EP3243737A1 - Electric boat drive - Google Patents

Electric boat drive Download PDF

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Publication number
EP3243737A1
EP3243737A1 EP16001098.9A EP16001098A EP3243737A1 EP 3243737 A1 EP3243737 A1 EP 3243737A1 EP 16001098 A EP16001098 A EP 16001098A EP 3243737 A1 EP3243737 A1 EP 3243737A1
Authority
EP
European Patent Office
Prior art keywords
rotary handle
force
control device
deflection
operating position
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
EP16001098.9A
Other languages
German (de)
French (fr)
Other versions
EP3243737B1 (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 EP16001098.9A priority Critical patent/EP3243737B1/en
Priority to DK16001098.9T priority patent/DK3243737T3/en
Priority to US15/594,169 priority patent/US10266244B2/en
Priority to AU2017203163A priority patent/AU2017203163B2/en
Priority to CN201710338933.5A priority patent/CN107364563B/en
Publication of EP3243737A1 publication Critical patent/EP3243737A1/en
Application granted granted Critical
Publication of EP3243737B1 publication Critical patent/EP3243737B1/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
    • 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
    • B63H20/14—Transmission between propulsion power unit and propulsion element
    • 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
    • B63H20/007—Trolling propulsion units
    • 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
    • B63H20/14—Transmission between propulsion power unit and propulsion element
    • B63H20/20—Transmission between propulsion power unit and propulsion element with provision for reverse drive
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/02—Initiating means for steering, for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring
    • B63H2025/024—Handle-bars; Posts for supporting handle-bars, e.g. adjustable posts

