EP3243739A1 - Electric boat drive - Google Patents

Electric boat drive Download PDF

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Publication number
EP3243739A1
EP3243739A1 EP16001099.7A EP16001099A EP3243739A1 EP 3243739 A1 EP3243739 A1 EP 3243739A1 EP 16001099 A EP16001099 A EP 16001099A EP 3243739 A1 EP3243739 A1 EP 3243739A1
Authority
EP
European Patent Office
Prior art keywords
control device
propeller
boat drive
operating position
drive according
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
EP16001099.7A
Other languages
German (de)
French (fr)
Other versions
EP3243739B1 (en
Inventor
Lothar Bergmann
Frank Despineux
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.)
Torqeedo GmbH
Original Assignee
Torqeedo 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 Torqeedo GmbH filed Critical Torqeedo GmbH
Priority to DK16001099.7T priority Critical patent/DK3243739T3/en
Priority to EP16001099.7A priority patent/EP3243739B1/en
Priority to US15/594,180 priority patent/US10124870B2/en
Priority to AU2017203162A priority patent/AU2017203162B2/en
Priority to JP2017096257A priority patent/JP6514734B2/en
Priority to CN201710338247.8A priority patent/CN107416166B/en
Publication of EP3243739A1 publication Critical patent/EP3243739A1/en
Application granted granted Critical
Publication of EP3243739B1 publication Critical patent/EP3243739B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/12—Means enabling steering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/21—Control means for engine or transmission, specially adapted for use on marine vessels
    • B63H21/213—Levers or the like for controlling the engine or the transmission, e.g. single hand control levers

