EP1136427A2 - Industrial truck with a camera equipment - Google Patents
Industrial truck with a camera equipment Download PDFInfo
- Publication number
- EP1136427A2 EP1136427A2 EP01105828A EP01105828A EP1136427A2 EP 1136427 A2 EP1136427 A2 EP 1136427A2 EP 01105828 A EP01105828 A EP 01105828A EP 01105828 A EP01105828 A EP 01105828A EP 1136427 A2 EP1136427 A2 EP 1136427A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- screen
- industrial truck
- camera
- driver
- truck according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/0755—Position control; Position detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
Definitions
- the invention relates to an industrial truck, in particular a forklift, with an in Forward-facing driver position, at least one in the area of the Driver's arranged screen and a first, rear-facing Camera.
- Such an industrial truck is, for example, from the publication DE 198 15 124 A1 known.
- the invention is therefore based on the object of making an industrial truck available make sure that there is sufficient power at all times while reversing Provides image detail on the monitor.
- This object is achieved in that at least one additional rear-facing camera is provided, the first camera for capturing a far range and the additional camera for capturing a close range is provided behind the truck, and which with the first and / or image captured with the additional camera can be displayed on the screen.
- the at least one additional camera for capturing the close range is expediently equipped with a wide-angle lens.
- the screen is operatively connected to a switching device, with which optionally the far range recorded with the first camera or that with the at least one additional camera detected close range can be displayed on the screen.
- the Switching device can be operated by the driver of the industrial truck by hand. When reversing on a free route, it is advisable for the driver to: Select view of the far range. On the other hand, it is during a maneuvering process required in a confined space, the close range behind the forklift on the To be able to look at the screen.
- the screen it is possible for the screen to be operatively connected to an image mixer stands with which at the same time the close-up area recorded with the first camera and with the at least one additional camera detects the far area on the screen can be represented.
- an image mixer stands with which at the same time the close-up area recorded with the first camera and with the at least one additional camera detects the far area on the screen can be represented.
- the first camera is expediently in the area behind the driver's cabin arranged.
- the first camera can, for example, on the top of a Rear weight of a forklift can be mounted and thus receives a similar Perspective, like a driver turning backwards in the driver's seat.
- each additional camera on an upper, rear Section of the driver's cabin is attached.
- the additional cameras get with it a perspective from an elevated location, from which the entire close range is visible behind the industrial truck.
- the screen inside the driver's cab in the Area of the leg room is arranged for the driver.
- the screen can for example in the front area of the driver's cab, between the legs of the Be arranged driver.
- the screen does not obstruct the view and the Access to display and control elements in the area of the dashboard.
- the industrial truck has a steering device with an electric one Has steering signal transmitter.
- Such steering signal transmitters do not require a steering column, which is an arrangement of the screen in the area between the driver's legs would prevent.
- the electrical Steering signal generator arranged in the area of an armrest of a driver's seat.
- the entire installation space in front of the driver's seat thus represents the arrangement of the screen to disposal.
- the arm of the Driver does not look at the screen.
- the space requirement of the screen can be reduced to a minimum by using the Screen is designed as a flat screen.
- the figure shows a forklift as an industrial truck according to the invention Top view.
- the truck is equipped with two front wheels 1 and two steerable Rear wheels 2 on a road.
- a lifting frame 8 lifting device 9 is in the area of the rear wheels 2 a rear weight 10 is arranged.
- Located in a driver's cabin 3 of the industrial truck a driver seat 4 oriented towards the front and one arranged in front of the driver seat 4 Steering wheel 5.
- a first camera 7 is attached to the top of the rear weight 10 and is for Detection of the long range behind the forklift provided.
- the direction of view the camera 7 can be fixed.
- the camera 7 it is also possible for the camera 7 to provide a swivel device with which the viewing angle of the camera through the Driver by means of an electrical control, or automatically, e.g. dependent on can be adjusted from the current steering angle.
- two additional cameras 11 are provided with which the Close range, detected directly behind the forklift and to the side of the rear weight 10 can be.
