EP2429896A1 - Antriebseinrichtung für einen gleitschirm - Google Patents
Antriebseinrichtung für einen gleitschirmInfo
- Publication number
- EP2429896A1 EP2429896A1 EP10721428A EP10721428A EP2429896A1 EP 2429896 A1 EP2429896 A1 EP 2429896A1 EP 10721428 A EP10721428 A EP 10721428A EP 10721428 A EP10721428 A EP 10721428A EP 2429896 A1 EP2429896 A1 EP 2429896A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paraglider
- motor
- propeller
- drive device
- sensor signals
- 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- Withdrawn
Links
- 230000001133 acceleration Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 7
- 230000024703 flight behavior Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C31/00—Aircraft intended to be sustained without power plant; Powered hang-glider-type aircraft; Microlight-type aircraft
- B64C31/028—Hang-glider-type aircraft; Microlight-type aircraft
- B64C31/036—Hang-glider-type aircraft; Microlight-type aircraft having parachute-type wing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/02—Canopy arrangement or construction
- B64D17/025—Canopy arrangement or construction for gliding chutes
Definitions
- the present invention relates to a drive device for a paraglider, comprising a motor, a propeller and a control device for the engine,
- the motor is arranged a fastening device by means of which the motor on the back of a paraglider using the paraglider is attachable, - wherein the motor acts on a shaft which is arranged at the back of the paraglider mounted motor on the side facing away from the paraglider side of the motor and at the end facing away from the motor rotatably the propeller is arranged, - wherein the control device is connected to the engine data technically and is designed such that it continuously receives control commands from the paraglider during operation and controls the motor in response to the received control commands.
- Paragliders are known in the form of "simple", unpowered paragliders and in the form of motor gliders.With simple paragliders takes a winch or slope start, then the paraglider tries to find a thermal channel from which it can be carried in the air is also a self-start possible.
- the drive In motor glides the drive is usually designed as an internal combustion engine. Such a drive has various disadvantages. So an internal combustion engine is not only loud, but also develops great heat (risk of burns). Furthermore, the exhaust gases are odoriferous. Furthermore, most paragliders with internal combustion engines are unsuitable for unpowered gliding flight. From a legal point of view, paragliders of motor gliders continue to be forced to take off only at specially authorized airfields.
- the object of the present invention is to develop a drive device for a paraglider so that - analogous to gliders with auxiliary engine - it is possible to start by means of the engine and then in the air in the motorless, so-called active flight, which is resulting flight behavior as much as possible to correspond to a pure (unpowered) paraglider.
- a drive device of the type mentioned in the introduction is further configured in that - attached at the back of the paraglider
- the main purpose of the protective cage is to prevent the paraglider's screen lines and paraglider's limbs from getting into the volume shed by the propeller.
- the upper part of the protective cage during start-up of the paraglider fulfills the function of supporting the screen lines above the shoulders of the paraglider, thus facilitating the erection of the paraglider during take-off of the paraglider.
- the bracket relative to the shaft axis of the motor, cover an angle which is between 60 ° and 180 °, in particular at least 100 °.
- the bracket can, seen in the direction of the shaft axis of the motor, run at the height of the motor, at the height of the propeller or in the opposite direction at the height of the paraglider.
- the safe condition of the engine can be selected as needed. For example, it is possible for the control device to actively stop the motor. Alternatively, it is possible that the power supply to the engine is switched off, so the engine expires. Furthermore, it is possible for the motor to be operated with limited speed at a low speed and / or to be torque-limited at a low torque. In particular, in the case of an internal combustion engine, a clutch can also be actuated.
- the glide flight characteristics can be further improved if the propeller has a flap device by means of which the propeller blades of the propeller can be folded onto the shaft.
- the flap means is designed such that it folds the propeller blades when it is folded against the shaft on the paraglider. This embodiment improves the flight behavior by the more favorable mass distribution.
- the flap device is designed as a locking-free spring device, so that the folding position of the propeller blades automatically adjusts in dependence on the rotational speed of the motor.
- the control device is designed such that it initially operates the engine with a low torque at least during startup and increases the torque later.
- start-up here refers to the start-up of the motor, not to the leg movements of the paraglider which it makes during take-off This type of motor control achieves, in particular, that the risk of injury of the paraglider is minimized if it falls, for example, during the start-up run ,
- the propeller when the motor is mounted on the back of the paraglider, the propeller is spaced apart from the paraglider as seen in the direction of the waves so that the propeller volume lies outside the arm reach of the paraglider.
