EP3388387B1 - Integration of multimedia components into the vehicle network of industrial trucks - Google Patents

Integration of multimedia components into the vehicle network of industrial trucks Download PDF

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Publication number
EP3388387B1
EP3388387B1 EP18162741.5A EP18162741A EP3388387B1 EP 3388387 B1 EP3388387 B1 EP 3388387B1 EP 18162741 A EP18162741 A EP 18162741A EP 3388387 B1 EP3388387 B1 EP 3388387B1
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EP
European Patent Office
Prior art keywords
media playback
playback device
industrial truck
operating
driver
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EP18162741.5A
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German (de)
French (fr)
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EP3388387A1 (en
Inventor
Michael Weck
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Jungheinrich AG
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Jungheinrich AG
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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
    • 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
    • B66F9/0759—Details of operating station, e.g. seats, levers, operator platforms, cabin suspension

Definitions

  • the present invention relates to an industrial truck comprising a media playback device.
  • the object of the present invention is to provide an improved industrial truck that is optimized for this application.
  • an industrial truck according to claim 1 is proposed.
  • the media playback device is in data communication with components that are already assigned to the industrial truck via the vehicle-side bus system, optimal data communication is achieved Integration of the device into the operating environment of the vehicle is achieved.
  • the media playback device can be set up in a known manner to play audio and/or video content, with the idea of the invention not providing for any restriction on the type of medium to be played back, so that, for example, holographic content could also be played back.
  • audio content on the one hand it can be entertainment content, such as a radio program, but on the other hand, communication content can also be transmitted, such as telephone conversations.
  • the media playback device can be set up to play audio and/or video information, which is obtained, for example, from a storage medium and/or via a wireless data connection.
  • a storage medium such as optical media or SD cards
  • data connections such as an analog or digital radio program or a bidirectional radio connection.
  • the media playback device can comprise at least one microphone and at least one loudspeaker and can be used as a hands-free device.
  • it can also be set up to communicate with external devices, for example using a Bluetooth connection.
  • external devices for example using a Bluetooth connection.
  • the driver of the industrial truck is able to answer telephone calls, for example, without having to pick up his phone.
  • the possible connection to external devices leads to increased flexibility, since, for example, in the case of several drivers who use the corresponding vehicle alternately, everyone can connect (pair) their own telephone to the media playback device.
  • the media playback device according to the invention can be designed as a one-piece component with a housing and at least one loudspeaker accommodated therein. In this way, a particularly compact device is created, which is also characterized by simple installation, since the effort required to install the device in the vehicle is minimized.
  • the media playback device can also comprise several components, for example a central control unit, by means of which the connection to the vehicle bus can be established and which can further comprise, for example, an amplifier, and at least one loudspeaker designed separately therefrom, which is connected via a cable - or radio connection is connected to the control unit.
  • a central control unit by means of which the connection to the vehicle bus can be established and which can further comprise, for example, an amplifier, and at least one loudspeaker designed separately therefrom, which is connected via a cable - or radio connection is connected to the control unit.
  • a central control unit by means of which the connection to the vehicle bus can be established and which can further comprise, for example, an amplifier, and at least one loudspeaker designed separately therefrom, which is connected via a cable - or radio connection is connected to the control unit.
  • a central control unit by means of which the connection to the vehicle bus can be established and which can further comprise, for example, an amplifier, and at least one loudspeaker designed separately therefrom, which is connected via
  • the media playback device can be set up to reduce ambient noise through active noise suppression. This can ensure that, for example, the engine noise generated by the industrial truck itself is dampened for the driver or that noise generated outside the vehicle is reduced to a predetermined volume level for the driver.
  • active noise suppression at least one microphone is usually provided, which measures the ambient noise to be attenuated and uses an acoustic transfer function to calculate a sound characteristic that the driver can use would be exposed. An anti-sound signal in anti-phase is then generated for this sound characteristic, which compensates for the external noise to a certain extent through destructive interference.
  • the media playback device can be set up to imitate a desired engine noise.
  • at least one microphone can also be provided, which records the actual engine noise of the vehicle and, if necessary, other ambient noises, with additional sound components then being mixed into these noises by loudspeakers, so that in total the desired noise is achieved and made audible to the driver.
  • the control device is in particular the bus controller, which includes, for example, the clock generator and other components necessary for operating the bus system.
  • the operating component can be any components of the industrial truck that are set up to carry out work functions and that can be operated by the driver using the operating device.
  • the operating device can be, for example, a mechanical operating device, such as at least one button or switch, or even a touchscreen or even a voice control.
  • the operating device can include at least one display and/or be assigned to an armrest of the industrial truck. In this way, the ease of use of the media playback device is ensured or further increased.
  • FIG 1 shows a schematic oblique view of a driver's cab of an industrial truck according to the invention, which is generally designated by the reference number 10.
  • the driver's cab is in the form of a cabin 12, which is limited by a pair of A-pillars 14a, a pair of B-pillars 14b, upwards by a roof 14c and downwards by the vehicle body 16.