Definitions

  • the invention relates to a boat drive with an electric motor, which drives a propeller, and with a control device for driving the electric motor, wherein the control device can be brought to a zero position in which the propeller is not driven, and wherein the control device brought into at least one operating position can be, in which the propeller is turned.
  • the selector switch for forward and reverse can be omitted.
  • the direction of rotation of the propeller can be specified via the current direction.
  • an idle and a centrifugal clutch are not necessary because the electric motor is also stationary when the propeller is stopped. However, this also means that in case of an accidental gas, the propeller begins to turn without further securing.
  • Electric motors deliver high torque even at low speeds.
  • electric outboard motors with high performance therefore, there is the danger that the boat is suddenly set uncontrollably in motion in an unintentional turning on the throttle.
  • Object of the present invention is therefore to improve an electric boat drive so that an unintentional gas is prevented.
  • the boat drive according to the invention has an electric motor which drives a propeller.
  • a control device is provided, which can be brought into a zero position and in at least one operating position. In the zero position of the control device, the propeller is not driven, that is, the propeller does not turn.
  • the control device is in the operating position, the propeller is rotated by the electric motor.
  • an unlocking device is provided which ensures that the propeller only starts to rotate when the unlocking device is actuated and at the same time the control device is in the operating position.
  • two independent actions are therefore carried out: First, the control device from the zero position to bring into the operating position, on the other hand, the unlocking device is operated. If only one of these two actions is executed, the propeller will not be rotated. An accidental departure of the boat is thus prevented.
  • This can for example be achieved in that the control device can be brought into the operating position only if previously the unlocking device has been operated, or in that the control device remains ineffective if the unlocking device has not been operated in direct connection with the control device.
  • the control device next to the zero position has a first operating position and a second operating position.
  • the propeller In the first operating position, the propeller is rotated in a first direction and in the second operating position, the propeller is rotated in the opposite direction (hereinafter also referred to as the second direction).
  • the propeller By selecting the operating position of the control device, the propeller is rotated in one or the other direction, which can be selected between forward drive and reverse drive.
  • zero position, first operating position, second operating position and optionally further positions are generally intended to denote different operating modes of the control device. These operating modes or positions can be adjusted by mechanically adjusting the control device or a part of the control device, for example by moving a control lever or rotating a rotary handle. But it is also possible to bring the control device otherwise in the desired operating mode. In general, a signal is transmitted to the control device which has an effect on the operating mode. In addition to the described mechanical interaction with the control device, this can also be done, for example, electrically, electronically, by radio transmission, by means of Bluetooth or by other wireless transmission means. In the following, the terms operating position and operating mode are used synonymously.
  • the boat drive comprises a tiller and the control device is provided on the tiller.
  • control device and the unlocking device may be provided but need not be spaced apart.
  • the control device it is possible to mount the control device so that it can be operated by hand while the unlocking device is operated by a foot control, or the control device is operated by the foot and the unlocking device by hand.
  • the unlocking device preferably together with the control device, provided on the tiller. It has been shown that the operation of the control device and unlocking device with the same hand does not entail any loss of security, but for the skipper User friendliness significantly increased and therefore considered a preferred embodiment.
  • control device For the sake of user-friendliness, it has also proven to perform the control device as a hand throttle or rotary handle.
  • the rotary handle is brought from the zero position by turning into the operating position, wherein the propeller is rotated in a first direction by rotating the rotary handle in a first direction.
  • the propeller is rotated in a first direction by rotating the rotary handle in a first direction.
  • control device locks in the zero position. This represents another security feature, since the control device must be actively brought from the zero position to the operating position and can not accidentally slip into the operating position. If in this case the control device is designed as a rotary handle, then this is preferably designed so that the rotatable part of the rotary handle in the zero position engages positively, non-positively or cohesively in the stationary part of the rotary handle.
  • the control device is to be brought from the zero position into the operating position and, at the same time, the unlocking device is to be actuated in order to set the propeller in motion.
  • this securing against unintentional starting can be carried out in such a way that the control device can only be moved out of the neutral position if the unlocking device is or was operated simultaneously or previously.
  • the control device can only be moved out of the rest position of the zero position when a mechanical unlocking device is actuated, for example by pressing a mechanical unlocking button or moving a release slide.
  • the unlocking device may, as described above by way of example, be mechanical. But it can also be provided an electronic release. Thus, the unlocking can be done for example by pressing an electrical switch or a touch sensor.
  • control device is indeed bring without actuation of the unlocking device from the zero position in the operating position, but the propeller is only set in rotational movement, although the unlocking device is actuated. Otherwise, the adjustment of the control device in the operating position remains without effect.
  • Essential to the invention is that the operator does not unintentionally gas and rotate the propeller.
  • two independent actions are necessary, namely the operation of the control device and unlocking device.
  • the control device and / or the unlocking device are therefore designed so that the control device, after it has been brought into the operating position, mechanically holds the unlocking device in the unlocked position.
  • the unlocking device only has to be actuated until the control device has been brought into the operating position.
  • a timing member is provided which requires the simultaneous actuation of the control device and unlocking device for a certain period of time to cause the propeller to rotate and also to maintain the rotational movement. After the expiry of the period of time further actuation of the unlocking device is no longer necessary. It is only necessary to hold the control device in the appropriate operating position to continue to rotate the propeller.
  • the zero position of the control device is run through when changing the propeller rotation. For the subsequent start of the other direction of rotation is then again the simultaneous operation of unlocking and control device necessary.
  • the invention is particularly suitable for a boat drive, which is designed as an electric outboard motor.
  • the above-mentioned problem that the propeller begins to turn unintentionally, especially in high-performance drives is a security risk.
  • the invention is particularly advantageous if it has a power of more than 4 kW, more than 6 kW or more than 8 kW ,

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Mechanical Control Devices (AREA)
  • Soil Working Implements (AREA)

Abstract

Die Erfindung betrifft einen Bootsantrieb mit einem Elektromotor, welcher einen Propeller antreibt, und mit einer Steuervorrichtung zur Ansteuerung des Elektromotors, wobei die Steuervorrichtung in eine Nullstellung gebracht werden kann, in der der Propeller nicht angetrieben wird, und wobei die Steuervorrichtung in mindestens eine Betriebsstellung gebracht werden kann, in der der Propeller gedreht wird. Die Erfindung ist dadurch gekennzeichnet, dass eine Entriegelungsvorrichtung vorgesehen ist, und dass sich der Propeller nur dann zu drehen beginnt, wenn die Entriegelungsvorrichtung betätigt wird und gleichzeitig die Steuervorrichtung in die Betriebsstellung gebracht wird.The invention relates to a boat drive with an electric motor, which drives a propeller, and with a control device for driving the electric motor, wherein the control device can be brought to a zero position in which the propeller is not driven, and wherein the control device brought into at least one operating position can be, in which the propeller is turned. The invention is characterized in that an unlocking device is provided, and that the propeller begins to rotate only when the unlocking device is actuated and at the same time the control device is brought into the operating position.

