• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a device for operating a suspension level system in a motor vehicle. The device comprises a first manually operated switch arranged to be in communication with said suspension level system for operating the same. Further- more, the first manually operated switch is arranged to be mechanically operable in a plurality of positions, each position selecting a function among a plurality of functions provided by the suspension level system. The invention also relates to a motor vehicle and a system provided with such a device for operating a suspension level system.
    公开号:SE0950315A1
    申请号:SE0950315
    申请日:2009-05-06
    公开日:2010-11-07
    发明作者:Daniel Aslan
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    SUMMARY OF THE INVENTION An object of the present invention is to provide a solution to the problem of operating a suspension level system in a motor vehicle. Another object of the invention is to provide a device for operating a suspension level system which is compact and easy to handle when operating the suspension level system. In accordance with one aspect of the present invention, the above objects are achieved with an apparatus for operating a suspension level system in a motor vehicle. The device comprises a first manually operated control arranged to communicate with said suspension level system for operating the same. The first manually operated control is further arranged to be mechanically operable in a plurality of positions, each position selecting a function from a selection of several functions which the suspension level system provides.
    With a device for operating a suspension level system in accordance with the invention, all the functions provided by the suspension level system can be operated from a single device, which simplifies the operation of the suspension level system. Panel space can be saved as a result of all functions being operated from one device, compared to solutions comprising a plurality of scattered separate pushbuttons or solutions comprising at least one control unit and at least one optical display unit. Accordingly, in accordance with the present invention, only one device needs to be mounted on the panel, which also results in a shorter mounting time when mounting panels comprising a device in accordance with the invention.
    Furthermore, the number of communication pins required to connect the actuator to the suspension level system is reduced as a result of only one set of communication pins being required in accordance with the present invention, compared to one set of communication pins per push button in accordance with the prior art. the solution described above. For example, if a set of communication pins corresponds to three pins and we assume that eight pushbuttons are used to operate the suspension level system and that one set of pins per pushbutton / control device is required to communicate with the suspension level system, the number of communication pins is reduced from 24 (3x8) to 3 (3x1 ). Consequently, the cost of manufacturing and maintaining the suspension level control device will also be reduced.
    According to an embodiment of the aforementioned aspect of the invention, the first manually operated control comprises a control mechanism for controlling a selected function, and wherein the first manually operated control is mechanically manoeuvrable in a first degree of freedom regarding selection of a function and in a second degree of freedom regarding regulation of said selected function.
    According to another embodiment of the previously mentioned aspect of the invention, the device also comprises a second manually operated control for controlling a selected function. In one embodiment, the first manually operated control consists of a rotatable knob with a plurality of predetermined separable positions for selecting a function, and wherein the second manually operated control comprises two pushbuttons for controlling a selected function. The rotatable knob can be designed as a ring surrounding the two push buttons.
    According to another embodiment of the aforementioned aspect of the invention, the device also comprises a plurality of symbols corresponding to the functions provided by the suspension level system, each symbol being arranged next to an associated position to identify the selected function.
    In accordance with another aspect of the present invention, the above objects are achieved with a motor vehicle provided with at least one device for operating the suspension level system described above. In accordance with yet another aspect of the present invention, the above objects are achieved with a system provided with at least one device for operating the above-described suspension level system.
    Other advantages and applications of the present invention will become apparent from the following detailed description of the invention.
    Brief Description of the Drawings The accompanying drawings are intended to clarify and explain the present invention, and in which: Figure 1 schematically shows a motor vehicle comprising a suspension level system; Figure 2 schematically shows a system comprising a device for operating a suspension level system in accordance with the invention and a suspension level system; Figure 3 shows an embodiment of a device for operating a suspension level system in accordance with the invention; Figure 4A shows a top view of another embodiment of a device for operating a suspension level system in accordance with the invention; and Figure 4B shows a side view of the embodiment of Figure 4A.
    Detailed description of the embodiments of the invention Figure 1 schematically shows an exemplary suspension level system 2 in a motor vehicle 3, e.g. A truck. The suspension level system 2 comprises a front suspension unit 21 associated with a front wheel pair 31, a rear suspension unit 22 associated with a rear wheel pair 32 and a fixed axle suspension unit 23 associated with a fixed axle 33.
    Figure 2 schematically shows a suspension level system 2 and a device 1 for operating the suspension level system in accordance with the invention. Each suspension unit 21, 22, 23 is provided with at least one bellows 24 and at least one valve 25 connected via a pipe system (not shown) to a pneumatic pressure system (not shown), which in turn may comprise a compressor and a pressure tank. The bellows 24 are arranged to supply a mechanical force relative to the amount of air supplied from the pneumatic pressure system via the valve 25, thereby raising or lowering a chassis (not shown) relative to an associated pair of wheels or an associated shaft (31, 32, 33), all in accordance with the amount of air supplied.
