EP3330472A1 - Carousel door arrangement and method for compensating for a non-uniform external force - Google Patents

Abstract

A revolving door arrangement and a method for compensating for a force fluctuation acting on a door leaf (3) of a revolving door arrangement (1) as a function of a rotational position from an externally non-uniform point are proposed. The revolving door assembly (1) comprises: a turnstile (2) supporting the door (3), - an evaluation unit and - An electric drive (8) with a stator and - a rotor the rotor being coaxial with an axis of rotation (4) of the turnstile (2) and connectable to the turnstile (2) for direct, gearless drive, the method comprising the steps of: - rotating the turnstile (2), - Determining the externally on the door (3) acting force fluctuation and / or a rotational speed fluctuation and / or torque fluctuation depending on the rotational position and - Controlling of the stator with a determined based on the determined in dependence on the rotational position force fluctuation and / or the rotational speed fluctuation electrical signal, by means of which the force fluctuation and / or the rotational speed fluctuation and / or the torque fluctuation are compensated.

Description

The present invention relates to a revolving door arrangement and to a method for compensating a force variation which acts non-uniformly on a door leaf of a revolving door arrangement as a function of a rotational position.

Are known revolving door assemblies, which have an asynchronous motor with downstream transmission. In this case, a multi-stage transmission (eg worm gear, toothed belt stages) is typically used. To drive the turnstile of the revolving door assembly a multi-tooth shaft is used, which is firmly connected to the drive unit. This drive system is first installed in the ceiling construction. Then the turnstile including the door wings is mounted. A disadvantage of the known in the prior art embodiments is that the door wings experience a non-uniform external frictional force during their movement through the drum / post. This leads to a non-uniform moment which the electric drive has to apply over the rotational positions. The result is speed fluctuations, which entail a loss of comfort for the user. Moreover, operating noise of the revolving door assembly may appear nonuniform, which suffers from the quality impression of the user.

It is an object of the present invention to provide a revolving door assembly and a method which overcome the aforementioned disadvantages.

The solution of the above object is achieved by the features of the independent claims. The dependent claims relate to advantageous embodiments of the invention.

Thus, the object is achieved by a method for compensating a force fluctuation acting on a door leaf of a revolving door arrangement as a function of a rotational position of an externally non-uniform manner. The revolving door assembly comprises a turnstile supporting the door leaf, an evaluation unit and an electric drive with a stator and a rotor. The turnstile comprises at least two door leaves and is rotatably mounted about an axis of rotation, wherein along the axis of rotation an axial direction and perpendicular to the axial direction a radial direction are defined. The electric drive may, for example, be designed as an electronically commutated multi-pole motor having a stator comprising a laminated stator core and a plurality of coils, and a rotor comprising a rotor laminated core and a plurality of permanent magnets. The rotor can be arranged coaxially with the axis of rotation and can be connected to the turnstile for direct, gearless drive. An evaluation unit is set up to carry out logical steps for the operation of the revolving door arrangement. The evaluation unit can be understood as an electronic control unit. It can be a programmable processor, a microcontroller or the like. exhibit. The hardware described above is operated according to the invention as follows. First, the turnstile (in a learning drive) is rotated. This can be done by means of the drive. In this case, the force fluctuation and / or rotational speed fluctuation and / or torque fluctuation acting externally on the door leaf are determined as a function of the rotational position. For example, a force sensor, a current sensor or a high-resolution position sensor may be used to determine the non-uniformity of said operational quantities over the rotational positions. From the determined non-uniformities of the operating parameters can then be a signal be determined, which is suitable for the compensation of the nonuniformities. If the turnstile is operated in a controlled mode during the learning run, although power fluctuations and / or torque fluctuations can be determined, but only small rotational speed fluctuations. In this case, due to the periodicity of the force fluctuations / torque fluctuations, the values actually generated by the control method are suitable for applying a corresponding pilot control, which will be discussed below. To compensate for the force / rotational speed and / or torque fluctuation, the stator is actuated after completion of the learning drive with a predefined electrical signal based on the fluctuation quantities determined as a function of the rotational position. The predefined electrical signal was thus created on the basis of the knowledge about the force fluctuation during the learning journey and dimensioned such that the force fluctuations or torque fluctuations do not manifest themselves in a rotational speed variation over the rotational positions of the turnstile. This does not exclude that a compensation made according to the invention is again subjected to a learning run according to the invention in order subsequently to be able to better compensate for the possibly remaining speed fluctuations and / or nonuniformities changed over time (eg due to changed friction parameters, worn brushes) the door wings, etc.) and to compensate. As a result, a revolving door assembly designed according to the invention has a uniform rotational movement and an even sound pattern.