- the propeller is even spaced so far from the paraglider that the propeller volume is outside the leg reach of the paraglider.
- fastening elements for push rods are arranged on the motor, via which the drive provided by the propeller bypassing the paraglider can be introduced on both sides directly into the Schirmgurte. This ensures that the paraglider itself is relieved of the propulsion forces of the propeller.
- the shaft Due to the length of the shaft, it may be necessary for the shaft to be stored in storage near the propeller.
- the storage is preferably secured in this case via a conically extending support structure on the engine. This results in a simple way a stable positioning storage. If the propeller and the shaft are light enough and the shaft is sufficiently rigid, however, it may be sufficient if the shaft does not have its own bearings, so that it is supported only indirectly via the bearings of the engine.
- the drive device additionally has an accumulator device, via which the motor can be supplied with electrical energy.
- the accumulator device preferably has fastening elements by means of which it can be fastened to the paraglider near the center of gravity of the body-in particular in front of the center of gravity of the body. This configuration results in a good mass distribution.
- the torques exerted by the motor and the propeller on the one hand and the accumulator on the other hand at least partially compensate each other.
- the configuration of the first sensor devices can be selected as needed.
- the first sensor devices can comprise gyroscopes and / or acceleration sensors and for the first sensor signals to include the translatory accelerations and / or rotational speeds of the paraglider or of screening elements-for example the left and right shield ends-and the paraglider.
- the evaluation of such sensor signals is well known.
- Each automatically controlled aircraft works with such sensor signals.
- the first sensor signals become not deriving a rudder movement, but possibly triggered a shutdown of the engine.
- the first sensor devices may comprise tension measuring elements and the first sensor signals comprise the bearing forces acting in the left and in the right-hand carrying belt of the paraglider.
- the first sensor devices may comprise scanning devices for a danger zone surrounding the propeller volume and for the first sensor signals to include a presence signal for a foreign body in the danger zone.
- the second sensor devices may be formed as needed.
- the second sensor devices may comprise gyroscopes and / or acceleration sensors and the second sensor signals may comprise the translational accelerations and / or rotational speeds of the paraglider.
- the first sensor devices are designed as scanning devices for the danger zone, the first sensor devices and the second sensor devices may also be identical.
- control device is designed such that during operation third sensor signals can continuously be supplied to it by third sensor devices which are characteristic of an angle of inclination of the shaft relative to the horizontal, and in that the control device Operation evaluates the third sensor signals.
- the evaluation of the third sensor signals may, for example, consist in that the control device takes into account the third sensor signals during the control of the motor.
- the control device can convert the engine into a safe state or in a safe state hold when the angle of inclination to the horizontal is too large.
- the control device can be configured as desired, provided that it has the functionality described above. Most of the control device is designed as a software programmable controller, which is programmed with a control program. In this case, due to the programming with the control program, the control device is designed as explained above.
- the present invention therefore further comprises a control program comprising machine code by means of which a software programmable control device for a motor of a drive device for a paraglider is directly programmable, the control device being designed on the basis of the programming with the control program as explained above.
- the control program can be stored, for example, in machine-readable form on a data carrier.
- FIG. 2 is a detail of Figure 1 from the side and Figure 3 is a circuit diagram of the drive device according to the invention.
- a drive device for a paraglider 1 comprises a motor 2, a propeller 3 and a control device 4 (see FIG. 3) for the motor 2.
- the engine 2 may be designed as an internal combustion engine. In general, however, the engine 2 is designed as an electric motor. In this case, an accumulator device 5 is additionally present. The accumulator 5 is used to supply the motor 2 with electrical energy.
- Figures 1 and 2 show the drive device according to the invention in its operating state.
- the engine 2 is arranged on the back of a paraglider 7 via a fastening device 6 arranged on the engine 2.
- the motor 2 may be connected to a seat shell 8 and may be present on the seat shell 8 straps for buckling the paraglider 7 in the seat shell 8.
- the accumulator device 5 fastening elements (not shown), by means of which they can be fastened in front of the center of gravity of the paraglider 7 on the paraglider 7.
- the accumulator device 5 may be fixed in the abdominal or hip area of the paraglider 7. This results in a favorable weight distribution.
- the paraglider 1 is connected to the paraglider 7 via umbrella straps 9 and shielding lines 10. Transition elements 11, for example snap hooks 11, are located between the screen belts 9 and the screen line 10.