    The suspension level system 2 also comprises a control unit 26 for controlling the suspension units 21, 22, 23. The control unit 26 is in this case connected to the suspension units 21, 22, 23 via a communication bus 27. As shown in Figure 2, the system further comprises a device 1 for operating of the suspension level system 2 in accordance with the invention, which is arranged to be in communication with the control unit 26 for operating the suspension level system 2. The communication can e.g. implemented via a communication bus (eg via an electronic control unit, ECU), alternatively via a separate cable for transmitting communication signals from the device 1 to the control unit 26, and vice versa. The communication can also be implemented by means of radio signals via wireless transmission, which is easily understood by a person skilled in the art.
    Figure 3 shows an embodiment of a device 1 for operating a suspension level system 2 in accordance with the invention. The device 1 has a first manually operated control 4 in the form of an annular rotatable knob 44 which surrounds a second manually operated control 5 in the form of two pushbuttons 55, 55 '. The rotatable knob 44 is arranged to be mechanically operable in a plurality of predetermined separable positions, each position corresponding to a function from a selection of several functions which the suspension level system 2 provides. By rotating the (R) knob 44 to a predetermined separable position, a function is selected, and for identifying the selected function, a plurality of symbols are arranged adjacent to the associated positions regarding the first manually operated control 4, as shown in Figure 3. In Figure 3 the symbols are designed as icons, which can be printed on a label which is then applied so as to surround the rotatable knob 44.
    The symbols can also be arranged in associated positions, e.g. by pressing the symbols directly on the first and second operated controls 4, 5. The symbols can be text, color indications or icons. The identification of the selected function can furthermore also be implemented by means of sound / speech signals (with a loudspeaker) or a combination of symbols and sound-speech signals.
    As described above, the embodiment in Figure 3 also comprises a second manually operated control 5 provided with two pushbuttons (an upper 55 and a lower 55 'pushbutton), the two pushbuttons 55 and 55' being arranged for controlling a selected function as the suspension level system 2 provides. The functions F1 - F9, which are illustrated with icon Figure 3, are presented in Table 1, but it should be noted that the suspension level system 2 can provide more functions than the functions shown in said table. The pushbuttons 55, 55 'can alternatively be arranged side by side.
    Table 1 F1 Raise / lower the fixed axle F2 Increase / decrease load movement F3 Set travel level F4 Raise / lower the rear suspension F5 Raise / lower the front suspension F6 Raise / lower the front and rear suspension F7 Activate / deactivate bellows emptying F8 Memory setting activate / deactivate memory setting F9 Memory setting 2 - activate / deactivate memory setting When selecting function F1 (by rotating the knob to the corresponding position) the fixed shaft 23 is raised by pressing the upper button 55, while the fixed shaft 23 is lowered by pressing the lower button 55 '. Correspondingly, the rear suspension 22, the front suspension 21 and the front 21 and the rear 22 suspension are raised or lowered when the upper 55 or lower 55 'button is pressed while the respective function F4-F6 has been selected; load movement will increase or decrease when function F2 has been selected while pressing the upper 55 or lower 55 'button; when function F3 has been selected at the same time as the upper 55 or lower 55 'button is pressed, the suspension level system 2 is set to the driving level and the vehicle 3 is ready for departure; while function F7 refers to activation or deactivation of bellows emptying, which means that the bellows in the suspension level system 2 are emptied and the vehicle as a result occupies the lowest level of the suspension level system 2. This function can be activated or deactivated by pressing the upper 55 or lower 55 'button.
    The functions provided by the suspension level system 2 may also relate to memory functions for storing one or more of the above-mentioned functions F1-F7 as well as activating or deactivating stored memory settings. l Table 1, functions F8 and F9 consist of memory functions. According to one embodiment, a setting is stored in the suspension level system 2 by selecting one of the functions F8 - F9 and then pressing the upper 55 or lower 55 'button for a first time interval, to then activate or deactivate the stored setting by pressing on the upper 55 or lower 55 'button during a second time interval, where the first time interval is preferably longer than the second time interval, e.g. 5 and 3 seconds respectively. Figure 4A shows a top view of another embodiment of a device 1 for operating a suspension level system 2 in accordance with the invention, and Figure 4B shows the same device in a side view. The first manually operated control 4 in this embodiment comprises a control lever 44, which can be rotated (R) to a plurality of predetermined separable positions provided by the suspension level system 2. The control lever 44 is also arranged to be able to be angled up and down in accordance with the arrows A1 and A2, for regulating the selected function.
    The first manually operated control 4 is operable in a first degree of freedom (rotation) with respect to selection of a function and in a second degree of freedom (angle) with respect to control of the selected function. When the device 1 is used, the control lever 44 is rotated to a position corresponding to a desired function and then angled upwards or downwards to control the selected function, for example in the same way as in the description of the embodiment in Figure 3, where the angling is upwards or downwards of the joystick 44 corresponds to the pressing of the upper 55 and lower buttons 55 ', respectively.