The electrical signal may, for example, be predefined or pre-controlled with regard to a voltage and / or a current and / or an amplitude and / or a frequency and / or a pulse-pause ratio (in the case of a pulse width modulation, PWM). For example, a DC electrical voltage as the operating voltage by means of a Evaluation unit are chopped into suitable pulses, which transmits a suitable for the compensation of the power fluctuation electrical signal to the electric drive. This does not exclude that further signal processing steps are carried out between the evaluation unit and the final stage of the drive.

Preferably, a position sensor arranged in the drive is used, which gives the evaluation unit information about the current position of the rotor / the turnstile. For example, Hall sensors may be arranged in the stator of the drive, which receive the magnetic field of the rotor and forward corresponding electrical signals to an evaluation unit. Based on a reference, the evaluation unit can determine the absolute and / or relative position of the turnstile and assign the force fluctuations as well as the parameters of the predefined electrical signal to the rotational positions of the turnstile.

The data determined during the learning drive with respect to the force fluctuation / rotational speed fluctuation / Drehmomentschwan effect (depending on the chosen driving method) may represent a current consumption of the electric drive and / or an electrical voltage to the terminals of the stator of the electric drive over the rotational positions and / or rotational positions of Feature turnstile over time. The electrical voltage or current used during the learning run in a controlled mode to compensate for the force variations / rotational speed variations may be plotted over the rotational positions of the turnstile or over the time of complete rotation of the turnstile. Since every rule system respects the laws of causality, the electrical quantities voltage / current fed in to compensate for the fluctuation in power become temporal and spatial to lag the positions where they are actually needed. Preferably, they can therefore be assigned to the rotational positions of the turnstile, so that subsequently an even more suitable electrical signal (pilot control signal, pilot control table) can be predefined by shifting with respect to the rotational positions in the direction of preceding rotational positions. Depending on the resolution of the rotational position detection, the values ascertained by regulation can thus be respectively assigned to a next preceding preceding rotational position or to a preceding rotational position preceding several rotational positions. The shift range of the control values depends in particular on the time offset of the controller used, which results between its input signal and the corresponding output signal.

In the learning journey according to the invention also post crossings are taught. When driving over the vertical posts of the drum walls by the brushes of the door, there is usually a slight braking of the door. As a result, the uniform concentricity of the revolving door is impaired. An object of the present invention is to improve the tracking characteristics of revolving doors. In the following, an embodiment of a solution according to the invention is reproduced in other words: The method serves to control a revolving door system which has a revolving door with a turnstile and at least one control. The turnstile is drivingly operatively connected to at least one electric drive. During a learn run, the controller detects the motor current and / or the motor voltage of the electric drive. The controller also detects position information representing the angular position of the rotor of the electric drive. Subsequently, a control signal is generated by the controller for accelerating the revolving door by means of the electric drive to a constant angular velocity. After reaching the constant angular velocity, a change in the engine torque or the motor voltage with the stored corresponding position information in which a change of the motor current and / or the motor voltage has occurred. Information about a change in the motor current and / or a motor voltage with corresponding position information may be stored in the controller, in which case a change in the motor current or the motor voltage is to be made. For this purpose, first position information can be detected, an adjustment of the motor current or the motor voltage by the amount of the stored change of the motor current and / or the change of the stored motor voltage before or during the next run over the stored position information are made and an adjustment of the motor current or the Motor voltage can be made by the amount of the stored change in the motor current or the change of the stored motor voltage after passing over the stored position information.

According to a second aspect of the present invention, a revolving door arrangement is proposed which has a turnstile which has at least one door leaf, preferably two, three, four, five or more door leaves. Furthermore, an evaluation unit and an electric drive with a stator and a rotor for rotationally driving the turnstile are provided. The rotor can be arranged coaxially to an axis of rotation of the turnstile and connected to the turnstile for direct, gearless drive. The evaluation unit is set up to carry out the steps of a method according to the invention, as described in detail above in connection with the first aspect of the invention. The features, combinations of features and the advantages arising therefrom correspond to those of the first-mentioned aspect of the invention so that reference is made to the above statements in order to avoid repetition.