Definitions

  • the invention relates to a control device for controlling an electric motor comprising a rotary handle and a support which rotatably supports the rotary handle, wherein the rotary handle can be brought by rotation in a first direction from a zero position to a first operating position, and wherein the rotary handle by rotation of the Zero position in a second, the first direction opposite direction can be brought into a second operating position.
  • the insertion of forward and reverse gear takes place by means of a selection switch for forward and reverse.
  • the control device is used only for speed adjustment and is therefore rotatable starting from the zero position only in one direction.
  • the control device is usually provided with a spring return, so that the gas automatically jumps back to idle gas when the operator lets go of the control device.
  • a simple return spring is usually installed in the control device, which brings the rotary handle back to the zero position.
  • the selector switch for forward and reverse can be omitted.
  • the direction of rotation of the propeller can be specified via the current direction.
  • the functions "direction of travel" and "speed” can be integrated into the control device.
  • the direction of rotation of the rotary handle of the control device determines the direction of travel and the angle of rotation determines the speed. For a reverse drive of the rotary handle of the control device is simply rotated in the opposite direction.
  • Object of the present invention is therefore to develop a control device with a rotary handle, which is rotatable starting from a zero position in both directions and has an automatic reset, which rotates the rotary handle after releasing back to the zero position.
  • the invention relates to a control device for controlling an electric motor.
  • the control device comprises a rotary handle and a support which rotatably supports the rotary handle.
  • the rotary handle can be rotated starting from a zero position in both directions, whereby the rotary handle can be brought by rotation in a first direction in a first operating position and by rotation in the opposite second direction in a second operating position.
  • the invention further comprises an automatic reset device.
  • a force element for this purpose, a force element, a force transmission element and a deflection are provided.
  • the force element acts via the force transmission element and the deflection on the rotary handle and exerts a force on the rotary handle.
  • the rotary handle is rotated back to the zero position, regardless of whether the rotary handle is in the first operating position or in the second operating position.
  • force element is intended to identify an element which applies a restoring force to return the rotary handle.
  • the force element can be designed as an electrical, magnetic, pneumatic, hydraulic or mechanical element. That is, the restoring force is applied by electrical, magnetic, pneumatic, hydraulic or mechanical means.
  • the force element is designed as a spring element which is elastically deformable. When a force acts on the spring element deforms and when the action of the force is removed, the spring element returns to its original shape.
  • the force element is elastically deformed by rotation of the rotary handle of the control device and thus changing the angle of rotation between the handle and the carrier.
  • the skipper releases the twist grip, the force acting on the force element is removed and the force element returns to its original shape.
  • the rotary handle is rotated back relative to the carrier in the zero position.
  • the force element is designed as a helical spring.
  • the force element consists of a cylindrical, conical or barrel-shaped wound spring wire.
  • the main loading direction is in the direction of the longitudinal axis of the coil spring.
  • the coil spring can be designed here as a tension spring or as a compression spring. Under load, that is a rotation of the rotary handle, the spring is either pulled apart or pressed together.
  • the invention is not limited to coil springs. It is also possible to use other force elements, such as spiral springs.
  • a metallic force or spring element is used.
  • spring elements made of another elastically deformable material such as rubber springs.
  • the force transmission element serves to transmit the restoring force exerted by the force element on the rotary handle and to turn it back to its zero position.
  • the power transmission element is designed as a pull rope or linkage.
  • a tensile force transmitting force transmission element or a compressive force transmitting force transmission element is used.
  • the combination of coil spring and pull rope has proven to be beneficial.
  • the turning handle according to the invention should automatically return to the zero position, irrespective of the direction in which it was turned, after it has been released.
  • a deflection is used according to the invention, which is the force transmission element deflects so that this acts independently of the direction of rotation of the rotary handle in the same direction on the force element.
  • a deflection for example, a roller, a sliding guide and / or a lever is used.
  • a pull rope or a pull wire and on the support a deflection are provided on the rotary handle.
  • the pull rope or the pull wire passes over the deflection and connects rotary handle and serving as a force element spring element which is fixed to a fixed point on the carrier.
  • the length of the pull rope or pull wire and spring element is minimal.
  • the spring element is stretched.
  • the deflection is arranged so that the spring element is stretched in the same direction, regardless of which direction the rotary handle is rotated. This means that the spring element deforms back after releasing the rotary handle in the same direction, bringing the rotary handle back to the zero position.
  • two or more of the elements from the group of force element, power transmission element and deflection are integrated in a single component.
  • a rubber cord can be used, which combines the functions of the force element and the force transmission element in itself.
  • the carrier is at least partially designed as a hollow body and the force element is located inside the carrier.
  • This arrangement has the advantage that the force element, deflection and power transmission element are protected from external influences. This is particularly advantageous when the invention is used on a boat, since there the environmental influences are particularly large. If the control device is used, for example, for controlling an outboard motor of a boat, the control device is exposed, for example, to spray water, which can lead to corrosion and, associated with this, to functional restrictions.
  • the force element is attached to the outside of the carrier. This has the advantage that the return mechanism of force element, Power transmission element and deflection is easily accessible and easy to maintain.
  • the invention is preferably used to control an electric motor that is part of an outboard drive for a boat.
  • a preferred field of application of the invention are electric outboard drives, wherein the electric motor drives a propeller.
  • the control device serves for speed control and for selecting the direction of travel.
  • the rotary handle can be rotated from the zero position in different directions. The first and the second operating position thus characterize a forward or a reverse drive.
  • FIG. 1 schematically a control device for controlling an electric outboard motor is shown.
  • the control device has a rotary handle 1 which is rotatably mounted on the tube 2 serving as a tiller.
  • the rotary handle 1 is in FIG. 1 shown in the zero position.
  • the power supplied to the electric outboard motor and the rotational speed of the propeller of the outboard motor is controlled by a system, not shown.
  • the power supplied to the electric outboard motor and the rotational speed of the propeller of the outboard motor Starting from the zero position of the rotary handle 1 causes a rotation of the rotary handle 1 in one direction, a rotation of the propeller in one direction and rotation of the rotary handle 1 in the other direction causes a propeller rotation in the other direction accordingly.
  • the boat which is driven by the outboard motor, by a rotation on the rotary handle 1 in a clockwise direction ( FIG. 1 ) in forward drive and by turning counterclockwise in reverse.
  • a return spring 3 is fixed with its one end to a hook 4 or another fixed point (relative to the tube 2).
  • a pull rope 5 is attached at the other end of the return spring 3.
  • a traction cable 5 for example, a natural or synthetic fiber rope, a wire rope or an analogous elongated element can be used, which is suitable for the transmission of tensile forces.
  • a first deflection roller 6 is further provided inside the tube 2.
  • the axis of rotation of the deflection roller 6 is arranged perpendicular to the symmetry axis 9 of the tube 2.
  • the first guide roller 6 is designed as a fixed roller, that is, its position relative to the tube 2 is fixed and does not change during use. Instead of a deflection roller and a non-rotatable deflection can be used. The principle of the invention thus remains unchanged, but the friction losses are slightly higher.
  • Two further deflection rollers 7, 8 are also fixedly mounted inside the tube 2.
  • the axes of rotation of the two deflection rollers 7, 8 are aligned in the direction of the symmetry axis 9.
  • the two pulleys 7, 8 are in a plane and almost touch each other, but so much space remains between the two pulleys 7, 8 that the pull rope 5 between the pulleys 7, 8 can be performed.
  • the two deflection rollers 7, 8 can be replaced by fixed deflection.
  • the traction cable 5 extends from the return spring 3 to the first guide roller 6.
  • the return spring 3 and the first guide roller 6 are arranged so that the pull rope between the return spring 3 and the first guide roller 6 extends in a substantially axial direction 9.
  • the hook or fixed point 4 and the first guide roller 6 can also be arranged otherwise to one another, so that the pull cable 5 between the return spring 3 and the first guide roller 6 is not parallel to the axis of symmetry 9, but at an angle thereto.
  • the traction cable 5 is deflected by the first deflection roller 6 to the second deflection rollers 7, 8.
  • the first guide roller 6 and the two guide rollers 7 and 8 are arranged to each other so that the pull cable 5 is deflected by 90 °.
  • the Pulling cable 5 is fastened at its other end to a fastening device 10 of the rotary handle 1.
  • the return spring 3 and the traction cable 5 are only slightly biased. If the rotary handle 1 is rotated from the zero position, the fastening device 10 moves away from the two deflection rollers 7 and 8, whereby a tensile force is transmitted to the return spring 3 via the traction cable 5. As a result, the return spring 3 is pulled apart, and further tensioned. If the skipper releases the rotary handle 1, the rotary handle 1 is rotated back to the zero position by the spring force of the return spring 3 via the pull cable 5.
  • the rotary handle 1 Regardless of the direction in which the rotary handle 1 is rotated, that is in the counterclockwise or counterclockwise direction, the rotary handle 1 is returned after being released by the return spring 3 in the neutral position.
  • the traction cable 5 extends over the deflection roller 7 or over the deflection roller 8.
  • FIGS. 3 and 4 a further embodiment of the invention is shown.
  • the same elements are provided in all figures with the same reference numerals.
  • the embodiment according to the FIGS. 3 and 4 corresponds substantially to the embodiment of the Figures 1 and 2 However, the mechanism for turning back the rotary handle 1 outside the tube 2 and not within the tube 2 is arranged.

