EP1772128A2 - Wheelchair with device for maintaining a constant speed - Google Patents
Wheelchair with device for maintaining a constant speed Download PDFInfo
- Publication number
- EP1772128A2 EP1772128A2 EP06016730A EP06016730A EP1772128A2 EP 1772128 A2 EP1772128 A2 EP 1772128A2 EP 06016730 A EP06016730 A EP 06016730A EP 06016730 A EP06016730 A EP 06016730A EP 1772128 A2 EP1772128 A2 EP 1772128A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheelchair
- driving speed
- constant
- user
- speed
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
Definitions
- the invention relates to a wheelchair, in particular an electric wheelchair, with which disabled, handicapped or persons who are difficult to walk, can move.
- the invention has for its object to provide a wheelchair of the type mentioned, which is safe to operate with a simple design and simple, cost-effective manufacturability and fatigue while avoiding the disadvantages of the prior art.
- the wheelchair comprises a device for keeping constant the driving speed.
- This device can be designed for example in the form of a locking device or mechanical clamping device. It is also possible to use the device for Constant maintenance of the driving speed electronically form to specify a speed setpoint and keep constant.
- the inventively equipped wheelchair thus allows the user to drive over longer distances with the wheelchair or to use the wheelchair for longer periods, without it being necessary to keep the speed constantly manually by the operation of a control element.
- the wheelchair according to the invention gives the user the ability to keep the speed itself constant, which is not always possible by manual operation of a control element or only with greater effort for the user.
- the device for keeping the driving speed constant comprises a memory in which the selected driving speed is stored. It is also possible according to the invention to store several of these speeds in the memory and to recall them by suitable operation of the device. Thus, for example, it is also possible to impose speed restrictions on the wheelchair in order to avoid exceeding the maximum speed permitted for the user. This results in a significant increase in reliability, since a user can thus drive only with a predetermined maximum speed.
- resetting or switching off the device for keeping constant the driving speed takes place in that the operator again controls the operating element for actuating at least one drive motor and for accelerating operated, this repeated operation is independent of their direction.
- the device for keeping the driving speed is thus switched off either by accelerating or by braking (acceleration or deceleration).
- the wheelchair comprises means for controlling the distance of operation of the vehicle speed keeping device.
- the distance over which an actuation of the device for keeping constant the driving speed is to be controlled / regulated.
- the device for keeping the driving speed constant comprises a control in order to keep the speed constant on inclines or gradients. This avoids delays or unwanted accelerations.
- the wheelchair according to the invention preferably comprises a switch-off device by means of which the device for keeping the driving speed constant can be switched off. This can be done by coupling with the actuation of a brake / hand brake, by operating a special key by means of a hand or a foot by the user or by an attendant.
- the switch-off device can be actuated by the user and / or an attendant.
- the wheelchair according to the invention may have a cruise control device for the cruise control device ("cruise control") which can be operated to set the "cruise control" with the user's hand or with the user's foot or by an external attendant.
- the switch-on can thus be operated by the user and / or an attendant.
- the wheelchair according to the invention is thus easy and reliable operable without fatigue of the user occur. This can rather concentrate on the steering of the wheelchair. All of this promotes operational safety to a considerable extent.
- an elimination of the device for keeping constant the driving speed can be performed after a predetermined, adjustable period of time. It is thus possible to allow the user a constant ride over a certain period of time. During this period, he can relax his hand and recover before manually setting the driving speed. In an analogous manner, it is also possible to automatically switch off the device for keeping constant the driving speed after a certain distance.
- the wheelchair according to the invention is designed as a power wheelchair, but it can also be configured as a (walking) disabled mobility scooter or have a different drive.
- an electric wheelchair for transmitting driving commands comprises a joy stick, by means of which the direction of travel and the speed can be determined.