  • A-pillars 14a a pair of A-pillars 14a
  • B-pillars 14b upwards by a roof 14c and downwards by the vehicle body 16.
  • FIG. 1 shows a schematic oblique view of a driver's cab of an industrial truck according to the invention, which is generally designated by the reference number 10.
  • the driver's cab is in the form of a cabin 12, which is limited by a pair of A-pillars 14a, a pair of B-pillars 14b, upwards by a roof 14c and downwards by the vehicle body 16.
  • common elements such as a steering wheel and a driver's seat
  • the Figure 1 also shows two possible positions of an operating device 20, by means of which various operating functions of the industrial truck 10 can be controlled by the driver, as will be explained in particular later in connection with Figures 4a - 4c will be explained.
  • an operating device 20 two possible positions of the operating device 20 are shown, in practice only a single operating device 20 is generally provided in an industrial truck according to the invention are, the representation of the two operating devices thus only clarifies possible attachment positions of the operating device 20 in the driver's cab 12.
  • a first position is located laterally next to the steering wheel (not shown), while the other position is assigned and attached to the right A-pillar 14a of the vehicle 10 provides. Both positions are characterized by the fact that the driver can easily reach them with his right hand while, for example, extending his left hand to the steering wheel to steer the vehicle during operation.
  • a media playback device 100 located in the direction of travel of the vehicle 10 on the right side diagonally behind the driver F.
  • the design of the media playback device 100 is adapted to its use in the industrial truck 10 and is provided in an area in which sufficient unused installation space is available.
  • the media playback device 100 according to the invention is shown in a schematic view. It comprises a housing 102 which, as mentioned, is adapted to the intended use of the media playback device 100 in the vehicle 10 according to the invention.
  • the various components are integrated into the housing 102, which will be described below with reference to Figure 5 to be discribed.
  • these three loudspeakers are arranged in such a way that the sound waves S (in Figure 3 represented by dotted lines) reach the driver F in different ways and under certain circumstances after one or more reflections and give the impression of a stereo sound.
  • the Figures 4a - 4c now show, in an enlarged view, a possible embodiment of an operating device 20, which can be integrated into the vehicle 10 according to the invention and can be controlled by means of the media playback device 100 according to the invention.
  • the operating device 20 includes a screen 22, which is operationally divided into three areas 22a, 22b and 22c, each of which is arranged one below the other as strips from top to bottom. Below the screen 20 there are also six push buttons that the driver can press to operate corresponding functions.
  • the screen 22 displays information as text in its first section 22a, for example a current speed and in Figure 4b a radio station and in Figure 4c the number of a caller who is currently calling a phone paired with the media player.
  • the driver is shown further information about the operating states of the industrial truck, for example a charge status of a battery and a parking brake display.
  • the screen 22 shows the current assignment of the individual buttons 24 in its lowest area 22c using text or pictograms.
  • buttons 24 are assigned operating functions of the industrial truck 10, in particular the driver in this state can use the buttons 24 to set the temperature in his cabin 12, switch the ventilation on and off and the like .
  • a state of the operating device 20 is also shown in which it is used to control a radio module integrated in the media playback device.
  • the buttons 24 are assigned in such a way that the driver can adjust the volume of the radio, select radio stations, call up an options menu, or switch to telephone mode.
  • This phone mode is last in Figure 4c shown, in which in the third area 22c of the screen 22 functions are displayed that the driver can use during a telephone call, namely a button 24 for answering or hanging up the telephone, for muting the telephone and for adjusting the volume of the telephone.
  • the already described operating device 20 and the media playback device 100, which has also already been mentioned, are connected to one another via a vehicle bus 26.
  • vehicle bus 26 Also connected to the vehicle bus 26 are other vehicle components 28 and 30, which are set up to carry out other work functions of the vehicle 10, for example those in connection with Figure 4a mentioned ventilation or any other controllable vehicle components.
  • the media playback device 100 includes a control device 108, which can be designed, for example, as a microcontroller or processor and which processes the signals received via the vehicle bus 26 and can carry out further calculations, in particular for processing the media to be played back.
  • a control device 108 which can be designed, for example, as a microcontroller or processor and which processes the signals received via the vehicle bus 26 and can carry out further calculations, in particular for processing the media to be played back.
  • the media playback device 100 includes several components for receiving signals, namely a radio antenna 110, which receive analog or digital radio signals and send them to the control device 108 can pass on, a microphone 112, which can record ambient noise, which can then be used by the control unit 108, for example for active noise reduction, a Bluetooth module 114, which can be used in connection with Figure 4c can enable the mentioned pairing with a mobile phone, and a storage device 116, for example in the form of an SD card reader or a flash memory, from which the control device 108 can read out media files to be played.
  • a radio antenna 110 which receive analog or digital radio signals and send them to the control device 108 can pass on
  • a microphone 112 which can record ambient noise, which can then be used by the control unit 108, for example for active noise reduction
  • a Bluetooth module 114 which can be used in connection with Figure 4c can enable the mentioned pairing with a mobile phone
  • a storage device 116 for example in the form of an SD card reader or a flash memory, from which the control device
  • the media playback device 100 also includes an amplifier 118 with a bandpass filter, which analogously amplifies the signals processed by the control device 108 and outputs a voltage to drive the loudspeakers 104a, 104b and 106.

Description

Die vorliegende Erfindung betrifft ein ein Medien-Wiedergabegerät umfassendes Flurförderzeug.The present invention relates to an industrial truck comprising a media playback device.