Abstract

Die Erfindung betrifft eine Steuervorrichtung zur Steuerung eines Elektromotors umfassend einen Drehgriff (1) und einen Träger (2), welcher den Drehgriff (1) drehbar lagert, wobei der Drehgriff (1) durch Drehung in eine erste Richtung aus einer Nullstellung in eine erste Betriebsstellung gebracht werden kann, und wobei der Drehgriff (1) durch Drehung aus der Nullstellung in eine zweite, der ersten Richtung entgegengesetzte Richtung in eine zweite Betriebsstellung gebracht werden kann Erfindungsgemäß sind ein Kraftelement (3), ein Kraftübertragungselement (5) und eine Umlenkung (6, 7, 8) vorgesehen, wobei das Kraftelement (3) über das Kraftübertragungselement (5) und die Umlenkung (6, 7, 8) mit dem Drehgriff (1) in Wirkverbindung steht, so dass das Kraftelement (3) eine Kraft auf den Drehgriff (1) ausübt, welche den Drehgriff (1) sowohl aus der ersten Betriebsstellung als auch aus der zweiten Betriebsstellung in die Nullstellung zurück dreht. (Figur 2)The invention relates to a control device for controlling an electric motor comprising a rotary handle (1) and a carrier (2) which rotatably supports the rotary handle (1), wherein the rotary handle (1) by rotation in a first direction from a zero position to a first operating position can be brought, and wherein the rotary handle (1) can be brought by rotation from the zero position in a second direction opposite to the first direction in a second operating position According to the invention, a force element (3), a power transmission element (5) and a deflection (6 7, 8), wherein the force element (3) via the force transmission element (5) and the deflection (6, 7, 8) with the rotary handle (1) is in operative connection, so that the force element (3) has a force on the Turning handle (1) exerts, which rotates the rotary handle (1) both from the first operating position and from the second operating position back to the zero position. (Figure 2)

Description

Die Erfindung betrifft eine Steuervorrichtung zur Steuerung eines Elektromotors umfassend einen Drehgriff und einen Träger, welcher den Drehgriff drehbar lagert, wobei der Drehgriff durch Drehung in eine erste Richtung aus einer Nullstellung in eine erste Betriebsstellung gebracht werden kann, und wobei der Drehgriff durch Drehung aus der Nullstellung in eine zweite, der ersten Richtung entgegengesetzte Richtung in eine zweite Betriebsstellung gebracht werden kann.The invention relates to a control device for controlling an electric motor comprising a rotary handle and a support which rotatably supports the rotary handle, wherein the rotary handle can be brought by rotation in a first direction from a zero position to a first operating position, and wherein the rotary handle by rotation of the Zero position in a second, the first direction opposite direction can be brought into a second operating position.

Außenbordmotoren für Boote werden häufig mittels einer an dem Außenbordmotor befestigten Pinne gesteuert. Mittels einer an der Pinne angebrachten Steuervorrichtung, welche einen Drehgriff umfasst, kann Gas gegeben und der Propeller des Außenbordmotors in Drehung versetzt werden.Boat outboard motors are often controlled by a tiller attached to the outboard motor. By means of a mounted on the tiller control device, which comprises a rotary handle, can be given gas and the propeller of the outboard motor are rotated.

Bei Außenbordern mit Verbrennungsmotor erfolgt das Einlegen von Vorwärtsbeziehungsweise Rückwärtsgang mittels eines Wahlschalters für Vorwärts- und Rückwärtsgang. Der Steuervorrichtung dient nur zur Geschwindigkeitseinstellung und ist daher ausgehend von der Nullstellung nur in eine Richtung drehbar.For outboards with internal combustion engine, the insertion of forward and reverse gear takes place by means of a selection switch for forward and reverse. The control device is used only for speed adjustment and is therefore rotatable starting from the zero position only in one direction.

Die Steuervorrichtung ist meist mit einer Federrückstellung versehen, damit das Gas automatisch auf Standgas zurückspringt, wenn der Bootsführer die Steuervorrichtung los lässt. Hierzu ist in der Regel eine einfache Rückholfeder in die Steuervorrichtung eingebaut, welche den Drehgriff in die Nullstellung zurück holt.The control device is usually provided with a spring return, so that the gas automatically jumps back to idle gas when the operator lets go of the control device. For this purpose, a simple return spring is usually installed in the control device, which brings the rotary handle back to the zero position.

Bei einem Außenborder mit Elektromotor kann der Wahlschalter für Vorwärts- und Rückwärtsgang entfallen. Die Drehrichtung des Propellers kann über die Stromrichtung vorgegeben werden. Bei einem Elektroaußenbordmotor können daher die Funktionen "Fahrtrichtung" und "Geschwindigkeit" in die Steuervorrichtung integriert werden. Die Drehrichtung des Drehgriffs der Steuervorrichtung bestimmt die Fahrtrichtung und der Drehwinkel bestimmt die Geschwindigkeit. Für eine Rückwärtsfahrt wird der Drehgriff der Steuervorrichtung einfach in die entgegengesetzte Richtung gedreht.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. In an electric outboard motor, therefore, the functions "direction of travel" and "speed" can be integrated into the control device. The direction of rotation of the rotary handle of the control device determines the direction of travel and the angle of rotation determines the speed. For a reverse drive of the rotary handle of the control device is simply rotated in the opposite direction.

Auch bei einem Elektroantrieb soll der Drehgriff der Steuervorrichtung unabhängig davon, in welche Richtung er gedreht wurde, wieder in die Nullstellung zurückspringen, wenn der Bootsführer den Steuervorrichtung los lässt. Die bekannte Federrückstellung von Steuervorrichtungen, wie sie bei Verbrennungsantrieben eingesetzt wird, kann für diesen Zweck nicht eingesetzt werden, da sie nur in eine Richtung wirkt.Even with an electric drive, the rotary handle of the control device, regardless of the direction in which it was rotated, should jump back to the zero position when the skipper releases the control device. The known spring return of control devices, as used in internal combustion engines, can not be used for this purpose, since it acts only in one direction.

Aufgabe vorliegender Erfindung ist es daher, eine Steuervorrichtung mit einem Drehgriff zu entwickeln, welcher ausgehend von einer Nullstellung in beide Richtungen drehbar ist und über eine automatische Rückstellung verfügt, welche den Drehgriff nach dem Loslassen wieder in die Nullstellung zurückdreht.Object of the present invention is therefore to develop a control device with a rotary handle, which is rotatable starting from a zero position in both directions and has an automatic reset, which rotates the rotary handle after releasing back to the zero position.

