EP3369697B1 - Industrial truck - Google Patents
Industrial truck Download PDFInfo
- Publication number
- EP3369697B1 EP3369697B1 EP18159625.5A EP18159625A EP3369697B1 EP 3369697 B1 EP3369697 B1 EP 3369697B1 EP 18159625 A EP18159625 A EP 18159625A EP 3369697 B1 EP3369697 B1 EP 3369697B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- driver
- industrial truck
- display
- image
- surrounding region
- 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.)
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Links
- 210000003128 head Anatomy 0.000 claims description 7
- 238000001454 recorded image Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
- B66F9/07545—Overhead guards
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- 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
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
Definitions
- the invention relates to an industrial truck with a mast, a driver's canopy with a driver's workplace for a driver and a vehicle body according to the preamble of patent claim 1.
- a rear vehicle contour ie a rear area of an industrial truck that has a trailer hitch
- this rear vehicle contour is covered by the counterweight of the industrial truck.
- Other critical areas that are not directly visible to the driver from his driver's workplace and are in the immediate vicinity of the industrial truck are, for example, the front wheels of the vehicle, which are covered by fenders, the fork carriage, the tips of the fork arms, which are attached to the Fork carriage are arranged, or side areas of the vehicle.
- Obstacles or objects that cross the path of the industrial truck or that are located in one of the above-mentioned surrounding areas that are difficult or not directly visible to the driver can therefore often not be recognized by the driver in good time or only too late.
- the risk of a collision due to a delay in braking by the driver of the industrial truck, even if the driving style is adapted, cannot be completely ruled out.
- Solutions known in the prior art often provide for the use of sensors which are intended to warn the driver in good time of an imminent collision of the industrial truck he is steering with an object or obstacle.
- the subsequent installation of such sensors in existing industrial trucks is often associated with additional technical and thus financial expenditure.
- the use of such sensors does not improve the driver's direct or immediate view of these critical environmental areas in the vicinity of the industrial truck.
- the driver's poor or insufficient view of critical areas from his driver's workplace of the industrial truck therefore results not only in possible collisions with objects in these areas but also damage to the vehicle itself, the environment and the load to be transported.
- the driver often has to drive slowly and particularly carefully because potential collision points in these critical surrounding areas are not directly visible to him. This reduces the goods handling performance and leads to an increase in costs for the operator of the vehicle.
- the EP 0 254 192 A1 discloses an industrial truck in which cameras record images of areas hidden from the driver's field of vision, which are displayed to the driver of the industrial truck on one or more monitors. Two cameras can be arranged at the same height and at a distance from one another, so that the distance of an object can be calculated in a computer by virtual overlapping of the two camera images and this calculated distance can be displayed to the driver.
- the EP 0 254 192 A1 discloses the preamble of claim 1.
- the JP 2015 174705 A discloses an industrial truck in which a camera is arranged so that it can pivot about a pivot axis and pivots as a function of the lifting height of the forks, so that the camera is directed at the forks at every lifting height.
- the camera image supplied by the camera is overlaid with a virtual and stored fork image and an image composed of camera image A and the virtual fork image B is shown to the driver on a head-up display.
- the UK 2 460 326 A1 discloses an industrial truck that can be remotely controlled with a mobile device.
- the mobile device has a display on which the operating elements of the industrial truck can be shown.
- the industrial truck can have a camera whose camera images can be shown on the display of the mobile device.
- the present invention is therefore based on the object of further developing an industrial truck in such a way that a driver in his driver's workplace of the industrial truck has a direct and therefore unrestricted view of the surrounding areas in the vicinity of the industrial truck, which are otherwise covered for him or are very difficult to see.
- Another task is to reduce the risk of the industrial truck colliding in areas that are difficult to see and thus avoid damage to the vehicle, the surroundings and the load to be transported.
- the industrial truck is provided with a mast, a driver's canopy with a driver's workplace for a driver and a vehicle body, and includes a display device and a recording device for recording an image of an area covered by the industrial truck, which is covered by the driver's workplace cannot be seen immediately or directly by the driver present, with the display device being able to be electronically connected to the recording device and with the display device also being designed to display the surrounding area recorded by the recording device in such a way that a virtual viewing channel can be generated through the industrial truck, through which the Drivers located in the driver's workplace is enabled to look into the surrounding area covered by the industrial truck, with the direction of the virtual viewing channel is essentially congruent with the direction in which the driver is looking at the surrounding area covered by the industrial truck, and an image processing device is provided which is designed to convert the image of the surrounding area recorded by the recording device for the driver in the overhead guard from a perspective specific to the recording device into a to convert driver-specific perspective for the driver located in the overhead guard,
- the industrial truck according to the invention comprises a recording device which records an image of a surrounding area covered by the industrial truck and this recorded image is displayed on a display device for a driver in the driver's workplace in such a way that a virtual visual channel is created for the driver is generated.
- This virtual viewing channel gives the driver the impression that he would have a direct view of the actual covered area from his driver's seat.
- the industrial truck according to the invention achieves the advantage that the driver at his driver's workplace of the industrial truck can use the generated virtual viewing channel to directly see a surrounding area that is difficult or impossible to see directly from his driver's perspective. As a result, collisions of the vehicle with objects located in this surrounding area, which was previously difficult to see, can be significantly reduced.
- a further advantage of the industrial truck according to the invention is that the stress on the driver when operating the industrial truck is reduced, since he can work in a more relaxed manner thanks to a now improved view of possible collision points in critical surrounding areas near the industrial truck and has less fear of accidents .
- the driver of the industrial truck according to the invention is also relieved from an ergonomic point of view, since he no longer needs to go into an unnatural sitting or holding position that puts a strain on his body to operate the industrial truck for an improved view of possible collision points.
- a further advantage of the industrial truck according to the invention is that a driver can process transport orders more quickly and more effectively, because from the perspective of his driver's workplace he can now see previously hidden areas in the vicinity of his vehicle directly via the virtual viewing channel, he has to Do not move the vehicle slower than necessary.
- the direction of the virtual viewing channel is essentially congruent with the driver's viewing direction of the surrounding area.
- This has the advantage that the driver can look directly at a concealed field of vision, which is also referred to as the surrounding area, without the driver having to assume an unnatural position or posture within his driver's workplace - also and especially during vehicle operation - in order to to get a good view of the surrounding area near the industrial truck that is of interest to him.
- the display device is therefore arranged in the driver's direction of view of the covered surrounding area and the covered surrounding area is displayed for the driver in a perspective directed towards the covered surrounding area.
- an image processing device is also provided, which is designed to convert an image recorded by the recording device of an area surrounding the driver in the overhead guard from a perspective specific to the recording device into a driver-specific perspective for the driver in the overhead guard, which is displayed in the display device is representable.
- the display device can be aligned substantially perpendicular to the direction of the virtual viewing channel.
- the recording device for generating an image of the surrounding area can be attached to the mast and/or to the driver's overhead guard and/or to the vehicle body. This achieves the advantage that the surrounding area to be observed by the driver in the driver's workplace in the vicinity of the industrial truck, which he would like to see directly, can be adjusted as a function of the position of the recording device.
- the recording device for generating a virtual visual channel to the surrounding area can be attached to the mast in the area of a load handling device.
- This has the advantage that, for example, an area around the fork carriage or the tips of the fork tines arranged on the fork carriage can be recorded and can be viewed directly and in real time by the driver in his driver's workplace, especially during vehicle operation. In this way, the driver can align his vehicle and its position more precisely and quickly.
- the display device is arranged on a front console of the overhead guard.
- This achieves the advantage that the driver can look from his driver's workplace directly into the surrounding area to be observed in the area of the load handling device, ie a front area of the industrial truck.
- the driver's view of the display device thus corresponds to his natural direction of view of the surrounding area in question if this were not covered.
- the driver does not have to look at a display device that is located at a different position than the position of the surrounding area to be observed. This gives the driver the impression that he is sitting in front of a so-called transparent cockpit of the industrial truck.
- the front console which covers the driver's direct view of the area of the load handling device, becomes transparent for the driver.
- the recording device for generating a virtual visual channel to the surrounding area which is covered by a fender of the industrial truck and/or a tire of the industrial truck, is attached to the overhead guard or to the vehicle body.
- This achieves the advantage that the driver receives an image of the surrounding area, which he cannot otherwise see directly from his driver's workplace.
- the areas around the tires of the industrial truck can be critical areas, and collisions can be avoided by observing and understanding them.
- the display device is arranged on the overhead guard. This achieves the advantage that a surrounding area which the driver cannot see directly from his driver's workplace is displayed to the driver via the virtual viewing channel.
- the arrangement of the display device on the overhead guard thus corresponds to a natural line of sight of the driver at the driver's workplace to the surrounding area in question, which the driver would also look at directly without the display device if it were not covered.
- the recording device for generating a virtual visual channel to a surrounding area can be attached below the industrial truck.
- This achieves the advantage that the driver receives an image of a surrounding area at his driver's workplace, which is at least partially under the industrial truck, without the driver having to move from his original position on the driver's workplace, in particular during vehicle operation, or a has to adopt an unnatural posture for him.