- the paraglider 1 is in normal condition - that is, when the paraglider 7 glides through the air with the paraglider 1 and stably over the paragliding plane - ger 7.
- the following statements relate to the normal state in which the motor 2 is attached to the back of the paraglider 7 and the paraglider 1 is stable on the paraglider 7. If the following statements are intended to refer to a different state, this will be explicitly stated below.
- the motor 2 acts on a shaft 12.
- the shaft 12 is arranged on the side of the motor 2 facing away from the paraglider 7.
- the propeller 3 is arranged.
- the propeller 3 combs a propeller volume V when it rotates.
- the shaft 12 has a large length 1.
- the length 1 is at least as large as the propeller radius r. In any case, however, the length 1 is dimensioned such that the propeller 3 seen in the shaft direction is so spaced from the paraglider 7, that the screen lines 10 of the paraglider 1 outside of the propeller volume V extend. Preferably, the length 1 is further dimensioned such that the propeller 3 seen in the wave direction is so far away from the paraglider 7 that the propeller volume V outside the arm or even better leg range of the paraglider. 7 runs.
- the control device 4 is connected to the engine 2 data technically.
- the data connection can be made for example via a (not shown) cable.
- a wireless connection may be wireless or the like.
- an operating device 13 is provided according to FIG.
- the paraglider 7 of the control device 4th Specify control commands SB.
- the control device 4 continuously queries the operating device 13 during operation and therefore continuously receives the corresponding control commands SB from the paraglider 7.
- control device 4 receives no further input signals. According to the invention, however, first and / or second sensor devices 14, 15 are present.
- first and second sensor signals S1 are detected automatically and continuously.
- the first sensor signals Sl are characteristic of whether the paraglider 1 is stable over the paraglider 7 or not.
- the first sensor signals S1 are - in addition to the control commands SB - continuously fed to the control device 4 during operation of the control device 4.
- the second sensor devices 15 may be present as an alternative or in addition to the first sensor devices 14. By means of the second sensor devices 15 are - automatically and continuously - second sensor signals S2 detected.
- the second sensor signals S2 are characteristic of a position of the paraglider 7 relative to the propeller volume V.
- the second sensor signals S2 are - in addition to the control commands SB and possibly also in addition to the first sensor signals Sl - continuously supplied to the control device 4 during operation of the control device 4.
- the control device 4 continuously receives the control commands SB and the sensor signals S1, S2 supplied to it. It controls the motor 2 as a function of the control commands SB and sensor signals S1, S2 supplied to it.
- the control device 4 can always and forcibly transfer the motor 2 and therefore indirectly the propeller 3 into a safe state or keep it in a safe state, in particular with priority of the states derived from the sensor signals S1, S2 before the control commands SB.
- the control device 4 recognizes a dangerous state based on the first and / or second sensor signals Sl, S2.
- a dangerous condition exists in particular when there is the danger that the shielding lines 10 of the paraglider 1 and / or limbs of the paraglider 7, that is to say the arms and legs, could enter the propeller volume V.
- the safe state can be determined as needed.
- the engine 2 can be shut down or operated in a speed-limited and / or torque-limited manner.
- a clutch which is arranged between the engine 2 and the propeller 3, are opened.
- the control device 4 realizes, as it were, a "virtual protective cage" around the propeller 3. For this reason, in contrast to the prior art, it is not necessary for the propeller 3 to be surrounded by a (real) protective cage. On the contrary, the protective cage can be dispensed with, as a result of which the weight and the air resistance are reduced and the flight behavior is improved.
- the drive device according to the invention can be configured advantageously in various ways.
- the propeller 3 may have a flap 16.
- the propeller blades 17 of the propeller 3 can be folded against the shaft 12. As a result, the air resistance in gliding flight can be reduced.
- the propeller blades 17 are hinged to the shaft 12, the above-defined propeller volume V refers to the volume, that comb the propeller blades 17 in the unfolded state.
- the flap device 16 is designed such that it folds the propeller blades 17 when folding on the shaft 12 on the paraglider 7 (see the arrows A in Figure 2). As a result, an advantageous mass distribution can be achieved.
- the flap device 16 Regardless of whether the flap device 16 folds the propeller blades 17 toward the paraglider 7 or away from the paraglider 7, the flap device 16 is preferably designed as a locking-free spring device 16, as shown in FIG.