Diese Aufgabe wird durch eine Steuervorrichtung mit den Merkmalen von Anspruch 1 gelöst.This object is achieved by a control device with the features of claim 1.

Die Erfindung betrifft eine Steuervorrichtung zur Steuerung eines Elektromotors. Die Steuervorrichtung umfasst einen Drehgriff und einen Träger, welcher den Drehgriff drehbar lagert. Die Drehgriff kann ausgehend von einer Nullstellung in beide Richtungen gedreht werden, wodurch der Drehgriff durch Drehung in eine erste Richtung in eine erste Betriebsstellung und durch Drehung in die entgegengesetzte zweite Richtung in eine zweite Betriebsstellung gebracht werden kann.The invention relates to a control device for controlling an electric motor. The control device comprises a rotary handle and a support which rotatably supports the rotary handle. The rotary handle can be rotated starting from a zero position in both directions, whereby the rotary handle can be brought by rotation in a first direction in a first operating position and by rotation in the opposite second direction in a second operating position.

Die Erfindung umfasst weiterhin eine automatische Rückstellvorrichtung. Hierzu sind ein Kraftelement, ein Kraftübertragungselement und eine Umlenkung vorgesehen. Das Kraftelement wirkt über das Kraftübertragungselement und die Umlenkung auf den Drehgriff ein und übt eine Kraft auf den Drehgriff aus. Hierdurch wird der Drehgriff in die Nullstellung zurückgedreht, unabhängig davon, ob sich der Drehgriff in der ersten Betriebsstellung oder in der zweiten Betriebsstellung befindet.The invention further comprises an automatic reset device. For this purpose, a force element, a force transmission element and a deflection are provided. The force element acts via the force transmission element and the deflection on the rotary handle and exerts a force on the rotary handle. As a result, the rotary handle is rotated back to the zero position, regardless of whether the rotary handle is in the first operating position or in the second operating position.

Der Begriff "Kraftelement" soll ein Element kennzeichnen, welches eine Rückstellkraft zur Rückstellung des Drehgriffs aufbringt. Das Kraftelement kann als elektrisches, magnetisches, pneumatisches, hydraulisches oder mechanisches Element ausgeführt sein.Das heißt, die Rückstellkraft wird durch elektrische, magnetische, pneumatische, hydraulische oder mechanische Mittel aufgebracht.The term "force element" is intended to identify an element which applies a restoring force to return the rotary handle. The force element can be designed as an electrical, magnetic, pneumatic, hydraulic or mechanical element. That is, the restoring force is applied by electrical, magnetic, pneumatic, hydraulic or mechanical means.

In einer bevorzugten Ausführungsform ist das Kraftelement als Federelement ausgeführt, welches elastisch verformbar ist. Bei Einwirken einer Kraft verformt sich das Federelement und bei Wegfall der einwirkenden Kraft kehrt das Federelement in seine Ursprungsform zurück.In a preferred embodiment, the force element is designed as a spring element which is elastically deformable. When a force acts on the spring element deforms and when the action of the force is removed, the spring element returns to its original shape.

Vorzugsweise wird das Kraftelement durch Drehung am Drehgriff der Steuervorrichtung und damit Veränderung des Drehwinkels zwischen Drehgriff und Träger elastisch verformt. Wenn der Bootsführer den Drehgriff los lässt, entfällt die auf das Kraftelement einwirkende Kraft und das Kraftelement kehrt in seine Ausgangsform zurück. Hierbei wird der Drehgriff relativ zum Träger in die Nullstellung zurückgedreht.Preferably, the force element is elastically deformed by rotation of the rotary handle of the control device and thus changing the angle of rotation between the handle and the carrier. When the skipper releases the twist grip, the force acting on the force element is removed and the force element returns to its original shape. Here, the rotary handle is rotated back relative to the carrier in the zero position.

In einer bevorzugten Ausführungsform ist das Kraftelement als Schraubenfeder ausgeführt. Das Kraftelement besteht aus einem zylinder-, kegel- oder tonnenförmig aufgewickelten Federdraht. Die Hauptbelastungsrichtung verläuft in Richtung der Längsachse der Schraubenfeder. Die Schraubenfeder kann hierbei als Zugfeder oder als Druckfeder ausgeführt sein. Bei Belastung, das heißt bei einer Drehung am Drehgriff, wird die Feder entweder auseinander gezogen oder zusammen gedrückt. Die Erfindung ist jedoch nicht auf Schraubenfedern beschränkt. Es können auch anderweitige Kraftelemente, wie zum Beispiel Spiralfedern, eingesetzt werden.In a preferred embodiment, the force element is designed as a helical spring. The force element consists of a cylindrical, conical or barrel-shaped wound spring wire. The main loading direction is in the direction of the longitudinal axis of the coil spring. The coil spring can be designed here as a tension spring or as a compression spring. Under load, that is a rotation of the rotary handle, the spring is either pulled apart or pressed together. However, the invention is not limited to coil springs. It is also possible to use other force elements, such as spiral springs.

Bevorzugt wird ein metallisches Kraft- oder Federelement verwendet. Es ist aber durchaus möglich, auch Federelemente aus einem anderen elastisch verformbaren Material, wie beispielsweise Gummifedern, einzusetzen.Preferably, a metallic force or spring element is used. But it is quite possible to use spring elements made of another elastically deformable material, such as rubber springs.