- the recording device for generating a virtual visual channel to a surrounding area which is located in a rear area of the industrial truck, Can be attached to the rear of the industrial truck or to the driver's overhead guard or to the vehicle body of the industrial truck. This achieves the advantage that the driver at his driver's workplace receives an image of the rear area of the vehicle, which is normally covered by the counterweight of the vehicle, particularly when the vehicle is moving backwards.
- the display device is arranged in a rear area of the industrial truck or on a rear area of the driver's overhead guard. This achieves the advantage that the driver at his driver's workplace by changing his posture or his position, in particular when the vehicle is moving backwards, by looking at the display device looks directly into the rear area of the vehicle, which is normally covered by the counterweight of the vehicle is covered. The driver's view of the display device thus corresponds to his natural line of sight into the rear area if this were not covered.
- the rear area of the industrial truck has a trailer hitch. This achieves the advantage that the trailer hitch, which is otherwise hidden, can be viewed directly by the driver at his driver's workplace through the virtual viewing channel in this area, given a corresponding arrangement of the recording device.
- the image or part of the image of a surrounding area recorded by the recording device can be transmitted to the display device at least partially in real time and/or as a recording stored in a storage device of the industrial truck.
- the display device is designed to display an image of a plurality of environmental regions at the same time.
- the recording device comprises at least one camera which is designed to record at least one surrounding area. This achieves the advantage that an image of the surrounding area to be observed can be recorded electronically in order to generate a virtual viewing channel of this surrounding area for further processing of the image recorded by the camera.
- the display device comprises at least one display. This achieves the advantage that the image of a surrounding area recorded by the recording device is displayed for the driver.
- the display device comprises a first display and at least one additional display, and the first display and/or the at least additional display is designed to display at least one surrounding area.
- the first display and/or the at least additional display is designed to display additional vehicle information.
- Additional vehicle information can, for example, show the truck's vehicle speed, charge level, warnings, alarms, load charts or updated routes. As a result, the efficiency of transport processing and also its processing speed can be increased.
- the driver-specific perspective in the display device can be manually adjusted by the driver in the vehicle protective roof using an operating element in the industrial truck, which can be electronically connected to the image processing device.
- a sensor device which is designed to determine a position of a driver's head or the eyes of a driver located in the overhead guard, so that the driver-specific perspective can be displayed on the display device depending on this position of the driver's head or the eyes.
- the figure 1 shows a side view of an industrial truck 1 according to the invention with a mast 2, an overhead guard 3 with a driver's workplace 4 for a driver 12 and a vehicle body 5.
- the industrial truck comprises a display device 6, which includes at least one display 22, and a recording device 7, which is at least a camera 21 can be formed, and the display device 6 can be electronically connected to the recording device 7 .
- the display device 6 is also designed to display the surrounding area 8 recorded by the recording device 7 in such a way that a virtual viewing channel 9 can be generated through the industrial truck 1, through which the driver 12 located in the driver's workplace 4 is enabled to view the area from the industrial truck 1 covert surrounding area 8 to look.
- the one in the figure 1 Illustrated embodiment of the industrial truck 1 comprises a display device 6 in a front area 26, which is located on the side of the mast 2. Furthermore, a display device 6 can be arranged in a rear area 18 of the industrial truck 1 . That in the figure 1
- the industrial truck 1 shown also includes a recording device 7a, which is arranged in the front area 26 in order to record an image of a surrounding area 8 that is covered by the industrial truck 1 and that cannot be directly or directly viewed by the driver 12 located at the driver's workplace 4.
- a further recording device 7b which is arranged in the rear area 18 of the industrial truck 1, in order to record an image of an area 8 covered by the industrial truck 1, which is not immediately or directly visible to the driver 12 located at the driver's workplace 4.
- the direction of the figure 1 The virtual viewing channel 9 shown is essentially congruent with the direction in which the driver 12 is looking at the surrounding area 8. From FIG figure 1 it can also be shown that the display device 6 is aligned essentially perpendicular to the direction of the virtual viewing channel 9 .
- FIG 1 Various examples are shown at which positions within the industrial truck 1 the recording device 7 can be attached in order to generate images of different environmental areas 8 in the vicinity of the industrial truck 1 .
- a receiving device 7a is attached to the mast 2, the mast 2 being designed as part of a load handling device 13.
- the load handling device 13 can also include the fork carriage or the fork tips of the fork tines.
- a receiving device 7 can also be attached to each of these elements (not shown in the figure). figure 1 shown).
- a further receiving device 7b is arranged on the vehicle body 5 and a further receiving device 7c is arranged on the overhead guard 3 or the vehicle body 5 .
- the recording device 7 for generating a virtual viewing channel 9 to a surrounding area 8, which is at least partially below the industrial truck 1, can also be attached below the industrial truck 1.
- the rear area 18 of the industrial truck 1 can have a trailer hitch 19, which the driver 12 can look at through a corresponding virtual viewing channel 9, which enables a direct view of this area.
- the industrial truck 1 can therefore also have a large number of receiving devices 7 which are arranged at different positions inside the industrial truck 1 .
- Display devices 6 are installed at the different positions within the industrial truck 1 to display the images of the various surrounding areas 8 produced by the individual recording devices 7 .
- the figure 1 shows relevant examples.
- a display 22a is arranged on a front console 17 on the overhead guard 3 in order to enable the driver 12 at the driver's workplace 4 to have a direct view of a surrounding area 8 which is covered by the front console 17 .
- Another display 22b can be arranged in the driver's workplace behind the driver's seat 28 in order to enable the driver 12 in the driver's workplace 4 to have a direct view of a surrounding area 8 which is covered by the rear area 18 of the industrial truck.
- Another display 22c can be arranged in the leg area of the driver's workplace in order to give the driver 12 in the driver's workplace 4 a direct view of a surrounding area 8 which is covered by a fender 15 of the industrial truck 1 and/or a tire 16 of the industrial truck 1.
- the display device 6 can also be attached directly to the driver's overhead guard 3 or to the vehicle body 5 .
- a corresponding camera 7a can be arranged in an area of the load handling device 13 or on the mast 2 in order to be able to record a corresponding image of the area of the load handling device 13 .
- the associated display 22a of the display device 6, on which the driver 13 then looks directly, which displays the recorded image of the area of the load handling device 13, is then preferably attached to the front console 17.
- the driver 12 wants to take a direct look at the trailer hitch 19 of the industrial truck 1, then it makes sense to have a corresponding display device 6b, as in FIG figure 1 shown to be arranged in the rear area 18 of the industrial truck or on a rear area of the driver's overhead guard 3 so that a corresponding virtual viewing channel 9 allows the driver 12 at his driver's workplace 4 to have a direct view of the trailer hitch 19 .
- the associated display 22b of the display device 6 is then preferably, as in the figure 1 shown, arranged diagonally behind a driver's seat 28 in the overhead guard 3 .
- a corresponding camera 7c can be arranged in an area of the overhead guard 3 in order to be able to record a corresponding image of this area.
- the associated display 22c of the display device 6, on which the driver 13 then looks directly, which displays the recorded image of the area around the fender 15 or the wheel 16, is then preferably mounted in a corresponding area of the overhead guard 3, as in FIG figure 1 shown.
- the display device 6 can also be designed to display an image or multiple images of several surrounding areas 8 at the same time, the perspective of which can also be supplemented to form an overall picture, so that the driver 12 is offered a so-called 360° all-round perspective of an otherwise covered surrounding area 8.
- the image or part of the image of a surrounding area 8 recorded by the recording device 7 can be transmitted to the display device 6 at least partially in real time and/or as a recording stored in a storage device 20 of the industrial truck 1 .
- the driver 12 can always be offered a number of current images of environmental regions 8 to which he can react accordingly by adapting his driving behavior.
- a display device 6 which includes a first display 22a, which is in the figure 1 is arranged in the front area 26 of the industrial truck 1 .
- Another display 22b of the display device 6 is in FIG figure 1 arranged in the rear area 18 of the industrial truck 1 .
- Another display 22c of the display device 6 can be arranged inside the driver's workplace 4 .
- the first display 22a and/or the further display 22b or 22c can be designed to display additional vehicle information, for example warnings, changed transport routes, alarms or load diagrams.
- an image processing device 23 may be provided, which is designed to convert an image of an area 8 recorded by recording device 7 for the driver 12 located in overhead guard 3 from a perspective specific to recording device 7 into a driver-specific perspective for driver 12 located in overhead guard 3 to convert, which can be displayed in the display device 6.
- the driver 12 is given the impression that he is looking directly and straight through the component of the industrial truck 1 that covers a surrounding area 8 .
- This driver-specific perspective therefore offers the driver 12 a quasi-natural but emulated view of a concealed surrounding area 8 .
- This driver-specific perspective in the display device 6 can be set manually by the driver 12 in the vehicle protective roof 3 using an operating element 24 in the industrial truck 1, which can be electronically connected to the image processing device 23.