- the folded position of the propeller blades 17 automatically adjusts as a function of the rotational speed of the engine 2, so that a balance of spring force and centrifugal force results.
- the shaft 12 may be formed as a hollow shaft, in the interior of which the spring means 16 is arranged.
- the control device 4 is preferably designed such that it initially operates the engine 2 with a low torque when the engine 2 starts up. Only later, when a significant speed is reached, the torque is increased. With this embodiment, the risk of injury to the paraglider 7 can be minimized if it - for whatever reason - reaches backwards, for example into the propeller blades 17 which are just unfolding. In conjunction with automatically unfolding propeller blades 17, the increase in torque and the unfolding of the propeller blades 17 preferably coincide in time.
- the propeller 3 provides due to its rotation about the shaft 12 a feed. It is possible to initiate the feed on the paraglider 7 in the Schirmgurte 9. For example, the propeller 3 can act on the seat shell 8.
- fastening elements for push rods 18 are arranged on the motor 2. Via the push rods 18, it is possible to initiate the propulsion, which the propeller 3 supplies, directly into the parachute straps 9, thus bypassing the paraglider 7. The initiation takes place on both sides of the paraglider 7, ie, on the left and on the right of the paraglider 7 ,
- the bearing is preferably fastened to the motor 2 via a conically extending support structure. If the propeller 3 and the shaft 12 are light enough and the shaft 12 is sufficiently rigid, but it may be sufficient if the shaft 12 has no own storage, so they exclusively is mounted indirectly via the bearings of the engine 2. This latter embodiment - keyword only indirect storage of the shaft 12 - is particularly advantageous if a tracking of the shaft 12 is provided see the following comments.
- third sensor facilities 21 may be provided.
- third sensor signals S3 are detected continuously during operation of the drive device.
- the third sensor signals S3 are characteristic of the tilt angle N mentioned above. If they are detected, they are likewise supplied to the control device 4 and evaluated by the control device 4 during operation.
- the evaluation may be, for example, that the control device 4 takes into account the third sensor signals S3 in the control of the motor 2.
- the control device 4 analogously to the evaluation of the first and / or second sensor signals Sl, S2 - the motor 2 always and forcibly and in particular take precedence over the control commands SB in a secure state or hold in a safe state, if the control device 4 recognizes on the basis of the third sensor signals S3 that an allowable inclination angle range is left.
- the permissible angle of inclination can be - for example only - between + 20 ° and - 10 ° with respect to the horizontal. Other values are of course possible.
- the control behavior may be hysteresis.
- the control device 4 based on the third sensor signals S3 determines drive signals for a tracking device 22.
- the tracking device 22 the inclination angle N of the shaft 12 can be influenced relative to the horizontal.
- the first sensor devices 14 may be formed as needed.
- the first sensor devices 14, as shown in FIG. 1, may comprise gyroscopes and / or acceleration sensors.
- the first sensor devices 14 detect, for example, the translational accelerations and / or rotational speeds of the left and right shield ends 1 ', 1 "and the paraglider flyer 7.
- the values detected by the first sensor devices 14 are supplied to the control device 4 wirelessly - line-bound (or preferably).
- the first sensor devices 14 may comprise tension measuring elements which detect the carrying forces which act in the left and in the right carrying belt 9 of the paraglider 1.
- the signal transmission to the control device 4 can be made wired or wireless. In this case, a line-bound signal transmission is preferred.
- the first sensor devices 14 include distance sensors, by means of which the distances of predefined screen elements to the motor 2 (or variables characteristic thereof) are detected.
- the first sensor devices 14 may comprise angle sensors by means of which the angular positions of predefined screen elements relative to the paraglider 7 - for example relative to the transition elements 11 - (or corresponding characteristic variables) are detected.
- the first sensor devices 14 may comprise scanning devices which scan a danger zone Z.
- the danger zone Z surrounds the propeller volume V.
- a suitable scanning device may be designed as a camera, as a laser sensor or as an ultrasonic sensor.
- the first sensor signals Sl comprise a presence signal for a foreign body in the danger zone Z.
- the foreign bodies may be, for example, the screen lines 10 and / or the arms of the paraglider 7.
- the second sensor devices 15 can also be designed as required.
- the second sensor devices 15 may comprise gyroscopes and / or acceleration sensors.
- the second sensor signals S2 include the translational accelerations and / or rotational speeds of the paraglider 7 (more precisely: individual body parts of the paraglider 7).