Das Kraftübertragungselement dient dazu, die von dem Kraftelement ausgeübte Rückstellkraft auf den Drehgriff zu übertragen und diesen in seine Nullstellung zurückzudrehen. In einer bevorzugten Ausführungsform ist das Kraftübertragungselement als Zugseil oder Gestänge ausgeführt. Je nach Art des Kraftelements kommt ein Zugkräfte übertragendes Kraftübertragungselement oder ein Druckkräfte übertragendes Kraftübertragungselement zum Einsatz. Die Kombination aus Schraubenfeder und Zugseil hat sich insoweit als günstig erwiesen.The force transmission element serves to transmit the restoring force exerted by the force element on the rotary handle and to turn it back to its zero position. In a preferred embodiment, the power transmission element is designed as a pull rope or linkage. Depending on the type of force element is a tensile force transmitting force transmission element or a compressive force transmitting force transmission element is used. The combination of coil spring and pull rope has proven to be beneficial.

Der erfindungsgemäße Drehgriff soll unabhängig davon, in welche Richtung er gedreht wurde, nach dem Loslassen automatisch in die Nullstellung zurückkehren. Hierzu wird erfindungsgemäß eine Umlenkung eingesetzt, welche das Kraftübertragungselement so umlenkt, dass dieses unabhängig von der Drehrichtung am Drehgriff in derselben Richtung auf das Kraftelement einwirkt. Als Umlenkung wird beispielsweise eine Rolle, eine Gleitführung und/oder ein Hebel eingesetzt.The turning handle according to the invention should automatically return to the zero position, irrespective of the direction in which it was turned, after it has been released. For this purpose, a deflection is used according to the invention, which is the force transmission element deflects so that this acts independently of the direction of rotation of the rotary handle in the same direction on the force element. As a deflection, for example, a roller, a sliding guide and / or a lever is used.

Dies soll anhand eines Beispiels erläutert werden. Beispielsweise sind an dem Drehgriff ein Zugseil oder ein Zugdraht und an dem Träger eine Umlenkung vorgesehen. Das Zugseil oder der Zugdraht läuft über die Umlenkung und verbindet Drehgriff und ein als Kraftelement dienendes Federelement, welches an einem Fixpunkt am Träger befestigt ist. Wenn sich der Drehgriff in der Nullstellung befindet, ist die Länge aus Zugseil bzw. Zugdraht und Federelement minimal. Bei Auslenkung des Drehgriffs relativ zum Träger wird das Federelement gedehnt. Die Umlenkung ist so angeordnet, dass das Federelement in dieselbe Richtung gedehnt wird, unabhängig davon, in welche Richtung der Drehgriff gedreht wird. Das bedeutet, dass sich das Federelement nach dem Loslassen des Drehgriffs in dieselbe Richtung zurück verformt und dabei den Drehgriff wieder in die Nullstellung bringt.This will be explained by means of an example. For example, a pull rope or a pull wire and on the support a deflection are provided on the rotary handle. The pull rope or the pull wire passes over the deflection and connects rotary handle and serving as a force element spring element which is fixed to a fixed point on the carrier. When the twist grip is in the neutral position, the length of the pull rope or pull wire and spring element is minimal. Upon deflection of the rotary handle relative to the carrier, the spring element is stretched. The deflection is arranged so that the spring element is stretched in the same direction, regardless of which direction the rotary handle is rotated. This means that the spring element deforms back after releasing the rotary handle in the same direction, bringing the rotary handle back to the zero position.

In einer Variante der Erfindung sind zwei oder mehr der Elemente aus der Gruppe Kraftelement, Kraftübertragungselement und Umlenkung in einem einzigen Bauteil integriert. Beispielsweise kann anstelle einer Feder als Kraftelement und eines Zugseils als Kraftübertragungselements ein Gummiseil verwendet werden, welches die Funktionen des Kraftelements und des Kraftübertragungselements in sich vereint.In a variant of the invention, two or more of the elements from the group of force element, power transmission element and deflection are integrated in a single component. For example, instead of a spring as a force element and a pull rope as a power transmission element, a rubber cord can be used, which combines the functions of the force element and the force transmission element in itself.

In einer weiteren Ausführungsform ist der Träger zumindest teilweise als Hohlkörper ausgeführt und das Kraftelement befindet sich im Inneren des Trägers. Diese Anordnung hat den Vorteil, dass Kraftelement, Umlenkung und Kraftübertragungselement vor äußeren Einflüssen geschützt sind. Dies ist besonders vorteilhaft, wenn die Erfindung auf einem Boot eingesetzt wird, da dort die Umwelteinflüsse besonders groß sind. Wird die Steuervorrichtung beispielsweise zur Steuerung eines Außenbordmotors eines Boots eingesetzt, so ist die Steuervorrichtung zum Beispiel Spritzwasser ausgesetzt, welches zu Korrosion und damit verbunden zu Funktionseinschränkungen führen kann.In a further embodiment, the carrier is at least partially designed as a hollow body and the force element is located inside the carrier. This arrangement has the advantage that the force element, deflection and power transmission element are protected from external influences. This is particularly advantageous when the invention is used on a boat, since there the environmental influences are particularly large. If the control device is used, for example, for controlling an outboard motor of a boat, the control device is exposed, for example, to spray water, which can lead to corrosion and, associated with this, to functional restrictions.

Gemäß einer anderen Ausführungsform ist das Kraftelement außen am Träger befestigt. Dies hat den Vorteil, dass der Rückstellmechanismus aus Kraftelement, Kraftübertragungselement und Umlenkung leicht zugänglich ist und einfach gewartet werden kann.According to another embodiment, the force element is attached to the outside of the carrier. This has the advantage that the return mechanism of force element, Power transmission element and deflection is easily accessible and easy to maintain.

Die Erfindung wird vorzugsweise zur Steuerung eines Elektromotors eingesetzt, der Teil eines Außenbordantriebs für ein Boot ist.The invention is preferably used to control an electric motor that is part of an outboard drive for a boat.