Description

Die Erfindung betrifft einen Bootsantrieb mit einem Elektromotor, welcher einen Propeller antreibt, und mit einer Steuervorrichtung zur Ansteuerung des Elektromotors, wobei die Steuervorrichtung in eine Nullstellung gebracht werden kann, in der der Propeller nicht angetrieben wird, und wobei die Steuervorrichtung in mindestens eine Betriebsstellung gebracht werden kann, in der der Propeller gedreht wird.The invention relates to a boat drive with an electric motor, which drives a propeller, and with a control device for driving the electric motor, wherein the control device can be brought to a zero position in which the propeller is not driven, and wherein the control device brought into at least one operating position can be, in which the propeller is turned.

Außenbordmotoren für Boote werden häufig mittels einer an dem Außenbordmotor befestigten Pinne gesteuert. Meist wird durch Drehen des Drehgriffes der Pinne die Drehzahl verändert. Bei Verbrennungsmotoren ist im Leerlauf die Kraftübertragung vom Motor zum Propeller, in der Regel durch eine Fliehkraftkupplung, unterbrochen. Das ist notwendig, damit der Propeller nicht mit dem Starten des Motors unmittelbar losdreht und das Boot antreibt. Erst wenn sich durch Drehen des Gasgriffes die Motordrehzahl erhöht, wird der Kraftfluss vom Motor auf den Propeller geschlossen und das Boot durch die Propellerdrehung angetrieben.Boat outboard motors are often controlled by a tiller attached to the outboard motor. In most cases, the speed is changed by turning the tiller handle. In internal combustion engines, the power transmission from the engine to the propeller, usually by a centrifugal clutch, is interrupted during idling. This is necessary so that the propeller does not spin off immediately when the engine is started and drives the boat. Only when the engine speed is increased by turning the throttle, the power flow from the engine to the propeller is closed and the boat is propelled by the propeller rotation.

Da Verbrennungsmotoren nur in eine Richtung drehen können, muss die Drehrichtung des Propellers über ein Wendegetriebe gewechselt werden. Mit einem Schalthebel kann zwischen den beiden Drehrichtungen des Propellers hin und her geschaltet werden. So kann der Propeller in der einen Schalthebelstellung vorwärts und in der anderen Schalthebelstellung rückwärts drehen, ohne dass der Verbrennungsmotor deswegen die Drehrichtung ändern müsste. Für den Wechsel der Propellerdrehrichtung muss nur das Gas zurückgenommen, und dann im Leerlauf des Motors der Schalthebel des Wendegetriebes umgelegt werden.Since internal combustion engines can only rotate in one direction, the direction of rotation of the propeller must be changed via a reversing gear. With a shift lever can be switched between the two directions of rotation of the propeller back and forth. This allows the propeller to rotate forwards in one shift lever position and reverse in the other shift lever position, without the need for the combustion engine to change the direction of rotation. To change the propeller's direction of rotation, all you have to do is retract the gas, and then, when the engine is idling, shift the gear lever of the shuttle.

Bei einem Außenborder mit Elektromotor kann der Wahlschalter für Vorwärts- und Rückwärtsgang entfallen. Die Drehrichtung des Propellers kann über die Stromrichtung vorgegeben werden. Auch ein Leerlauf und eine Fliehkraftkupplung sind nicht notwendig, da der Elektromotor bei Stillstand des Propellers ebenfalls still steht. Dies bedeutet aber auch, dass bei einem versehentlichen Gas geben der Propeller ohne weitere Sicherung zu drehen beginnt.In an outboard with electric motor, the selector switch for forward and reverse can be omitted. The direction of rotation of the propeller can be specified via the current direction. Also, an idle and a centrifugal clutch are not necessary because the electric motor is also stationary when the propeller is stopped. However, this also means that in case of an accidental gas, the propeller begins to turn without further securing.

Elektromotoren liefern bereits bei niedrigen Drehzahlen ein hohes Drehmoment. Insbesondere bei Elektro-Außenbordmotoren mit hoher Leistung besteht daher die Gefahr, dass das Boot bei einem unbeabsichtigten Drehen am Gasgriff plötzlich unkontrolliert in Bewegung versetzt wird.Electric motors deliver high torque even at low speeds. In particular, in electric outboard motors with high performance, therefore, there is the danger that the boat is suddenly set uncontrollably in motion in an unintentional turning on the throttle.

Aufgabe vorliegender Erfindung ist es daher, einen elektrischen Bootsantrieb so zu verbessern, dass ein unbeabsichtigtes Gasgeben verhindert wird.Object of the present invention is therefore to improve an electric boat drive so that an unintentional gas is prevented.

Diese Aufgabe wird durch einen Bootsantrieb gemäß Anspruch 1 gelöst.This object is achieved by a boat drive according to claim 1.