Es ist aus dem Stand der Technik bekannt, in Baumaschinen und Flurförderzeugen Medien-Wiedergabegräte, wie beispielsweise DIN-Autoradios, zu verbauen, die ihrerseits aus dem Einsatz in KFZ bekannt sind. Diese Radios sind allerdings in vielerlei Hinsicht eigenständige, nicht auf die Verwendung in einem Flurförderzeug optimierte Systeme, die, sowohl was den von ihnen benötigten Bauraum als auch ihre Installation betrifft, nicht für die Verwendung in Flurförderzeugen ausgelegt sind. Ferner kann ihre Bedienung für den Fahrer des Flurförderzeugs umständlich sein, da bei bekannten Standardkomponenten die Bedienelemente in der Regel an einem Frontpanel des Medien-Wiedergabegeräts angeordnet sind und der Fahrer des Fahrzeugs daher zu jeder Bedienung zu dem Medien-Wiedergabegerät greifen muss. Die DE 10 2005 024 880 A1 offenbart den Oberbegriff des Anspruchs 1.It is known from the prior art to install media playback devices, such as DIN car radios, in construction machinery and industrial trucks, which in turn are known from use in motor vehicles. However, in many respects these radios are independent systems that are not optimized for use in an industrial truck and are not designed for use in industrial trucks, both in terms of the space they require and their installation. Furthermore, their operation can be cumbersome for the driver of the industrial truck, since with known standard components the controls are usually arranged on a front panel of the media playback device and the driver of the vehicle therefore has to reach for the media playback device for every operation. The DE 10 2005 024 880 A1 discloses the preamble of claim 1.

Es ist angesichts der angesprochenen Nachteile die Aufgabe der vorliegenden Erfindung, ein verbessertes Flurförderzeug bereitzustellen, das für diesen Anwendungszweck optimiert ist. Hierzu wird ein Flurförderzeug gemäß dem Anspruch 1 vorgeschlagen.In view of the disadvantages mentioned, the object of the present invention is to provide an improved industrial truck that is optimized for this application. For this purpose, an industrial truck according to claim 1 is proposed.

Indem in dieser Weise das Medien-Wiedergabegerät über das fahrzeugseitige Bussystem in Datenkommunikation mit ohnehin dem Flurförderzeug zugeordneten Komponenten steht, wird eine optimale Einbindung des Geräts in die Bedienumgebung des Fahrzeugs erzielt. Hierbei kann das Medien-Wiedergabegerät in bekannter Weise zur Wiedergabe von Audio- und/oder Videoinhalten eingerichtet sein, wobei der Erfindungsgedanke keine Beschränkung auf die Art des wiederzugebenden Mediums vorsieht, so dass beispielsweise auch holografische Inhalte wiedergegeben werden könnten. Im speziellen Fall von Audioinhalten kann es sich einerseits um Unterhaltungsinhalte, wie beispielsweise ein Radioprogramm, handeln, andererseits können aber auch Kommunikationsinhalte übertragen werden, wie beispielsweise Telefongespräche.Because the media playback device is in data communication with components that are already assigned to the industrial truck via the vehicle-side bus system, optimal data communication is achieved Integration of the device into the operating environment of the vehicle is achieved. In this case, the media playback device can be set up in a known manner to play audio and/or video content, with the idea of the invention not providing for any restriction on the type of medium to be played back, so that, for example, holographic content could also be played back. In the special case of audio content, on the one hand it can be entertainment content, such as a radio program, but on the other hand, communication content can also be transmitted, such as telephone conversations.

Erfindungsgemäß kann hierzu das Medien-Wiedergabegerät zur Wiedergabe von Audio- und/oder Video-Informationen eingerichtet sein, welche beispielsweise von einem Speichermedium und/oder über eine drahtlose Datenverbindung erhalten werden. Hierbei kann es sich jeweils um bekannte Speichermedien, wie beispielsweise optische Medien oder SD-Karten und auch um bekannte Datenverbindungen handeln, wie beispielsweise ein analoges oder digitales Radioprogramm oder eine bidirektionale Funkverbindung.According to the invention, the media playback device can be set up to play audio and/or video information, which is obtained, for example, from a storage medium and/or via a wireless data connection. These can be known storage media, such as optical media or SD cards, and also known data connections, such as an analog or digital radio program or a bidirectional radio connection.

Weiterhin kann das erfindungsgemäße Medien-Wiedergabegerät gemäß einer ersten erfindungsgemäßen Alternative wenigstens ein Mikrofon und wenigstens einen Lautsprecher umfassen und als Freisprecheinrichtung verwendbar sein. Hierzu kann es ferner dazu eingerichtet sein, mit externen Geräten zu kommunizieren, beispielsweise mittels einer Bluetooth-Verbindung. Auf diese Weise ist es dem Fahrer des Flurförderzeugs möglich, beispielsweise Telefonanrufe zu beantworten, ohne dass er hierzu zu seinem Telefon greifen muss. Außerdem führt die mögliche Verbindung mit externen Geräten zu einer erhöhten Flexibilität, da beispielsweise im Fall von mehreren Fahrern, die das entsprechende Fahrzeug abwechselnd benutzen, jeder sein eigenes Telefon mit dem Medien-Wiedergabegerät verbinden (paaren) kann.Furthermore, according to a first alternative according to the invention, the media playback device according to the invention can comprise at least one microphone and at least one loudspeaker and can be used as a hands-free device. For this purpose, it can also be set up to communicate with external devices, for example using a Bluetooth connection. In this way, the driver of the industrial truck is able to answer telephone calls, for example, without having to pick up his phone. In addition, the possible connection to external devices leads to increased flexibility, since, for example, in the case of several drivers who use the corresponding vehicle alternately, everyone can connect (pair) their own telephone to the media playback device.