- a device for keeping constant the driving speed is provided on the power wheelchair, which comprises a switch mounted on the joy stick. By pressing the switch, a selected driving speed can be kept constant. This is achieved by controlling the drive. The constant maintenance of the driving speed can be issued again by pressing the switch again and / or by pressing the joy stick.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Controls For Constant Speed Travelling (AREA)
- Basic Packing Technique (AREA)
- Handcart (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Control Of Velocity Or Acceleration (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Rollstuhl, insbesondere auf einen Elektrorollstuhl, mit welchem Behinderte, Gehbehinderte oder Personen, denen das Gehen schwerfällt, sich fortbewegen können.The invention relates to a wheelchair, in particular an electric wheelchair, with which disabled, handicapped or persons who are difficult to walk, can move.
Die aus dem Stand der Technik bekannten Elektrorollstühle weisen jeweils Drehgriffe, Hebel oder sonstige Bedienungselemente auf, mit welchen eine Betätigung des Antriebsmotors oder der Antriebsmotoren gesteuert wird. Für eine gleichmäßige Fahrt, insbesondere in Vorwärtsrichtung, ist es dabei erforderlich, diese Betätigungselemente ständig in gleicher Weise zu drehen, zu drücken oder zu halten. So müssen beispielsweise Schwenkhebel mit dem Daumen gehalten werden, Joy-Sticks nach vorne gedrückt werden oder Drehgriffe oder Hebel entsprechend gehalten werden. Hierdurch ergibt sich der Nachteil, dass die Bedienungsperson eine ständige Muskelanstrengung aufbringen muss. Dies wiederum führt zu Ermüdungserscheinungen, zu Verkrampfungen oder Ähnlichem.The electric wheelchairs known from the prior art each have knobs, levers or other operating elements, with which an actuation of the drive motor or the drive motors is controlled. For a smooth ride, especially in the forward direction, it is necessary to constantly rotate these actuators in the same way to push or hold. For example, pivot levers must be held with the thumb, joy sticks are pushed forward or rotary handles or levers are held accordingly. This has the disadvantage that the operator has to spend a constant muscle effort. This in turn leads to fatigue, to cramps or the like.
Der Erfindung liegt die Aufgabe zugrunde, einen Rollstuhl der eingangs genannten Art zu schaffen, welcher bei einfachem Aufbau und einfacher, kostengünstiger Herstellbarkeit betriebssicher und unter Vermeidung der Nachteile des Standes der Technik ermüdungsfrei bedienbar ist.The invention has for its object to provide a wheelchair of the type mentioned, which is safe to operate with a simple design and simple, cost-effective manufacturability and fatigue while avoiding the disadvantages of the prior art.
Erfindungsgemäß wird die Aufgabe durch die Merkmalskombination des Hauptanspruchs gelöst, die Unteransprüche zeigen weitere vorteilhafte Ausgestaltungen der Erfindung.According to the invention the object is achieved by the feature combination of the main claim, the subclaims show further advantageous embodiments of the invention.
Erfindungsgemäß ist somit vorgesehen, dass der Rollstuhl eine Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit umfasst. Diese Einrichtung kann beispielsweise in Form einer Feststelleinrichtung oder mechanischen Klemmeinrichtung ausgebildet sein. Es ist auch möglich, die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit elektronisch auszubilden, um einen Geschwindigkeitssollwert vorzugeben und konstant zu halten.According to the invention it is thus provided that the wheelchair comprises a device for keeping constant the driving speed. This device can be designed for example in the form of a locking device or mechanical clamping device. It is also possible to use the device for Constant maintenance of the driving speed electronically form to specify a speed setpoint and keep constant.
Der erfindungsgemäß ausgestattete Rollstuhl ermöglicht es dem Benutzer somit, über längere Strecken mit dem Rollstuhl zu fahren bzw. den Rollstuhl über längere Zeiten zu nutzen, ohne dass es erforderlich ist, die Geschwindigkeit durch die Betätigung eines Bedienungselements ständig manuell konstant zu halten.The inventively equipped wheelchair thus allows the user to drive over longer distances with the wheelchair or to use the wheelchair for longer periods, without it being necessary to keep the speed constantly manually by the operation of a control element.