Der erfindungsgemäße Bootsantrieb weist einen Elektromotor auf, welcher einen Propeller antreibt. ZurAnsteuerung des Elektromotors ist eine Steuervorrichtung vorgesehen, welche in eine Nullstellung und in mindestens eine Betriebsstellung gebracht werden kann. In der Nullstellung der Steuervorrichtung wird der Propeller nicht angetrieben, das heißt, der Propeller dreht sich nicht. Befindet sich die Steuervorrichtung dagegen in der Betriebsstellung, so wird der Propeller durch den Elektromotor gedreht. Erfindungsgemäß ist eine Entriegelungsvorrichtung vorgesehen, welche sicher stellt, dass sich der Propeller nur dann zu drehen beginnt, wenn die Entriegelungsvorrichtung betätigt ist und sich gleichzeitig die Steuervorrichtung in die Betriebsstellung befindet.The boat drive according to the invention has an electric motor which drives a propeller. To control the electric motor, a control device is provided, which can be brought into a zero position and in at least one operating position. In the zero position of the control device, the propeller is not driven, that is, the propeller does not turn. On the other hand, when the control device is in the operating position, the propeller is rotated by the electric motor. According to the invention, an unlocking device is provided which ensures that the propeller only starts to rotate when the unlocking device is actuated and at the same time the control device is in the operating position.

Erfindungsgemäß sind daher zwei voneinander unabhängige Aktionen auszuführen: Zum einen ist die Steuervorrichtung aus der Nullstellung in die Betriebsstellung zu bringen, zum anderen ist die Entriegelungsvorrichtung zu betätigen. Wird nur eine dieser beiden Aktionen ausgeführt, wird der Propeller nicht in Drehung versetzt. Ein versehentliches Losfahren des Bootes wird so verhindert. Dies kann beispielsweise dadurch erreicht werden, dass die Steuervorrichtung nur dann in die Betriebsstellung gebracht werden kann, wenn zuvor die Entriegelungsvorrichtung betätigt wurde, oder dadurch, dass die Steuervorrichtung unwirksam bleibt, wenn die Entriegelungsvorrichtung nicht in unmittelbarem Zusammenhang mit der Steuervorrichtung betätigt wurde.According to the invention, two independent actions are therefore carried out: First, the control device from the zero position to bring into the operating position, on the other hand, the unlocking device is operated. If only one of these two actions is executed, the propeller will not be rotated. An accidental departure of the boat is thus prevented. This can for example be achieved in that the control device can be brought into the operating position only if previously the unlocking device has been operated, or in that the control device remains ineffective if the unlocking device has not been operated in direct connection with the control device.

In einer bevorzugten Ausführungsform der Erfindung besitzt die Steuervorrichtung neben der Nullstellung eine erste Betriebsstellung und eine zweite Betriebsstellung. In der ersten Betriebsstellung wird der Propeller in eine erste Richtung gedreht und in der zweiten Betriebsstellung wird der Propeller in die entgegengesetzte Richtung gedreht (im Folgenden auch als zweite Richtung bezeichnet). Durch Wahl der Betriebsstellung der Steuervorrichtung wird der Propeller in die eine oder die andere Richtung gedreht, wodurch zwischen Vorwärtsfahrt und Rückwärtsfahrt gewählt werden kann.In a preferred embodiment of the invention, the control device next to the zero position has a first operating position and a second operating position. In the first operating position, the propeller is rotated in a first direction and in the second operating position, the propeller is rotated in the opposite direction (hereinafter also referred to as the second direction). By selecting the operating position of the control device, the propeller is rotated in one or the other direction, which can be selected between forward drive and reverse drive.

Die Begriffe Nullstellung, erste Betriebsstellung, zweite Betriebsstellung und gegebenenfalls noch weitere Stellungen sollen allgemein verschiedene Betriebsmodi der Steuervorrichtung bezeichnen. Diese Betriebsmodi oder Stellungen können durch mechanisches Verstellen der Steuervorrichtung oder eines Teils der Steuervorrichtung, beispielsweise durch Bewegen eines Steuerhebels oder Drehen eines Drehgriffs, eingestellt werden. Es ist aber auch möglich, die Steuervorrichtung anderweitig in den gewünschten Betriebsmodus zu bringen. Ganz allgemein wird an die Steuervorrichtung ein Signal übermittelt, welches Auswirkungen auf den Betriebsmodus hat. Außer der beschriebenen mechanischen Interaktion mit der Steuervorrichtung kann dies beispielsweise auch elektrisch, elektronisch, durch Funkübertragung, mittels Bluetooth oder durch sonstige drahtlose Übertragungsmittel geschehen. Im Folgenden werden die Begriffe Betriebsstellung und Betriebsmodus gleichbedeutend verwendet.The terms zero position, first operating position, second operating position and optionally further positions are generally intended to denote different operating modes of the control device. These operating modes or positions can be adjusted by mechanically adjusting the control device or a part of the control device, for example by moving a control lever or rotating a rotary handle. But it is also possible to bring the control device otherwise in the desired operating mode. In general, a signal is transmitted to the control device which has an effect on the operating mode. In addition to the described mechanical interaction with the control device, this can also be done, for example, electrically, electronically, by radio transmission, by means of Bluetooth or by other wireless transmission means. In the following, the terms operating position and operating mode are used synonymously.