- the vehicle 1 can be used by different drivers, who can set the driver-specific perspective that is suitable for them and their body size to their requirements.
- a sensor device 25 which can be provided in the industrial truck 1, can automatically determine the position of a driver's head or the eyes of a driver 12 located in the overhead guard 3, so that the driver-specific perspective is displayed on the display device as a function of this recorded position of the driver's head or eyes 6 can be displayed and is therefore also individually adjustable.
- Such settings can be stored for different drivers in the form of driver profiles, for example in the storage device 20 .
- the respective driver profiles can then be loaded by the respective driver when there is a driver change, so that he can put the vehicle into operation without delay and carry out his transport order quickly.
- the virtual viewing channel 9 and the corresponding window to the fork carriage of the truck 1, which is also referred to as the load handling device 13 and is normally covered by the front panel 17, could, for example, as by the collision point B in the figure 1 shown by a camera 7a on the mast 2, as in FIG figure 1 shown, and a display 22a on the front panel 17 are realized.
- the collision point C on the fender 15 and the front tires 16, which are normally covered by the A-pillar of the driver's overhead guard 3 and any doors (not shown), could be, for example, by corresponding cameras 7c on the fenders 15 and displays 22c on the front panel of the industrial truck 1 can be made visible or directly visible to the driver 12 via a virtual viewing channel 9 .
- a number of critical external areas ie environmental areas 8 can be shown on a display 21 by dividing the display or by switching the display.
- the right and left fenders can be shown on one display.
- the advantages of the industrial truck 1 according to the invention with one or more virtual viewing channels 9 for direct viewing of covered surrounding areas 8 are increased safety, a reduction in the frequency and severity of accidents, avoidance of cargo damage, improved working conditions for the driver 12, less stress on the Driver 12 and a higher throughput of transported goods with industrial truck 1.
- a further advantage is that the driver 12 can assess the critical areas through the virtual viewing channel 9 and the corresponding window, and at the same time, because the display 22 is mounted in the direction of the critical area, can perceive the rest of the environment. This becomes particularly clear when looking at the trailer hitch 19 and the end of the vehicle, because the driver can assess both the critical close-up area on the display 22b and the rest of the rear area through the rear window by looking over his shoulder. The driver 12 is therefore not forced to look ahead, although he would like to reverse.
- the present invention is not limited to counterbalanced forklift trucks, but can be applied to all industrial trucks in which the driver's view of components of the industrial truck 1 is blocked.
- the so-called transparent cockpit of the industrial truck 1 means in the context of the present invention that cameras record a view of the areas of the exterior of the industrial truck 1 that are covered by components of the industrial truck such as the driver's overhead guard 3, fork carriage, counterweight 27, front panel, Panels, doors (not in the figure 1 shown) are covered.
- Correspondingly arranged displays inside the industrial truck 1 show perspectively corrected camera views and in this way give the driver 12 of the industrial truck 1 the impression of being able to see important parts of the vehicle contour through so-called windows in the cockpit of the industrial truck 1 .
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
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- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Closed-Circuit Television Systems (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
Die Erfindung betrifft ein Flurförderzeug mit einem Hubgerüst, einem Fahrerschutzdach mit einem Fahrerarbeitsplatz für einen Fahrer und einem Fahrzeugkörper gemäß Oberbegriff des Patentanspruchs 1.The invention relates to an industrial truck with a mast, a driver's canopy with a driver's workplace for a driver and a vehicle body according to the preamble of
Flurförderzeuge sind mit ihrem Hubgerüst dazu ausgelegt, Lasten zu transportieren. Das Hubgerüst und ein Lastaufnahmemittel des Hubgerüsts sowie eine gegebenenfalls mit dem Hubgerüst aufgenommene Last führen jedoch zu Einschränkungen der Sicht des im Fahrerarbeitsplatz befindlichen Fahrers, da das Hubgerüst bzw. das Lastaufnahmemittel und eine gegebenenfalls aufgenommene Last einem Fahrer, der für gewöhnlich an seinem Fahrerarbeitsplatz sitzt und welcher sich in der Regel unmittelbar hinter dem Hubgerüst und dem Lastaufnahmemittel befindet, eine freie und direkte Sicht auf dem vor dem Fahrzeug liegenden Fahrweg oder den zu fahrenden Transportweg nehmen oder zumindest stark einschränken, auf welchem sich das Flurförderzeug entlangbewegt. Zusätzlich gibt es aus der Perspektive des Fahrers von seinem Fahrerarbeitsplatz aus betrachtet, Umgebungsbereiche, die sich in einer unmittelbaren Nähe des Flurförderzeugs befinden und die für diesen Fahrer nur schwer oder gar nicht direkt einsehbar sind. Neben diesen schwer einsehbaren Umgebungsbereichen sind es aber auch Teile der Fahrzeugkontur des Flurförderzeugs selbst, die für den Fahrer auf seinem Fahrerarbeitsplatz nicht direkt einsehbar sind, weil diese durch Komponenten des Fahrerschutzdaches oder des Fahrzeugs verdeckt werden.Industrial trucks are designed with their mast to transport loads. However, the mast and a load-carrying device of the mast and any load picked up by the mast lead to restrictions in the driver's view located in the driver's workplace, since the mast or the load-carrying device and any load picked up by a driver who usually sits at his driver's workplace and which is usually located immediately behind the mast and the load handling device, take away or at least severely restrict a free and direct view of the route in front of the vehicle or the transport route to be traveled along which the industrial truck is moving. In addition, from the perspective of the driver from his driver's workplace, there are surrounding areas that are in the immediate vicinity of the industrial truck and that are difficult or impossible for the driver to see directly. In addition to these surrounding areas that are difficult to see, there are also parts of the vehicle contour of the industrial truck itself that the driver cannot see directly from his driver's workplace because they are covered by components of the driver's overhead guard or the vehicle.
So lässt sich zum Beispiel eine hintere Fahrzeugkontur, also ein Heckbereich eines Flurförderzeugs, welche über eine Anhängerkupplung verfügt, von einem Fahrer nicht direkt einsehen, da diese hintere Fahrzeugkontur von dem Gegengewicht des Flurförderzeugs verdeckt ist. Andere kritische Umgebungsbereiche, die für den Fahrer auf seinem Fahrerarbeitsplatz nicht direkt einsehbar sind und sich in der unmittelbaren Nähe des Flurförderzeugs befinden, sind zum Beispiel die Vorderräder des Fahrzeugs, die durch Kotflügel verdeckt sein, der Gabelträger, die Spitzen vom Gabelzinken, die an dem Gabelträger angeordnet sind, oder Seitenbereiche des Fahrzeugs.For example, a rear vehicle contour, ie a rear area of an industrial truck that has a trailer hitch, cannot be seen directly by a driver because this rear vehicle contour is covered by the counterweight of the industrial truck. Other critical areas that are not directly visible to the driver from his driver's workplace and are in the immediate vicinity of the industrial truck are, for example, the front wheels of the vehicle, which are covered by fenders, the fork carriage, the tips of the fork arms, which are attached to the Fork carriage are arranged, or side areas of the vehicle.
Hindernisse oder Objekte, die den Weg des Flurförderzeugs kreuzen oder die sich in einem der zuvor genannten für den Fahrer schwer oder nicht direkt einsehbaren Umgebungsbereich befinden, können deshalb von dem Fahrer oftmals nicht rechtzeitig oder nur spät erkannt werden. Die Gefahr einer Kollision aufgrund eines verspätet eingeleiteten Abbremsmanövers durch den Fahrer des Flurförderzeugs, selbst bei einer angepassten Fahrweise, lässt sich deshalb nicht völlig ausschließen.Obstacles or objects that cross the path of the industrial truck or that are located in one of the above-mentioned surrounding areas that are difficult or not directly visible to the driver can therefore often not be recognized by the driver in good time or only too late. The risk of a collision due to a delay in braking by the driver of the industrial truck, even if the driving style is adapted, cannot be completely ruled out.
