HUT72213A - Process for operating a revolving door - Google Patents

Abstract

The present invention relates to a method for operating a revolving door whose rotary wings are driven by a control motor or a control drive motor in accordance with a downstream program through a microprocessor control controller unit of a drive unit, wherein the rotary door according to the invention is operated by at least one person by rotary beams (10, 11 , 12, 13) are moved to at least one of the rotational direction of the rotary blades (10, 11, 12, 13) by means of manual force exerted on at least one of the rotational directions of the rotary blades (10, 11, 12, 13); keeping the rotational speeds (10, 11, 12, 13) at a rotation rate proportional to the rotation speed d) adjusting the drive motor (14) to provide the required drive force with rotational speed with the drive motor (14), the total force being: from the manual force and the power provided by the drive unit (T3) together. Figure 1

Description

BACKGROUND OF THE INVENTION The present invention relates to a method of operating a revolving door, the rotor blades of which are driven by a propulsion control or control motor via a microprocessor control unit of a drive unit. In such a process, the drive motor provides only a fraction of the total force required to rotate the rotors. Thus, the drive motor exerts an auxiliary force, this mode of operation being implemented through a microprocessor controller control unit coupled to the drive unit. Therefore, since the propulsion engine does not provide full propulsion power, an additional component of the required force must be provided by at least one person who wishes to pass through the revolving door. Through contact with at least one of the rotors, a force is applied to the rotary door, which is sensed and fed to the microprocessor controller control unit. On the basis of this determined force proportional to the speed of rotation, the microprocessor control unit is able to determine, according to a program, the value of the auxiliary power to be provided by the drive motor, which is always below the required total force. All commonly used safety electronic devices such as sensors, photocells, radar beacons, etc., are required for the safe operation of a revolving door driven in this way. may be dispensed with. The rotary backs of the revolving door, which are centrally embedded, are located within two drum walls, which are usually interrupted by two diagonally opposite entrances or exits.

DE 39 34 662 discloses a revolving door which is provided with a safety switching arrangement and an electronically stopping and arresting flywheel. A programmable control unit with a microprocessor controls the movement of the door and ensures that security sensors and equipment allow the door to run smoothly.

DE 42 07 705 discloses a revolving door which is controlled or controlled by a data processing unit where all functions, including the functions of the control and microprocessor, are monitored by self-checking. This revolving door can be characterized by almost fully automated control, especially with regard to optimizing operational safety for the user.

In addition to the revolving doors described above, there are those that are not equipped with a drive motor. The diameter of such manually operated revolving doors is usually limited, since the user must manually move and rotate the rotor blade by its own means. It is this movement in particular

-3 Older people and people with disabilities often cannot be achieved with great effort or at all. These manually operated revolving doors are not equipped with safety devices, as hazards caused by automatic drives are not to be considered. However, due to these features, the size of revolving doors is severely limited, so that they may not always be used in locations where there would otherwise be applications. However, if an automated revolving door is chosen, high-cost sensing devices are required depending on the installation situation. Such sensing devices include switchboards, switching floorboards, sensor strips, light curtains, infrared and radar beacons, and photocells. Such sensors per se enable the safe operation of such revolving doors. In view of the high security level of such revolving doors, the application of a wide variety of security systems may result in quasi interference with the actual operation of the door, which often requires the door to be manually activated by suitably trained personnel. In addition, the cost of an automated revolving door is significantly higher than that of a manually operated revolving door without sensors.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an operating method for controlling or controlling a power-driven revolving door, which allows the operation of such revolving doors to omit otherwise conventional security sensors or security devices for the safety of the user. However, this revolving door must be capable of operating easily by disabled persons or elderly people.

In order to solve this problem, a method for operating a revolving door according to the invention has been provided

(a) actuating the revolving door by manual force exerted by at least one person on at least one of the rotating blades,

b) continuously applying pressure to at least one of the rotor blades during rotary movement of the rotors,

c) keeping this force proportional to the speed of rotation of the rotors

d) controlling the propulsion engine so that the propulsion engine provides only auxiliary power to the required propulsion power for rotational speed, wherein the total force consists of the manual force and the force provided by the propulsion unit.

