EP3457561A1 - Commutateur destiné à commuter une tension alternative monophasée - Google Patents

Commutateur destiné à commuter une tension alternative monophasée Download PDF

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Publication number
EP3457561A1
EP3457561A1 EP18193118.9A EP18193118A EP3457561A1 EP 3457561 A1 EP3457561 A1 EP 3457561A1 EP 18193118 A EP18193118 A EP 18193118A EP 3457561 A1 EP3457561 A1 EP 3457561A1
Authority
EP
European Patent Office
Prior art keywords
switch
frequency converter
motor
switching
phase
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.)
Pending
Application number
EP18193118.9A
Other languages
German (de)
English (en)
Inventor
Tobias Fluhr
Berthold Fluhr
Michael Beck
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.)
LOCK GMBH
Original Assignee
Lock Antriebstechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lock Antriebstechnik GmbH filed Critical Lock Antriebstechnik GmbH
Publication of EP3457561A1 publication Critical patent/EP3457561A1/fr
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
    • H01H19/38—Change-over switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
    • H01H21/58—Change-over switches without stable intermediate position

Definitions

  • Known frequency inverters include an input side to which a single-phase AC voltage is connectable, an output side to which a three-phase AC voltage is detachable, and a control interface.
  • the control interface for example, the output side of the frequency converter can be switched or regulated.
  • Object of the present invention is to provide an optimized frequency converter, in particular to provide an improved frequency converter, which is comparatively easy control and / or adjustable available.
  • the invention is based on a switch for switching a single-phase AC voltage.
  • the single phase AC voltage is for example as a conventional single phase AC voltage, e.g. as a conventional 230V or 240V AC house current with the phases L (outer conductor) and the phase N (neutral) is formed.
  • the house current also includes, for example, a protective conductor ("protective earth” (PE)).
  • PE protective earth
  • the switch comprises an input interface, which in particular has exactly two input channels, the switch comprising an output interface, which in particular has exactly three output channels, and wherein the switch has a switching element with a switching contact, such that by switching the switching element, the switching contact closes an electrically conductive contact or an electrically conductive connection between a first input channel and a first output channel or between the first input channel and a second output channel.
  • the switching contact is for example designed to establish or disconnect an electrically conductive connection between an input channel and an output channel, e.g. to open or close the electrically conductive connection.
  • a second input channel and a third output channel of the switch are electrically conductively connected to each other.
  • the second input channel and the third output channel are in particular fixed, eg insoluble, connected to each other.
  • the second input channel and the third output channel are integrally formed, for example.
  • the phase N, the neutral of the single-phase AC voltage can be arranged on the second input channel.
  • the second input channel and the third output channel are advantageously designed as a neutral conductor or a neutral conductor.
  • the switch is intended to cooperate with a frequency converter.
  • the frequency converter is designed to generate a three-phase alternating voltage from a single-phase alternating voltage.
  • the Three-phase alternating voltage is present, for example, as a conventional three-phase current with the phases L1, L2, L3 and N.
  • the switch is provided, for example, as a frequency converter switch and / or as a gear motor switch. If the switch is present as a frequency converter switch and / or as a gear motor switch, it is advantageously designed to switch a drive direction of a motor by switching an input voltage of the frequency converter, in particular of the motor.
  • the input interface has a third input channel.
  • the third input channel is advantageously designed as a protective conductor (PE).
  • a fourth output channel is present, which e.g. is designed as a protective conductor (PE).
  • the third input channel and the fourth output channel are electrically conductively connected.
  • the third input channel and the fourth output channel are fixed, e.g. inseparable, interconnected.
  • the third input channel and the fourth output channel are integrally formed, for example.
  • the switch is designed, for example, as a push-button switch, a toggle switch, a rocker switch, a rotary switch and / or a key switch. Other forms of switch are conceivable.
  • the switching element of the switch is designed, for example, as a button, a tilting element, a rotating element and / or a lock.
  • the switch is for example part of a controller, a controller and / or a controller.
  • the control is e.g. as a climate control and / or a programmable logic controller (PLC) available.
  • PLC programmable logic controller
  • the switch in particular the switching element with the switching contact, is designed such that an electrically conductive connection or a electrically conductive contact of an input channel with an output channel of the switch is separable by a switching operation of the switching element, so that the first input channel of the input interface with the first and / or second output channel of the output interface is not electrically connected and / or the second input channel of the input interface with the third output channel of the output interface is electrically connected.
  • the switch is designed such that all electrically conductive connections between the input interface and the output interface are characterized in particular by a single, for example simultaneous, switching operation, e.g. several switching contacts, are separable.
  • the switching element comprises two or three switching contacts.
  • a first switching contact is designed to open or close an electrically conductive contact between the first input channel and the first output channel
  • a second switching contact is configured to open or close an electrically conductive contact between the first input channel and the second output channel