- the third sensor devices 21 can also be designed as required.
- the third sensor devices 21 can be designed analogously to the first and second sensor devices 14, 15 as acceleration sensors or as gyroscopes.
- the control device 4 can also be designed as required, provided that it has the functionalities described above.
- the control device 4 is designed as a software programmable control device.
- the control device 4 is programmed with a control program 23. Due to the programming with the control program 23, the control device 4 is designed according to the invention.
- control program 23 comprises machine code 24, by means of which the control device 4 can be programmed directly.
- the control program 23 is stored in machine-readable form on a data carrier 25.
- the data carrier 25 may alternatively be arranged internally on the control device 4 or be detachably connected to the control device 4.
- the drive device By the drive device according to the invention many advantages are achieved.
- the flight behavior of the motor gliding screen in particular is approximated to the flight behavior of a motorless paraglider.
- the "normal" harness motorless paragliders can be used, which provides a high level of passive safety for the paraglider 7 offers. Furthermore, by means of the drive device according to the invention, for the first time, it is possible to carry out a self-starting even in the flat country, which leads into turbulent thermal air, and then to slide without drive in the thermal air. Due to the fact that the entire drive means - with the exception of the push rods 18 - is not directly connected to the support straps 9, the paraglider 7 can still move relatively freely in the harness.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200920007087 DE202009007087U1 (de) | 2009-05-16 | 2009-05-16 | Antriebseinrichtung für einen Gleitschirm |
PCT/EP2010/056389 WO2010133471A1 (de) | 2009-05-16 | 2010-05-11 | Antriebseinrichtung für einen gleitschirm |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2429896A1 true EP2429896A1 (de) | 2012-03-21 |
Family
ID=40897213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10721428A Withdrawn EP2429896A1 (de) | 2009-05-16 | 2010-05-11 | Antriebseinrichtung für einen gleitschirm |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2429896A1 (de) |
DE (1) | DE202009007087U1 (de) |
WO (1) | WO2010133471A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201122281D0 (en) * | 2011-12-23 | 2012-02-01 | Dreamscience Propulsion Ltd | Apparatus and method for paragliders |
ITTO20120624A1 (it) | 2012-07-13 | 2014-01-14 | Enrico Cattani | Dispositivo paracadute |
DE102013000461B4 (de) * | 2013-01-14 | 2020-07-02 | Michael Heger | Universelle Antriebsvorrichtung für Gleitschirme |
DE102015120680A1 (de) | 2015-11-27 | 2017-06-01 | Sky Sport International PVT LTD. | Antriebsvorrichtung für einen Gleitschirm |
DE102019001968B4 (de) * | 2019-03-20 | 2021-05-27 | Michael Heger | Gleitschirmantriebsvorrichtung mit Fronttragevorrichtung |
WO2021151836A1 (de) * | 2020-01-30 | 2021-08-05 | Pegasus Gmbh | Elektrische aufstiegshilfe |
EP4337529A1 (de) * | 2021-05-11 | 2024-03-20 | Atlasaero GmbH | Ermitteln eines flugzustandes und steuerung eines gleitschirms |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3914468A1 (de) * | 1989-05-02 | 1990-11-08 | Stefan Wode | Motorbedieneinheit fuer mobile motoren, insbesondere fuer gleitschirm-rucksack-motoren |
FR2679867A1 (fr) * | 1991-08-01 | 1993-02-05 | Blottin Georges | Dispositif de propulsion destine a faire voler un pilote equipe d'un parapente. |
DE9415963U1 (de) * | 1994-10-05 | 1994-12-01 | Hein, Wolfram, 59955 Winterberg | Fluggerät mit Auftrieb erzeugender Gasfüllung |
US6769648B2 (en) * | 2002-04-19 | 2004-08-03 | William L. Klima | Personal aircraft device |
DE202008012191U1 (de) | 2008-09-15 | 2008-11-27 | Geiger Engineering | Elektrisches Antriebssystem |
-
2009
- 2009-05-16 DE DE200920007087 patent/DE202009007087U1/de not_active Expired - Lifetime
-
2010
- 2010-05-11 WO PCT/EP2010/056389 patent/WO2010133471A1/de active Application Filing
- 2010-05-11 EP EP10721428A patent/EP2429896A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2010133471A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010133471A1 (de) | 2010-11-25 |
DE202009007087U1 (de) | 2009-07-23 |
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