Ein bevorzugtes Einsatzgebiet der Erfindung sind elektrische Außenbordantriebe, wobei der Elektromotor einen Propeller antreibt. Die Steuervorrichtung dient hierbei zur Geschwindigkeitsregelung und zur Wahl der Fahrtrichtung. Für Vorwärts- und Rückwärtsfahrt kann der Drehgriff ausgehend von der Nullstellung in unterschiedliche Richtungen gedreht werden. Die erste und die zweite Betriebsstellung kennzeichnen damit eine Vorwärts- bzw. eine Rückwärtsfahrt.A preferred field of application of the invention are electric outboard drives, wherein the electric motor drives a propeller. The control device serves for speed control and for selecting the direction of travel. For forward and reverse travel, the rotary handle can be rotated from the zero position in different directions. The first and the second operating position thus characterize a forward or a reverse drive.

Die Erfindung sowie weitere Einzelheiten der Erfindung sollen anhand der schematischen Zeichnungen näher erläutert werden. Hierbei zeigen

Figuren 1 und 2
eine erste Ausführung einer erfindungsgemäßen Steuervorrichtung und
Figuren 3 und 4
eine zweite Ausführung einer erfindungsgemäßen Steuervorrichtung.
The invention and further details of the invention will be explained in more detail with reference to the schematic drawings. Show here
Figures 1 and 2
a first embodiment of a control device according to the invention and
FIGS. 3 and 4
a second embodiment of a control device according to the invention.

In den Figuren 1 und 2 ist schematisch eine Steuervorrichtung zur Steuerung eines elektrischen Außenbordmotors dargestellt. Die Steuervorrichtung weist einen Drehgriff 1 auf, welcher drehbar auf dem als Pinne dienenden Rohr 2 gelagert ist. Der Drehgriff 1 ist in Figur 1 in der Nullstellung gezeigt. Durch Drehen an dem Drehgriff 1 wird über ein nicht dargestelltes System die dem elektrischen Außenbordmotor zugeführte Leistung und die Drehgeschwindigkeit des Propellers des Außenbordmotors geregelt. Ausgehend von der Nullstellung des Drehgriffs 1 bewirkt eine Drehung des Drehgriffs 1 in die eine Richtung eine Drehung des Propellers in die eine Richtung und eine Drehung des Drehgriffs 1 in die andere Richtung bewirkt entsprechend eine Propellerdrehung in die andere Richtung. So wird das Boot, welches von dem Außenbordmotor angetrieben wird, durch eine Drehung an dem Drehgriff 1 im Uhrzeigersinn (Figur 1) in Vorwärtsfahrt versetzt und durch Drehung entgegen dem Uhrzeigersinn in Rückwärtsfahrt.In the Figures 1 and 2 schematically a control device for controlling an electric outboard motor is shown. The control device has a rotary handle 1 which is rotatably mounted on the tube 2 serving as a tiller. The rotary handle 1 is in FIG. 1 shown in the zero position. By turning the knob 1 is controlled by a system, not shown, the power supplied to the electric outboard motor and the rotational speed of the propeller of the outboard motor. Starting from the zero position of the rotary handle 1 causes a rotation of the rotary handle 1 in one direction, a rotation of the propeller in one direction and rotation of the rotary handle 1 in the other direction causes a propeller rotation in the other direction accordingly. Thus, the boat, which is driven by the outboard motor, by a rotation on the rotary handle 1 in a clockwise direction ( FIG. 1 ) in forward drive and by turning counterclockwise in reverse.

Im Inneren des Rohres 2 ist eine Rückholfeder 3 mit ihrem eine Ende an einem Haken 4 oder einem anderen Fixpunkt (relativ zum Rohr 2) befestigt. An dem anderen Ende der Rückholfeder 3 ist ein Zugseil 5 angebracht. Als Zugseil 5 kann beispielsweise ein Natur-oder Kunstfaserseil, ein Drahtseil oder ein analoges längliches Element verwendet werden, welches zur Übertragung von Zugkräften geeignet ist.Inside the tube 2, a return spring 3 is fixed with its one end to a hook 4 or another fixed point (relative to the tube 2). At the other end of the return spring 3, a pull rope 5 is attached. As a traction cable 5, for example, a natural or synthetic fiber rope, a wire rope or an analogous elongated element can be used, which is suitable for the transmission of tensile forces.

Im Inneren des Rohres 2 ist ferner eine erste Umlenkrolle 6 vorgesehen. Die Drehachse der Umlenkrolle 6 ist senkrecht zur Symmetrieachse 9 des Rohres 2 angeordnet. Die erste Umlenkrolle 6 ist als feste Rolle ausgeführt, das heißt, ihre Position relativ zum Rohr 2 ist fest und ändert sich während der Benutzung nicht. Anstelle einer Umlenkrolle kann auch ein nicht drehbares Umlenkelement verwendet werden. Das Prinzip der Erfindung bleibt damit unverändert, jedoch sind die Reibungsverluste etwas höher.Inside the tube 2, a first deflection roller 6 is further provided. The axis of rotation of the deflection roller 6 is arranged perpendicular to the symmetry axis 9 of the tube 2. The first guide roller 6 is designed as a fixed roller, that is, its position relative to the tube 2 is fixed and does not change during use. Instead of a deflection roller and a non-rotatable deflection can be used. The principle of the invention thus remains unchanged, but the friction losses are slightly higher.

Zwei weitere Umlenkrollen 7, 8 sind ebenfalls fest im Inneren des Rohres 2 angebracht. Die Drehachsen der beiden Umlenkrollen 7, 8 sind in Richtung der Symmetrieachse 9 ausgerichtet. Die beiden Umlenkrollen 7, 8 befinden sich in einer Ebene und berühren sich fast, wobei jedoch zwischen den beiden Umlenkrollen 7, 8 so viel Platz verbleibt, dass das Zugseil 5 zwischen den Umlenkrollen 7, 8 durchgeführt werden kann. Auch die beiden Umlenkrollen 7, 8 können durch feste Umlenkelemente ersetzt werden.Two further deflection rollers 7, 8 are also fixedly mounted inside the tube 2. The axes of rotation of the two deflection rollers 7, 8 are aligned in the direction of the symmetry axis 9. The two pulleys 7, 8 are in a plane and almost touch each other, but so much space remains between the two pulleys 7, 8 that the pull rope 5 between the pulleys 7, 8 can be performed. The two deflection rollers 7, 8 can be replaced by fixed deflection.