The stator of the electric drive may be provided for fixed mounting. In particular, it may be arranged to be fastened to a ceiling (eg a suspended ceiling and / or a concrete ceiling). The stator may be arranged on the axis of the door cross in such a way that together with the rotor it forms an air gap arranged coaxially with the axis of the turnstile. In other words, preferably no transmission is provided between the drive and the turnstile. The result is a backlash-free kinematic relationship between the drive and the turnstile.

The revolving door assembly may further comprise a frequency converter, which preferably also has the evaluation unit and an output stage for controlling the electric drive. The evaluation unit is set up to realize a parameter of an electrical signal for controlling the electric drive by means of a pulse width modulation. The frequency converter is set up to control the output stage with a multi-phase representation of the electrical signal as a function of the pulse-width-modulated signal. In other words, a power signal can be generated by means of the output stage, which allows energization of the drive in response to an output signal of the evaluation unit. The components required for operating the revolving door arrangement according to the invention can thus be matched to one another in the best possible way. Preferably, they can be arranged in a common housing. The housing may include the frequency converter, the power amplifier and the evaluation unit. The housing may have a (in particular common) connection for an operating voltage of the aforementioned components. In particular, the drive can be supplied with electrical energy via the operating voltage.

The evaluation unit can be set up, based on a position sensor in the electric drive, a current speed, a determine current position and / or a current speed of the turnstile. The position sensor may have at least one, preferably two, in particular three or more Hall sensors. The position sensor can also have an encoder on the rotor of the drive. This can be used as part of a learning journey to identify an absolute turnstile position. It can also have a magnetic mode of action (eg a permanent magnet in conjunction with a Hall sensor). The Hall sensors may in particular be arranged in the stator of the electric drive and be configured to generate a signal depending on an alternating magnetic field generated by means of the rotor, by means of which the positioning, the rotational speed and / or the actual speed of the rotor (and thus of the turnstile) to be determined. The electric drive can be designed as a brushless motor. The result is a highly efficient electric drive and an exact positioning of the rotor by means of the method according to the invention.

Fig. 1

eine Karusselltüranordnung gemäß einem Ausführungsbeispiel der vorliegenden Erfindung;

Fig. 2

die Karusselltüranordnung in einer Schnittdarstellung;

Fig. 3

wesentliche Bestandteile der Karusselltüranordnung in einer Explosionsdarstellung;

Fig. 4

ein Schema zur Erzeugung einer Vorsteuertabelle bzw. zur Erzeugung eines vordefinierten elektrischen Signals aus Regelwerten;

Fig. 5

ein Flussdiagramm veranschaulichend Schritte eines Ausführungsbeispiels eines erfindungsgemäßen Verfahrens; und

Fig. 6

ein Blockschaltbild eines Ausführungsbeispiels einer erfindungsgemäßen Karusselltüranordnung.

The invention will be explained in detail with reference to the accompanying drawings. Showing:

Fig. 1

a revolving door assembly according to an embodiment of the present invention;

Fig. 2

the revolving door assembly in a sectional view;

Fig. 3

essential components of the revolving door assembly in an exploded view;

Fig. 4

a scheme for generating a pilot control table or for generating a predefined electrical signal from control values;

Fig. 5

a flowchart illustrating steps of an embodiment of a method according to the invention; and

Fig. 6

a block diagram of an embodiment of a revolving door assembly according to the invention.

Fig. 1 shows an isometric view of a revolving door assembly 1. The revolving door assembly 1 comprises a turnstile 2. This hub 2 has four door leaves 3. The door leaves 3 are each angled at 90 ° to each other. The turnstile 2 is arranged rotatably about a rotation axis 4. The axis of rotation 4 extends in the axial direction 5. Perpendicular to the axial direction 5, a radial direction 6 is defined. Around the axial direction 5, a circumferential direction 7 is defined.

On the turnstile 2, a drive 8 is arranged. This drive 8 is designed as electronically commutated Vielpolmotor. The rotor 17 (s. Fig. 2 ) This drive 8 is connected coaxially to the axis of rotation 4 with the turnstile 2. This allows the drive 8 a direct and gearless drive the turnstile. 2

Fig. 2 shows a section through the revolving door assembly 1. From the revolving door assembly 1, only the drive 8 is shown.