Thus, according to the invention, the microprocessor-based controller control unit · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

-4 through-driven revolving door Assistance provided through a drive unit practically connected to a drive motor! operating mode or servo mode. Because the propulsion engine provided only assistance, at least one person passing through the revolving door must exert additional force on one of the rotating wings. This force exerted in the direction of movement of the rotors also serves as an indicator of the passage of a person through the revolving door. The microprocessor-based control unit thereby senses the rotational speed of the rotors and ensures that the electromotive drive provides assistance with this rotational speed. This aid is understood to mean that the microprocessor control unit is assisted by the measured circumferential velocity or acceleration force of the rotor blades caused by the manual force (actuation force) exerted by the person! calculates a velocity less than the peripheral velocity of the rotors.

In this case, the full speed of the rotor blades is aided by the drive motor! speed and the difference with the manual force and thus the speed of the rotors. After a short start-up phase of the rotors, that is, especially after overcoming the frictional force, the user must exert considerably less force than at start-up or with a purely manually operated revolving door, since the propulsion motor provides much of the necessary assistance. Thus, it can be stated that the manual force is proportional to the speed. The speed of the rotors is high at high power and low at low power. This relationship makes it clear that the total speed of the rotor blades from the parameters of the manual speed or the force exerted on the rotor and the power provided by the electric motor! depends on speed. These conditions prevent the rotor from moving away from the user, as constant contact with the rotor must be maintained to avoid a decrease in rotation speed.

However, the auxiliary power provided by the drive motor requires control based on a run program which requires proper information on the speed of rotation of the blades and the motor current. For this reason, it is necessary to measure the speed of rotation, which can be realized, for example, by means of an incremental signal converter or a tachogenerator or other means. The measurement result is fed to the microprocessor control unit, which processes the result according to the existing run program. In doing so, the rotational speed of the rotors is used to evaluate the driving curve, where the measured motor current is an indicator of the motor control behavior.

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-5 It is advantageous to measure the current consumption of the drive motor and feed the measurement result into a calculation program of the microprocessor control unit.

Preferably, the rotary door actuation is triggered by a sensing arrangement or switch to be actuated, whereupon manual force is applied to at least one rotor by at least one person.

It is also desirable to determine the incremental rotation speed after the door leafs are triggered by a rising phase characteristic of an initial phase, following a sequence of programs processed in the drive unit, but always determined by a characteristic curve below the initial phase characteristic curve.

It is also desirable to increase the current draw of the drive motor when the manual forces have ceased and to activate a run-off phase when it exceeds a value specified by a deceleration program.

It is advantageous to define the run-off stage by mimicking the run-out of a purely manually operated revolving door.

It is further preferred that the run-off section be implemented by pulse width modulation.

It is expedient to detect a newly occurring manual force as it travels through the run-out phase and, accordingly, to determine auxiliary force to be exerted by the drive motor.

It is also desirable to measure the rotational speed of the rotors using an incremental transducer.

It is advantageous to measure the speed of rotation of the wings using a tachogenerator.

It is further advantageous to recognize a positive change in the force exerted on at least one of the rotors as an indicator of an increase in circumferential velocity and, accordingly, to apply a higher value of auxiliary force to the drive unit.

Preferably, the first manual activation of the revolving door includes a learning session in which the relevant characteristics of the revolving door are detected and stored in a storage container.

It is desirable to determine the auxiliary power based on the parameters of the revolving door and continuously monitor it via the microprocessor control unit.

It is also desirable that the manual force exerted during the driving phase is always less than the force required to reach the peripheral speed during the initial phase.

♦ * ·

-6 It is also advantageous to detect the rotation speed or velocity change of a rotor blade by a person and to use this rotation velocity or velocity change as an indicator for the microprocessor control unit of the drive unit, wherein the drive unit is provided at all times with full servo assistance.

It is further preferred that at least one of the rotors is rotated by one person, sensing kinetic energy in the rotating blades and feeding the measured value to the microprocessor control unit of the drive unit.

For example, the amount or magnitude of assistance provided by the drive motor can be expressed as a percentage of the actual end value of the instantaneous speed. This value of the auxiliary support can be adjusted so that it is possible to adjust or control the revolving door according to different application locations, as is required, for example, for doors of different size diameters.

The operation procedure of a revolving door of the type described above can be tested in three phases:

1) departure (ascending stage),

2) smooth movement, recognition of switch-off point,

3) speed reduction to zero.

To illustrate each step of the process of the invention, reference is made to a possible embodiment schematically illustrated in the figures.

In the drawing it is

Figure 1 is a plan view of a revolving door, a

Figure 2 is a speed-time diagram of the

Fig. 3 is a rising section (acceleration), a

Figure 4 shows smooth motion, recognition of the switch-off point,

5 is a force-time diagram of FIG

Figure 6 is an energy-time diagram and a

Figure 7 is a flow diagram.