- the additional cameras 11 are attached to the driver's cab 3 at the top, the viewing angle of these cameras 11 is directed obliquely downwards.
- the driver In the area of the driver's cab there is a switching device with which the driver alternatively the view of the close range or the far range on the screen 6 can represent.
- the with the two additional cameras 11 captured images by means of an image mixer assembled and partially superimposed, so that the driver has the impression of an image taken with a single camera.
Abstract
Description
Die Erfindung betrifft ein Flurförderzeug, insbesondere Gabelstapler, mit einem in Vorwärtsfahrtrichtung ausgerichteten Fahrerplatz, mindestens einem im Bereich des Fahrerplatzes angeordneten Bildschirm und einer ersten, nach hinten gerichteten Kamera.The invention relates to an industrial truck, in particular a forklift, with an in Forward-facing driver position, at least one in the area of the Driver's arranged screen and a first, rear-facing Camera.
Ein derartiges Flurförderzeug ist beispielsweise aus der Druckschrift DE 198 15 124 A1 bekannt.Such an industrial truck is, for example, from the publication DE 198 15 124 A1 known.
Bei Flurförderzeugen der genannten Art wird dem Fahrer das Rückwärtsfahren dadurch erleichtert, daß der hinter dem Flurförderzeug befindliche Bereich von der Kamera erfaßt und auf dem Bildschirm dargestellt wird. Dadurch entfällt für den Fahrer das sonst erforderliche Drehen des Kopfes, was bei herkömmlichen Flurförderzeugen während der gesamten Rückwärtsfahrt erforderlich ist und zu einer erheblichen Belastung der Wirbelsäule des Fahrers führt.In industrial trucks of the type mentioned, the driver reverses thereby facilitated that the area located behind the truck from the Camera is captured and displayed on the screen. This eliminates the driver the otherwise necessary turning of the head, which is the case with conventional industrial trucks is required throughout the reverse journey and to a significant extent Stress on the driver's spine.
Als Bildschirme können dabei herkömmliche Röhren- oder Flachbildschirme verwendet werden. Ebenfalls möglich ist es, sogenannte virtuelle Bildschirme wie ein Headupdisplay oder einen in einer Frontscheibe des Flurförderzeugs integrierten LCD-Bildschirm zu verwenden.Conventional tube or flat screens can be used as screens become. It is also possible to use so-called virtual screens Head-up display or an LCD screen integrated in a front window of the industrial truck to use.
Bei derzeit bekannten Flurförderzeugen, die mit Kamera und Bildschirm zur Erleichterung der Rückwärtsfahrt ausgerüstet sind, besteht das Problem, daß die Kamera nicht den gesamten Umgebungsbereich hinter dem Flurförderzeug erfassen kann und somit insbesondere der Nahbereich direkt hinter dem Flurförderzeug auf dem Monitor nicht einsehbar ist. Auch durch Ausstattung der Kamera mit einem extremen Weitwinkelobjektiv kann dieses Problem nicht vollständig kompensiert werden, da das Monitorbild dann in den Randbereichen starke Verzerrungen aufweist, die eine Navigation alleine aufgrund des Bildschirmbilds nicht zulassen. In currently known industrial trucks with camera and screen for Facilitation of reverse travel, there is the problem that the Do not record the entire area behind the industrial truck can and in particular the close range directly behind the truck on the Monitor is not visible. Also by equipping the camera with an extreme Wide angle lens can not fully compensate for this problem because that The monitor image then shows strong distortions in the edge areas, one Do not allow navigation based on the screen image alone.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Flurförderzeug zur Verfügung zu stellen, das während des Rückwärtsfahrens jederzeit einen ausreichenden Bildausschnitt auf dem Monitor zur Verfügung stellt.The invention is therefore based on the object of making an industrial truck available make sure that there is sufficient power at all times while reversing Provides image detail on the monitor.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß mindestens eine zusätzliche nach hinten gerichtete Kamera vorgesehen ist, wobei die erste Kamera zum Erfassen eines Fernbereichs und die zusätzliche Kamera zum Erfassen eines Nahbereichs hinter dem Flurförderzeug vorgesehen ist, und wobei das mit der ersten und/oder das mit der zusätzlichen Kamera erfaßte Bild auf dem Bildschirm darstellbar ist.This object is achieved in that at least one additional rear-facing camera is provided, the first camera for capturing a far range and the additional camera for capturing a close range is provided behind the truck, and which with the first and / or image captured with the additional camera can be displayed on the screen.