  • the switch is formed such that either an electrically conductive contact between the first input channel and the first output channel is closed or there is an electrically conductive contact between the first input channel and the second output channel closed.
  • the switch or the switching element is preferably designed to actuate the first and the second switching contact simultaneously.
  • a third switching contact is present in order to open or close an electrically conductive contact between the second input channel and the third output channel.
  • An advantageous embodiment of the invention is a frequency converter for a motor, in particular for a gear motor, wherein the frequency converter advantageously comprises a switch according to one of the aforementioned embodiments.
  • the frequency converter is preferably designed to generate a three-phase alternating voltage from an input single-phase AC voltage, wherein the frequency converter has two inputs for one phase of a single-phase AC voltage and three outputs for three different phases of a three-phase AC voltage, wherein the frequency converter is designed such that depending on an occupancy In particular, exactly two different phases of the three-phase alternating voltage are exchanged at the outputs of the two inputs with the phase of the single-phase alternating voltage, for example such that a direction of rotation of a motor which can be connected to the frequency converter is changed.
  • the frequency converter has in particular exactly three or in particular exactly four inputs, wherein, for example, a first and a second input are provided for connection of a phase L of the single-phase AC voltage and, for example, a third input for a neutral conductor N of the single-phase AC voltage is provided.
  • a fourth input of the frequency converter can be designed to connect a protective conductor PE or a ground.
  • the first and the second input are not simultaneously connected to the phase L from the outside, for example by a switch arranged at the inputs of the frequency converter.
  • An internal, electrically conductive connection of the first and the second input of the frequency converter by components of the frequency converter is conceivable.
  • the switch is for example directly on the frequency converter, in particular on a housing of the frequency converter available. It is also conceivable that the switch is available at a distance from the frequency converter.
  • the switch is arranged on a control cabinet.
  • the frequency converter is designed, for example, as a geared motor frequency converter, in particular as a three-phase AC geared motor frequency converter.
  • the frequency converter is advantageously designed such that no additional drive, e.g. in the form of a control voltage, necessary to phase, e.g. L1, L2 and / or L3, at the outputs of the frequency converter.
  • the frequency converter has no interface for additional control.
  • the frequency converter has no interface for additional control for switching, regulating and / or exchanging the phases present at the outputs of the frequency converter.
  • the frequency converter has an interface for controlling the frequency converter, e.g. to switch the frequency converter so that a power supply or phase (e.g., L1, L2, L3, and / or N) is interrupted at an output of the frequency converter.
  • a power supply or phase e.g., L1, L2, L3, and / or N
  • the controller is designed to collect and provide operating data of the frequency converter. Operating data of the frequency converter are e.g. Temperature or power.
  • a further advantageous modification of the invention is a motor, in particular geared motor, with a frequency converter according to one of the aforementioned embodiments, advantageously with a switch according to one of the preceding embodiments, wherein the motor is designed as a three-phase AC motor and depending on an assignment of the two inputs of the frequency converter, for example, the two inputs for the phase L, and / or a switching position of the switching element of the switch two phases of the three-phase alternating voltage on a current input side of the motor are exchanged and a direction of rotation of the motor is predetermined.
  • the frequency converter is present directly on the motor.
  • the motor includes the frequency converter.
  • the frequency converter is arranged on or on a motor housing.
  • the frequency converter is formed inside the motor housing.
  • the motor housing encloses, for example, the frequency converter.
  • the switch is e.g. arranged on the motor housing.
  • the switch is mounted on the motor housing. It is also conceivable that the switch is integrated in the motor housing.
  • the engine comprises a transmission.
  • the transmission is housed within the motor housing.
  • the gearbox of the engine, in particular the geared motor advantageously cooperates with a drive shaft.
  • the gear, in particular the geared motor acts in particular directly on the drive shaft.
  • the drive shaft is formed for example as a winding shaft.
  • the drive shaft is part of a rack and pinion gear, a winding drum, a reduction gear and / or an expansion gear.
  • a further advantageous embodiment of the invention is a drive system with a motor according to one of the preceding embodiments, a frequency converter according to one of the preceding embodiments and / or a switch according to one of the preceding embodiments.
  • the drive system is advantageously as a drive system of a ventilation device, as a drive system of a winding device, as a drive system a lifting device, designed as a drive system of a shirring device and / or as a drive system of a flap device.
  • the drive system is embodied, for example, as a ventilation drive system, as a winding device drive system, as a lift drive system, as a shirring drive system, and / or as a damper drive system.
  • the ventilation device is designed for example as a winding ventilation, a Rafflrangeung and / or a valve ventilation.
  • the ventilation device is designed for ventilation of a utility building.
  • a utility building is e.g. designed as a greenhouse, a greenhouse, a stable and / or a warehouse.
  • the ventilation device is designed as a building ventilation device, in particular as Nutz constitutsvorraum.
  • the ventilation device comprises, for example, a lifting device and / or a winding device and / or a flap device, in particular for moving a closure element of a building opening.