In einer möglichen Ausführungsform kann das erfindungsgemäße Medien-Wiedergabegerät als einteilige Komponente mit einem Gehäuse und wenigstens einem darin aufgenommenen Lautsprecher ausgebildet sein. Auf diese Weise wird ein besonders kompaktes Gerät geschaffen, das sich ferner durch eine einfache Installation auszeichnet, da der Aufwand zum Einbauen des Geräts in dem Fahrzeug minimiert wird.In a possible embodiment, the media playback device according to the invention can be designed as a one-piece component with a housing and at least one loudspeaker accommodated therein. In this way, a particularly compact device is created, which is also characterized by simple installation, since the effort required to install the device in the vehicle is minimized.

Alternativ kann das erfindungsgemäße Medien-Wiedergabegerät jedoch auch mehrere Komponenten umfassen, beispielsweise eine zentrale Steuereinheit, mittels derer die Verbindung mit dem Fahrzeugbus hergestellt werden kann und die des Weiteren beispielsweise einen Verstärker umfassen kann, und wenigstens einen getrennt davon ausgebildeten Lautsprecher, der über eine Kabel- oder Funkverbindung mit der Steuereinheit in Verbindung steht. Hierbei kann beispielsweise an eine übliche Stereo-Konfiguration gedacht werden, in der zwei Lautsprecher vorgesehen sind, oder auch eine Konfiguration, in der ein einzelner BassLautsprecher für tiefe Frequenzen und mehrere Hochton-Lautsprecher für hohe Frequenzen verteilt angeordnet sind.Alternatively, however, the media playback device according to the invention can also comprise several components, for example a central control unit, by means of which the connection to the vehicle bus can be established and which can further comprise, for example, an amplifier, and at least one loudspeaker designed separately therefrom, which is connected via a cable - or radio connection is connected to the control unit. For example, one can think of a usual stereo configuration in which two loudspeakers are provided, or a configuration in which a single bass loudspeaker for low frequencies and several tweeter loudspeakers for high frequencies are arranged in a distributed manner.

Gemäß einer zweiten erfindungsgemäßen Alternative zusätzlich oder alternativ zu der ersten Alternative kann das erfindungsgemäße Medien-Wiedergabegerät dazu eingerichtet sein, durch aktive Geräuschunterdrückung Umgebungsgeräusche zu verringern. Hierdurch kann erreicht werden, dass beispielsweise das von dem Flurförderzeug selbst erzeugte Motorengeräusch für den Fahrer gedämpft wird oder auch, dass außerhalb des Fahrzeugs erzeugte Geräusche für den Fahrer auf ein vorbestimmtes Lautstärke-Niveau reduziert werden. Zur technischen Umsetzung einer aktiven Geräuschunterdrückung wird in der Regel wenigstens ein Mikrofon vorgesehen, das die zu dämpfenden Umgebungsgeräusche misst und hieraus mit Hilfe einer akustischen Übertragungsfunktion eine Schallcharakteristik berechnet, der der Fahrer ausgesetzt wäre. Für diese Schallcharakteristik wird dann ein gegenphasiges "Antischall"-Signal erzeugt, das durch destruktive Interferenz das externe Geräusch bis zu einem gewissen Grad ausgleicht.According to a second alternative according to the invention, in addition or as an alternative to the first alternative, the media playback device according to the invention can be set up to reduce ambient noise through active noise suppression. This can ensure that, for example, the engine noise generated by the industrial truck itself is dampened for the driver or that noise generated outside the vehicle is reduced to a predetermined volume level for the driver. For the technical implementation of active noise suppression, at least one microphone is usually provided, which measures the ambient noise to be attenuated and uses an acoustic transfer function to calculate a sound characteristic that the driver can use would be exposed. An anti-sound signal in anti-phase is then generated for this sound characteristic, which compensates for the external noise to a certain extent through destructive interference.

Gemäß einer dritten Alternative zusätzlich oder alternativ zu der ersten und/oder zweiten Alternative kann das erfindungsgemäße Medien-Wiedergabegerät dazu eingerichtet sein, ein gewünschtes Motorengeräusch zu imitieren. Hierzu kann ebenfalls wenigstens ein Mikrofon vorgesehen sein, das das tatsächliche Motorengeräusch des Fahrzeugs und gegebenenfalls weitere Umgebungsgeräusche aufnimmt, wobei diesen Geräuschen dann zusätzliche Schallkomponenten durch Lautsprecher zugemischt werden, so dass in der Summe das gewünschte Geräusch erzielt und dem Fahrer hörbar gemacht wird.According to a third alternative, in addition to or as an alternative to the first and/or second alternative, the media playback device according to the invention can be set up to imitate a desired engine noise. For this purpose, at least one microphone can also be provided, which records the actual engine noise of the vehicle and, if necessary, other ambient noises, with additional sound components then being mixed into these noises by loudspeakers, so that in total the desired noise is achieved and made audible to the driver.