Besonders vorteilhaft ist es, wenn zwei zusätzliche Kameras zum Erfassen des Nahbereichs vorgesehen sind. Ein toter Winkel hinter dem Flurförderzeugs, der mit den Kameras nicht zu erfassen ist, kann damit vollständig vermieden werden.It is particularly advantageous if two additional cameras for capturing the Close range are provided. A blind spot behind the industrial truck, the one with the Cameras that cannot be detected can thus be completely avoided.
Die mindestens eine zusätzliche Kamera zum Erfassen des Nahbereichs ist zweckmäßigerweise mit einem Weitwinkelobjektiv ausgestattet.The at least one additional camera for capturing the close range is expediently equipped with a wide-angle lens.
Der Bildschirm steht mit einer Schaltvorrichtung in Wirkverbindung, mit der wahlweise der mit der ersten Kamera erfaßte Fernbereich oder der mit der mindestens einen zusätzlichen Kamera erfaßte Nahbereich auf dem Bildschirm darstellbar ist. Die Schaltvorrichtung kann von dem Fahrer des Flurförderzeugs von Hand betätigt werden. Während einer Rückwärtsfahrt auf freier Strecke ist es für den Fahrer zweckmäßig, die Ansicht des Fernbereichs zu wählen. Hingegen ist es während eines Rangiervorgangs auf engem Raum erforderlich, den Nahbereich hinter dem Gabelstapler auf dem Bildschirm betrachten zu können.The screen is operatively connected to a switching device, with which optionally the far range recorded with the first camera or that with the at least one additional camera detected close range can be displayed on the screen. The Switching device can be operated by the driver of the industrial truck by hand. When reversing on a free route, it is advisable for the driver to: Select view of the far range. On the other hand, it is during a maneuvering process required in a confined space, the close range behind the forklift on the To be able to look at the screen.
Einen besonders guten Überblick über den Nahbereich hinter dem Gabelstapler erhält der Fahrer, wenn der Bildschirm mit einem Bildmischer in Wirkverbindung steht, mit dem die mit den beiden zusätzlichen Kameras erfaßten Bilder überlagert auf dem Bildschirm darstellbar sind. Die mit den beiden Nahkameras erfaßten Bilder werden dabei so zusammengefügt, daß für den Fahrer der Eindruck entsteht, das Bild sei mit einer einzigen Kamera aufgenommen worden.Get a particularly good overview of the close range behind the forklift the driver, when the screen is actively connected to an image mixer, with on which the images captured by the two additional cameras are superimposed on the Screen can be displayed. The images captured with the two close-up cameras are put together so that the driver gets the impression that the picture is with shot with a single camera.
Zusätzlich ist es möglich, daß der Bildschirm mit einem Bildmischer in Wirkverbindung steht, mit dem gleichzeitig der mit der ersten Kamera erfaßte Nahbereich und der mit der mindestens einen zusätzlichen Kamera erfaßte Fernbereich auf dem Bildschirm darstellbar ist. Auf das manuelle Umschalten zwischen Nah- und Fernbereich kann dann verzichtet werden, da der Fahrer bei dieser Ausführung gleichzeitig beide Ansichten nebeneinander auf dem Bildschirm betrachten kann.In addition, it is possible for the screen to be operatively connected to an image mixer stands with which at the same time the close-up area recorded with the first camera and with the at least one additional camera detects the far area on the screen can be represented. On manual switching between short and long range then be dispensed with, since the driver uses both at the same time in this version Can view views side by side on the screen.