    The device 1 for operating a suspension level system 2 in accordance with the invention is preferably mounted on a panel in the cab of the motor vehicle 3. According to an embodiment, the device 1 is releasably mounted on the panel and is further arranged for use outside the cab for the purpose of operating the suspension level system 2. The communication between the device 1 and the suspension level system 2 can, in accordance with the above description, be implemented by wired or wireless communication. . A detachable device 1 in accordance with this embodiment may be preferred when the driver or another person needs to operate the suspension level system 2 from the outside of the cab, e.g. during a loading activity that requires adjustment of the rear suspension. It should be noted that the motor vehicle 3 may comprise two or more devices 1 in accordance with the invention, where a first device 1 is fixedly mounted on the panel for internal use and the second device 1 is intended for external use.
    It should be noted that the present invention is not limited to the embodiments described above, but also relates to and encompasses all embodiments within the scope of the appended independent claims.
    权利要求:
    Claims (11)
    [1]
    Device (1) for operating a suspension level system (2) in a motor vehicle (3), the device (1) comprising a first manually operated control (4) arranged to communicate with said suspension level system (2) for operating the same, wherein the first manually operated control (4) is further arranged to be mechanically operable in a plurality of positions, each position selecting a function from a selection of several functions provided by said suspension level system (2), the device (1) further comprising a second manually operated control (5) arranged to communicate with said suspension level system (2) for controlling said selected function provided by said suspension level system (2), said first manually operated control (4) being constituted by a rotatable knob (44) having a plurality of predetermined separable positions for selecting a function, characterized in that - said second manually operated control (5) comprises two pushbuttons (55, 55 ') for controlling said selected function, and - said rotatable knob (44) is formed as a ring surrounding said two pushbuttons (55, 55'), which upon rotation to a predetermined separable position allows selection of a function, wherein identification of the selected function takes place by means of a plurality of symbols arranged next to the associated positions regarding the first manually operated control (4).
    [2]
    The device (1) according to claim 1, wherein said first manually operated control (4) further comprises a control mechanism for controlling said selected function provided by said suspension level system (2).
    [3]
    Device (1) according to claim 1 or 2, wherein said first manually operated control (4) is mechanically operable in: - a first degree of freedom regarding selection of a function, and - a second degree of freedom regarding control of said selected function. 10 15 20 25 30 10
    [4]
    Device (1) according to claim 1, wherein said two pushbuttons (55, 55 ') are constituted pushbuttons arranged for controlling different functions provided by said suspension level system (2), depending on how long said pushbuttons are pressed down. .
    [5]
    Device (1) according to any one of claims 1-4, wherein the control of said selected function (F) comprises: raising or lowering the front suspension (21), raising or lowering the rear suspension (22), raising or lowering the front (21) and rear (22) suspension, raising or lowering the fixed axle (23), increasing or decreasing the load movement, setting the travel level, activating or deactivating the bellows emptying (24), memory setting, and activation or deactivating memory setting.
    [6]
    Device (1) according to any one of claims 1-5, further comprising a plurality of symbols (7) corresponding to the functions provided by the suspension level system (2), each symbol (7) being arranged adjacent to an associated position for identify the selected function.
    [7]
    Device (1) according to any one of claims 1-6, wherein said device (1) is mounted on a panel (8) in said cab of said motor vehicle (3).
    [8]
    Device (1) according to any one of claims 1-7, wherein said device (1) is arranged to be releasably mounted on said panel (8), and further arranged for use outside said cab for operating said suspension level system ( 2).
    [9]
    Device (1) according to any one of claims 1-8, wherein said device (1) is arranged to communicate with said suspension level system (2) by means of wired or wireless communication.
    [10]
    Motor vehicle (3) comprising at least one device (1) for operating a suspension level system (2) according to any one of claims 1-9. 11
    [11]
    System comprising a suspension level system (2) for a motor vehicle (3) and at least one device (1) for operating the suspension level system (2) according to any one of claims 1-9.
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    SU419997A1|1971-10-06|1974-03-15|Г. М. Дулесов , С. А. Егоров|SWITCH|
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    DE102006060514A1|2006-12-21|2008-06-26|Daimler Ag|Operating and display system for a level control device of a coach or commercial vehicle comprises multifunctional operating units with optical display units and manual operating units|WO2014070083A1|2012-10-29|2014-05-08|Scania Cv Ab|Method and system for load transfer in a vehicle|
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    EP3072716A1|2015-03-27|2016-09-28|Haldex Brake Products GmbH|Pneumatic spring unit|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE0950315A|SE534890C2|2009-05-06|2009-05-06|Device for operating a suspension level system in a vehicle|SE0950315A| SE534890C2|2009-05-06|2009-05-06|Device for operating a suspension level system in a vehicle|
    BRPI1006255-6A| BRPI1006255B1|2009-05-06|2010-04-23|device for operating a suspension level system in a vehicle, motor vehicle and system|
    RU2011149477/07A| RU2478237C1|2009-05-06|2010-04-23|Device to actuate vehicle suspension level control system|
    CN201080019931.6A| CN102414768B|2009-05-06|2010-04-23|Device for operating a suspension level system in a vehicle|
    DE112010001904.5T| DE112010001904B4|2009-05-06|2010-04-23|Device for operating a level control in a vehicle|
    PCT/SE2010/050452| WO2010128933A1|2009-05-06|2010-04-23|Device for operating a suspension level system in a vehicle|
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