closing position.

8. The method according to claim 4 wherein

the reference functions correspond to different designs and/or different methods of mounting the door or window closer ( 1 ).

9. The method according to claim 1 wherein

the leaf ( 5 ) is closed at least once by the energy accumulator ( 28 ) in the teach-in process based on a reference opening position, wherein the angular position of the motor shaft ( 24 ) is recorded at least in some sections during the closing process based on the time and the functional relationship is determined as a function of the time sequence of the angular position.

10. The method according to claim 9 wherein

the functional relationship is selected as a function of the time sequence of the angular position of the motor shaft ( 24 ) from the set of predetermined reference functions.

11. The method according to claim 10 wherein

each reference function is assigned a predetermined time sequence of the angular position of the motor shaft ( 24 ) and that each reference function is selected as a functional relationship whose predetermined time sequence deviates least from the recorded time sequence.

12. The method according to claim 9 wherein

the functional relationship is calculated from the time sequence of the angular position of the leaf ( 5 ) and the time sequence of the angular position of the motor shaft ( 24 ) by eliminating the time variable.

13. The method according to claim 9 wherein

the angular position of the leaf ( 5 ) is recorded during the closing process by means of at least one position sensor being arranged on the leaf, specifically by means of acceleration sensors and/or speed sensors and/or a gyroscope.

14. The method according to claim 13 wherein

a mobile telephone ( 41 ) with a position sensor is fitted in a detachable manner to the leaf ( 5 ) to detect the angular position of the leaf ( 5 ) and data recorded by the position sensor is transmitted to a control device ( 10 ) of the door or window closer ( 1 ) after the leaf ( 5 ) is closed.

15. The method according to claim 9 wherein

the closing speed of the leaf ( 5 ) is at least temporarily kept constant by controlling the electric motor ( 22 ) on the basis of the determined functional relationship, wherein the angular position of the motor shaft ( 24 ) is recorded at least at two points during the closing movement at a constant speed and the recorded angular positions of the motor shaft ( 24 ) are applied in a model equation which describes an unaccelerated movement of the leaf ( 5 ) and wherein the pre-tension of the closing spring ( 28 ) of the damping device ( 20 ) is determined by solving the model equation.

16. The method according to claim 15 wherein

the model equation represents an energy balance which equates the energy loss of the electric motor ( 22 ) and the difference in tension energy of the closing spring ( 28 ) between the two points.

17. The method according to claim 15 wherein

the model equation can represent a torque balance of the torques acting on the motor shaft ( 24 ).

18. The method according to claim 1 wherein

the determined functional relationship is incorporated into a model equation describing the movement of the leaf ( 5 ) and the mass inertia moment of the leaf ( 5 ) is determined by solving the model equation.

19. The method according to claim 1 wherein

the angular position of the motor shaft ( 24 ) is recorded by means of an incremental encoder.

20. A door or window closer ( 1 ) which comprises an energy accumulator ( 28 ) for supplying a closing force for closing a rotatable leaf ( 5 ) of the door or sash of the window, a damping device ( 20 ) counteracting the closing force with an electric motor ( 22 ) being operable as a generator and an electronic control device ( 10 ) for actuating the electric motor ( 22 ), wherein

the electronic control device ( 10 ) is designed for a commissioning method according to claim 1 .