Im Stand der Technik bekannte Lösungen sehen oftmals den Einsatz von Sensoren vor, die den Fahrer bei einer bevorstehenden Kollision des von ihm gelenkten Flurförderzeugs mit einem Objekt oder Hindernis rechtzeitig warnen sollen. Der nachträgliche Einbau derartiger Sensoren in bestehende Flurförderzeuge ist jedoch oftmals mit einem technischen und damit finanziellen Mehraufwand verbunden. Zudem verbessert der Einsatz derartiger Sensoren nicht die direkte oder unmittelbare Sicht des Fahrers auf diese kritischen Umgebungsbereiche in der Nähe des Flurförderzeugs. Die schlechte oder unzureichende Sicht des Fahrers von seinem Fahrerarbeitsplatz des Flurförderzeugs auf kritische Umgebungsbereiche hat deshalb neben möglichen Kollisionen mit Objekten in diesen Umgebungsbereichen auch Schäden für das Fahrzeug selbst, der Umgebung und der zu transportierenden Ladung zur Folge. Außerdem muss der Fahrer häufig langsam und besonders vorsichtig fahren, weil potentielle Kollisionsstellen in diesen kritischen Umgebungsbereichen von diesem nicht direkt einsehbar sind. Dies reduziert die Warenumschlagsleistung und führt zu einer Kostenerhöhung bei dem Betreiber des Fahrzeugs.Solutions known in the prior art often provide for the use of sensors which are intended to warn the driver in good time of an imminent collision of the industrial truck he is steering with an object or obstacle. However, the subsequent installation of such sensors in existing industrial trucks is often associated with additional technical and thus financial expenditure. In addition, the use of such sensors does not improve the driver's direct or immediate view of these critical environmental areas in the vicinity of the industrial truck. The driver's poor or insufficient view of critical areas from his driver's workplace of the industrial truck therefore results not only in possible collisions with objects in these areas but also damage to the vehicle itself, the environment and the load to be transported. In addition, the driver often has to drive slowly and particularly carefully because potential collision points in these critical surrounding areas are not directly visible to him. This reduces the goods handling performance and leads to an increase in costs for the operator of the vehicle.
Die
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Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, ein Flurförderzeug derart weiterzubilden, dass ein Fahrer auf seinem Fahrerarbeitsplatz des Flurförderzeugs eine direkte und damit uneingeschränkte Sicht auf Umgebungsbereiche in der Nähe des Flurförderzeugs erhält, die für ihn sonst verdeckt oder nur sehr schwer einsehbar sind. Eine weitere Aufgabe besteht außerdem darin, die Gefahr von Kollisionen des Flurförderzeugs in schwer einsehbaren Umgebungsbereichen zu reduzieren und damit Schäden für das Fahrzeug, die Umgebung und die zu transportierende Last zu vermeiden.The present invention is therefore based on the object of further developing an industrial truck in such a way that a driver in his driver's workplace of the industrial truck has a direct and therefore unrestricted view of the surrounding areas in the vicinity of the industrial truck, which are otherwise covered for him or are very difficult to see. Another task is to reduce the risk of the industrial truck colliding in areas that are difficult to see and thus avoid damage to the vehicle, the surroundings and the load to be transported.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass das Flurförderzeug mit einem Hubgerüst, einem Fahrerschutzdach mit einem Fahrerarbeitsplatz für einen Fahrer und einem Fahrzeugkörper versehen ist und eine Anzeigevorrichtung und eine Aufnahmevorrichtung zur Aufnahme eines Abbildes eines von dem Flurförderzeug verdeckten Umgebungsbereiches umfasst, der von dem am Fahrerarbeitsplatz befindlichen Fahrer nicht unmittelbar oder direkt einsehbar ist, wobei die Anzeigevorrichtung mit der Aufnahmevorrichtung elektronisch verbindbar ist und wobei die Anzeigevorrichtung ferner ausgebildet ist, den von der Aufnahmevorrichtung aufgenommenen Umgebungsbereich derart anzuzeigen, dass ein virtueller Sichtkanal durch das Flurförderzeug hindurch erzeugbar ist, durch welchen es dem im Fahrerarbeitsplatz befindlichen Fahrer ermöglicht wird, in dem von dem Flurförderzeug verdeckten Umgebungsbereich zu blicken, wobei die Richtung des virtuellen Sichtkanals im Wesentlichen deckungsgleich zu der Blickrichtung des Fahrers auf den von dem Flurförderzeug verdeckten Umgebungsbereich ist und wobei eine Bildverarbeitungseinrichtung vorgesehen ist, welche ausgebildet ist, das von der Aufnahmevorrichtung aufgenommenes Abbild des Umgebungsbereiches für den im Fahrerschutzdach befindlichen Fahrer von einer der Aufnahmevorrichtung spezifischen Perspektive in eine für den im Fahrerschutzdach befindlichen Fahrer fahrerspezifischen Perspektive umzurechnen, welche in der Anzeigevorrichtung dargestellt wird.This object is achieved according to the invention in that the industrial truck is provided with a mast, a driver's canopy with a driver's workplace for a driver and a vehicle body, and includes a display device and a recording device for recording an image of an area covered by the industrial truck, which is covered by the driver's workplace cannot be seen immediately or directly by the driver present, with the display device being able to be electronically connected to the recording device and with the display device also being designed to display the surrounding area recorded by the recording device in such a way that a virtual viewing channel can be generated through the industrial truck, through which the Drivers located in the driver's workplace is enabled to look into the surrounding area covered by the industrial truck, with the direction of the virtual viewing channel is essentially congruent with the direction in which the driver is looking at the surrounding area covered by the industrial truck, and an image processing device is provided which is designed to convert the image of the surrounding area recorded by the recording device for the driver in the overhead guard from a perspective specific to the recording device into a to convert driver-specific perspective for the driver located in the overhead guard, which is displayed in the display device.
Der erfindungsgemäße Gedanke der vorliegenden Erfindung besteht darin, dass das erfindungsgemäßen Flurförderzeug eine Aufnahmevorrichtung umfasst, welche ein Abbild eines von dem Flurförderzeugs verdeckten Umgebungsbereiches aufnimmt und wobei dieses aufgenommene Abbild auf einer Anzeigevorrichtung für einen Fahrer im Fahrerarbeitsplatz derart angezeigt wird, dass dadurch ein virtueller Sichtkanal für den Fahrer erzeugt wird. Durch diesen virtuellen Sichtkanal wird bei dem Fahrer der Eindruck erzeugt, als würde er von seinem Fahrerarbeitssitzplatz aus eine direkte Sicht auf den eigentlichen verdeckten Umgebungsbereich haben.The idea of the present invention according to the invention is that the industrial truck according to the invention comprises a recording device which records an image of a surrounding area covered by the industrial truck and this recorded image is displayed on a display device for a driver in the driver's workplace in such a way that a virtual visual channel is created for the driver is generated. This virtual viewing channel gives the driver the impression that he would have a direct view of the actual covered area from his driver's seat.
Durch das erfindungsgemäße Flurförderzeug wird der Vorteil erzielt, dass der Fahrer auf seinem Fahrerarbeitsplatz des Flurförderzeugs mit Hilfe des erzeugten virtuellen Sichtkanals einen für ihn aus seiner Fahrerperspektive schwer oder gar nicht direkt einsehbaren Umgebungsbereich direkt einsehen kann. Dadurch können Kollisionen des Fahrzeugs mit in diesem bislang nur schwer einsehbaren Umgebungsbereich befindlichen Objekten deutlich reduziert werden.The industrial truck according to the invention achieves the advantage that the driver at his driver's workplace of the industrial truck can use the generated virtual viewing channel to directly see a surrounding area that is difficult or impossible to see directly from his driver's perspective. As a result, collisions of the vehicle with objects located in this surrounding area, which was previously difficult to see, can be significantly reduced.
Ein weiterer Vorteil des erfindungsgemäßen Flurförderzeugs besteht darin, dass die Belastung des Fahrers bei dem Betrieb des Flurförderzeugs reduziert wird, da dieser durch eine nun verbesserte Sicht auf mögliche Kollisionsstellen in kritischen Umgebungsbereiche in der Nähe des Flurförderzeugs entspannter arbeiten kann und weniger Angst vor Unfällen haben muss. Auch unter ergonomischen Gesichtspunkten wird der Fahrer des erfindungsgemäßen Flurförderzeugs entlastet, da sich dieser für eine verbesserte Sicht auf mögliche Kollisionsstellen nicht mehr in eine unnatürliche und für seinen Körper belastende Sitz- oder Halteposition für den Betrieb des Flurförderzeugs zu begeben braucht.A further advantage of the industrial truck according to the invention is that the stress on the driver when operating the industrial truck is reduced, since he can work in a more relaxed manner thanks to a now improved view of possible collision points in critical surrounding areas near the industrial truck and has less fear of accidents . The driver of the industrial truck according to the invention is also relieved from an ergonomic point of view, since he no longer needs to go into an unnatural sitting or holding position that puts a strain on his body to operate the industrial truck for an improved view of possible collision points.
Ein weiterer Vorteil des erfindungsgemäßen Flurförderzeugs besteht darin, dass ein Fahrer Transportaufträge in einer schnelleren Zeit und effektiver abwickeln kann, denn da er aus der Perspektive seines Fahrerarbeitsplatzes bislang verdeckte Umgebungsbereiche in der Nähe seines Fahrzeugs nun direkt über den virtuellen Sichtkanal einsehen kann, muss er das Fahrzeug nicht langsamer als erforderlich bewegen.A further advantage of the industrial truck according to the invention is that a driver can process transport orders more quickly and more effectively, because from the perspective of his driver's workplace he can now see previously hidden areas in the vicinity of his vehicle directly via the virtual viewing channel, he has to Do not move the vehicle slower than necessary.