The drive 8 comprises a stator 10 and the rotor 17. Like Fig. 1 shows, the drive 8 is arranged above the turnstile 2. In this case, the rotor 17 is located between the turnstile 2 and the stator 10.

Fig. 2 shows a rotatably connected to the rotor 17 connecting element, designed as a multi-toothed shaft. About this connecting element, the turnstile 2 is rotatably connected to the rotor 17.

The stator 10 comprises a stator disk 12. A stator laminated core 11 is arranged on the outer circumference of the stator disk 12. The individual coils 13 of the stator 10 are stuck on this stator laminated core 11.

Each coil comprises a bobbin 14, for example made of plastic. On this bobbin 14 are the windings 15 of the single coil thirteenth

The rotor 17 comprises a rotor disk 43. This rotor disk 43 lies opposite the stator disk 12. Between the two discs 43, 12, the laminated stator core 11 is arranged with the coils 13. At the outer periphery of the rotor disk 43, a rotor core 18 is arranged. Radially within the rotor core 18, a plurality of permanent magnets 19 are arranged on the rotor core 18.

In the region of the axis of rotation 4, a thrust bearing 20 and a radial bearing 21 are formed between the stator 12 and the rotor disk 43. In the illustrated embodiment, the thrust bearing 20 and the radial bearing 21 are formed as sliding bearings.

In Fig. 2 Furthermore, an embodiment of a frequency converter 25 is shown, which has a connection 27 for an operating voltage. Within the frequency converter 25, an evaluation unit 9, a motor IC 36 (integrated circuit for drive control) and an output stage 26 for controlling the drive 8 are provided. The evaluation unit 9, the motor IC 36 and the output stage 26 are used in conjunction with Fig. 4 discussed in more detail.

The in Fig. 1 shown drive 8 is part of the revolving door assembly 1. This revolving door assembly 1 is in section in Fig. 2 shown. The revolving door assembly 1 next to the drive 8 includes an adapter unit 101. This adapter unit 101 is used for mounting the drive 8 on a parent ceiling construction 103. In the example shown, the ceiling construction 103 comprises two parallel horizontal beams.

The adapter unit 101 comprises at least one ceiling mounting element 102. This is formed here as a right angle bent angle. The ceiling fastening element 102 is fastened in the profiles of the ceiling construction 103 via a screw connection and corresponding sliding blocks.

The adapter unit 101 further comprises an adapter plate 107. With this adapter plate 107, the ceiling mounting member 102 is firmly connected, for example, welded.

At the periphery of the adapter plate 107 a plurality of fixing elements 104 of the adapter unit 101 are attached. These fixing elements 104 each serve to secure a suspended ceiling element 105.

The adapter unit 101 further comprises at least one drive fastening element 106. This is designed here as a screw connection and serves for fastening the drive 8 to the adapter unit 101, in particular to the adapter plate 107.

Fig. 2 and 3 show preferred Vorfixiereinheiten 110. These Vorfixiereinheiten 110 here include a snap hook. This makes it possible to lift the drive 8 from below to the adapter plate 107. In this case, the pre-fixing units 110 engage and the drive 8 is pre-fixed to the adapter unit 110. Then designed as screw driving fasteners 106 can be set.

Furthermore, the illustration in FIG Fig. 3 a preferred connection recess 111 in the adapter plate 107. About this Connection recess 111 is an electrical contact, in particular one or two connectors within the drive 8 accessible from above.

The drive 8 has position sensors 28 in the form of Hall sensors, which are arranged on the circumference of the stator. The position sensors 28 are arranged to detect (not shown) position sensor on the (not shown) rotor and to report a rotational position of the drive 8 to the (not shown) evaluation unit.

Fig. 4 shows a table in which exemplary rotational positions 32 are characterized by unitless, ascending numerals. In the line below control values 33 are shown, which were used in a learning run to produce a uniform speed behavior of the revolving door assembly. In the first three rotational positions 32 (1, 2, 3), identical control values 33 (5, 5, 5) were used. A force fluctuation in the range of the next higher rotational positions 32 (4, 5) leads to increased control values 33 (7, 6). With regard to higher rotational positions 32 (6, 7), the control values 33 (5.5) used at the beginning were used again. In order to generate suitable precontrol values 34, the control values 33 (7, 6) in the illustrated table were shifted in the direction of preceding rotational positions 32 (3, 4). In this way, it is avoided when controlling the electric drive of a revolving door assembly according to the invention that speed fluctuations are actually created too late in the course of a scheme. In other words, the electrical signals required for compensation are applied to the stator of the electric drive in terms of time and with respect to their rotational positions in order to produce the best possible compensation of the periodic external force fluctuations.