Erfindungsgemäß handelt es sich bei dem Steuergerät insbesondere um den Buscontroller, der beispielsweise den Taktgeber und weitere zum Betrieb des Bussystems notwendige Komponenten umfasst. Bei der Betriebskomponente kann es sich um beliebige Komponenten des Flurförderzeugs handeln, die dazu eingerichtet sind, Arbeitsfunktionen auszuführen und die vom Fahrer mittels des Bediengeräts bedienbar sind. Bei dem Bediengerät kann es sich hierzu beispielsweise um ein mechanisches Bediengerät, wie beispielsweise wenigstens einem Taster oder Schalter handeln, oder auch um einen Touchscreen oder gar eine Sprachsteuerung.According to the invention, the control device is in particular the bus controller, which includes, for example, the clock generator and other components necessary for operating the bus system. The operating component can be any components of the industrial truck that are set up to carry out work functions and that can be operated by the driver using the operating device. The operating device can be, for example, a mechanical operating device, such as at least one button or switch, or even a touchscreen or even a voice control.

Insbesondere kann das Bediengerät wenigstens eine Anzeige umfassen und/oder einer Armlehne des Flurförderzeugs zugeordnet sein. Auf diese Weise wird der Bedienkomfort des Medien-Wiedergabegeräts sichergestellt bzw. weiter erhöht.In particular, the operating device can include at least one display and/or be assigned to an armrest of the industrial truck. In this way, the ease of use of the media playback device is ensured or further increased.

Weitere Merkmale und Vorteile der vorliegenden Erfindung werden aus der nachfolgenden Beschreibung deutlich, wenn diese zusammen mit den beiliegenden Figuren betrachtet wird.

Figur 1
eine schematische Schrägansicht eines Fahrerstands eines erfindungsgemäßen Flurförderzeugs;
Figur 2
eine schematische Ansicht eines erfindungsgemäßen Medien-Wiedergabegeräts;
Figur 3
eine schematische Draufsicht auf den Fahrerstand aus Figur 1;
Figuren 4a - c
detaillierte Ansichten des Bediengeräts aus Figur 1; und
Figur 5
schematische Darstellungen des Bussystems des Flurförderzeugs sowie des Medien-Wiedergabegeräts aus Figur 1.
Further features and advantages of the present invention will become apparent from the following description when considered together with the accompanying figures.
Figure 1
a schematic oblique view of a driver's cab of an industrial truck according to the invention;
Figure 2
a schematic view of a media playback device according to the invention;
Figure 3
a schematic top view of the driver's cab Figure 1 ;
Figures 4a - c
detailed views of the operating device Figure 1 ; and
Figure 5
Schematic representations of the truck's bus system and the media playback device Figure 1 .

Figur 1 zeigt eine schematische Schrägansicht eines Fahrerstands eines erfindungsgemäßen Flurförderzeugs, das ganz allgemein mit dem Bezugszeichen 10 bezeichnet ist. Der Fahrerstand ist in Form einer Kabine 12 ausgebildet, die durch ein Paar von A-Säulen 14a, ein Paar von B-Säulen 14b, nach oben durch ein Dach 14c und nach unten von der Fahrzeugkarosserie 16 begrenzt ist. Aus Gründen der Übersichtlichkeit wurde auf die Darstellung von üblichen Elementen wie einem Lenkrad und einem Fahrersitz in der Kabine 12 sowie weiteren Anbauteilen des Fahrzeugs 10 in der schematischen Darstellung aus Figur 1 verzichtet. Figure 1 shows a schematic oblique view of a driver's cab of an industrial truck according to the invention, which is generally designated by the reference number 10. The driver's cab is in the form of a cabin 12, which is limited by a pair of A-pillars 14a, a pair of B-pillars 14b, upwards by a roof 14c and downwards by the vehicle body 16. For reasons of clarity, common elements such as a steering wheel and a driver's seat in the cabin 12 as well as other attachments of the vehicle 10 were shown in the schematic representation Figure 1 waived.