Gemäß der vorliegenden Erfindung ist die Richtung des virtuellen Sichtkanals im Wesentlichen deckungsgleich zu der Blickrichtung des Fahrers auf den Umgebungsbereich. Dadurch wird der Vorteil erreicht, dass der Fahrer direkt auf einen verdeckten Sichtbereich, der auch als Umgebungsbereich bezeichnet wird, blicken kann, ohne dass der Fahrer - auch und insbesondere während des Fahrzeugbetriebes - eine unnatürliche Position oder Körperhaltung innerhalb seines Fahrerarbeitsplatzes einnehmen muss, um eine für ihn gute Sicht auf den ihn interessierenden Umgebungsbereich in der Nähe des Flurförderzeugs zu erhalten. Bei dem erfindungsgemäßen Flurförderzeug ist somit die Anzeigevorrichtung in Blickrichtung des Fahrers auf den verdeckten Umgebungsbereich angeordnet und die Darstellung des verdeckten Umgebungsbereichs erfolgt für den Fahrer in einer auf den verdeckten Umgebungsbereich gerichteten Perspektive.According to the present invention, the direction of the virtual viewing channel is essentially congruent with the driver's viewing direction of the surrounding area. This has the advantage that the driver can look directly at a concealed field of vision, which is also referred to as the surrounding area, without the driver having to assume an unnatural position or posture within his driver's workplace - also and especially during vehicle operation - in order to to get a good view of the surrounding area near the industrial truck that is of interest to him. In the industrial truck according to the invention, the display device is therefore arranged in the driver's direction of view of the covered surrounding area and the covered surrounding area is displayed for the driver in a perspective directed towards the covered surrounding area.
Gemäß der vorliegenden Erfindung ist weiterhin eine Bildverarbeitungseinrichtung vorgesehen, welche ausgebildet ist, ein von der Aufnahmevorrichtung aufgenommenes Abbild eines Umgebungsbereiches für den im Fahrerschutzdach befindlichen Fahrer von einer der Aufnahmevorrichtung spezifischen Perspektive in eine für den im Fahrerschutzdach befindlichen Fahrer fahrerspezifischen Perspektive umzurechnen, welche in der Anzeigevorrichtung darstellbar ist. Dadurch wird der Vorteil erreicht, dass der Fahrer eine möglichst realitätsgetreue Darstellung des aufgenommenen Abbildes des über den virtuellen Sichtkanal einzusehenden Umgebungsbereiches erhält. Der Fahrer erhält also eine Darstellung des aufgenommenen Abbildes, welchem einem Bild entsprechen würde, wenn er direkt auf den nicht verdeckten Umgebungsbereich blicken würde.According to the present invention, an image processing device is also provided, which is designed to convert an image recorded by the recording device of an area surrounding the driver in the overhead guard from a perspective specific to the recording device into a driver-specific perspective for the driver in the overhead guard, which is displayed in the display device is representable. This achieves the advantage that the driver receives a representation of the recorded image of the surrounding area to be viewed via the virtual viewing channel that is as realistic as possible. The driver thus receives a representation of the recorded image, which would correspond to an image if he were to look directly at the surrounding area that is not covered.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Anzeigevorrichtung im Wesentlichen senkrecht zur Richtung des virtuellen Sichtkanals ausrichtbar. Dadurch wird der Vorteil erreicht, dass der Fahrer im Fahrerarbeitsplatz direkt auf einen ihn interessierenden Umgebungsbereich oder Sichtbereich blicken kann, ohne dass er dazu eine neue oder unnatürliche und für ihn unbequeme Körperhaltung einnehmen muss, die ihn zusätzlich oder unnötig belastet und ihn damit auch von den Aufgaben zum sicheren Betrieb des Flurförderzeugs ablenkt.According to an embodiment of the present invention, the display device can be aligned substantially perpendicular to the direction of the virtual viewing channel. This has the advantage that the driver is directly in the driver's workplace can look at a surrounding area or field of view that interests him without having to assume a new or unnatural and uncomfortable posture that causes additional or unnecessary stress and thus also distracts him from the task of safe operation of the industrial truck.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Aufnahmevorrichtung zur Erzeugung eines Abbildes des Umgebungsbereiches an dem Hubgerüst und / oder an dem Fahrerschutzdach und / oder an dem Fahrzeugkörper anbringbar ist. Dadurch wird der Vorteil erreicht, dass der für den Fahrer im Fahrerarbeitsplatz jeweils zu beobachtende Umgebungsbereich in der Nähe des Flurförderzeugs, welchen er direkt einsehen möchte, in Abhängigkeit von der Position der Aufnahmevorrichtung einstellbar ist.According to one embodiment of the present invention, the recording device for generating an image of the surrounding area can be attached to the mast and/or to the driver's overhead guard and/or to the vehicle body. This achieves the advantage that the surrounding area to be observed by the driver in the driver's workplace in the vicinity of the industrial truck, which he would like to see directly, can be adjusted as a function of the position of the recording device.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Aufnahmevorrichtung zur Erzeugung eines virtuellen Sichtkanals zu dem Umgebungsbereich im Bereich eines Lastaufnahmemittels am Hubgerüst anbringbar. Dadurch wird der Vorteil erreicht, dass zum Beispiel ein Bereich um den Gabelträger oder die Spitzen der am Gabelträger angeordneten Gabelzinken aufgenommen werden kann und von dem Fahrer in seinem Fahrerarbeitsplatz direkt und in Echtzeit insbesondere während des Fahrzeugbetriebs ständig eingesehen werden kann. Auf diese Weise kann der Fahrer sein Fahrzeug und dessen Position genauer und schneller ausrichten.According to one embodiment of the present invention, the recording device for generating a virtual visual channel to the surrounding area can be attached to the mast in the area of a load handling device. This has the advantage that, for example, an area around the fork carriage or the tips of the fork tines arranged on the fork carriage can be recorded and can be viewed directly and in real time by the driver in his driver's workplace, especially during vehicle operation. In this way, the driver can align his vehicle and its position more precisely and quickly.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Anzeigevorrichtung an einer Frontkonsole des Fahrerschutzdaches angeordnet. Dadurch wird der Vorteil erreicht, dass der Fahrer von seinem Fahrerarbeitsplatz aus direkt in den zu beobachtenden Umgebungsbereich im Bereich des Lastaufnahmemittels, also einen Frontbereich des Flurförderzeugs, blicken kann. Der Blick des Fahrers auf die Anzeigevorrichtung entspricht damit also seiner natürlichen Blickrichtung auf den betreffenden Umgebungsbereich, wenn dieser nicht verdeckt wäre. Der Fahrer muss als nicht auf eine Anzeigevorrichtung blicken, die sich an einer anderen Position befindet, als die Position des zu beobachtenden Umgebungsbereiches. Dadurch wird für den Fahrer auf seinem Fahrerarbeitsplatz der Eindruck erzeugt, als würde er vor einem sogenannten durchsichtigen Cockpit des Flurförderzeugs sitzen. Dies bedeutet, dass die Frontkonsole, die den direkten Blick des Fahrers auf den Bereich des Lastaufnahmemittels verdeckt, für den Fahrer durchsichtig bzw. transparent wird.According to one embodiment of the present invention, the display device is arranged on a front console of the overhead guard. This achieves the advantage that the driver can look from his driver's workplace directly into the surrounding area to be observed in the area of the load handling device, ie a front area of the industrial truck. The driver's view of the display device thus corresponds to his natural direction of view of the surrounding area in question if this were not covered. The driver does not have to look at a display device that is located at a different position than the position of the surrounding area to be observed. This gives the driver the impression that he is sitting in front of a so-called transparent cockpit of the industrial truck. This means, that the front console, which covers the driver's direct view of the area of the load handling device, becomes transparent for the driver.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Aufnahmevorrichtung zur Erzeugung eines virtuellen Sichtkanals zu dem Umgebungsbereich, welcher von einem Kotflügel des Flurförderzeugs und / oder einem Reifen des Flurförderzeugs verdeckt ist, an dem Fahrerschutzdach oder an dem Fahrzeugkörper angebracht. Dadurch wird der Vorteil erreicht, dass der Fahrer ein Abbild des Umgebungsbereiches erhält, den er von seinem Fahrerarbeitsplatz aus sonst nicht direkt einsehen kann. Insbesondere die Bereiche um die Reifen des Flurförderzeugs herum, können kritische Bereiche darstellen, durch deren Beobachtung und Einsicht Kollisionen vermieden werden können.According to one embodiment of the present invention, the recording device for generating a virtual visual channel to the surrounding area, which is covered by a fender of the industrial truck and/or a tire of the industrial truck, is attached to the overhead guard or to the vehicle body. This achieves the advantage that the driver receives an image of the surrounding area, which he cannot otherwise see directly from his driver's workplace. In particular, the areas around the tires of the industrial truck can be critical areas, and collisions can be avoided by observing and understanding them.