Darüber hinaus gibt der erfindungsgemäße Rollstuhl dem Benutzer die Möglichkeit, die Geschwindigkeit selbst konstant zu halten, was durch manuelle Betätigung eines Bedienungselements nicht immer oder nur unter größerem Aufwand für den Benutzer möglich ist.In addition, the wheelchair according to the invention gives the user the ability to keep the speed itself constant, which is not always possible by manual operation of a control element or only with greater effort for the user.
In einer besonders günstigen Weiterbildung der Erfindung ist vorgesehen, dass die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit einen Speicher umfasst, in welchem die gewählte Fahrgeschwindigkeit gespeichert ist. Es ist erfindungsgemäß auch möglich, in dem Speicher mehrere dieser Geschwindigkeiten zu hinterlegen und durch geeignete Bedienung der Vorrichtung abzurufen. Somit ist es beispielsweise auch möglich, dem Rollstuhl Geschwindigkeitsbeschränkungen aufzuerlegen, um eine Überschreitung der für den Benutzer zulässigen Höchstgeschwindigkeit zu vermeiden. Hierdurch ergibt sich eine erhebliche Steigerung der Betriebssicherheit, da ein Benutzer somit nur mit einer vorgegebenen Maximalgeschwindigkeit fahren kann.In a particularly favorable development of the invention, it is provided that the device for keeping the driving speed constant comprises a memory in which the selected driving speed is stored. It is also possible according to the invention to store several of these speeds in the memory and to recall them by suitable operation of the device. Thus, for example, it is also possible to impose speed restrictions on the wheelchair in order to avoid exceeding the maximum speed permitted for the user. This results in a significant increase in reliability, since a user can thus drive only with a predetermined maximum speed.
In einer günstigen Weiterbildung der Erfindung ist vorgesehen, dass ein Zurücksetzen oder Ausschalten der Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit dadurch erfolgt, dass die Bedienungsperson das Bedienungselement zur Betätigung zumindest eines Antriebsmotors und zum Gasgeben nochmals betätigt, wobei diese nochmalige Betätigung unabhängig von deren Richtung ist. Die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit wird somit entweder durch Gasgeben oder durch Bremsen (Beschleunigen oder Verzögern) ausgeschaltet.In a favorable development of the invention it is provided that resetting or switching off the device for keeping constant the driving speed takes place in that the operator again controls the operating element for actuating at least one drive motor and for accelerating operated, this repeated operation is independent of their direction. The device for keeping the driving speed is thus switched off either by accelerating or by braking (acceleration or deceleration).
Vorzugsweise umfasst der Rollstuhl eine Einrichtung zur Regelung/Steuerung der Wegstrecke der Betätigung der Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit. Dadurch kann die Wegstrecke, über welche eine Betätigung der Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit erfolgen soll, gesteuert/geregelt werden.Preferably, the wheelchair comprises means for controlling the distance of operation of the vehicle speed keeping device. As a result, the distance over which an actuation of the device for keeping constant the driving speed is to be controlled / regulated.
In einer bevorzugten Ausgestaltung der Erfindung ist vorgesehen, dass die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit eine Regelung umfasst, um bei Steigungen oder Gefällen die Geschwindigkeit konstant zu halten. Hierdurch werden Verzögerungen oder unerwünschte Beschleunigungen vermieden.In a preferred embodiment of the invention, it is provided that the device for keeping the driving speed constant comprises a control in order to keep the speed constant on inclines or gradients. This avoids delays or unwanted accelerations.
Der erfindungsgemäße Rollstuhl umfasst bevorzugterweise eine Ausschaltvorrichtung, mittels derer die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit ausgeschaltet werden kann. Dies kann durch Kopplung mit der Betätigung einer Bremse/Handbremse, durch Betätigung einer Sondertaste mittels einer Hand oder eines Fußes durch den Benutzer oder durch eine Begleitperson erfolgen. Die Ausschaltvorrichtung kann dabei durch den Benutzer und/oder eine Begleitperson betätigt werden.The wheelchair according to the invention preferably comprises a switch-off device by means of which the device for keeping the driving speed constant can be switched off. This can be done by coupling with the actuation of a brake / hand brake, by operating a special key by means of a hand or a foot by the user or by an attendant. The switch-off device can be actuated by the user and / or an attendant.