  • a ventilation device a winding device, a lifting device, a shirring device and / or a flap device with a drive system, a motor, a frequency converter and / or a switch is proposed.
  • FIG. 1 an inventive switch 1 is shown with a housing 2 in a sectional view through the housing.
  • the switch 1 comprises eg on a first housing side 3 an input interface 4 with a first and eg a second input channel 5, 6.
  • the switch 1 comprises eg on a second housing side 7 an output interface 8 with a first, a second and eg a third output channel 9 - 11.
  • the second input channel 6 and the third output channel 11 are integrally formed, e.g. connected continuously, so that the second input channel 6 and the third output channel 11 are electrically connected.
  • the second input channel 6 is for example intended to be connected to a neutral conductor N of a single-phase alternating voltage.
  • the first input channel 5 is provided, for example, to be connected to an outer conductor (phase L) of a single-phase AC voltage.
  • the first input channel 5 is formed in the housing interior 12, for example, such that the first input channel 5 by means of a first switching contact 13 with the first output channel 9 is electrically conductively contacted and by means of a second switching contact 14th
  • the two switching contacts 13, 14 with a switching element 31 of the switch 1 are provided such that by switching the switching element 31, the switching contacts 13, 14 are moved in such a way that either an electrically conductive connection of the first input channel 5 to the first output channel 9 is closed or an electrically conductive connection of the first input channel 5 with the second Output channel 10 is closed.
  • the two switching contacts 13, 14 are formed in such a way that the first output channel 9 and the second output channel 10 are not simultaneously electrically conductively connected to the first input channel 5 connectable. It is conceivable, however, that the two switching contacts 13, 14 are formed in such a way that by switching the switching element 31, the first output channel 9 and the second output channel 10 are present simultaneously separated from the first input channel 5.
  • FIG. 2 shows a drive system 15 include the switch 1, a frequency converter 16 and a motor 17th
  • the frequency converter 16 is intended, for example, to generate a 3-phase alternating voltage from a single-phase alternating voltage.
  • the frequency converter 16 comprises on an input side 18, for example, three inputs 19 - 21.
  • a first input 19 of the frequency converter 16 is, for example, electrically connected to the first output channel 9 of the switch 1.
  • a second input 20 of the frequency converter 16 is, for example, electrically connected to the second output channel 10 of the switch 1.
  • a third input channel 21 of the frequency converter 16 is advantageously electrically connected to the third output channel 11 of the switch 1.
  • the frequency converter 16 preferably comprises three on one output side 22, in particular four outputs 23 - 26.
  • In an operating state of the frequency converter 16 is at a first output 23, for example, a first phase L1 a 3-phase alternating voltage present, at a second output 24, a second phase L2 and at a third output 25, a third phase L3.
  • a neutral conductor N of the 3-phase alternating voltage is present adjacent to a fourth output 26 of the frequency converter 16.
  • the frequency converter 16 is designed such that, depending on whether the first input 19 or the second input 20, the phase L of the input side single-phase AC voltage is applied, phases of the 3-phase AC voltage at the outputs 23 - 25 are exchanged, so that a direction of rotation with the frequency converter connectable motor is changed.
  • the first input 19 is electrically connected to the phase L of the single-phase AC voltage, then the first phase L1 is applied to the first output 24, the second phase L2 to the second output 25 and the third phase L3 to the third output 26.
  • the second input 20 is electrically connected to the phase L of the single-phase AC voltage
  • the second phase L2 is present at the first output 24, the first phase L1 at the second output 25 and the third phase L3 of the three-phase current at the third output 26.
  • the frequency converter 16 has a switching and / or regulating device 32 which can be controlled, for example, via a control interface 33.
  • the switching and / or regulating device 32 may be designed, for example, to switch the frequency converter 16, in particular to switch it off or switch it off or to activate or deactivate it.
  • the switching and / or regulating device 32 is designed to determine and provide an operating state of the frequency converter 16 and / or to switch the frequency converter 16 as a function of an operating state of the frequency converter 16.
  • the control interface 33 of the Frequency converter 16 is designed for example as a wired interface. It is also conceivable that the control interface 33 is present as a wireless interface, for example as a WLAN, Bluetooth and / or NFC interface.
  • the motor 17 is advantageously designed as a three-phase AC motor.
  • one of the four power connections 27-30 of the motor 17 are advantageously electrically connected to one of the four outputs 23-26 of the frequency converter 16.
  • ventilation device 34 which includes, inter alia, a motor 17 with a frequency converter according to the invention.
  • a flap drive 35 and / or a lifting drive 36 can be formed (see also FIG. 4 ).
  • a flap device or a lifting device is for example in FIG. 4 shown.
  • FIG. 5 shows a winding device 37 and a shirring device 38th ⁇ U> REFERENCE LIST ⁇ / u> 1 counter 21 entrance 2 casing 22 output side 3 case side 23 exit 4 Input interface 24 exit 5 input channel 25 exit 6 input channel 26 exit 7 case side 27 power connection 8th Output interface 28 power connection 9 output channel 29 power connection 10 output channel 30 power connection 11 output channel 31 switching element 12 housing interior 32 Switching and / or 13 switching contact control device 14 switching contact 33 Control Interface 15 drive system 34 breather 16 frequency converter 35 damper actuator 17 engine 36 Lifting drive 36 18 input side 37 winder 19 entrance 38 shirring 20 entrance
EP18193118.9A 2017-09-18 2018-09-07 Commutateur destiné à commuter une tension alternative monophasée Pending EP3457561A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017121583.2A DE102017121583A1 (de) 2017-09-18 2017-09-18 Schalter zum Schalten einer Einphasenwechselspannung