Die Figur 1 zeigt ferner zwei mögliche Positionen eines Bediengeräts 20, mittels welchem verschiedene Betriebsfunktionen des Flurförderzeugs 10 vom Fahrer gesteuert werden können, wie es insbesondere später im Zusammenhang mit den Figuren 4a - 4c erläutert werden wird. Wenngleich in Figur 1, wie angesprochen, zwei mögliche Positionen des Bediengeräts 20 dargestellt sind, wird in der Praxis in der Regel lediglich ein einzelnes Bediengerät 20 in einem erfindungsgemäßen Flurförderzeug vorgesehen werden, die Darstellung der beiden Bediengeräte verdeutlicht somit lediglich mögliche Anbringungspositionen des Bediengeräts 20 in der Fahrerkabine 12. Hierbei befindet sich eine erste Position seitlich neben dem (nicht gezeigten) Lenkrad, während die andere Position eine Zuordnung und Befestigung an der rechten A-Säule 14a des Fahrzeugs 10 vorsieht. Beide Positionen zeichnen sich dadurch aus, dass der Fahrer sie leicht mit seiner rechten Hand erreichen kann, während er beispielsweise seine linke Hand zum Lenkrad ausstreckt, um das Fahrzeug im Betrieb zu lenken.The Figure 1 also shows two possible positions of an operating device 20, by means of which various operating functions of the industrial truck 10 can be controlled by the driver, as will be explained in particular later in connection with Figures 4a - 4c will be explained. Although in Figure 1 As mentioned, two possible positions of the operating device 20 are shown, in practice only a single operating device 20 is generally provided in an industrial truck according to the invention are, the representation of the two operating devices thus only clarifies possible attachment positions of the operating device 20 in the driver's cab 12. Here, a first position is located laterally next to the steering wheel (not shown), while the other position is assigned and attached to the right A-pillar 14a of the vehicle 10 provides. Both positions are characterized by the fact that the driver can easily reach them with his right hand while, for example, extending his left hand to the steering wheel to steer the vehicle during operation.

Ferner befindet sich im hinteren Teil der Fahrerkabine 12 ein erfindungsgemäßes Medien-Wiedergabegerät 100, das sich, wie aus Figur 3 erkennbar, in Fahrtrichtung des Fahrzeugs 10 auf der rechten Seite schräg hinter dem Fahrer F befindet. Das Medien-Wiedergabegerät 100 ist durch seine Bauform an seine Verwendung in dem Flurförderzeug 10 angepasst und in einem Bereich vorgesehen, in dem ausreichend ungenutzter Bauraum zur Verfügung steht.Furthermore, in the rear part of the driver's cab 12 there is a media playback device 100 according to the invention, which, as shown Figure 3 recognizable, located in the direction of travel of the vehicle 10 on the right side diagonally behind the driver F. The design of the media playback device 100 is adapted to its use in the industrial truck 10 and is provided in an area in which sufficient unused installation space is available.

In Figur 2 ist das erfindungsgemäße Medien-Wiedergabegerät 100 in einer schematischen Ansicht dargestellt. Es umfasst ein Gehäuse 102, das, wie angesprochen, an dem vorgesehenen Einsatz des Medien-Wiedergabegeräts 100 in dem erfindungsgemäßen Fahrzeug 10 angepasst ist. In dem Gehäuse 102 sind die verschiedenen Komponenten integriert, die weiter unten unter Bezugnahme auf Figur 5 beschrieben werden. An der Außenseite in das Gehäuse 102 integriert befinden sich insgesamt drei Lautsprecher, nämlich zwei Hochton-Lautsprecher 104a und 104b sowie ein Basslautsprecher 106. Wie sich aus Figur 3 entnehmen lässt, sind diese drei Lautsprecher derart angeordnet, dass die von ihnen ausgesendeten Schallwellen S (in Figur 3 durch gepunktete Linien dargestellt) auf verschiedenen Wegen und unter Umständen nach einer oder mehreren Reflexionen zum Fahrer F gelangen und dort den Eindruck eines Stereoklangs vermitteln.In Figure 2 the media playback device 100 according to the invention is shown in a schematic view. It comprises a housing 102 which, as mentioned, is adapted to the intended use of the media playback device 100 in the vehicle 10 according to the invention. The various components are integrated into the housing 102, which will be described below with reference to Figure 5 to be discribed. There are a total of three speakers integrated into the outside of the housing 102, namely two tweeter speakers 104a and 104b and a bass speaker 106. As can be seen from Figure 3 As can be seen, these three loudspeakers are arranged in such a way that the sound waves S (in Figure 3 represented by dotted lines) reach the driver F in different ways and under certain circumstances after one or more reflections and give the impression of a stereo sound.

Die Figuren 4a - 4c zeigen nun in einer vergrößerten Ansicht eine mögliche Ausführung eines Bediengeräts 20, das in das erfindungsgemäße Fahrzeug 10 integriert sein kann und mittels des erfindungsgemäßen Medien-Wiedergabegerät 100 gesteuert werden kann. Hierzu umfasst das Bediengerät 20 einen Bildschirm 22, der betriebsmäßig in drei Bereiche 22a, 22b und 22c unterteilt ist, die jeweils als Streifen von oben nach unten untereinander angeordnet sind. Unterhalb des Bildschirms 20 befinden sich ferner sechs Druckknöpfe, die der Fahrer zur Bedienung entsprechender Funktionen drücken kann.The Figures 4a - 4c now show, in an enlarged view, a possible embodiment of an operating device 20, which can be integrated into the vehicle 10 according to the invention and can be controlled by means of the media playback device 100 according to the invention. For this purpose, the operating device 20 includes a screen 22, which is operationally divided into three areas 22a, 22b and 22c, each of which is arranged one below the other as strips from top to bottom. Below the screen 20 there are also six push buttons that the driver can press to operate corresponding functions.

