• 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:
    SUMMARY The present invention relates to a method for determining the operating status of an air deflector device of a vehicle. The vehicle has a longitudinal axis parallel to the normal direction of travel of the vehicle and which vehicle comprises a first vehicle body and a second vehicle body arranged behind the first vehicle body and extends upwards and / or sideways beyond the first vehicle body. The air deflector device is supported by said first vehicle body and is adjustable relative to said longitudinal axis for the purpose of reducing air resistance. The air deflector device is adjustable by means of adjusting means, a parameter corresponding to the required adjusting force being sensed when the air deflector device is displaced. The method is characterized by the step of comparing (S1) processes of said parameters determined at different times, whereby changes between said processes are used as a basis for assessing said functional status. The present invention relates to a system for determining the operating status of an air deflector device of a vehicle, and to a motor vehicle comprising such a system. The present invention also relates to a computer program and a computer program product. (Fig. 6)
    公开号:SE1450236A1
    申请号:SE1450236
    申请日:2014-03-04
    公开日:2015-09-05
    发明作者:Jonny Johansson；Morgan Colling
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    Then to be set by means of control unit to the position where the value of the parameter is at its lowest, which corresponds to the minimum air resistance during travel. This automatically enables correct adjustment of the roof air deflector device. However, such a solution entails increased mechanical use by adjusting the roof air deflector device in the form of sweeps between positions of the roof air deflector device, which affects wear and increases the need for service.
    Inspection, service and maintenance of such ceiling air deflector devices is relatively complicated as they are high and difficult to access, for example for a ceiling air deflector device.
    OBJECT OF THE INVENTION An object of the present invention is to provide a method and a system for determining the functional status of an air deflector device of a vehicle which facilitates the determination of service and maintenance needs.
    SUMMARY OF THE INVENTION These and other objects, which appear from the following description, are achieved by means of a method, a system, a motor vehicle, a computer program and a computer program product of the kind initially indicated and further having the features set forth in the characterizing part of the appended independent claims. Preferred embodiments of the method and system are defined in the appended dependent claims.
    According to the invention, the objects are achieved with a method for determining the operating status of an air deflector device of a vehicle, which vehicle has a longitudinal axis parallel to the normal direction of travel of the vehicle and which vehicle comprises a first vehicle body and a second vehicle body arranged behind the first vehicle body and extending upwardly. / or laterally in addition to the first vehicle body, the air deflector device being supported by said first vehicle body and being adjustable relative to said longitudinal axis for air resistance reducing purpose, the air deflector device being adjustable by means of adjusting means and a parameter adjusting force the air deflector device, comprising the step of: processes of said corresponding required are sensed in the case of parameters determined at different times, whereby changes between said processes are used as a basis for assessing said functional status.
    This facilitates the determination of service and maintenance needs in that the functional status of the roof air deflector device can be easily determined without having to perform manual inspections. Furthermore, this enables optimization of when service and maintenance is to take place, which means that unnecessary workshop visits can be avoided. Furthermore, it is possible to integrate such comparisons in service routines where the need for service can be predicted and where flexible / dynamic service and maintenance intervals can be introduced based on the functional status thus determined.
    According to an embodiment of the method, said process is sensed during the displacement process of said air deflector device between a first position and a second position. By thus sensing the course of said parameter between a first and a second position, preferably between end positions, good statistics are obtained of the operating status of the air deflector device in the different positions as a basis for assessing the operating status.
    According to an embodiment of the method, said disguise takes place at a standstill or at a low speed. This makes it possible to easily determine maintenance and service needs in that the conditions are the same for each such disguise / sweep where deviations and deteriorations over time are clearly apparent.
    According to an embodiment of the method, said disguise takes place during travel. This enables the detection of deviations under conditions in which the air resistance reducing function of the air deflector device is utilized, which ensures determination of the functional status. For example, deviations that may not be detected during stationary disguise can be detected.