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Anzeigevorrichtung an dem Fahrerschutzdach angeordnet. Dadurch wird der Vorteil erreicht, dass ein Umgebungsbereich, welchen der Fahrer von seinem Fahrerarbeitsplatz nicht direkt einsehen kann, dem Fahrer über den virtuellen Sichtkanal angezeigt wird. Die Anordnung der Anzeigevorrichtung an dem Fahrerschutzdach entspricht damit einer natürlichen Blickrichtung des Fahrers am Fahrerarbeitsplatz auf den betreffenden Umgebungsbereich, auf welchen der Fahrer auch ohne Anzeigevorrichtung direkt blicken würde, wenn dieser nicht verdeckt wäre.According to one embodiment of the present invention, the display device is arranged on the overhead guard. This achieves the advantage that a surrounding area which the driver cannot see directly from his driver's workplace is displayed to the driver via the virtual viewing channel. The arrangement of the display device on the overhead guard thus corresponds to a natural line of sight of the driver at the driver's workplace to the surrounding area in question, which the driver would also look at directly without the display device if it were not covered.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Aufnahmevorrichtung zur Erzeugung eines virtuellen Sichtkanals zu einem Umgebungsbereich, welcher sich zumindest teilweise unter dem Flurförderzeug befindet, unterhalb des Flurförderzeugs anbringbar. Dadurch wird der Vorteil erreicht, dass der Fahrer auf seinem Fahrerarbeitsplatz ein Abbild auf einen Umgebungsbereich erhält, der sich zumindest teilweise unter dem Flurförderzeug befindet, ohne dass sich der Fahrer von seiner ursprünglichen Position auf dem Fahrerarbeitsplatz, insbesondere während des Fahrzeugbetriebes, entfernen muss oder eine ihm unnatürliche Körperhaltung einnehmen muss.According to one embodiment of the present invention, the recording device for generating a virtual visual channel to a surrounding area, which is at least partially below the industrial truck, can be attached below the industrial truck. This achieves the advantage that the driver receives an image of a surrounding area at his driver's workplace, which is at least partially under the industrial truck, without the driver having to move from his original position on the driver's workplace, in particular during vehicle operation, or a has to adopt an unnatural posture for him.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Aufnahmevorrichtung zur Erzeugung eines virtuellen Sichtkanals zu einem Umgebungsbereich, welcher sich in einem Heckbereich des Flurförderzeugs befindet, im Heckbereich des Flurförderzeugs oder an dem Fahrerschutzdach oder an dem Fahrzeugkörper des Flurförderzeugs anbringbar. Dadurch wird der Vorteil erreicht, dass der Fahrer an seinem Fahrerarbeitsplatz insbesondere bei einer rückwärtigen Fahrbewegung des Fahrzeugs ein Abbild von dem Heckbereich des Fahrzeugs erhält, welcher normalerweise durch das Gegengewicht des Fahrzeugs verdeckt wird.According to one embodiment of the present invention, the recording device for generating a virtual visual channel to a surrounding area, which is located in a rear area of the industrial truck, Can be attached to the rear of the industrial truck or to the driver's overhead guard or to the vehicle body of the industrial truck. This achieves the advantage that the driver at his driver's workplace receives an image of the rear area of the vehicle, which is normally covered by the counterweight of the vehicle, particularly when the vehicle is moving backwards.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Anzeigevorrichtung in einem Heckbereich des Flurförderzeugs oder an einem Heckbereich des Fahrerschutzdaches angeordnet. Dadurch wird der Vorteil erreicht, dass der Fahrer an seinem Fahrerarbeitsplatz durch eine entsprechende Änderung seiner Körperhaltung oder seiner Position, insbesondere bei einer rückwärtigen Fahrbewegung des Fahrzeugs, durch einen Blick auf die Anzeigevorrichtung direkt in den Heckbereich des Fahrzeugs blickt, welcher normalerweise durch das Gegengewicht des Fahrzeugs verdeckt wird. Der Blick des Fahrers auf die Anzeigevorrichtung entspricht damit seiner natürlichen Blickrichtung in den Heckbereich, wenn dieser nicht verdeckt wäre.According to one embodiment of the present invention, the display device is arranged in a rear area of the industrial truck or on a rear area of the driver's overhead guard. This achieves the advantage that the driver at his driver's workplace by changing his posture or his position, in particular when the vehicle is moving backwards, by looking at the display device looks directly into the rear area of the vehicle, which is normally covered by the counterweight of the vehicle is covered. The driver's view of the display device thus corresponds to his natural line of sight into the rear area if this were not covered.
Gemäß einer Ausführungsform der vorliegenden Erfindung weist der Heckbereich des Flurförderzeugs eine Anhängerkupplung auf. Dadurch wird der Vorteil erreicht, dass die sonst verdeckte Anhängerkupplung bei entsprechender Anordnung der Aufnahmevorrichtung von dem Fahrer an seinem Fahrerarbeitsplatz durch den virtuellen Sichtkanal auf diesen Bereich direkt eingesehen werden kann.According to one embodiment of the present invention, the rear area of the industrial truck has a trailer hitch. This achieves the advantage that the trailer hitch, which is otherwise hidden, can be viewed directly by the driver at his driver's workplace through the virtual viewing channel in this area, given a corresponding arrangement of the recording device.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist das Abbild oder ein Teil des Abbildes eines von der Aufnahmevorrichtung aufgenommenen Umgebungsbereiches zumindest teilweise in Echtzeit und / oder als eine in einer Speichervorrichtung des Flurförderzeugs hinterlegte Aufnahme an die Anzeigevorrichtung übertragbar. Dadurch wird der Vorteil erreicht, dass der Fahrer insbesondere während des Fahrbetriebes zumindest teilweise durch den virtuellen Sichtkanal in verdeckte Umgebungsbereiche blicken kann und der Fahrer stets aktuelle Informationen darüber erhält, ob sich zum Beispiel in einem von ihm beobachteten Umgebungsbereich Objekte befinden, denen er mit seinem Fahrzeug ausweichen muss oder die ihn veranlassen, das Fahrzeugverhalten entsprechend anzupassen.According to one embodiment of the present invention, the image or part of the image of a surrounding area recorded by the recording device can be transmitted to the display device at least partially in real time and/or as a recording stored in a storage device of the industrial truck. This has the advantage that the driver can look at least partially through the virtual viewing channel into hidden areas of the environment, especially while driving, and the driver always receives up-to-date information about whether there are objects in an area of the environment he is observing that he can detect with his vehicle has to swerve or which cause it to adjust the vehicle behavior accordingly.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die Anzeigevorrichtung ausgebildet, ein Abbild mehrerer Umgebungsbereiche gleichzeitig anzuzeigen.According to one embodiment of the present invention, the display device is designed to display an image of a plurality of environmental regions at the same time.
Dadurch wird der Vorteil erreicht, dass der Fahrer in seinem Fahrerarbeitsplatz mehrere kritische Umgebungsbereiche insbesondere während des Fahrzeugbetriebes oder bei einem Lenkmanöver zeitgleich im Auge behalten kann und sein Fahrzeug entsprechend danach ausrichten kann.This achieves the advantage that the driver can keep an eye on several critical surrounding areas at the same time in his driver's workplace, in particular during vehicle operation or during a steering maneuver, and can align his vehicle accordingly.
Gemäß einer Ausführungsform der vorliegenden Erfindung umfasst die Aufnahmevorrichtung mindestens eine Kamera, welche ausgebildet ist, mindestens einen Umgebungsbereich aufzunehmen. Dadurch wird der Vorteil erreicht, dass ein Abbild von dem zu beobachtenden Umgebungsbereich zur Erzeugung eines virtuellen Sichtkanals auf diesen Umgebungsbereich elektronisch zur weiteren Verarbeitung des von der Kamera aufgenommenen Abbildes aufgenommen werden kann.According to one embodiment of the present invention, the recording device comprises at least one camera which is designed to record at least one surrounding area. This achieves the advantage that an image of the surrounding area to be observed can be recorded electronically in order to generate a virtual viewing channel of this surrounding area for further processing of the image recorded by the camera.
Gemäß einer Ausführungsform der vorliegenden Erfindung umfasst die Anzeigevorrichtung mindestens ein Display. Dadurch wird der Vorteil erreicht, dass das von der Aufnahmevorrichtung aufgenommene Abbild eines Umgebungsbereiches für den Fahrer angezeigt wird.According to one embodiment of the present invention, the display device comprises at least one display. This achieves the advantage that the image of a surrounding area recorded by the recording device is displayed for the driver.