Fig. 1 is a plan view of a revolving door shown schematically with rotatable blades 10, 11, 12, 13 interposed between two drum walls 2 and held in a central position. The rotors A10, 11, 12, 13 are connected to the drive motor 14 via a drive wheel 36. The rotors 10, 11, 12 or 13 can be moved by applying pressure to at least one of said rotors 10, 11, 12 or 13. Because the pressure or «··· * ·· · ··· ······································································································

- 7 forces are proportional to speed, in the following embodiment, for simplicity, only speed is referred to. The increasing circumferential velocity of the rotors 10, 11, 12, and 13 during a start-up phase 8 follows a quasi-rising curve section shown in Figure 3. The actual speed 15, which increases from zero to the end value caused by manual contact, increases as the person exerts more pressure on one of the rotors 10, 11, 12, 13. Starting rotation of the rotors 10,11,12,13, the velocity sensor 34 is measured. The speed sensor 34 may be, for example, an incremental transducer or tachogenerator. The actual speed is measured cyclically, where the cycle time can be set. Simultaneously, the speed control device 31 informs the control unit 32 on the basis of the door operation 30 that the rotors 10, 11, 12, 13 are no longer stationary. The speed sensor 34 thus communicates any speed change to the speed monitoring device 31 and thus to the control unit 32. This serves as an indicator that the microprocessor control unit 32 must activate the drive motor 14 via the drive unit 33, since the actual speed and thus the power need not be exerted by the user personally. In this case, the motor assist 16 is implemented through a pulse width modulation which, in steps to be determined, follows a step curve of the manually provided actual speed 15. Here, however, there is always a difference in velocity of 6 Δν, so constant contact with the rotational speed must be maintained. As the speed of the rotor increases, the rate of motor assistance 16 increases to a maximum value.

The first manual activation of the revolving door described above, the door performs a learning process, in which all the required parameters of the door are sensed and entered into a content storage container. An example of such a parameter is the motor current of the drive motor 14. In this case, the current sensor 35 continuously transmits to the microprocessor control unit 32 the instantaneous current of the drive motor 14.

Unless an increase in the manually generated actual speed 15 is detected, the smooth motion phase for the microprocessor control unit 32 begins. In this range, too, the degree of motor assistance and hence the rate of acceleration remains below the actual speed of the rotors 10, 11, 12, 13.

Figure 4 clearly illustrates this smooth motion, since in this diagram, the motor current along with the velocity versus time is 4 · 4 · 4 ··············································· · ·

Its -8 time function is also shown. If the manual aid 17 provides smooth movement, then the motor current 20 will be smooth or constant. During smooth movement, speed is measured continuously through the speed sensor 34 and the motor current of the drive motor 14 via the current sensor 35. As the speeds of the rotors 10, 11, 12, 13 increase, an increasing curve is formed again, as shown in Figure 3. In this case, however, we provided restrictions that were fixed when determining the learned parameters of the revolving door. For example, with respect to the motor current, if it remains below a certain upper cut-off limit, the microprocessor control unit 32 merely monitors this state, since the remaining component of the required actual speed must be provided by the user. If, on the other hand, manual assistance is discontinued, that is to say, if manual assistance 18 is discontinued, a decrease in speed 19 will occur, which would also result in an increase in motor current 21. The increase in this motor current 21 is tolerated by the microprocessor control unit 32 until a predetermined intersection point 1 with the learned parameters is reached through the deceleration program. When this intersection is reached, the cut-off limit of the motor current 21 is reached and, after a cut-off recognition time to be determined, the engine is brought to a standstill through a descending cut-off period. These run-out sections 7 are adapted to the normal running characteristics of a manually operated door and, like the start phase 8, are preferably implemented by means of pulse width modulation. Recognizing that the door must run, we realize driving characteristics following a descending runoff step 7, since in the event of a direct shutdown of the drive motor 14, it would rotate the door during the runout, which would be recognized as being actuated via the speed sensor 34, this is not the case here. According to this method, the movement process is carried out in the same way as for a manually operated door. If the contact between the user and the door is lost, the door will stop after the full rotation energy has been reduced. The door can only be reactivated by the rotors 10, 11, 12 and 13 to be moved from the starting position 29, which event is recognized by the door actuator 30 and communicated to the microprocessor control unit 32 accordingly. Thus, it becomes clear that servo assistance can only be achieved through manual operation, i.e. by contact with one of the rotors 10, 11, 12, 13. During this, the control software continuously monitors servo assistance. This procedure arrow · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · everything · · · ·

-9 makes it clear that the movement of such a revolving door in servo mode corresponds to a manual operation, thus eliminating the need for security sensors to be applied to persons.