Das Zugseil 5 verläuft von der Rückholfeder 3 zur ersten Umlenkrolle 6. In Figur 2 sind die Rückholfeder 3 und die erste Umlenkrolle 6 so angeordnet, dass das Zugseil zwischen der Rückholfeder 3 und der ersten Umlenkrolle 6 in im Wesentlichen axialer Richtung 9 verläuft. Der Haken bzw. Fixpunkt 4 und die erste Umlenkrolle 6 können jedoch auch anderweitig zueinander angeordnet sein, so dass das Zugseil 5 zwischen der Rückholfeder 3 und der ersten Umlenkrolle 6 nicht parallel zur Symmetrieachse 9, sondern winklig dazu verläuft.The traction cable 5 extends from the return spring 3 to the first guide roller 6. In FIG. 2 the return spring 3 and the first guide roller 6 are arranged so that the pull rope between the return spring 3 and the first guide roller 6 extends in a substantially axial direction 9. However, the hook or fixed point 4 and the first guide roller 6 can also be arranged otherwise to one another, so that the pull cable 5 between the return spring 3 and the first guide roller 6 is not parallel to the axis of symmetry 9, but at an angle thereto.

Das Zugseil 5 wird durch die erste Umlenkrolle 6 zu den zweiten Umlenkrollen 7, 8 umgelenkt. Vorzugsweise sind die erste Umlenkrolle 6 und die beiden Umlenkrollen 7 und 8 so zueinander angeordnet, dass das Zugseil 5 um 90° umgelenkt wird. Das Zugseil 5 ist mit seinem anderen Ende an einer Befestigungsvorrichtung 10 des Drehgriffs 1 befestigt.The traction cable 5 is deflected by the first deflection roller 6 to the second deflection rollers 7, 8. Preferably, the first guide roller 6 and the two guide rollers 7 and 8 are arranged to each other so that the pull cable 5 is deflected by 90 °. The Pulling cable 5 is fastened at its other end to a fastening device 10 of the rotary handle 1.

In der Nullstellung des Drehgriffs 1 sind die Rückholfeder 3 und das Zugseil 5 nur leicht vorgespannt. Wird der Drehgriff 1 aus der Nullstellung gedreht, bewegt sich die Befestigungsvorrichtung 10 von den beiden Umlenkrollen 7 und 8 weg, wodurch über das Zugseil 5 eine Zugkraft auf die Rückholfeder 3 übertragen wird. Dadurch wird die Rückholfeder 3 auseinander gezogen, und weiter gespannt. Lässt der Bootsführer den Drehgriff 1 wieder los, so wird der Drehgriff 1 durch die Federkraft der Rückholfeder 3 über das Zugseil 5 in die Nullstellung zurück gedreht.In the zero position of the rotary handle 1, the return spring 3 and the traction cable 5 are only slightly biased. If the rotary handle 1 is rotated from the zero position, the fastening device 10 moves away from the two deflection rollers 7 and 8, whereby a tensile force is transmitted to the return spring 3 via the traction cable 5. As a result, the return spring 3 is pulled apart, and further tensioned. If the skipper releases the rotary handle 1, the rotary handle 1 is rotated back to the zero position by the spring force of the return spring 3 via the pull cable 5.

Unabhängig davon, in welche Richtung der Drehgriff 1 gedreht wird, das heißt in oder entgegen dem Uhrzeigersinn, wird der Drehgriff 1 nach dem Loslassen durch die Rückholfeder 3 in die Nullstellung zurückgebracht. Je nach Drehrichtung des Drehgriffs 1 verläuft das Zugseil 5 über die Umlenkrolle 7 oder über die Umlenkrolle 8.Regardless of the direction in which the rotary handle 1 is rotated, that is in the counterclockwise or counterclockwise direction, the rotary handle 1 is returned after being released by the return spring 3 in the neutral position. Depending on the direction of rotation of the rotary handle 1, the traction cable 5 extends over the deflection roller 7 or over the deflection roller 8.

In den Figuren 3 und 4 ist eine weitere Ausführungsform der Erfindung dargestellt. Gleiche Elemente sind in allen Figuren mit denselben Bezugsziffern versehen. Die Ausführungsform gemäß den Figuren 3 und 4 entspricht im Wesentlichen der Ausführungsform der Figuren 1 und 2, jedoch ist die Mechanik zum Zurückdrehen des Drehgriffs 1 außerhalb des Rohres 2 und nicht innerhalb des Rohres 2 angeordnet.In the FIGS. 3 and 4 a further embodiment of the invention is shown. The same elements are provided in all figures with the same reference numerals. The embodiment according to the FIGS. 3 and 4 corresponds substantially to the embodiment of the Figures 1 and 2 However, the mechanism for turning back the rotary handle 1 outside the tube 2 and not within the tube 2 is arranged.