In einer Ausführungsform umfasst der Bootsantrieb eine Pinne und die Steuervorrichtung ist an der Pinne vorgesehen.In one embodiment, the boat drive comprises a tiller and the control device is provided on the tiller.

Zum Umschalten aus der Nullstellung in die Betriebsstellung ist es erfindungsgemäß notwendig, zwei voneinander unabhängige Handlungen vorzunehmen und zwar ist die Steuervorrichtung in die Betriebsstellung zu bringen und außerdem ist die Entriegelungsvorrichtung zu betätigen. Es hat sich gezeigt, dass auf diese Weise ein unbeabsichtigtes Losfahren des Bootes unterbunden werden kann. Die Steuervorrichtung und die Entriegelungsvorrichtung können, aber müssen nicht voneinander beabstandet vorgesehen werden. Es ist beispielsweise möglich, die Steuervorrichtung so anzubringen, dass diese mit der Hand bedient werden kann, während die Entriegelungsvorrichtung über eine Fußsteuerung betätigt wird, oder die Steuervorrichtung wird mit dem Fuß und die Entriegelungsvorrichtung mit der Hand bedient. In einer anderen Ausführungsform ist die Entriegelungsvorrichtung, bevorzugt zusammen mit der Steuervorrichtung, an der Pinne vorgesehen. Es hat sich gezeigt, dass die Bedienung von Steuervorrichtung und Entriegelungsvorrichtung mit derselben Hand keine Sicherheitseinbußen mit sich bringt, aber für den Bootsführer die Bedienerfreundlichkeit deutlich erhöht und daher als eine bevorzugte Ausführungsform angesehen wird.To switch from the zero position to the operating position, it is inventively necessary to perform two independent actions and that is to bring the control device in the operating position and also the unlocking device is to be operated. It has been shown that in this way an unintentional departure of the boat can be prevented. The control device and the unlocking device may be provided but need not be spaced apart. For example, it is possible to mount the control device so that it can be operated by hand while the unlocking device is operated by a foot control, or the control device is operated by the foot and the unlocking device by hand. In another embodiment, the unlocking device, preferably together with the control device, provided on the tiller. It has been shown that the operation of the control device and unlocking device with the same hand does not entail any loss of security, but for the skipper User friendliness significantly increased and therefore considered a preferred embodiment.

Aus Gründen der Bedienerfreundlichkeit hat es sich außerdem bewährt, die Steuervorrichtung als Handgashebel oder Drehgriff auszuführen.For the sake of user-friendliness, it has also proven to perform the control device as a hand throttle or rotary handle.

Hierbei wird in einer weiteren Ausführungsform der Drehgriff ausgehend von der Nullstellung durch Drehen in die Betriebsstellung gebracht, wobei durch Drehen des Drehgriffs in eine erste Richtung der Propeller in eine erste Richtung gedreht wird. Beispielsweise kann durch Drehen des Drehgriffs im Uhrzeigersinn eine Vorwärtsfahrt des Bootes eingeleitet werden.Here, in another embodiment, the rotary handle is brought from the zero position by turning into the operating position, wherein the propeller is rotated in a first direction by rotating the rotary handle in a first direction. For example, can be initiated by turning the knob clockwise forward movement of the boat.

Es ist von Vorteil den Drehgriff weiterhin so auszuführen, dass durch Drehen des Drehgriffs in die entgegengesetzte, zweite Richtung der Propeller in die entgegengesetzte, zweite Richtung gedreht wird. In obigem Beispiel würde dann durch eine Drehung entgegen dem Uhrzeigersinn das Boot in Rückwärtsfahrt versetzt werden.It is advantageous to continue to make the rotary handle so that by rotating the rotary handle in the opposite, second direction of the propeller is rotated in the opposite, second direction. In the above example, then by rotating counterclockwise the boat would be reversed.