In the process described above, the velocity sensor 34 and the current sensor 35 respectively recognize the various compressive or tensile forces exerted on one of the rotors 10, 11, 12, 13, and the start-up phase 8 or the off-stage 7 respectively. In this process, the change in speed, and only the increase in speed, serves as an indicator for the microprocessor control unit 32 to perform a further increase in peripheral speed. And the current measurement is needed to accurately recognize the cut-off point.

In the diagram illustrating the change in velocity over time and shown in Fig. 2, the start phase 8 is shown in the front region. With a certain shift, these starting phases 8 are followed by the motor assist 37 to the point where the curve bends and represents a uniform (uniform) 3 speed. With respect to the total speed 9, it can be seen that the auxiliary velocity 4 is always below the total velocity 9, and thus the difference in velocity Δν represents the component of the velocity to be provided by the person passing through the revolving door. If the same velocity ceases at 5 points, i.e. the contact with one of the rotors 10, 11, 12 or 13 ceases, then the speed deceleration 19 occurs and the moment the microprocessor control unit 32 recognizes that the outflow stage is 7 , this section is followed according to the program since the motor current 20 increases due to the loss of contact with the rotors and thus the rotors 10, 11, 12 and 13 should be kept rotated by the drive motor 14 alone. However, since, according to the control program, the drive motor 14 must not provide full circumferential speed, the run-off phase of the run-out section 7 is implemented.

In addition to the speed as the control parameter, the force can also be measured, which corresponds to the diagram in Figure 5. This diagram shows the time function of the force to be applied, where, during the start-up phase 8, the force continuously increases with increasing time until one of the persons passing through the revolving door exerts a uniform force on the revolving plate 10, 11, 12, 13. The total force 22 in this case consists of the auxiliary force 24 provided by the drive motor 14 and the force 26 to be exerted by the user. Similarly to the above-described explanations for velocity, in this case, due to the proportionality of force to velocity, when 25 forces are exited, these ····

- a reduction in force would occur and thus the revolving door with its rotating blades 10, 11, 12 and 13 enters, according to the program control, 7 landing stages. In this application example, it is also possible to perform the force measurement using, for example, strain gauges stamped directly on the door leaf.

Based on the existing calculation program, the microprocessor control unit 32 is also capable of calculating the energy contents. This is illustrated in Figure 6, where the time function of energy is shown. Most of the kinetic energy available for the operation of the revolving door is provided by the motor energy 28, while the required manual energy 27 is significantly lower.

From the embodiments described above and the various measuring methods and procedures, it will be apparent that the revolving door operated by the operating method of the present invention can be operated safely without the use of any security sensors for the safety of the users. It is solely and exclusively for the user to determine the circumferential velocity of the rotors 10, 11, 12, 13, that is to say, if there is more than one person present in the cubicles between each rotor, that person determines the maximum rotation speed of the rotors 10, 11, 12, 13, which person exerts the greatest force on the rotor 10, 11, 12 or 13 in front of it. It may also be the case that another person who finds the circumferential speed too high, for example, has a retarding effect by holding back the rotor 10, 11, 12 or 13 in front of him. As a result, the circumferential velocity of the rotors 10, 11, 12, 13 is reduced overall. Due to the constant contact of the individual user with the rotary blades 10, 11, 12, 13, this mode of operation is similar to the operation of a manual revolving door, and therefore the otherwise necessary sensors for safety are omitted.

With regard to sensors on a revolving door, a distinction shall be made between sensors ensuring normal movement of the door and sensors for safety. Sensors that influence the driving behavior may be formed, for example, by a tachogenerator or an incremental signal transducer for measuring the circumferential velocity of the rotors 10, 11, 12, 13. Security sensors, on the other hand, must ensure the safety of persons passing through a motorized revolving door. Such sensors include photocells, infrared beacons, contact plates, sensor beams, radar beacons, etc. Such safety features significantly increase the cost of a revolving door. The operating procedure described above allows us to disregard the use of these safety features and yet

Providing a safe passage through revolving doors 11, while providing the operator with a door operated by the method of the invention is a cost-effective alternative.