In der gezeigten Konfiguration zeigt der Bildschirm 22 in seinem ersten Abschnitt 22a Informationen als Text an, beispielsweise eine momentane Geschwindigkeit sowie in Figur 4b einen Radiosender und in Figur 4c die Nummer eines Anrufers, der gerade bei einem mit dem Medien-Wiedergabegerät gepaarten Telefon anruft. In dem zweiten Bereich 22b werden dem Fahrer weitere Informationen über Betriebszustände des Flurförderzeugs angezeigt, beispielsweise einen Ladungszustand einer Batterie und eine Parkbremsenanzeige. Zuletzt zeigt der Bildschirm 22 in seinem untersten Bereich 22c mittels Text oder Piktogramm die jeweilige momentane Belegung der einzelnen Knöpfe 24 an.In the configuration shown, the screen 22 displays information as text in its first section 22a, for example a current speed and in Figure 4b a radio station and in Figure 4c the number of a caller who is currently calling a phone paired with the media player. In the second area 22b, the driver is shown further information about the operating states of the industrial truck, for example a charge status of a battery and a parking brake display. Finally, the screen 22 shows the current assignment of the individual buttons 24 in its lowest area 22c using text or pictograms.

So sind in Figur 4a, in der momentan keine Steuerung des Medien-Wiedergabegeräts vorgenommen wird, die Tasten 24 mit Betriebsfunktionen des Flurförderzeugs 10 belegt, insbesondere kann der Fahrer in diesem Zustand mittels der Tasten 24 die Temperatur in seiner Kabine 12 einstellen, die Lüftung ein- und ausschalten und ähnliches. In Figur 4b ist weiterhin ein Zustand des Bediengeräts 20 gezeigt, in dem es zur Steuerung eines in dem Medien-Wiedergabegeräts integrierten Radiomoduls eingesetzt wird. Hierzu sind die Tasten 24 derart belegt, dass der Fahrer die Lautstärke des Radios einstellen kann, Radiosender auswählen kann, ein Optionsmenü aufrufen kann, oder in einen Telefonmodus umschalten kann.So are in Figure 4a , in which there is currently no control of the media playback device, the buttons 24 are assigned operating functions of the industrial truck 10, in particular the driver in this state can use the buttons 24 to set the temperature in his cabin 12, switch the ventilation on and off and the like . In Figure 4b a state of the operating device 20 is also shown in which it is used to control a radio module integrated in the media playback device. For this purpose, the buttons 24 are assigned in such a way that the driver can adjust the volume of the radio, select radio stations, call up an options menu, or switch to telephone mode.

Dieser Telefonmodus ist zuletzt in Figur 4c gezeigt, in der in dem dritten Bereich 22c des Bildschirms 22 Funktionen angezeigt sind, die der Fahrer während eines Telefonanrufs verwenden kann, nämlich eine Taste 24 zum Annehmen bzw. Auflegen des Telefons, zum Stummschalten des Telefons und zum Einstellen der Lautstärke des Telefons.This phone mode is last in Figure 4c shown, in which in the third area 22c of the screen 22 functions are displayed that the driver can use during a telephone call, namely a button 24 for answering or hanging up the telephone, for muting the telephone and for adjusting the volume of the telephone.

Zuletzt ist in Figur 5 das Bussystem des Flurförderzeugs 10 aus Figur 1 grob schematisch dargestellt, wobei auf eine Darstellung der Bussteuerung verzichtet worden ist, die beispielsweise den Taktgeber und ähnliche Funktionskomponenten umfasst. Die bereits beschriebene Bedienvorrichtung 20 und das ebenfalls bereits angesprochene Medien-Wiedergabegerät 100 sind über einen Fahrzeugbus 26 miteinander verbunden. Ebenfalls mit dem Fahrzeugbus 26 verbunden sind weitere Fahrzeugkomponenten 28 und 30, die dazu eingerichtet sind, andere Arbeitsfunktionen des Fahrzeugs 10 auszuführen, beispielsweise die im Zusammenhang mit Figur 4a angesprochene Lüftung oder beliebige andere steuerbare Fahrzeugkomponenten.Last is in Figure 5 the bus system of the industrial truck 10 Figure 1 shown roughly schematically, with no representation of the bus control, which includes, for example, the clock generator and similar functional components. The already described operating device 20 and the media playback device 100, which has also already been mentioned, are connected to one another via a vehicle bus 26. Also connected to the vehicle bus 26 are other vehicle components 28 and 30, which are set up to carry out other work functions of the vehicle 10, for example those in connection with Figure 4a mentioned ventilation or any other controllable vehicle components.

Ferner sind in Figur 5 die einzelnen Komponenten des Medienwiedergabegeräts 10 dargestellt. Diese umfassen die bereits im Zusammenhang mit Figur 2 angesprochenen Lautsprecher 104a, 104b und 106, die aus Gründen der Übersichtlichkeit hier lediglich schematisch als einzelne Lautsprecher dargestellt sind. Des Weiteren umfasst das Medien-Wiedergabegerät 100 eine Steuereinrichtung 108, die beispielsweise als Micro-Controller oder Prozessor ausgeführt sein kann und die die über den Fahrzeugbus 26 erhaltenen Signale verarbeitet sowie weitere Berechnungen insbesondere zur Verarbeitung der wiederzugebenden Medien vornehmen kann.Furthermore, there are Figure 5 the individual components of the media playback device 10 are shown. These include those already related to Figure 2 mentioned loudspeakers 104a, 104b and 106, which for reasons of clarity are shown here only schematically as individual loudspeakers. Furthermore, the media playback device 100 includes a control device 108, which can be designed, for example, as a microcontroller or processor and which processes the signals received via the vehicle bus 26 and can carry out further calculations, in particular for processing the media to be played back.