In einer anderen bevorzugten Ausführungsform rastet die Steuervorrichtung in der Nullstellung ein. Dies stellt ein weiteres Sicherheitsmerkmal dar, da die Steuervorrichtung aktiv aus der Nullstellung in die Betriebsstellung gebracht werden muss und nicht versehentlich in die Betriebsstellung rutschen kann. Wenn in diesem Fall die Steuervorrichtung als Drehgriff ausgeführt ist, so ist diese vorzugsweise so gestaltet, dass der drehbare Teil des Drehgriffs in der Nullstellung formschlüssig, kraftschlüssig oder stoffschlüssig in den fest stehenden Teil des Drehgriffs einrastet.In another preferred embodiment, the control device locks in the zero position. This represents another security feature, since the control device must be actively brought from the zero position to the operating position and can not accidentally slip into the operating position. If in this case the control device is designed as a rotary handle, then this is preferably designed so that the rotatable part of the rotary handle in the zero position engages positively, non-positively or cohesively in the stationary part of the rotary handle.

Erfindungsgemäß ist die Steuervorrichtung aus der Nullstellung in die Betriebsstellung zu bringen und gleichzeitig ist die Entriegelungsvorrichtung zu betätigen, um den Propeller in Bewegung zu versetzen. Diese Sicherung vor unbeabsichtigtem Losfahren kann in einer vorteilhaften Ausführungsform so ausgeführt sein, dass sich die Steuervorrichtung nur dann aus der Nullstellung heraus bewegen lässt, wenn gleichzeitig oder zuvor auch die Entriegelungsvorrichtung betätigt wird bzw. wurde. Beispielsweise kann die Steuervorrichtung nur dann aus der Rastung der Nullstellung bewegt werden, wenn eine mechanische Entriegelungsvorrichtung betätigt wird, zum Beispiel durch Drücken eines mechanischen Entriegelungsknopfes oder Verschieben eines Entriegelungsschiebers. Die Entriegelungsvorrichtung kann, wie oben beispielhaft beschrieben, mechanisch ausgeführt sein. Es kann aber auch eine elektronische Entriegelung vorgesehen sein. So kann die Entriegelung beispielsweise durch Betätigung eines elektrischen Schalters oder eines Berührungssensors erfolgen.According to the invention, the control device is to be brought from the zero position into the operating position and, at the same time, the unlocking device is to be actuated in order to set the propeller in motion. In an advantageous embodiment, this securing against unintentional starting can be carried out in such a way that the control device can only be moved out of the neutral position if the unlocking device is or was operated simultaneously or previously. For example, the control device can only be moved out of the rest position of the zero position when a mechanical unlocking device is actuated, for example by pressing a mechanical unlocking button or moving a release slide. The unlocking device may, as described above by way of example, be mechanical. But it can also be provided an electronic release. Thus, the unlocking can be done for example by pressing an electrical switch or a touch sensor.

In einer anderen Ausführungsform ist die Steuervorrichtung zwar auch ohne Betätigung der Entriegelungsvorrichtung aus der Nullstellung in die Betriebsstellung zu bringen, aber der Propeller wird nur dann in Drehbewegung versetzt, wenn auch die Entriegelungsvorrichtung betätigt wird. Anderenfalls bleibt das Verstellen der Steuervorrichtung in die Betriebsstellung ohne Wirkung.In another embodiment, the control device is indeed bring without actuation of the unlocking device from the zero position in the operating position, but the propeller is only set in rotational movement, although the unlocking device is actuated. Otherwise, the adjustment of the control device in the operating position remains without effect.

Erfindungswesentlich ist, dass der Bootsführer nicht unbeabsichtigt Gas gibt und den Propeller dreht. Hierzu sind, wie beschrieben, zwei unabhängige Aktionen notwendig, nämlich die Betätigung von Steuervorrichtung und Entriegelungsvorrichtung. Nachdem der Propeller gewollt in Bewegung versetzt worden ist, ist es aus Sicherheitsgründen nicht mehr zwingend erforderlich, weiterhin Steuervorrichtung und Entriegelungsvorrichtung gemeinsam zu bedienen. In einer Ausführungsform sind die Steuervorrichtung und/oder die Entriegelungsvorrichtung daher so gestaltet, dass die Steuervorrichtung, nachdem sie in die Betriebsstellung gebracht worden ist, die Entriegelungsvorrichtung mechanisch in der entriegelten Position hält.Essential to the invention is that the operator does not unintentionally gas and rotate the propeller. For this purpose, as described, two independent actions are necessary, namely the operation of the control device and unlocking device. After the propeller has intentionally been set in motion, it is no longer absolutely necessary for safety reasons to continue to operate the control device and unlocking device together. In one embodiment, the control device and / or the unlocking device are therefore designed so that the control device, after it has been brought into the operating position, mechanically holds the unlocking device in the unlocked position.