Not only can the door be actuated from a stationary position by pressing on the rotary flaps 10, 11, 12, 13, but it can also be triggered by a key, switch, or sensor. Thereafter, it is necessary to establish a pressure contact with one of the rotors 10, 11, 12, 13 in order to determine the force and thus the rotational speed of the rotors 10, 11, 12, 13 in order to provide support by the drive.

Claims (19)

PATENT CLAIMS CLAIMS 1. A method of operating a revolving door, the rotor of which is driven by a traction motor controlling or controlling a behavior of a drive unit via a microprocessor control unit, characterized in that: a) actuating the revolving door by manual force applied to at least one of the rotary beams (10, 11, 12, 13) by at least one person, b) continuously applying pressure to at least one of the rotor blades (10, 11, 12, 13) during the rotary movement of the rotors (10, 11, 12, 13), c) keeping this force proportional to the speed of rotation of the rotors (10, 11, 12, 13) d) regulating the drive motor (14) so that the drive motor (14) provides only auxiliary power to the required driving force providing the rotational speed, wherein the total force consists of the manual force and the force provided by the drive unit (33). Method according to claim 1, characterized in that the speed of rotation of the rotors (10, 11, 12, 13) is measured and the result is sent to the microprocessor controller-control unit (32) for processing. Method according to claim 1, characterized in that the current consumption of the drive motor (14) is measured and the measurement result is fed into a calculation program of the microprocessor control unit (32). A method according to claim 1, characterized in that the rotary door actuation is triggered by a sensing arrangement or switch to be actuated, whereupon a manual force is applied to the at least one rotor (10, 11, 12, 13) by at least one person. . 5. A method according to claims 1 to 5, characterized in that after the door flaps (10, 11, 12, 13) are started, the increasing rotation speed is in accordance with a rising characteristic characteristic of a start phase (8), following a program processed in the drive unit (33). phase (8). 6. A method according to claims 1 to 5, characterized in that when the manual forces cease, the current consumption of the drive motor (14) is increased and, when it exceeds a value specified by a deceleration program, an acceleration phase (7) is activated. 7. The method of claim 6, wherein said runoff term is a flip-flop. * »Cassette (7) is determined by mimicking the outflow of a purely manually operated revolving door. Method according to claims 6 and 7, characterized in that the run-off section (7) is implemented by pulse width modulation. Method according to claims 1, 2, 3, 6, 7 and 8, characterized in that a new manual force is sensed during travel along the run-out section (7) and, accordingly, the drive motor ( 14) determines the force to be exerted. Method according to claim 2, characterized in that the rotational speed of the rotors (10, 11, 12, 13) is measured by means of an incremental transducer. The method according to claim 2, characterized in that the rotational speed of the rotors (10, 11, 12, 13) is measured by means of a tachogenerator. Method according to claims 1 and 5, characterized in that a positive change in the force acting on at least one of the rotors (10,11,12,13) is recognized as an indicator of increased peripheral speed and is provided by the drive unit (33). accordingly, a greater helping force is exerted. 13. A method according to any one of the preceding claims, characterized in that the first manual activation of the revolving door comprises a learning process, in which the relevant characteristics of the revolving door are detected and stored in a storage container. 14. Method according to any one of claims 1 to 3, characterized in that the auxiliary force is determined on the basis of the parameters of the revolving door and continuously monitored by the microprocessor controller-control unit (32). 15. A method according to any one of claims 1 to 6, characterized in that the manual force exerted during the driving phase is always less than the force required to reach the peripheral speed during the starting phase (8). 16. A method according to any one of claims 1 to 6, characterized in that the rotation speed or velocity change of the rotating discs (10, 11, 12, 13) is detected by a person and that rotation velocity or velocity change is controlled by the microprocessor control unit (32) of the drive unit (33). ) as an indicator, wherein the drive unit (33) always provides servo assistance at full speed. 17. A method according to any one of claims 1 to 6, characterized in that at least one of the rotors (10, 11, 12, 13) is rotated by a person to obtain kinetic energy measured in the rotating rotors (10, 11, 12, 13). - detecting and passing the measured value to the microprocessor control unit (32) of the drive unit (33). The method of claim 17, wherein the kinetic energy is used as an indicator for controlling the drive motor (33), wherein With 5 spindle motors (33), servo support is always provided below the total kinetic energy value. 19. A method according to any one of the preceding claims, characterized in that the use of conventionally required security sensors for the safety of the user, arranged in the area of the revolving door, is neglected.