FIG. 5 1 shows a flowchart illustrating steps of an exemplary embodiment of a method according to the invention for compensating a force fluctuation which acts non-uniformly on a door leaf of a revolving door arrangement as a function of a rotational position. In step S100, the turnstile of the revolving door assembly is rotated in the course of a learning drive. In step S200, the force fluctuation externally applied to the door is detected by a rotational speed fluctuation. This does not exclude that a control method directly attempts to compensate for the rotational speed fluctuation. Only one parameter for the force fluctuation / rotational speed fluctuation is to be recorded in the course of the learning run and stored as a function of the rotational position. In step S300, a plurality of values for a control signal obtained through a force fluctuation compensation control over the rotational positions of the turnstile are applied. In particular, discrete rotational positions can be provided with a respective control value and stored. In step S400, a displacement of the values relative to the associated rotational positions is performed to generate the electrical signal, whereby a pre-control table or a pilot signal are generated. In this case, the electrical values generated during control are assigned to an immediately preceding rotational position in order to generate the earliest possible compensation of the periodically occurring force fluctuation. Subsequently, in step S500, the stator of the electric drive is actuated with an electrical signal predefined on the basis of the pilot control table in order to compensate for the rotational speed fluctuations of the turnstile.

Fig. 6 shows a block diagram of an embodiment of a revolving door assembly according to the invention. Via a terminal 27 is an operating voltage of 24V to the electrical system connected. A DC / DC converter 41 feeds a microcontroller as the evaluation unit 9 with a voltage of 5V or optionally 3.3V. In addition, the operating voltage is applied via a diode 42 to a motor IC 36 and an output stage 26 for energizing the stator 10. The motor voltage may, for example, lie in a predefined range. The microcontroller may have further input variables (not shown). For example. For example, the Hall sensors can be connected to the microcontroller for determining a rotational position of the drive. The microcontroller provides pulse width modulated signals for controlling the output stage to the motor IC 36. These also have a level of 5V or 3.3V. The pulse width modulated signals are used to control the three phases U, V, W of the stator 10 z. B. with 6 signals U_H, U_L, V_H, V_L, W_H, W_L (H - high, L - low). Moreover, a control line 39 and an error reporting line 40 are provided between the microcontroller and the motor IC 36. By means of the motor IC 36 high / low signals with adjusted voltage levels GH_U, GL_U, GH_V, GL_V, GH_W, GL_W for driving the MOSFETs of the output stage 26 can be output. Moreover, the motor IC 36 is used for short-circuit prevention for the control of the output stage 26. In other words, it is avoided that arranged in a common bridge branch transistors of the output stage 26 are simultaneously turned on and the power amplifier thereby takes damage. The control signals GH_U, GL_U, GH_V, GL_V, GH_W, GL_W are designed as pulse width modulated signals. However, the respective high (H) signal substantially represents the respective level reversal of the low (L) signal for the phases U, V, W, with a dead time for avoiding the abovementioned short circuit between the edges of the signals. The microcontroller, the motor IC 36 and the output stage 26 are shown as components of a frequency converter 25, the components of which can be arranged in a common housing. In particular, the components of the frequency converter 25 may be arranged on a common board.

LIST OF REFERENCE NUMBERS

1

Revolving door arrangement

2

turnstile

3

door

4

axis of rotation

5

axially

6

radial direction

7

circumferentially

8th

drive

9

evaluation

10

stator

11

stator lamination

12

stator

13

Do the washing up

14

bobbins

15

winding

17

rotor

18

Laminated core

19

permanent magnets

20

thrust

21

radial bearings

25

frequency converter

26

final stage

27

Connection for operating voltage

28

position sensor

36

Engine IC

39

control line

40

Error Reporting

41

DC / DC converter

42

diode

43

rotor disc

101

adapter unit

102

Ceiling bracket

103

ceiling construction

104

fixing element

105

Under floor units

106

Drive fasteners

107

adapter plate

110

loading fixture

111

connection recess

112

cover plate

S100-S500

steps

Claims (12)