Publications (1)

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EP3457561A1 true EP3457561A1 (fr) 2019-03-20

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EP18193118.9A Pending EP3457561A1 (fr) 2017-09-18 2018-09-07 Commutateur destiné à commuter une tension alternative monophasée

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EP (1) EP3457561A1 (fr)
DE (1) DE102017121583A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29901271U1 (de) * 1999-01-26 2000-08-17 Moeller Gmbh Elektrische Antriebseinheit
DE102009060364A1 (de) * 2009-12-24 2011-06-30 Volkswagen AG, 38440 Vorrichtung und Verfahren zur Energieeinspeisung und/oder -rückspeisung von elektrischer Energie
WO2016113507A1 (fr) * 2015-01-16 2016-07-21 Institut Polytechnique De Grenoble Systeme de raccordement d'un generateur decentralise monophase a un reseau triphase

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29901271U1 (de) * 1999-01-26 2000-08-17 Moeller Gmbh Elektrische Antriebseinheit
DE102009060364A1 (de) * 2009-12-24 2011-06-30 Volkswagen AG, 38440 Vorrichtung und Verfahren zur Energieeinspeisung und/oder -rückspeisung von elektrischer Energie
WO2016113507A1 (fr) * 2015-01-16 2016-07-21 Institut Polytechnique De Grenoble Systeme de raccordement d'un generateur decentralise monophase a un reseau triphase

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Owner name: LOCK GMBH