Claims (11)

Steuervorrichtung zur Steuerung eines Elektromotors umfassend einen Drehgriff (1) und einen Träger (2), welcher den Drehgriff (1) drehbar lagert, wobei der Drehgriff (1) durch Drehung in eine erste Richtung aus einer Nullstellung in eine erste Betriebsstellung gebracht werden kann, und wobei der Drehgriff (1) durch Drehung aus der Nullstellung in eine zweite, der ersten Richtung entgegengesetzte Richtung in eine zweite Betriebsstellung gebracht werden kann, dadurch gekennzeichnet, dass ein Kraftelement (3) zur Erzeugung einer Rückstellkraft, ein Kraftübertragungselement (5) und eine Umlenkung (6, 7, 8) vorgesehen sind, wobei das Kraftelement (3) über das Kraftübertragungselement (5) und die Umlenkung (6, 7, 8) mit dem Drehgriff (1) in Wirkverbindung steht, so dass das Kraftelement (3) eine Kraft auf den Drehgriff (1) ausübt, welche den Drehgriff (1) sowohl aus der ersten Betriebsstellung als auch aus der zweiten Betriebsstellung in die Nullstellung zurück dreht.Control device for controlling an electric motor comprising a rotary handle (1) and a carrier (2) which rotatably supports the rotary handle (1), wherein the rotary handle (1) can be brought from a zero position into a first operating position by rotation in a first direction, and wherein the rotary handle (1) can be brought by rotation from the zero position in a second direction opposite to the first direction in a second operating position, characterized in that a force element (3) for generating a restoring force, a force transmission element (5) and a Deflection (6, 7, 8) are provided, wherein the force element (3) via the force transmission element (5) and the deflection (6, 7, 8) with the rotary handle (1) is in operative connection, so that the force element (3) exerts a force on the rotary handle (1), which rotates the rotary handle (1) back to the zero position both from the first operating position and from the second operating position. Steuervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass zwei oder mehr der Elemente aus der Gruppe Kraftelement, Kraftübertragungselement und Umlenkung in einem einzigen Bauteil integriert sind.Control device according to claim 1, characterized in that two or more of the elements from the group of force element, power transmission element and deflection are integrated in a single component. Steuervorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Kraftelement (3) als Federelement, insbesondere als Schraubenfeder oder Spiralfeder ausgeführt ist.Control device according to claim 1 or 2, characterized in that the force element (3) is designed as a spring element, in particular as a helical spring or coil spring. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kraftübertragungselement (5) als Zugseil oder Gestänge ausgeführt ist.Control device according to one of the preceding claims, characterized in that the force transmission element (5) is designed as a pull rope or linkage. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Umlenkung (6, 7, 8) eine Rolle, eine Gleitführung und/oder einen Hebel umfasst.Control device according to one of the preceding claims, characterized in that the deflection (6, 7, 8) comprises a roller, a sliding guide and / or a lever. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (2) zumindest teilweise als Hohlkörper ausgeführt ist und dass sich das Kraftelement (3) im Inneren des Trägers (2) befindet.Control device according to one of the preceding claims, characterized in that the carrier (2) is at least partially designed as a hollow body and that the force element (3) is located in the interior of the carrier (2). Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich das Kraftelement (3) außen am Träger (2) befestigt ist.Control device according to one of the preceding claims, characterized in that the force element (3) is fastened to the outside of the carrier (2). Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Elektromotor Teil eines Außenbordantriebs für ein Boot ist.Control device according to one of the preceding claims, characterized in that the electric motor is part of an outboard drive for a boat. Steuervorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der Außenbordantrieb einen Propeller aufweist und dass sich der Propeller in der ersten und der zweiten Betriebsstellung in unterschiedliche Richtungen dreht.Control device according to claim 8, characterized in that the outboard drive comprises a propeller and that the propeller rotates in the first and the second operating position in different directions. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Außenbordantrieb eine Pinne aufweist und dass ein Teil der Pinne als Träger dient.Control device according to one of the preceding claims, characterized in that the outboard drive has a tiller and that a part of the tiller serves as a carrier. 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.
EP16001098.9A 2016-05-13 2016-05-13 Electric boat drive Active EP3243737B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP16001098.9A EP3243737B1 (en) 2016-05-13 2016-05-13 Electric boat drive
DK16001098.9T DK3243737T3 (en) 2016-05-13 2016-05-13 ELECTRIC BOAT DRIVE MECHANISM
US15/594,169 US10266244B2 (en) 2016-05-13 2017-05-12 Electric boat drive
AU2017203163A AU2017203163B2 (en) 2016-05-13 2017-05-12 Electric boat drive
CN201710338933.5A CN107364563B (en) 2016-05-13 2017-05-15 Device for electric ship driver

Applications Claiming Priority (1)

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EP16001098.9A EP3243737B1 (en) 2016-05-13 2016-05-13 Electric boat drive

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EP3243737B1 EP3243737B1 (en) 2018-12-12

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US20060189226A1 (en) * 2005-02-22 2006-08-24 Blair Charles S Torsional control boat throttle system
EP1961656A1 (en) * 2007-02-22 2008-08-27 Yamaha Marine Kabushiki Kaisha Boat propulsion apparatus
US20160090165A1 (en) * 2014-09-30 2016-03-31 Yamaha Hatsudoki Kabushiki Kaisha Marine propulsion device

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CN2727048Y (en) 2004-06-09 2005-09-21 重庆宗申技术开发研究有限公司 Shipboard-outer machine shifting operation device
CA2516887C (en) 2004-08-25 2008-03-18 Honda Motor Co., Ltd. Remote operation system for outboard motor
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US20060189226A1 (en) * 2005-02-22 2006-08-24 Blair Charles S Torsional control boat throttle system
EP1961656A1 (en) * 2007-02-22 2008-08-27 Yamaha Marine Kabushiki Kaisha Boat propulsion apparatus
US20160090165A1 (en) * 2014-09-30 2016-03-31 Yamaha Hatsudoki Kabushiki Kaisha Marine propulsion device

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CN107364563A (en) 2017-11-21
DK3243737T3 (en) 2019-02-25
EP3243737B1 (en) 2018-12-12
CN107364563B (en) 2019-05-28
US20170327198A1 (en) 2017-11-16
US10266244B2 (en) 2019-04-23
AU2017203163B2 (en) 2019-05-16
AU2017203163A1 (en) 2017-11-30

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