Gemäß einer Ausführungsform der vorliegenden Erfindung umfasst die Anzeigevorrichtung ein erstes Display und mindestens ein weiteres Display und wobei das erste Display und / oder das mindestens weitere Display ausgebildet ist, mindestens einen Umgebungsbereich anzuzeigen. Dadurch wird der Vorteil erreicht, dass mehrere aufgenommene Abbilder von Umgebungsbereichen für den Fahrer auf verschiedenen Displays anzeigbar sind, wobei diese Displays vorzugsweise an verschiedenen Positionen innerhalb des Fahrerschutzdaches angeordnet sein können, um dem Fahrer im Fahrerarbeitsplatz den direkten Blick auf einen oder mehrere verdeckte Umgebungsbereiche zu erleichtern.According to one embodiment of the present invention, the display device comprises a first display and at least one additional display, and the first display and/or the at least additional display is designed to display at least one surrounding area. This achieves the advantage that several recorded images of surrounding areas can be displayed for the driver on different displays, with these displays preferably being able to be arranged at different positions within the driver's overhead guard in order to give the driver in the driver's workplace a direct view of one or more covered surrounding areas facilitate.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist das erste Display und / oder das mindestens weitere Display ausgebildet, zusätzliche Fahrzeuginformationen anzuzeigen. Dadurch wird der Vorteil erreicht, dass der Fahrer während des Fahrzeugbetriebes das Fahrverhalten anpassen kann. Zusätzliche Fahrzeuginformationen können zum Beispiel Fahrzeuggeschwindigkeit des Flurförderzeugs, Ladezustand, Warnhinweise, Alarme, Lastdiagramme oder auch aktualisierte Fahrtrouten darstellen. Dadurch kann die Effizienz der Transportabwicklung und auch dessen Bearbeitungsgeschwindigkeit erhöht werden.According to one embodiment of the present invention, the first display and/or the at least additional display is designed to display additional vehicle information. This achieves the advantage that the driver can adjust the driving behavior while the vehicle is in operation. Additional vehicle information can, for example, show the truck's vehicle speed, charge level, warnings, alarms, load charts or updated routes. As a result, the efficiency of transport processing and also its processing speed can be increased.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist die fahrerspezifische Perspektive in der Anzeigevorrichtung von dem im Fahrzeugschutzdach befindlichen Fahrer mittels eines Bedienelements in dem Flurförderzeug, welches mit der Bildverarbeitungseinrichtung elektronisch verbindbar ist, manuell einstellbar. Dadurch wird der Vorteil erreicht, dass verschiedene Fahrer ihre für sie geeignete und für einen jeweiligen Transportauftrag optimale fahrerspezifische Perspektive auf einfache Weise einstellen können, so dass das Fahrzeug von mehreren Fahrern optimal genutzt und bedient werden kann.According to one embodiment of the present invention, the driver-specific perspective in the display device can be manually adjusted by the driver in the vehicle protective roof using an operating element in the industrial truck, which can be electronically connected to the image processing device. This achieves the advantage that different drivers can set their driver-specific perspective that is suitable for them and optimal for a respective transport order in a simple manner, so that the vehicle can be optimally used and operated by multiple drivers.
Gemäß einer Ausführungsform der vorliegenden Erfindung ist eine Sensorvorrichtung vorgesehen, welche ausgebildet ist, eine Position eines Fahrerkopfes oder der Augen eines im Fahrerschutzdach befindlichen Fahrers zu ermitteln, damit die fahrerspezifische Perspektive in Abhängigkeit dieser Position des Fahrerkopfes oder der Augen auf der Anzeigevorrichtung darstellbar ist. Dadurch wird der Vorteil erreicht, dass das Fahrzeug von verschiedenen Fahrern schneller benutzt werden kann, da die erforderlichen Einstellungen zur Ermittlung der für den jeweiligen Fahrer im Fahrerschutzdach optimalen fahrerspezifischen Perspektive automatisch erfolgt, ohne dass der Fahrer vor der Aufnahme des Fahrzeugbetriebs unnötig viel Zeit mit manuellen Einstellungen und Konfigurationen aufwenden muss. Der Fahrer kann sich also ohne Zeitverlust in das Fahrzeug setzen und mit der Abarbeitung seines Transportauftrages beginnen.According to one embodiment of the present invention, a sensor device is provided which is designed to determine a position of a driver's head or the eyes of a driver located in the overhead guard, so that the driver-specific perspective can be displayed on the display device depending on this position of the driver's head or the eyes. This has the advantage that the vehicle can be used more quickly by different drivers, since the settings required to determine the optimal driver-specific perspective for the respective driver in the overhead guard are made automatically, without the driver having to spend an unnecessarily long time with manual settings before starting to operate the vehicle settings and configurations. The driver can therefore sit in the vehicle without losing any time and start processing his transport order.
Weitere Vorteile und Einzelheiten der Erfindung werden anhand des in der schematischen Figur dargestellten Ausführungsbeispiels näher erläutert. Hierbei zeigt
Figur 1- eine schematische Abbildung des erfindungsgemäßen Flurförderzeugs in Seitenansicht gemäß einer Ausführungsform.
- figure 1
- a schematic illustration of the industrial truck according to the invention in a side view according to one embodiment.
Die
Die in der
Die Richtung des in der
In der
Als weiteres Beispiel, das jedoch nicht in der
Zusätzlich kann die Aufnahmevorrichtung 7, wie in der
Das Flurförderzeug 1 kann deshalb auch eine Vielzahl von Aufnahmevorrichtungen 7 aufweisen, die an verschiedenen Positionen innerhalb des Flurförderzeugs 1 angeordnet sind.The
Zur Anzeige der jeweils von den einzelnen Aufnahmevorrichtungen 7 erzeugten Abbilder der verschiedenen Umgebungsbereiche 8 sind an den verschiedenen Positionen innerhalb des Flurförderzeugs 1 Anzeigevorrichtungen 6 installiert. Die
Wenn dem Fahrer 12 eine direkte Sicht auf das Lastaufnahmemittel 13 ermöglicht werden soll, dann kann dazu, wie in der
Wenn der Fahrer 12 einen direkten Blick auf die Anhängerkupplung 19 des Flurförderzeugs 1 werfen möchte, dann ist es sinnvoll, eine entsprechende Anzeigevorrichtung 6b, wie in der
Wenn dem Fahrer 12 eine direkte Sicht auf das Rad 16, einem durch das Rad 16 oder dem Kotflügel 15 verdeckten Bereich ermöglicht werden soll, dann kann dazu, wie in der
Die Anzeigevorrichtung 6 kann auch ausgebildet sein, ein Abbild oder mehrere Abbilder mehrerer Umgebungsbereiche 8 gleichzeitig anzuzeigen, welche sich auch in ihrer Perspektive zu einem Gesamtbild ergänzen lassen, so dass dem Fahrer 12 eine sogenannte 360°-Rundumperspektive eines ansonsten verdeckten Umgebungsbereiches 8 angeboten wird.The display device 6 can also be designed to display an image or multiple images of several surrounding
Das Abbild oder ein Teil des Abbildes eines von der Aufnahmevorrichtung 7 aufgenommenen Umgebungsbereiches 8 ist dabei zumindest teilweise in Echtzeit und / oder als eine in einer Speichervorrichtung 20 des Flurförderzeugs 1 hinterlegte Aufnahme an die Anzeigevorrichtung 6 übertragbar. Dadurch können dem Fahrer 12 stets eine Anzahl von aktuellen Abbildern von Umgebungsbereichen 8 angeboten werden, auf welche er durch ein angepasstes Fahrverhalten entsprechend reagieren kann.The image or part of the image of a surrounding
In der
Ferner kann in dem in der
Diese fahrerspezifische Perspektive in der Anzeigevorrichtung 6 kann von dem im Fahrzeugschutzdach 3 befindlichen Fahrer 12 mittels eines Bedienelements 24 in dem Flurförderzeug 1, welches mit der Bildverarbeitungseinrichtung 23 elektronisch verbindbar ist, manuell einstellt werden. Auf diese Weise kann das Fahrzeug 1 von verschiedenen Fahrern benutzt werden, die die für sie und ihre Körpergröße geeignete fahrerspezifische Perspektive auf ihre Erfordernisse einstellen können.This driver-specific perspective in the display device 6 can be set manually by the
Über eine Sensorvorrichtung 25, welche in dem Flurförderzeug 1 vorgesehen sein kann, kann automatisch eine Position eines Fahrerkopfes oder der Augen eines im Fahrerschutzdach 3 befindlichen Fahrers 12 ermittelt werden, damit die fahrerspezifische Perspektive in Abhängigkeit dieser aufgenommenen Position des Fahrerkopfes oder der Augen auf der Anzeigevorrichtung 6 darstellbar und damit auch individuell einstellbar ist. Derartige Einstellungen können für verschiedene Fahrer in Form von Fahrerprofilen zum Beispiel in der Speichervorrichtung 20 hinterlegt werden. Die jeweiligen Fahrerprofile können dann bei einem Fahrerwechsel von dem jeweiligen Fahrer geladen werden, so dass dieser ohne Verzögerungen das Fahrzeug in Betrieb nehmen und seinen Transportauftrag zügig ausführen kann.A
Im Folgenden werden mögliche Lösungen für sogenannte in der
Der virtuelle Sichtkanal 9 und das entsprechende Fenster zum Gabelträger des Flurförderzeugs 1, der auch als Lastaufnahmemittel 13 bezeichnet wird und normalerweise von der Frontkonsole 17 verdeckt wird, könnte zum Beispiel, wie durch die Kollisionsstelle B in der
Die Kollisionsstelle C auf dem Kotflügel 15 und die Vorderreifen 16, die normalerweise durch die A-Säule des Fahrerschutzdaches 3 und gegebenenfalls vorhandenen Türen (nicht dargestellt) verdeckt sind, könnten zum Beispiel durch entsprechende Kameras 7c auf den Kotflügeln 15 und Displays 22c an der Frontverkleidung des Flurförderzeugs 1 für den Fahrer 12 über einen virtuellen Sichtkanal 9 sichtbar oder direkt einsehbar gemacht werden.The collision point C on the