    According to an embodiment of the method, changes between said processes are used as a basis for assessing how quickly and / or how much the functional status changes. This optimizes the assessment of when service and maintenance is to take place, which means that unnecessary workshop visits are avoided, as well as integration into service routines where the need for service can be predicted and where flexible / dynamic service and maintenance intervals can be introduced based on the thus established functional status.
    The embodiments of the system have the same advantages as the corresponding embodiments of the method mentioned above.
    DESCRIPTION OF THE DRAWINGS The present invention will be better understood with reference to the following detailed description read in conjunction with the accompanying drawings, in which like reference numerals refer to like parts throughout the many views, and in which: Fig. 1a schematically illustrates a side view of an air deflector device motor vehicles according to an embodiment of the present invention; Fig. 1b schematically illustrates a plan view of the vehicle of Fig. 1a; Figs. 2a-c schematically illustrate an air deflector device arranged in a motor vehicle set in different positions; Fig. 2a shows the roof air deflector device in Figs. 2a-c; schematically illustrates end positions and adjustability of FIG. 3a schematically illustrates parameters corresponding to the required adjusting force as a function of position for reference displacement processes and displacement processes underpass for an air deflector device according to the present invention; Fig. 3b schematically illustrates reference travel processes and travel processes during travel according to Fig. 3a for different positions of the roof air deflector device; comparison between parameters for FIG. 4a schematically illustrates parameters corresponding to the required adjusting force as a function of position for a reference display at different times for an air deflector device according to an embodiment of the present invention; FIG. 4b schematically illustrates parameters corresponding to the required adjusting force as a function of position for a reference display at different times for an air deflector device according to the present invention; Fig. 5 schematically illustrates a block diagram of a system for determining the operating status of an air deflector device of a vehicle according to an embodiment of the present invention; Fig. 6 schematically illustrates a block diagram of a method for determining the operating status of an air deflector device of a vehicle according to an embodiment of the present invention; and Fig. 7 schematically illustrates a computer according to an embodiment of the present invention.
    DESCRIPTION OF EMBODIMENTS Here, the term "link" refers to a communication link which may be a physical line, such as an opto-electronic communication line, or a non-physical line, such as a wireless connection, for example a radio or microway link. Fig. 1a schematically illustrates a side view of a motor vehicle provided with air deflector device 10, 20, 30 according to an embodiment of the present invention and Fig. 1b a plan view of the vehicle in Fig. 1a. The vehicle comprises a system I for determining the operating status of an air deflector device of a vehicle which facilitates the determination of service and maintenance needs. The vehicle 1 has a longitudinal axis X parallel to the normal direction of travel of the vehicle. The vehicle comprises a first front vehicle body 2 and a second rear vehicle body 4 arranged behind the first vehicle body 2.
    Def first vehicle body has a cab section with a roof 2a and two opposite sides 2b, 2c.
    The second vehicle body 4 is arranged behind the roofed cab part.
    The second vehicle body 4 extends upwards beyond the first vehicle body 2 and over the roof 2a. The second vehicle body 4 extends laterally beyond the first vehicle body 2, i.e. extends beyond the sides 2b, 2c of the first vehicle body 2.
    According to the embodiment illustrated in Figs. 1a-b, the vehicle 1 is constituted by a truck 1, where the first vehicle body 2 is constituted by a tractor 2 and the second vehicle body 4 is constituted by a trailer 4. The trailer 4 is interchangeable and the height and width of such a trailer can consequently vary.
    The first vehicle body 2 can also constitute a vehicle body arranged to carry a load itself, where the load then constitutes the second vehicle body 4. Such a load can vary.
    The vehicle may be any suitable vehicle with a first vehicle body and a second vehicle body extending outwardly beyond the first vehicle body.
    The first vehicle body 2 may consist of a passenger car and the second vehicle body 4 of a caravan extending beyond the passenger car or a trailer extending in itself and / or with load above and / or on the sides of the passenger car.