Zweckmäßigerweise ist die erste Kamera im Bereich hinter der Fahrerkabine angeordnet. Die erste Kamera kann beispielsweise auf der Oberseite eines Heckgewichts eines Gabelstaplers montiert werden und erhält dadurch einen ähnlichen Blickwinkel, wie ein sich auf dem Fahrersitz nach hinten drehender Fahrer.The first camera is expediently in the area behind the driver's cabin arranged. The first camera can, for example, on the top of a Rear weight of a forklift can be mounted and thus receives a similar Perspective, like a driver turning backwards in the driver's seat.
Ebenso ist es zweckmäßig, wenn jede zusätzliche Kamera an einem oberen, hinteren Abschnitt der Fahrerkabine befestigt ist. Zur Befestigung dieser Kameras bieten sich die hinteren Säulen der Fahrerkabine an. Die zusätzlichen Kameras erhalten damit einen Blickwinkel von einem erhöhten Standort, von dem aus der gesamte Nahbereich hinter dem Flurförderzeug sichtbar ist.It is also useful if each additional camera on an upper, rear Section of the driver's cabin is attached. There are two ways to attach these cameras the rear pillars of the cab. The additional cameras get with it a perspective from an elevated location, from which the entire close range is visible behind the industrial truck.
Besondere Vorteile ergeben sich, wenn der Bildschirm innerhalb der Fahrerkabine, im Bereich des Beinraums für den Fahrer angeordnet ist. Der Bildschirm kann beispielsweise im vorderen Bereich der Fahrerkabine, zwischen den Beinen des Fahrers angeordnet sein. Der Bildschirm behindert somit nicht den Blick und den Zugriff auf Anzeige- und Bedienelemente im Bereich des Armaturenbretts.There are particular advantages if the screen inside the driver's cab, in the Area of the leg room is arranged for the driver. The screen can for example in the front area of the driver's cab, between the legs of the Be arranged driver. The screen does not obstruct the view and the Access to display and control elements in the area of the dashboard.
Vorteilhaft ist es, wenn das Flurförderzeug eine Lenkvorrichtung mit einem elektrischen Lenksignalgeber aufweist. Derartige Lenksignalgeber erfordern keine Lenksäule, welche eine Anordnung des Bildschirms im Bereich zwischen den Beinen des Fahrers verhindern würde.It is advantageous if the industrial truck has a steering device with an electric one Has steering signal transmitter. Such steering signal transmitters do not require a steering column, which is an arrangement of the screen in the area between the driver's legs would prevent.
Gemäß einer besonders zweckmäßigen Ausgestaltung ist der elektrische Lenksignalgeber im Bereich einer Armlehne eines Fahrersitzes angeordnet. Der gesamte Bauraum vor dem Fahrersitz steht somit für die Anordnung des Bildschirms zur Verfügung. Auch während einer Betätigung der Lenkung verhindert der Arm des Fahrers nicht den Blick auf den Bildschirm.According to a particularly useful embodiment, the electrical Steering signal generator arranged in the area of an armrest of a driver's seat. The The entire installation space in front of the driver's seat thus represents the arrangement of the screen to disposal. The arm of the Driver does not look at the screen.
Der Platzbedarf des Bildschirms kann auf ein Minimum reduziert werden, indem der Bildschirm als Flachbildschirm ausgebildet ist. The space requirement of the screen can be reduced to a minimum by using the Screen is designed as a flat screen.
Weitere Vorteile und Einzelheiten der Erfindung werden anhand des in der schematischen Figur dargestellten Ausführungsbeispiels näher erläutert.Further advantages and details of the invention are shown in the schematic figure illustrated embodiment explained in more detail.