Ferner kann über eine Displayteilung oder eine Displayumschaltung mehrere kritische Außenbereiche, also Umgebungsbereiche 8 auf einem Display 21 dargestellt werden. Zum Beispiel kann der rechte und der linke Kotflügel auf einem Display dargestellt werden. Bei einer Rückwärtsfahrt können gleichzeitig die Anhängerkupplung 19 und er schwer einsehbares Bereich im Rückraum eingeblendet werden, der entsteht, weil der Fahrer 12 seinen Kopf soweit drehen muss, um den Rückraum komplett einsehen zu können.Furthermore, a number of critical external areas, ie
Die Vorteile des erfindungsgemäßen Flurförderzeugs 1 mit einem oder mehreren virtuellen Sichtkanälen 9 zur direkten Einsicht von verdeckten Umgebungsbereichen 8 sind eine erhöhte Sicherheit, eine Verringerung der Häufigkeit und Schwere von Unfällen, eine Vermeidung von Ladegutbeschädigung, verbesserte Arbeitsbedingungen für den Fahrer 12, eine geringere Belastung des Fahrers 12 und eine höhere Umschlagsleistung von transportierten Waren mit dem Flurförderzeug 1.The advantages of the
Ein weiterer Vorteil besteht darin, dass der Fahrer 12 durch den virtuellen Sichtkanal 9 und das entsprechende Fenster die kritischen Bereiche beurteilen kann, und gleichzeitig, weil ja das Display 22 in Richtung des kritischen Bereiches angebracht ist, den Rest der Umgebung wahrnehmen kann. Besonders deutlich wird das bei der Sicht auf die Anhängerkupplung 19 und auf das Fahrzeugende, weil der Fahrer im Schulterblick sowohl den kritischen Nahbereich im Display 22b als auch den übrigen Rückraum durch die Heckscheibe beurteilen kann. Der Fahrer 12 ist also nicht gezwungen, nach vorne zu blicken, obwohl er rückwärtsfahren möchte.A further advantage is that the
Die vorliegende Erfindung ist dabei nicht auf Gegengewichtsgabelstapler beschränkt, sondern kann bei allen Flurförderzeugen angewendet werden, bei denen die Sicht des Fahrers auf Komponenten des Flurförderzeugs 1 verdeckt ist.The present invention is not limited to counterbalanced forklift trucks, but can be applied to all industrial trucks in which the driver's view of components of the
Ganz allgemein bedeutet das sogenannte durchsichtige Cockpit des erfindungsgemäßen Flurförderzeugs 1 im Kontext der vorliegenden Erfindung, dass Kameras eine Sicht auf die Bereiche des Außenbereichs des Flurförderzeugs 1 aufnehmen, die durch Komponenten des Flurförderzeugs wie zum Beispiel dem Fahrerschutzdach 3, Gabelträger, Gegengewicht 27, Stirnblech, Verkleidungen, Türen (nicht in der
Claims (19)
- Industrial truck (1) having a lifting frame (2), a driver protection roof (3) with a driver workplace (4) for a driver (12) and a vehicle body (5), comprising:- a display apparatus (6),- a recording apparatus (7) for recording an image of a surrounding region (8) that is obscured by the industrial truck (1) and that the driver (12) located at the driver workplace (4) cannot instantly or directly see,- wherein the display apparatus (6) is electronically connectable to the recording apparatus (7) and wherein the display apparatus (6) is furthermore configured to display the surrounding region (8) recorded by the recording apparatus (7) in a manner such that a virtual viewing channel (9) through the industrial truck (1) is producible, through which it is made possible for the driver (12) located in the driver workplace (4) to view into the surrounding region (8) obscured by the industrial truck (1),- characterized- in that the direction of the virtual viewing channel (9) is substantially congruent with the viewing direction of the driver at the surrounding region (8) obscured by the industrial truck (1), and- in that an image processing device (23) is provided, which is configured to convert the image of the surrounding region (8) recorded by the recording apparatus (7) for the driver (12) located in the driver protection roof (3) from a perspective that is specific to the recording apparatus (7) into a perspective that is driver-specific for the driver (12) located in the driver protection roof (3) and that is presented in the display apparatus (6).
- Industrial truck (1) according to Claim 1, characterized in that the display apparatus (6) is alignable substantially perpendicular to the direction of the virtual viewing channel (9).
- Industrial truck (1) according to either of the preceding claims, characterized in that the recording apparatus (7) is mountable to the lifting frame (2) and/or to the driver protection roof (3) and/or to the vehicle body (5) for producing an image of the surrounding region (8).
- Industrial truck (1) according to any of the preceding claims, characterized in that the recording apparatus (7) is mountable to the lifting frame (2) in the region of a load-carrying means (13) for producing a virtual viewing channel (9) to the surrounding region (8) .
- Industrial truck (1) according to any of the preceding claims, characterized in that the display apparatus (6) is arranged on a front console (17) of the driver protection roof (3).
- Industrial truck (1) according to any of the preceding claims, characterized in that the recording apparatus (7) is mounted to the driver protection roof (3) or to the vehicle body (5) for producing a virtual viewing channel (9) to the surrounding region (8) that is obscured by a fender (15) of the industrial truck (1) and/or a tyre (16) of the industrial truck (1).
- Industrial truck (1) according to Claim 6, characterized in that the display apparatus (6) is arranged at the driver protection roof (3).
- Industrial truck (1) according to any of the preceding claims, characterized in that the recording apparatus (7) is mountable underneath the industrial truck (1) for producing a virtual viewing channel (9) to a surrounding region (8) that is located at least partially under the industrial truck (1).
- Industrial truck (1) according to any of the preceding claims, characterized in that the recording apparatus (7) is mountable in a rear region (18) of the industrial truck (1) or to the driver protection roof (3) or to the vehicle body (5) of the industrial truck (1) for producing a virtual viewing channel (9) to a surrounding region (8) that is located in the rear region (18) of the industrial truck (1).
- Industrial truck (1) according to Claim 9, characterized in that the display apparatus (6) is arranged in a rear region (18) of the industrial truck (1) or at a rear region (18) of the driver protection roof (3).
- Industrial truck (1) according to Claim 10, characterized in that the rear region (18) of the industrial truck (1) has a trailer hitch (19).
- Industrial truck (1) according to any of the preceding claims, characterized in that the image or part of the image of a surrounding region (8) recorded by the recording apparatus (7) is at least partially transferable to the display apparatus (6) in real-time and/or as a recording stored in a storage apparatus (20) of the industrial truck (1).
- Industrial truck (1) according to any of the preceding claims, characterized in that the display apparatus (6) is configured to simultaneously display an image of a plurality of surrounding regions (8).
- Industrial truck (1) according to any of the preceding claims, characterized in that the recording apparatus (7) comprises at least one camera (21), which is configured to record at least one surrounding region (8) .
- Industrial truck (1) according to any of the preceding claims, characterized in that the display apparatus (6) comprises at least one display (22).
- Industrial truck (1) according to Claim 15, characterized in that the display apparatus (6) comprises a first display (22a) and at least one further display (22b; 22c) and wherein the first display (22a) and/or the at least further display (22b; 22c) is/are configured to display at least one surrounding region (8).
- Industrial truck (1) according to Claim 15 or 16, characterized in that the first display (22a) and/or the at least further display (22b; 22c) is/are configured to display additional vehicle information.
- Industrial truck (1) according to any of Claims 1 to 17, characterized in that the driver-specific perspective in the display apparatus (6) is manually adjustable by the driver (12) located in the driver protection roof (3) by means of a control element (24) in the industrial truck (1), which is electronically connectable to the image processing device (23).
- Industrial truck (1) according to any of Claims 1 to 18, characterized in that a sensor apparatus (25) is provided, which is configured to determine a position of a driver head or of the eyes of a driver (12) located in the driver protection roof (3) so that the driver-specific perspective is presentable on the display apparatus (6) in dependence on this position of the driver head or the eyes of the driver (12).
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DE102017104460.4A DE102017104460A1 (en) | 2017-03-03 | 2017-03-03 | Truck |
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DE3624486A1 (en) * | 1986-07-19 | 1988-01-28 | Thomas Enkelmann Computer | METHOD AND DEVICE FOR REDUCING THE ACTIVE AND PASSIVE HAZARD IN VEHICLES AND / OR CONVEYOR DEVICES |
DE102008025632B4 (en) * | 2008-05-26 | 2012-10-31 | Jungheinrich Aktiengesellschaft | System for remote control of a truck |
JP6217472B2 (en) * | 2014-03-13 | 2017-10-25 | 株式会社豊田自動織機 | Forklift work support device |
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