    The vehicle 1 is provided with three air deflector devices 10, 20, 30, a roof 2a vehicle body 2, a first side deflector device 20 arranged on one roof deflector device 10 arranged on the first side 2b and a side deflector device arranged on the second side 2c of the first vehicle body 2. Respiratory device 10, 20, 30 are arranged to be supported by said first vehicle body.
    Respective air deflector device 10, 20, 30 is adjustable relative to said longitudinal axis X for air resistance reducing purpose. Respective air deflector devices 10, 20, 30 are arranged to direct air resistance-reducing air A which the vehicle 1 displaces during travel.
    Respective air deflector device 10, 20, 30 comprises an air deflector 12, 22, 32 with a front end 12a, 22a, 32a and a rear end 12b, 22b, 32b with respect to the forward direction of travel of the vehicle.
    Accordingly, the roof air deflector device 10 has a roof air deflector 12 having a front end 12a and a rear end 12b, the roof air deflector 12 having a forward and downward slope from the rear end 12b to the front end 12a forming an angle relative to the longitudinal axis X.
    Accordingly, the side air deflector device 20 has a side air deflector 22 having a front end 22a and a rear end 22b, the side air deflector 22 having a forward and inward inclination toward the vehicle side from the rear end 22b to the front end 22a forming an angle relative to the longitudinal axis X.
    Accordingly, the side air deflector device 30 has a side air deflector 32 having a front end 32a and a rear end 32b, the side air deflector 32 having a forward and inward inclination toward the vehicle side from the rear end 32b to the front end 32a forming an angle relative to the longitudinal axis X. 12, 22, 32 may have any suitable design for directing air for air resistance reducing purposes when driving the vehicle 1.
    The roof air deflector 12 is adjustable by rotating about an axis Z running in the width width of the vehicle across the longitudinal direction of the vehicle and perpendicular to the longitudinal axis X adjacent to the front end 12a.
    The side air deflector 22 is adjustable by rotation about an axis Y1 running in the height extension of the vehicle across the longitudinal direction of the vehicle and perpendicular to the longitudinal axis X in connection with the front end 22a.
    The side air deflector 32 is adjustable by rotation about an axis Y2 adjustable by rotation about an axis Y2 running in the height extension of the vehicle across the longitudinal direction of the vehicle and perpendicular to the longitudinal axis X adjacent to the front end 32a.
    The respective air deflector device 10, 20, 30 is adjustable by means of adjusting means, not shown in Figs. 1a-b. Respective air deflector devices 10, 20, 30 hereby comprise adjusting means for adjusting air deflectors 12, 22, 32. Adjusting means are described in connection with Fig. 5. Said adjusting means can be constituted by any suitable adjusting means for adjusting an air deflecting device. Said actuating means according to an embodiment comprises an electric motor. Said adjusting means alternatively comprise a pneumatic or hydraulic motor.
    Figs. 2a-c schematically illustrate an air deflector device 10 arranged in a motor vehicle set in different positions where flow of air A directed by means of the air deflector device 10 is illustrated for the different positions. The vehicle is according to a variant of the vehicle 1 illustrated in Figs. 1a-b and consequently has a first vehicle body 2 and a second vehicle body 4 which extends upwards and / or laterally beyond the first vehicle body 2.
    Fig. 2a illustrates a position where the rear end of the air deflector 12 is substantially higher than the height of the rear vehicle body 4, Fig. 2b where the rear end of the air deflector 12 is substantially lower than the height of the rear vehicle body 4, and Fig. 2c where the rear end of the inverter 12 is correctly set relative to the rear vehicle body 4.
    The air deflector device is illustrated here as a ceiling air deflector device 10 with a ceiling air deflector 12. the side air deflector device 20 or the side air deflector device 30.
