DE4035831A1 - Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind - Google Patents

Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind

Info

Publication number
DE4035831A1
DE4035831A1 DE4035831A DE4035831A DE4035831A1 DE 4035831 A1 DE4035831 A1 DE 4035831A1 DE 4035831 A DE4035831 A DE 4035831A DE 4035831 A DE4035831 A DE 4035831A DE 4035831 A1 DE4035831 A1 DE 4035831A1
Authority
DE
Germany
Prior art keywords
wind
power plant
impeller blades
rods
wind power
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.)
Withdrawn
Application number
DE4035831A
Other languages
German (de)
Inventor
Heinz Bergmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE4035831A priority Critical patent/DE4035831A1/en
Publication of DE4035831A1 publication Critical patent/DE4035831A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • F03D7/0252—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking with aerodynamic drag devices on the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • F05B2240/312—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape capable of being reefed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The impeller blades (6) producing the wind engagement surfaces are rotatable around the rods (3), and inside the rods are arranged torsion springs (7), which on one side engage the bearing (2) of the rods (3) and at the other side engage the impeller blades (6), so that according to the strength of the wind different rotational angles of the impeller blades can be achieved. The impeller blades can be made of non-tearable fabric. The impeller blades can have the triangular shape of a sail. The blades can have a beam running straight or curved. USE/ADVANTAGE - Wind power plant. In event of storm risk of damage to impeller is reduced to min. Begins to turn with lightest wind.

Description

Die Erfindung betrifft ein Windkraftwerk mit wenigstens einem Generator, der durch umlaufende Windflügel angetrieben ist, wobei die Windflügel auf an ihre Lagerung anschließenden Stangen sitzen, um deren Achsen sie sich relativ zum Wind drehen. Eine solche Anordnung ist bekannt.The invention relates to a wind power plant with at least one Generator that is driven by rotating wind blades, whereby the wind wings on following their storage Poles sit around their axes relative to the wind rotate. Such an arrangement is known.

Nachteilig bei der bekannten Anordnung ist es aber, daß bei starkem Wind diese Windflügel und die sie tragenden Stangen gefährdet sind, während bei schwachem Wind das Anfangsdreh­ moment relativ hoch ist, so daß sich das Windrad erst bei etwas stärkeren Winden zu drehen beginnt.A disadvantage of the known arrangement, however, is that strong wind these wind wings and the poles that support them are at risk while the initial turn in weak winds moment is relatively high, so that the wind turbine only at slightly stronger winds start to turn.

Der Erfindung liegt demgemäß die Aufgabe zugrunde, ein Wind­ kraftwerk dieser Art so auszugestalten, daß das Windrad sich schon bei leichtesten Winden zu drehen beginnt, während bei Sturm die Gefährdung des Windrades auf ein Minimum reduziert ist.The invention is accordingly based on the object of a wind Power plant of this type so that the wind turbine starts to turn even in the lightest winds, while in Storm reduces the risk of the wind turbine to a minimum is.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die die Windangriffsfläche darstellenden Windflügel um die Stangen herum drehbar sind, wobei innerhalb der Stangen Torsionsfedern angeordnet sind, die einerseits an der Lagerung der Stangen und andererseits an den Windflügeln angreifen. Damit steigen die Verstellkräfte der Windflügel in Abhängigkeit von ihrer Auslenkung an, so daß gemäß der jeweiligen Windstärke sich unterschiedliche Drehwinkel der Windflügel ergeben.This object is achieved in that the the wind wing around the rods, representing the area exposed to the wind are rotatable around, torsion springs within the rods are arranged on the one hand on the storage of the rods and on the other hand attack on the wind wings. So go up the adjustment forces of the wind blades depending on their Deflection so that according to the respective wind strength result in different angles of rotation of the wind vanes.

Mit dieser Anordnung wird erreicht, daß bei Sturm sich die Windflügel im wesentlichen so einstellen, daß die Torsions­ feder der Auslenkung des Windflügels den größten Widerstand entgegensetzt, so daß hier das größte Drehmoment erreicht wird, während die Drehzahl des Generators konstant bleibt.This arrangement ensures that the storm Adjust the wind wing so that the torsion spring the deflection of the wind wing the greatest resistance opposed so that here the greatest torque is reached while the speed of the generator remains constant.