Method for compensating a force fluctuation acting on a door leaf (3) of a revolving door arrangement (1) as a function of a rotational position externally, the revolving door arrangement (1) comprising: a turnstile (2) supporting the door (3), - An evaluation unit (9) and - An electric drive (8) with a stator (10) and a rotor (17) the rotor (17) being mountable coaxially with a rotation axis (4) of the turnstile (2) and connectable to the turnstile (2) for direct, gearless drive, the method comprising the steps of: Rotating (S100) of the turnstile (2), - Determining (S200) of externally acting on the door leaf (3) force fluctuation and / or a rotational speed fluctuation and / or torque fluctuation depending on the rotational position and - Controlling (S500) of the stator (10) with a determined based on the determined in dependence on the rotational position force fluctuation and / or the rotational speed fluctuation electrical signal by means of which the force fluctuation and / or the rotational speed fluctuation and / or the torque fluctuation are compensated. The method of claim 1, wherein the electrical signal with respect to - a voltage and / or - a stream and / or - An amplitude and / or - a frequency and / or - a pulse-pause ratio
is predefined. The method of claim 1 or 2 further comprising - Using a in the electric drive (8) arranged position sensor (28) for determining the force fluctuation or the rotational speed fluctuation. Method according to one of the preceding claims further comprising the steps: - Carrying out a learning journey and - Storing data representing an adjusting during the Lernfahrt - Force fluctuation and / or - rotational speed fluctuation and / or - torque fluctuation
depending on the rotational position. The method of claim 4, wherein the data - A current consumption of the electric drive (8) and / or - Represent an electrical voltage at the terminals of the electric drive (8) over the rotational positions and / or - Represent rotational positions of the turnstile over time. Method according to one of the preceding claims further comprising Determining (S300) a plurality of values (33) for a control signal over the rotational positions (32) of the turnstile (2) and... Obtained by a control for compensating the force fluctuation and / or the rotational speed fluctuation and / or the torque fluctuation - Moving (S400) of the values (33) relative to the associated rotational positions for generating the electrical signal (34). Revolving door arrangement with a turnstile (2) carrying a door (3), - An evaluation unit (9) and - An electric drive (8) with a stator (10) and a rotor (17) wherein the rotor (17) can be arranged coaxially to an axis of rotation (4) of the turnstile (2) and can be connected to the turnstile (2) for direct, gearless drive, wherein the evaluation unit (9) is set up, to cause a rotation of the turnstile (2) by means of the drive (8) to determine a force fluctuation acting externally on the door leaf (3) and / or a rotational speed fluctuation and / or a torque fluctuation as a function of the rotational position, and - To control the stator (10) with a determined based on the determined in dependence on the rotational position force fluctuation and / or the rotational speed fluctuation and / or torque fluctuation electric signal, by means of which the force fluctuation and / or the rotational speed fluctuation and / or the torque fluctuation are compensated. Revolving door arrangement according to claim 7, which is arranged to carry out a method according to one of the preceding claims 1 to 6. Revolving door arrangement according to one of claims 7 or 8, wherein the stator (10) for fixed mounting, in particular for Ceiling assembly is set up, and with the rotor (17) coaxial with the axis of rotation (4) of the turnstile (2) arranged air gap forms. Revolving door arrangement according to one of claims 7 to 9 further comprising - A frequency converter (25) comprising the evaluation unit (9) - An output stage (26), wherein - the evaluation unit (9) is set up,
to realize a parameter of the electrical signal for compensation of the force fluctuation and / or the rotational speed fluctuation and / or the torque fluctuation by means of a pulse width modulation, and - The frequency converter (25) is set up, depending on the pulse width modulated signal - To control the output stage (26) with a multi-phase representation of the electrical signal (34). Revolving door assembly according to claim 10 further a connection (27) for an operating voltage and - A housing, which - the frequency converter (25), - the final stage (26) and - the evaluation unit (9) wherein, in particular, the connection (27) for the operating voltage is set up to supply the evaluation unit (9), the frequency converter (25) and the output stage (26) with electrical energy. Revolving door arrangement according to one of claims 7 to 11, wherein the evaluation unit (9) is arranged on the basis of a position sensor (28), in particular a Hall sensor in the electric drive (8), - a current speed and / or - a current position and / or - To determine a current speed of the turnstile (2).

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