    The air deflector device could also constitute When traveling, the vehicle will be exposed to air load, where the air load depends on the angle of the air deflector 12 relative to the longitudinal axis X parallel to the vehicle's normal direction of travel, and the position of the air deflector 12 relative to the rear vehicle body. flows towards the surface of the inverter increases the greater the angle relative to the axis X is. Air flowing past creates a reduced air pressure above the roof air deflector and consequently a lifting force acting on the air deflector 12.
    The air deflector creates a space C between the first vehicle body 2 and the air deflector 12.
    In Fig. 2a, where the air deflector of the air deflector device 10 is set in a position so that the rear end of the roof air deflector 12 is substantially higher than the height of the rear vehicle body, an overpressure and a reaction force F1 will be created.
    In Fig. 2b, where the air deflector of the air deflector device 10 is set in a position so that the rear end of the roof air deflector 12 is substantially lower than the height of the rear vehicle body, a negative pressure and a reaction force F2 will be created.
    In Fig. 2c where the deflector of the deflector device 10 is set in a position so that the rear end of the roof deflector 12 substantially corresponds to the height of the rear vehicle body, air will flow evenly over the deflector 12 and further over the other vehicle body 4. In this a reaction force F3 is directed towards The external deflector according to the reaction force F1 in the case of Fig. 2a and an opposite reaction force F4 directed from the inside according to the reaction force F2 in the case of Fig. 2b to substantially take each other out.
    Fig. 2d schematically illustrates end positions and adjustability of the roof air straightening device 10 in Figs. 2a-c.
    The air deflector device is illustrated here as a ceiling air deflector device 10 with a ceiling air deflector 12. the side air deflector device 20 or the side air deflector device 30.
    The deflector device could also constitute the deflector device 10 is adjustable in an adjustment process between a first position P1 and a second position P2. Accordingly, the air deflector 10 is adjustable between the first position P1 in which position the air deflector has an angle relative to the longitudinal axis X parallel to the normal direction of travel of the vehicle which is relatively larger, and the second position P2 in which position the air deflector has an angle relative to the longitudinal axis X is relatively smaller.
    The air deflector device 10 and in this case the air deflector 12 can be adjusted by means of adjusting means 40 between the first position P1 and the second position P2.
    FIG. 3a schematically illustrates a parameter corresponding to the required adjusting force as a function of position for reference displacement processes as well as displacement processes during travel for an air deflector device according to the present invention.
    The air deflector device consists of a ceiling air deflector device 10 according to Fig. 2d.
    The adjusting force corresponds to the force required for the adjusting means 40 to displace the air deflector device 10 by turning the air deflector 12 between positions P1 and P2. In the case of an actuator in the form of an electric motor, the actuating force corresponds, for example, to the required electric current.
    The dotted curve illustrates a reference adjustment process arranged to take place at a standstill or at a low speed. Low speed refers to a speed where air towards the vehicle does not substantially affect the actuating force to displace the air deflector. The reference disguise sequence constitutes a disguise sequence between the first position P2 according to Fig. 2d. In this case, the reference adjustment process in the form of a sweep between the position P1 and the position P2. position P1 and others take place The reference disguise process can also be called a reference sweep.
    The actuating force increases with the position, ie. the angle relative to the longitudinal axis X and here the height of the rear end of the air deflector 10 relative to the rear vehicle body 4.
    The solid curve illustrates a disguise process during travel, called a travel disruption process, arranged to take place during travel, at a speed where air towards the vehicle affects the actuating force to displace the air deflector.
    The travel adjustment process, like the reference transfer process, constitutes a transfer process between the first position P1 and the second position P2 according to Fig. 2d. In this case, the travel adjustment process takes place in the form of a sweep between position P1 and position P2. The travel disguise process can also be called a travel sweep.
    The actuating force is affected by the position of the air deflector, ie. the angle relative to the longitudinal axis X and here the height of the rear end of the air deflector 10 relative to the rear vehicle body 4.