Besonders vorteilhaft ist es hierbei, daß das erfindungsgemäße Windrad für eine gleichmäßige Kraftaufbringung auf die Generator­ welle auch dann sorgt, wenn das Windrad einen relativ großen Durchmesser hat, was bedeutet, daß die jeweils oben liegenden Windflügel größeren Windkräften ausgesetzt sind als die jeweils unten liegenden Windflügel. Die hierdurch bedingten Differenzen werden durch die Federn und durch den hierdurch bedingten unter­ schiedlichen Anstellwinkel ausgeglichen.It is particularly advantageous here that the invention Wind turbine for an even application of force to the generator wave also ensures when the wind turbine has a relatively large  Has diameter, which means that the respective top Wind blades are exposed to greater wind forces than each wind blades below. The differences caused by this are caused by the springs and by the resulting under different angles of attack compensated.

ln besonders vorteilhafter Weise können die Windflügel aus einem leichten aber reißfesten Tuch bestehen und die Drei­ ecksform eines Segels haben, insbesondere auch bauchig ge­ schnitten sein, und zwar in Abhängigkeit von der Tuchfläche, wie bei Segelbooten an sich bekannt. Die segelähnlichen Wind­ flügel können in entsprechender Weise mit einem gerade oder gekrümmt verlaufenden Baum versehen sein.The wind vanes can be made in a particularly advantageous manner a light but tearproof cloth and the three have the corner shape of a sail, in particular also bulbous be cut, depending on the surface of the cloth, as known in sailing boats. The sail-like wind Wings can be made with a straight or be curved tree provided.

Die Windflügel können weiter in einem Abstand zur Drehachse angeordnet sein, wobei die Länge der Torsionsfedern diesen Abstand beeinflussen kann. Außerdem können die Stangen gegen­ einander abgespannt sein.The wind wings can be further away from the axis of rotation be arranged, the length of the torsion springs this Distance can affect. In addition, the rods can be against be tired of each other.

Die Erfindung wird im folgenden anhand eines Ausführungs­ beispieles in der Zeichnung näher erläutert.The invention is based on an embodiment example explained in more detail in the drawing.

Die Figuren zeigen in schematischer Darstellung eine Aus­ führungsform der Erfindung, bei welcher ein Windrad 1 am Ende einer drehbar gelagerten Welle 2 angeordnet ist, wobei über die Welle 2, wie schematisch angedeutet, ein Generator 3 oder dergleichen beaufschlagbar ist. Von der Welle 2 gehen etwa radial sich erstreckende Rohre oder Stangen 3 aus, die an den Punkten 5 mit gegenseitigen Abspannungen 4 versehen sein können, um ein Abknicken der Stangen zu verhindern.The figures show a schematic representation of an embodiment of the invention, in which a wind turbine 1 is arranged at the end of a rotatably mounted shaft 2 , with a generator 3 or the like being acted on via the shaft 2 , as indicated schematically. From the shaft 2 extend approximately radially extending tubes or rods 3 , which can be provided at points 5 with mutual bracing 4 to prevent the rods from kinking.

Jenseits der Abspannpunkte 5 ist das Windrad mit Windflügeln 6 versehen, die so gelagert sind, daß sie sich um die Achsen der Stangen 3 drehen können.Beyond the guy points 5 , the wind turbine is provided with wind blades 6 , which are mounted so that they can rotate about the axes of the rods 3 .

Innerhalb der Stangen 3 sind schematisch angedeutete Torsions­ federn 7 angeordnet, deren eines Ende an den Windflügeln 3 und deren anderes Ende an der Lagerung 8 der Welle 2 angreift. Die Torsionsfedern setzen also einer Drehung der Windflügel 6 um die Achsen der Stangen 3 in Richtung des Doppelpfeiles 8 einen Widerstand entgegen, der bestrebt ist, die Windflügel 6 in ihre Ausgangslage zurückzubringen.Within the rods 3 schematically indicated torsion springs 7 are arranged, one end of which engages the wind blades 3 and the other end of the bearing 8 of the shaft 2 . The torsion springs therefore oppose a rotation of the wind vanes 6 about the axes of the rods 3 in the direction of the double arrow 8 , which endeavors to bring the wind vanes 6 back into their starting position.