Der erfindungsgemäße Rollstuhl kann über eine Einschaltvorrichtung für die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit ("Tempomat") verfügen, welche zum Setzen des "Tempomats" mit der Hand des Benutzers oder mit dem Fuß des Benutzers oder durch eine externe Begleitperson betätigt werden kann. Die Einschaltvorrichtung kann somit durch den Benutzer und/oder eine Begleitperson betätigt werden.The wheelchair according to the invention may have a cruise control device for the cruise control device ("cruise control") which can be operated to set the "cruise control" with the user's hand or with the user's foot or by an external attendant. The switch-on can thus be operated by the user and / or an attendant.
Erfindungsgemäß ist es somit möglich, entweder bei entsprechender Bedienung des Bedienungselements zur Betätigung des zumindest einen Antriebsmotors mittels dieses Bedienungselements den "Tempomat" oder diesen mittels eines separaten Bedienungselements einzuschalten. Durch letztere Möglichkeit ist es auch einer Begleitperson möglich, den Rollstuhl mit einer vorgegebenen konstanten Fahrgeschwindigkeit zu betätigen.According to the invention, it is thus possible, either with appropriate operation of the operating element for actuating the at least one drive motor by means of this operating element to turn on the "cruise control" or this by means of a separate control element. By the latter possibility, it is also possible for a companion to operate the wheelchair at a predetermined constant driving speed.
Der erfindungsgemäße Rollstuhl ist somit einfach und betriebssicher betätigbar, ohne dass Ermüdungserscheinungen des Benutzers auftreten. Dieser kann sich vielmehr auf die Lenkung des Rollstuhls konzentrieren. All dies fördert die Betriebssicherheit in erheblichem Maße.The wheelchair according to the invention is thus easy and reliable operable without fatigue of the user occur. This can rather concentrate on the steering of the wheelchair. All of this promotes operational safety to a considerable extent.
In bevorzugter Ausgestaltung der Erfindung ist bei dem Rollstuhl vorgesehen, dass eine Ausschaltung der Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit nach einer vorgegebenen, einstellbaren Zeitdauer erfolgen kann. Es ist somit möglich, dem Benutzer eine konstante Fahrt über einen bestimmten Zeitraum zu ermöglichen. Während dieses Zeitraumes kann er seine Hand entspannen und sich erholen, bevor er nachfolgend manuell die Fahrgeschwindigkeit vorgibt. In analoger Weise ist es auch möglich, nach einer bestimmten Fahrstrecke die Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit automatisch auszuschalten.In a preferred embodiment of the invention, it is provided in the wheelchair that an elimination of the device for keeping constant the driving speed can be performed after a predetermined, adjustable period of time. It is thus possible to allow the user a constant ride over a certain period of time. During this period, he can relax his hand and recover before manually setting the driving speed. In an analogous manner, it is also possible to automatically switch off the device for keeping constant the driving speed after a certain distance.
In günstiger Weise ist der erfindungsgemäße Rollstuhl als Elektrorollstuhl ausgebildet, er kann jedoch auch als (Geh-)Behinderten-Elektromobil ausgestaltet sein oder eine andere Antriebsart aufweisen.Conveniently, the wheelchair according to the invention is designed as a power wheelchair, but it can also be configured as a (walking) disabled mobility scooter or have a different drive.