Ferner umfasst das Medien-Wiedergabegerät 100 mehrere Komponenten zum Empfangen von Signalen, nämlich eine Radioantenne 110, die analoge oder digitale Radiosignale empfangen und an die Steuereinrichtung 108 weitergeben kann, ein Mikrofon 112, das Umgebungsgeräusche aufnehmen kann, die anschließend von der Steuereinheit 108 beispielsweise für eine aktive Geräuschreduzierung eingesetzt werden können, ein Bluetooth-Modul 114, das die im Zusammenhang mit Figur 4c angesprochene Paarung mit einem Mobiltelefon ermöglichen kann, und eine Speichereinrichtung 116, beispielsweise in Form eines SD-Kartenlesers oder eines Flash-Speichers, von der die Steuereinrichtung 108 wiederzugebende Mediendateien auslesen kann.Furthermore, the media playback device 100 includes several components for receiving signals, namely a radio antenna 110, which receive analog or digital radio signals and send them to the control device 108 can pass on, a microphone 112, which can record ambient noise, which can then be used by the control unit 108, for example for active noise reduction, a Bluetooth module 114, which can be used in connection with Figure 4c can enable the mentioned pairing with a mobile phone, and a storage device 116, for example in the form of an SD card reader or a flash memory, from which the control device 108 can read out media files to be played.

Zuletzt umfasst das Medien-Wiedergabegerät 100 noch einen Verstärker 118 mit einem Bandpassfilter, der die von der Steuereinrichtung 108 verarbeiteten Signale analog verstärkt und eine Spannung zum Treiben der Lautsprecher 104a, 104b und 106 ausgibt.Finally, the media playback device 100 also includes an amplifier 118 with a bandpass filter, which analogously amplifies the signals processed by the control device 108 and outputs a voltage to drive the loudspeakers 104a, 104b and 106.

Claims (6)

  1. Industrial truck (10) comprising:
    - at least one controller;
    - at least one operating component (28, 30);
    - at least one operating device (20) which can be operated by an operator of the industrial truck (10) for controlling the at least one operating component (28, 30);
    - a bus system (26) configured for data communication between the controller, the operating device (20) and the operating component (28, 30); and
    - at least one media playback device (100) for use in the industrial truck (10) having the bus system (26), wherein the media playback device (100) is also configured for data communication via the bus system (26) and is connected thereto and can be operated by means of the operating device (20) which is associated with the industrial truck (10) and which sends control commands via the bus system (26) to the media playback device (100),
    characterized in that the media playback device (100) comprises at least one microphone (112) and one loudspeaker (104a, 104b, 106) and can be used as a hands-free device and/or
    the media playback device (100) is configured to reduce ambient noise by active noise cancellation and/or the media playback device (100) is configured to imitate a desired engine noise.
  2. Industrial truck (10) according to Claim 1, characterized in that the media playback device (100) is configured to display audio and/or video information which is obtained, for example, from a storage medium (116) and/or via a wireless data link (110, 114).
  3. Industrial truck (10) according to either of the preceding claims, characterized in that the media playback device (100) is configured to communicate with external devices, for example by means of a Bluetooth link (114).
  4. Industrial truck (10) according to any one of the preceding claims, characterized in that the media playback device (100) is designed as a one-piece component having a housing (102) and at least one loudspeaker (104a, 104b, 106) accommodated therein.
  5. Industrial truck (10) according to any one of Claims 1 to 3, characterized in that the media playback device (100) comprises a plurality of components, for example a central control unit and at least one loudspeaker formed separately therefrom.
  6. Industrial truck according to any one of the preceding claims, characterized in that the operating device (20) comprises at least one display (22) and/or is associated with an armrest of the industrial truck (10).
EP18162741.5A 2017-04-12 2018-03-20 Integration of multimedia components into the vehicle network of industrial trucks Active EP3388387B1 (en)

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DE102017206330.0A DE102017206330A1 (en) 2017-04-12 2017-04-12 Integration of multimedia components in the vehicle network of industrial trucks

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EP3388387B1 true EP3388387B1 (en) 2023-09-13

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5873070A (en) * 1995-06-07 1999-02-16 Norand Corporation Data collection system
DE102005024880A1 (en) * 2005-05-31 2006-12-07 Still Gmbh Industrial truck e.g. counterbalance fork lift truck, for in-house good transport, has display device to playback interactive maintenance program e.g. simple video game, and operating units to actuate functions of truck to control program
US8579304B2 (en) * 2007-03-12 2013-11-12 Mitchell Olin Setzer, SR. Method of manually transporting items
JP2015116831A (en) * 2012-04-04 2015-06-25 パナソニック株式会社 Sound reproduction device
US9549257B2 (en) * 2013-03-27 2017-01-17 Pinnacle Peak Holdings Corporation Feedback cancellation for vehicle communications system

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