Die Figur zeigt als erfindungsgemäßes Flurförderzeug einen Gabelstapler in
Draufsicht. Das Flurförderzeug steht mit zwei Vorderrädern 1 und zwei lenkbaren
Hinterrädern 2 auf einer Fahrbahn auf. Vor den Vorderrädern 1 befindet sich ein an
einem Hubgerüst 8 anhebbares Lastaufnahmemittel 9. Im Bereich der Hinterräder 2 ist
ein Heckgewicht 10 angeordnet. In einer Fahrerkabine 3 des Flurförderzeugs befindet
sich ein nach vorne orientierter Fahrersitz 4 und ein vor dem Fahrersitz 4 angeordnetes
Lenkrad 5. Im Beinraum des Fahrerplatzes befindet sich weiterhin ein Bildschirm 6, auf
dem wahlweise eines der mit den verschiedenen Kameras aufgenommenen Bilder
dargestellt wird.The figure shows a forklift as an industrial truck according to the invention
Top view. The truck is equipped with two front wheels 1 and two steerable
Rear
Eine erste Kamera 7 ist auf der Oberseite des Heckgewichts 10 befestigt und ist zur
Erfassung des Fernbereichs hinter dem Gabelstapler vorgesehen. Die Blickrichtung
der Kamera 7 kann fest eingestellt sein. Es ist jedoch ebenso möglich, für die Kamera
7 eine Schwenkvorrichtung vorzusehen, mit der der Blickwinkel der Kamera durch den
Fahrer mittels einer elektrischen Steuerung, oder automatisch, z.B. in Abhängigkeit
vom momentanen Lenkwinkel eingestellt werden kann.A
Erfindungsgemäß sind zwei zusätzliche Kameras 11 vorgesehen, mit denen der
Nahbereich, direkt hinter dem Gabelstapler und seitlich des Heckgewichts 10 erfaßt
werden kann. Die zusätzlichen Kameras 11 sind oben an der Fahrerkabine 3 befestigt,
der Blickwinkel dieser Kameras 11 ist schräg nach unten gerichtet.According to the invention, two
Im Bereich der Fahrerkabine ist eine Schaltvorrichtung angeordnet, mit der der Fahrer
wahlweise die Ansicht des Nahbereichs oder des Fernbereichs auf dem Bildschirm 6
darstellen kann. Bei der Ansicht des Nahbereichs auf dem Bildschirm werden die mit
den beiden zusätzlichen Kameras 11 erfaßten Bilder mittels eines Bildmischers
zusammengesetzt und teilweise überlagert, so daß sich für den Fahrer der Eindruck
eines mit einer einzigen Kamera aufgenommenen Bildes ergibt.In the area of the driver's cab there is a switching device with which the driver
alternatively the view of the close range or the far range on the screen 6
can represent. When viewing the close range on the screen, the with
the two
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10012525A DE10012525A1 (en) | 2000-03-15 | 2000-03-15 | Fork lift truck has rear view cameras for monitoring different ranges coupled to monitor screen positioned in line of sight of driver |
DE10012525 | 2000-03-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1136427A2 true EP1136427A2 (en) | 2001-09-26 |
EP1136427A3 EP1136427A3 (en) | 2003-06-04 |
EP1136427B1 EP1136427B1 (en) | 2005-05-11 |
Family
ID=7634758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01105828A Expired - Lifetime EP1136427B1 (en) | 2000-03-15 | 2001-03-08 | Industrial truck with a camera equipment |
Country Status (3)
Country | Link |
---|---|
US (1) | US7629996B2 (en) |
EP (1) | EP1136427B1 (en) |
DE (2) | DE10012525A1 (en) |
Cited By (1)
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DE102017220359A1 (en) | 2017-11-15 | 2019-05-16 | Vetter Industrie GmbH | Industrial truck with cameras arranged on lifting and lowering load handling devices |
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Also Published As
Publication number | Publication date |
---|---|
DE10012525A1 (en) | 2001-09-20 |
US20010022616A1 (en) | 2001-09-20 |
DE50106161D1 (en) | 2005-06-16 |
EP1136427A3 (en) | 2003-06-04 |
US7629996B2 (en) | 2009-12-08 |
EP1136427B1 (en) | 2005-05-11 |
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