Gemäß einem bevorzugten Ausführungsbeispiel der Erfindung umfasst ein Elektrorollstuhl zur Übertragung von Fahrbefehlen einen Joy-Stick, mittels dessen die Fahrtrichtung und die Geschwindigkeit bestimmbar sind. Erfindungsgemäß ist am Elektrorollstuhl eine Vorrichtung zur Konstanthaltung der Fahrgeschwindigkeit vorgesehen, welche einen am Joy-Stick angebrachten Schalter umfasst. Durch Betätigung des Schalters kann eine gewählte Fahrgeschwindigkeit konstant gehalten werden. Dies wird über eine Steuerung des Antriebs erreicht. Die Konstanthaltung der Fahrgeschwindigkeit kann durch nochmalige Betätigung des Schalters und/oder durch eine Betätigung des Joy-Sticks wieder ausgestellt werden.According to a preferred embodiment of the invention, an electric wheelchair for transmitting driving commands comprises a joy stick, by means of which the direction of travel and the speed can be determined. According to the invention, a device for keeping constant the driving speed is provided on the power wheelchair, which comprises a switch mounted on the joy stick. By pressing the switch, a selected driving speed can be kept constant. This is achieved by controlling the drive. The constant maintenance of the driving speed can be issued again by pressing the switch again and / or by pressing the joy stick.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06016730T PL1772128T3 (en) | 2005-10-10 | 2006-08-10 | Wheelchair with device for maintaining a constant speed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005048374A DE102005048374A1 (en) | 2005-10-10 | 2005-10-10 | Wheelchair with device for keeping the speed constant |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1772128A2 true EP1772128A2 (en) | 2007-04-11 |
EP1772128A3 EP1772128A3 (en) | 2007-08-22 |
EP1772128B1 EP1772128B1 (en) | 2009-11-11 |
Family
ID=37607235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06016730A Not-in-force EP1772128B1 (en) | 2005-10-10 | 2006-08-10 | Wheelchair with device for maintaining a constant speed |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1772128B1 (en) |
AT (1) | ATE447920T1 (en) |
DE (2) | DE102005048374A1 (en) |
DK (1) | DK1772128T3 (en) |
PL (1) | PL1772128T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017111129A1 (en) | 2017-05-22 | 2018-11-22 | Otto Bock Mobility Solutions Gmbh | Wheelchair with at least one electric auxiliary drive |
DE102017111127A1 (en) | 2017-05-22 | 2018-11-22 | Otto Bock Mobility Solutions Gmbh | Wheelchair with at least one electric auxiliary drive |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5135063A (en) | 1990-08-30 | 1992-08-04 | Smucker Manufacturing, Inc. | Power unit for driving manually-operated wheelchair |
US5651422A (en) | 1994-04-22 | 1997-07-29 | The Center For Innovative Technology | Universal-fit, quick-connect power drive/steer attachment for wheelchair |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6880855B2 (en) * | 2003-01-06 | 2005-04-19 | General Motors Corporation | Rotary driver control input device |
NL1026178C2 (en) * | 2004-05-12 | 2005-11-15 | Ludgerus Beheer B V | Wheelchair with drive support and force sensor for use with it. |
TWI285547B (en) * | 2005-02-16 | 2007-08-21 | Kwang Yang Motor Co | Fixed speed control device of electric wheelchair |
-
2005
- 2005-10-10 DE DE102005048374A patent/DE102005048374A1/en not_active Withdrawn
-
2006
- 2006-08-10 DK DK06016730.1T patent/DK1772128T3/en active
- 2006-08-10 AT AT06016730T patent/ATE447920T1/en active
- 2006-08-10 DE DE502006005324T patent/DE502006005324D1/en active Active
- 2006-08-10 PL PL06016730T patent/PL1772128T3/en unknown
- 2006-08-10 EP EP06016730A patent/EP1772128B1/en not_active Not-in-force
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5135063A (en) | 1990-08-30 | 1992-08-04 | Smucker Manufacturing, Inc. | Power unit for driving manually-operated wheelchair |
US5651422A (en) | 1994-04-22 | 1997-07-29 | The Center For Innovative Technology | Universal-fit, quick-connect power drive/steer attachment for wheelchair |
Also Published As
Publication number | Publication date |
---|---|
DK1772128T3 (en) | 2010-03-15 |
DE102005048374A1 (en) | 2007-04-19 |
PL1772128T3 (en) | 2010-04-30 |
DE502006005324D1 (en) | 2009-12-24 |
EP1772128B1 (en) | 2009-11-11 |
ATE447920T1 (en) | 2009-11-15 |
EP1772128A3 (en) | 2007-08-22 |
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