Die Windflügel 6 können verschiedene Merkmale eines Segels auf­ weisen. So können die Windflügel 6 mit einem Baum 9 versehen sein; sie können aus einem reißfesten Tuch bestehen und bauchig geschnitten sein.The wind blades 6 can have various features of a sail. Thus, the wind blades 6 can be provided with a tree 9 ; they can consist of a tear-resistant cloth and have a bulbous cut.

Claims (7)

1. Windkraftwerk mit wenigstens einem Generator, der durch umlaufende Windflügel angetrieben ist, wobei die Windflügel auf an ihre Lagerung anschließenden Stangen sitzen, um deren Achsen sie sich relativ zum Wind drehen, dadurch gekennzeichnet, daß die die Windangriffsfläche darstel­ lenden Windflügel (6) um die Stangen (3) herum drehbar sind, wobei innerhalb der Stangen (3) Torsionsfedern (7) angeordnet sind, die einerseits an der Lagerung (2) der Stangen (3) und andererseits an den Windflügeln (6) an­ greifen, so daß gemäß der Windstärke sich unterschiedliche Drehwinkel der Windflügel (6) ergeben. 1. Wind power plant with at least one generator which is driven by rotating wind vanes, the wind vanes sitting on rods adjoining their storage, about the axes of which they rotate relative to the wind, characterized in that the wind vanes ( 6 ) represent the wind attack surface the rods ( 3 ) can be rotated around, wherein within the rods ( 3 ) torsion springs ( 7 ) are arranged, which on the one hand engage in the bearing ( 2 ) of the rods ( 3 ) and on the other hand in the wind vanes ( 6 ), so that according to the wind strength results in different angles of rotation of the wind blades ( 6 ). 2. Windkraftwerk nach Anspruch 1, dadurch gekennzeichnet, daß die Windflügel (6) aus einem leichten aber reißfesten Tuch bestehen.2. Wind power plant according to claim 1, characterized in that the wind blades ( 6 ) consist of a light but tear-resistant cloth. 3. Windkraftwerk nach Anspruch 2, dadurch gekennzeichnet, daß die Windflügel die Dreiecksform eines Segels haben.3. Wind power plant according to claim 2, characterized in that the wind wings have the triangular shape of a sail. 4. Windkraftwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Tuch bauchig geschnitten ist.4. Wind power plant according to one of the preceding claims, characterized in that the cloth cut bulbous is. 5. Windkraftwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Windflügel mit einem gerade oder gekrümmt verlaufenden Baum (9) versehen sind.5. Wind power plant according to one of the preceding claims, characterized in that the wind blades are provided with a straight or curved tree ( 9 ). 6. Windkraftwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Windflügel (6) in einem Abstand zur Drehachse (2) angeordnet sind, wobei die Länge der Torsionsfedern (7) diesen Abstand mit bestimmt.6. Wind power plant according to one of the preceding claims, characterized in that the wind blades ( 6 ) are arranged at a distance from the axis of rotation ( 2 ), the length of the torsion springs ( 7 ) also determining this distance. 7. Windkraftwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Stangen (3) gegeneinander abgespannt sind.7. Wind power plant according to one of the preceding claims, characterized in that the rods ( 3 ) are braced against each other.
DE4035831A 1990-11-10 1990-11-10 Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind Withdrawn DE4035831A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4035831A DE4035831A1 (en) 1990-11-10 1990-11-10 Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4035831A DE4035831A1 (en) 1990-11-10 1990-11-10 Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind

Publications (1)

Publication Number Publication Date
DE4035831A1 true DE4035831A1 (en) 1992-05-14

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ID=6418027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4035831A Withdrawn DE4035831A1 (en) 1990-11-10 1990-11-10 Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind

Country Status (1)

Country Link
DE (1) DE4035831A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007116231A1 (en) * 2006-04-11 2007-10-18 Zviad Khmaladze Windmill propeller
US9051916B2 (en) 2010-01-06 2015-06-09 IQ Energy Portable device for generating electric power

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007116231A1 (en) * 2006-04-11 2007-10-18 Zviad Khmaladze Windmill propeller
US9051916B2 (en) 2010-01-06 2015-06-09 IQ Energy Portable device for generating electric power

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