In einer anderen Ausführungsform muss die Entriegelungsvorrichtung nur so lange betätigt werden, bis die Steuervorrichtung in die Betriebsstellung gebracht qeworden ist. In wiederum einer anderen Variante ist ein Zeitglied vorgesehen, welches die gleichzeitige Betätigung von Steuervorrichtung und Entriegelungsvorrichtung für eine bestimmte Zeitspanne erforderlich macht, um den Propeller zum Drehen zu bringen und die Drehbewegung auch aufrechtzuerhalten. Nach Ablauf der Zeitspanne ist eine weitere Betätigung der Entriegelungsvorrichtung nicht mehr notwendig. Es ist nurmehr nötig, die Steuervorrichtung in der entsprechenden Betriebsstellung zu halten, um den Propeller weiter zu drehen.In another embodiment, the unlocking device only has to be actuated until the control device has been brought into the operating position. In yet another variant, a timing member is provided which requires the simultaneous actuation of the control device and unlocking device for a certain period of time to cause the propeller to rotate and also to maintain the rotational movement. After the expiry of the period of time further actuation of the unlocking device is no longer necessary. It is only necessary to hold the control device in the appropriate operating position to continue to rotate the propeller.

In einer weiteren Ausführungsform wird beim Wechsel der Propellerdrehrichtung die Nullstellung der Steuervorrichtung durchlaufen. Zum anschließenden Starten der jeweils anderen Drehrichtung ist dann wieder die gleichzeitige Betätigung von Entriegelungsvorrichtung und Steuervorrichtung notwendig.In a further embodiment, the zero position of the control device is run through when changing the propeller rotation. For the subsequent start of the other direction of rotation is then again the simultaneous operation of unlocking and control device necessary.

Die Erfindung ist insbesondere für einen Bootsantrieb geeignet, welcher als elektrischer Außenbordmotor ausgeführt ist.The invention is particularly suitable for a boat drive, which is designed as an electric outboard motor.

Die eingangs genannte Problematik, dass der Propeller unbeabsichtigt zu drehen beginnt, stellt vor allem bei Hochleistungsantrieben ein Sicherheitsrisiko dar. Die Erfindung ist dann von besonderem Vorteil, wenn der eine Leistung von mehr als 4 kW, mehr als 6 kW oder mehr als 8 kW besitzt.The above-mentioned problem that the propeller begins to turn unintentionally, especially in high-performance drives is a security risk. The invention is particularly advantageous if it has a power of more than 4 kW, more than 6 kW or more than 8 kW ,

Claims (12)

