EP1469589A1 - Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben - Google Patents

Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben Download PDF

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Publication number
EP1469589A1
EP1469589A1 EP03425233A EP03425233A EP1469589A1 EP 1469589 A1 EP1469589 A1 EP 1469589A1 EP 03425233 A EP03425233 A EP 03425233A EP 03425233 A EP03425233 A EP 03425233A EP 1469589 A1 EP1469589 A1 EP 1469589A1
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EP
European Patent Office
Prior art keywords
supply line
motors
relay
motor
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03425233A
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English (en)
French (fr)
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EP1469589B1 (de
Inventor
Pietro Zanusso
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mottura SpA
Original Assignee
Mottura SpA
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Filing date
Publication date
Application filed by Mottura SpA filed Critical Mottura SpA
Priority to DE2003607048 priority Critical patent/DE60307048T2/de
Priority to ES03425233T priority patent/ES2269960T3/es
Priority to EP20030425233 priority patent/EP1469589B1/de
Publication of EP1469589A1 publication Critical patent/EP1469589A1/de
Application granted granted Critical
Publication of EP1469589B1 publication Critical patent/EP1469589B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor

Definitions

  • the present invention relates to techniques for the connection of electric motors and has been developed with particular attention paid to their possible use for connecting electric motors used for actuating roller shutters, roller blinds, rolling gates and similar devices.
  • the said motor is essentially of the "three-wire" type and thus has three terminals, one common to both of the windings and the other two being associated, respectively, to each of the coils or windings, with the additional provision of a phase shifter aimed at causing the motor to turn in one direction or else in the other according to the connection configuration.
  • the aim is to enable the motors in question to be actuated in a combined and co-ordinated way, for example to cause all the blinds associated to a certain window pane to be raised or lowered simultaneously.
  • the purpose of the present invention is to provide just such a solution.
  • the said installation is characterized, as regards its more immediately appreciable aspect, in that, for actuation of the various motors, it is only necessary, in addition to the provision of the electrical supply network, to use a single wire functioning as a bus, by means of which it is possible to control - in the two directions and in a co-ordinated way - rotation of the various motors.
  • numeric references 10 designate various motors used for actuating blinds, roller blinds or roller shutters, not specifically illustrated in the attached drawings but of a known type.
  • these are typically asynchronous motors, which have, for their supply, a first terminal 100, which is common to both of the windings of the motor, and two additional terminals, designated, respectively, by 101 and 102, each associated with one of the aforesaid windings.
  • the motors in question are designed to be supplied through an a.c. electrical network comprising typically a first line 1, a second line 2, as well as a third line having the function of earth line.
  • the supply lines 1 and 2 are typically made up of:
  • the line 1 and the line 2 are chosen in the group consisting of the neutral and the phase of a single-phase supply line and two phases of a three-phase supply line.
  • the terms used above are to be considered as including the corresponding solutions of embodiment which envisage the supply of the electrical power in waveforms of a digital type, i.e., square waveforms.
  • This may occur, for example, in the framework of safety systems supplied by standby batteries designed to cause, in certain conditions (for example, in the presence of a strong wind, detected by an anemometer), the blinds to be brought, in any case, into the rolled-up or retracted position even in the absence of the mains supply voltage.
  • the line 4 comes under a selector switch 6 located in any position of the system, hence without any need for it to be located in the proximity of one of the motors 10 and with the possibility of changing said location selectively.
  • the selector switch 6 can be selectively brought into connection either with the line 1 or with the line 2.
  • FIG. 1 shows that, in the framework of each device 5, it is possible to distinguish:
  • the switching network 7 furnishes, in regard to the motor 10 associated to the corresponding device 5, the first connection configuration, of which mention was made previously, ensuring rotation of the motor in a first direction.
  • the switching network 7 when the switching network 7 is in the second operating state, it ensures the second condition of connection of the associated motor 10, causing the motor 10 to turn in the direction opposite to the former one.
  • connection to the line 1 and “connected to the line 2" are meant to include the possibility of said connection being obtained either in a direct way or via a protection device, such as a resistor or the like.
  • the switching network 7 is basically a network designed to transfer to the motors the supply voltage drawn between the lines 1 and 2 in a way that is different according to the condition of connection established between the terminals 51, 52 and 54, for example so as to cause - without prejudice to the connection to the line 1 of the common terminal 100 of all of the motors 10 - the line 2 to be selectively connectable to the terminal 101 or else to the terminal 102, so as to determine rotation of the motors in one direction or else in the opposite direction.
  • the selector switch 6 is usually provided with symbols which indicate, respectively, the raising and the lowering of blinds, roller shutters, roller blinds or the like, controlled by the motors 10, thus enabling the correspondence between symbols present on the selector switch 6 and directions of movement obtained with the actuation of the motors 10 to be achieved.
  • the switching network 7 is suited for being made in different ways.
  • Figure 3 illustrates, proceeding from left to right, the possible evolution of the switching network 7 from a basic solution (the one represented further to the left) to the solution of the currently preferred embodiment (the one represented further to the right - also with further reference to Figure 4).
  • the working diagram, or basic diagram, represented further to the left envisages that the terminals 51, 52 and 54 are associated with the excitation windings of the two relays A and B, the power contacts of which are designated, respectively, by aI and bI.
  • the two excitation windings of the two relays A and B are in any case connected in series together between the lines 1 and 2. They are consequently both excited and attract the power contacts al and bI so as to keep them open: the motor 10 is consequently not supplied and is stationary.
  • the selector switch 6 If, during actuation, the selector switch 6 is shifted into the position that connects the bus line 4 to the line 2, the excitation winding of the first relay A is short-circuited; its contact aI closes, and the motor receives current in the coil coming under the terminal 101, so turning in one direction.
  • the selector switch 6 is shifted into the position that connects the bus line 4 to the line 1, it is the excitation winding of the second relay B that is short-circuited; its contact bI closes, and the motor receives current in the coil coming under the terminal 102, so turning in a direction opposite to the former one.
  • the power contacts al and bI of the relays A and B are connected by means of a switch contact 104, as illustrated in the central part and in the right-hand part of Figure 3.
  • the line 104 connects the two power contacts aI and bI in series together in such a way that, in order to have voltage reaching the motor 10, it will be necessary to have the condition of one relay attracted and one relay dropped out. If the contacts are both dropped out (and likewise when the contacts are both attracted), the motor 10 does not receive any voltage.
  • This mode of operation consequently entails the use of relays with excitation coils that are able to operate both at 110 Vac and at 220 Vac without any heating. These relays are usually rather costly.
  • these relays require a d.c. voltage typically comprised in the 20-V to 24-V range.
  • the relays A and B are consequently built according to the diagram of Figure 4, which (except for the different configuration of connection at input and at output) applies both to the relay A and to the relay B.
  • the reference 105 designates a relay of an automotive type, as described previously. Upstream of the relay there is present an RC cell 106, the capacitor of which, with its impedance, reduces the current available and hence the voltage (starting condition, motor stationary) from 110 Vac to approximately 21/22 Vac.
  • the cell 106 moreover comprises a resistor in series for absorbing, when required, the discharge current of the capacitor.
  • a Zener diode 108 set between the diode bridge 107 and the relay 105 has the job of clipping the d.c. voltage applied to the relay 105 to the maximum value of 24 V.
  • the voltage on the capacitor passes from 110 V to 220 V, and the d.c. output of the bridge 107 passes to approximately 40 V.
  • the Zener diode 108 clips the voltage from 40 Vdc to 24 Vdc.
  • the relay 105 is subjected to two voltage conditions: 21/22 V (resting conditions - motor deactivated) and 24/25 V (for the period in which the motor 10 is activated). Both of the voltages indicated fall within the normal range of operation of this type of relay.
  • the said selector switch 9 must not be actuated simultaneously with the general selector switch 6. In order to prevent any damage to the motor 10 that could derive from this event it is sufficient to have the relays A and B with two switch contacts that break the common contact of the individual selector switch 9 when they are active.
  • the main actuating push-button designated by 6, associated with the bus 4, can be located in any position, with the further possibility of changing selectively said location without this entailing a reconfiguration of the system as a whole.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Control Of Multiple Motors (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Motor And Converter Starters (AREA)
EP20030425233 2003-04-14 2003-04-14 Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben Expired - Lifetime EP1469589B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2003607048 DE60307048T2 (de) 2003-04-14 2003-04-14 Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben
ES03425233T ES2269960T3 (es) 2003-04-14 2003-04-14 Dispositivo para controlar varios motores electricos simultaneamente, por ejemplo para accionar cortinas, persianas y similares.
EP20030425233 EP1469589B1 (de) 2003-04-14 2003-04-14 Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20030425233 EP1469589B1 (de) 2003-04-14 2003-04-14 Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben

Publications (2)

Publication Number Publication Date
EP1469589A1 true EP1469589A1 (de) 2004-10-20
EP1469589B1 EP1469589B1 (de) 2006-07-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030425233 Expired - Lifetime EP1469589B1 (de) 2003-04-14 2003-04-14 Vorrichtung um mehrere elektrische Motoren gleichzeitig zu steuern, zum Beispiel um Gardinen, Fensterladen oder ähnliche anzutreiben

Country Status (3)

Country Link
EP (1) EP1469589B1 (de)
DE (1) DE60307048T2 (de)
ES (1) ES2269960T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102710185A (zh) * 2012-06-13 2012-10-03 鞍钢股份有限公司 一种时序缺相控制三台三相异步电动机装置及其方法
CN102723903A (zh) * 2012-06-13 2012-10-10 鞍钢股份有限公司 一种时序单相控制三台三相异步电动机装置及其方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4338339A1 (de) * 1993-11-10 1995-05-11 Gottlieb Klenk Steuervorrichtung für wenigstens zwei Elektromotoren, insbesondere von Rollantrieben

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4338339A1 (de) * 1993-11-10 1995-05-11 Gottlieb Klenk Steuervorrichtung für wenigstens zwei Elektromotoren, insbesondere von Rollantrieben

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102710185A (zh) * 2012-06-13 2012-10-03 鞍钢股份有限公司 一种时序缺相控制三台三相异步电动机装置及其方法
CN102723903A (zh) * 2012-06-13 2012-10-10 鞍钢股份有限公司 一种时序单相控制三台三相异步电动机装置及其方法
CN102710185B (zh) * 2012-06-13 2014-09-03 鞍钢股份有限公司 一种时序缺相控制三台三相异步电动机装置及其方法
CN102723903B (zh) * 2012-06-13 2014-09-03 鞍钢股份有限公司 一种时序单相控制三台三相异步电动机装置及其方法

Also Published As

Publication number Publication date
DE60307048D1 (de) 2006-09-07
DE60307048T2 (de) 2007-02-01
ES2269960T3 (es) 2007-04-01
EP1469589B1 (de) 2006-07-26

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