Bootsantrieb mit einem Elektromotor, welcher einen Propeller antreibt, und mit einer Steuervorrichtung zur Ansteuerung des Elektromotors, wobei die Steuervorrichtung in eine Nullstellung gebracht werden kann, in der der Propeller nicht angetrieben wird, und wobei die Steuervorrichtung in mindestens eine Betriebsstellung gebracht werden kann, in der der Propeller gedreht wird. dadurch gekennzeichnet, dass eine Entriegelungsvorrichtung vorgesehen ist, und dass sich der Propeller nur dann zu drehen beginnt, wenn die Entriegelungsvorrichtung betätigt ist und sich gleichzeitig die Steuervorrichtung in die Betriebsstellung befindet.Boat drive with an electric motor which drives a propeller, and with a control device for driving the electric motor, wherein the control device can be brought to a zero position in which the propeller is not driven, and wherein the control device can be brought into at least one operating position, in the propeller is turned. characterized in that an unlocking device is provided, and that the propeller begins to rotate only when the unlocking device is actuated and at the same time the control device is in the operating position. Bootsantrieb nach Anspruch 1, dadurch gekennzeichnet, dass die Steuervorrichtung eine erste Betriebsstellung aufweist, in der der Propeller in eine erste Richtung gedreht wird, und dass die Steuervorrichtung eine zweite Betriebsstellung aufweist, in der der Propeller in eine entgegengesetzte, zweite Richtung gedreht wird.Boat drive according to claim 1, characterized in that the control device has a first operating position, in which the propeller is rotated in a first direction, and that the control device has a second operating position, in which the propeller is rotated in an opposite, second direction. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuervorrichtung an einer Pinne vorgesehen ist.Boat drive according to one of the preceding claims, characterized in that the control device is provided on a tiller. Bootsantrieb nach Anspruch 3, dadurch gekennzeichnet, dass die Entriegelungsvorrichtung an der Pinne vorgesehen ist.Boat drive according to claim 3, characterized in that the unlocking device is provided on the tiller. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuervorrichtung als Handgashebel oder Drehgriff ausgeführt ist.Boat drive according to one of the preceding claims, characterized in that the control device is designed as a hand throttle or rotary handle. Bootsantrieb nach Anspruch 5, dadurch gekennzeichnet, dass der Drehgriff ausgehend von der Nullstellung durch Drehen in die Betriebsstellung gebracht werden kann, wobei durch Drehen des Drehgriffs in eine erste Richtung der Propeller in eine erste Richtung gedreht wird.Boat drive according to claim 5, characterized in that the rotary handle can be brought from the zero position by turning into the operating position, wherein by rotating the rotary handle in a first direction of the propeller is rotated in a first direction. Bootsantrieb nach Anspruch 6, dadurch gekennzeichnet, dass durch Drehen des Drehgriffs in die entgegengesetzte, zweite Richtung der Propeller in die entgegengesetzte, zweite Richtung gedreht wird.Boat drive according to claim 6, characterized in that by rotating the rotary handle in the opposite, second direction of the propeller in the opposite, second direction is rotated. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuervorrichtung in der Nullstellung einrastet.Boat drive according to one of the preceding claims, characterized in that the control device engages in the neutral position. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich die Steuervorrichtung nur dann aus der Nullstellung in die Betriebsstellung bringen lässt, wenn gleichzeitig die Entriegelungsvorrichtung betätigt wird.Boat drive according to one of the preceding claims, characterized in that the control device can only be brought from the zero position into the operating position, when the unlocking device is actuated at the same time. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuervorrichtung, nachdem sie in die Betriebsstellung gebracht worden ist, die Entriegelungsvorrichtung in der entriegelten Position hält.Boat drive according to one of the preceding claims, characterized in that the control device, after it has been brought into the operating position, holds the unlocking device in the unlocked position. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Bootsantrieb als Außenbordmotor ausgeführt ist.Boat drive according to one of the preceding claims, characterized in that the boat drive is designed as an outboard motor. Bootsantrieb nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Bootsantrieb eine Leistung von mehr als 4 kW, mehr als 6 kW oder mehr als 8 kW besitzt.Boat drive according to one of the preceding claims, characterized in that the boat drive has a power of more than 4 kW, more than 6 kW or more than 8 kW.
EP16001099.7A 2016-05-13 2016-05-13 Electric boat drive Active EP3243739B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK16001099.7T DK3243739T3 (en) 2016-05-13 2016-05-13 ELECTRIC BOAT DRIVE
EP16001099.7A EP3243739B1 (en) 2016-05-13 2016-05-13 Electric boat drive
US15/594,180 US10124870B2 (en) 2016-05-13 2017-05-12 Electric boat drive
AU2017203162A AU2017203162B2 (en) 2016-05-13 2017-05-12 Electric boat drive
JP2017096257A JP6514734B2 (en) 2016-05-13 2017-05-15 Electric boat drive
CN201710338247.8A CN107416166B (en) 2016-05-13 2017-05-15 Electric boat driver

Applications Claiming Priority (1)

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EP16001099.7A EP3243739B1 (en) 2016-05-13 2016-05-13 Electric boat drive

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EP3243739B1 EP3243739B1 (en) 2020-05-13

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EP4249371A1 (en) * 2022-03-23 2023-09-27 Volvo Penta Corporation Control handle for a marine electric drive system
EP4249370A1 (en) * 2022-03-23 2023-09-27 Volvo Penta Corporation Marine tiller for a rudder

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US20170327197A1 (en) 2017-11-16
CN107416166B (en) 2020-01-14
EP3243739B1 (en) 2020-05-13
CN107416166A (en) 2017-12-01
DK3243739T3 (en) 2020-08-10
AU2017203162B2 (en) 2018-09-06
JP2017202824A (en) 2017-11-16
US10124870B2 (en) 2018-11-13
AU2017203162A1 (en) 2017-11-30

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