    Fig. 3b illustrates reference travel processes and travel processes during travel according to Fig. 3a schematically comparing parameters for different positions of the roof air deflector device. By thus comparing the reference production process with the travel process, it is possible to determine the position at which the lowest air resistance will be. This position corresponds to the position where the difference in actuating force between actuating force at different positions in the reference adjustment process and actuating force at corresponding positions in the travel adjustment process, actuating force, is lowest. By making this comparison, the mechanism of the air deflector is taken into account, ie. also that the air deflector can mechanically go slower / easier in certain situations. FIG. 4a and 4b schematically illustrate parameters corresponding to the required adjusting force as a function of position for a reference adjustment process at different times for an air deflector device according to an embodiment of the present invention. The adjustment processes have taken place at a standstill or at a low speed.
    Accordingly, here a parameter corresponding to the required adjusting force in the displacement of sensed reference displacement displacement processes of the air deflector device has between the first position P1 and the second position P2 according to Fig. 2d. the air deflector device 10 through The times between which the reference adjustment processes were performed could be at each travel of the vehicle, with the corresponding. at regular intervals or In the example of Fig. 4a, a first reference distortion sequence is performed at a first time where the sequence is illustrated in the form of a first curve R1, a second reference distortion sequence is performed at a second time where the sequence is illustrated in the form of a second curve R2, a third a reference disguise sequence is performed at a third time point where the sequence is illustrated in the form of a third curve R3 and a fourth reference disguise sequence is performed at a fourth time point where the sequence is illustrated in the form of a fourth curve R4. In this case, the operating status of the air deflector device is obtained.
    In the example in Fig. 4a, the required adjusting force increases with time, whereby service and maintenance needs can be determined. In this way, optimization of when service and maintenance should take place can be easily determined. Consequently, service and maintenance needs can be predicted, whereby service routines with flexible / dynamic service and maintenance intervals can be introduced based on the function status thus determined. Accordingly, no manual inspections are required to determine the operating status of the roof air deflector device.
    When determining the functional status, it is both the change over time and the absolute value that are taken into account, ie. the forward service need can be predicted using the trend and the absolute value of the curve is used to indicate the current service need.
    In the example in Fig. 4b, a first reference disguise sequence is performed at a first time where the sequence is illustrated in the form of a first curve R1a and a second reference disguise sequence is performed at a second time where the sequence is illustrated in the form of a second curve R2a. In the example in Fig. 4b During the second adjustment process, a rapid increase of actuating force takes place at a position P1, which may be due to the fact that the air deflector device in this particular position has some mechanical fault which causes it to be slower in that position.
    This may be due to the air deflector device being damaged, for example that the vehicle has run into a branch or the like. It can also be due to the air deflector device, ie. the air deflector flips back and forth in that particular position when setting the correct position due to the fact that a trailer with the same height is often used, whereby the wear in that particular position becomes greater. In this case, such errors can be detected and remedied. In this case, it is possible to control, for example, the position of the roof air deflector so that positions there are avoided in order to prevent the roof air deflector from running sluggishly. The roof air deflector device must break.
    Parameters such as weather conditions could also be taken into account. For example, precipitation could make the air deflector device run easier.
    According to an example not shown, the corresponding travel disruption processes could be compared in different ways at different times. It would enable the detection of deviations under conditions in which the air resistance reducing function of the air deflector device is utilized, which ensures the determination of the operating status. For example, deviations that may not be detected during stationary disguise can be detected.
    Fig. 5 schematically illustrates a block diagram of a system I for determining the operating status of an air deflector device 10; 20; Of a vehicle according to an embodiment of the present invention. The system I comprises an electronic control unit 100.
    System I includes means 110 for sensing a parameter corresponding to the required adjusting force when displacing the air deflector device 10; 20; The means 110 for sensing a parameter corresponding to the required actuating force comprises any suitable sensor for such sensing. The means 110 for sensing a parameter corresponding to the required actuating force is connected to the actuating means 40 for sensing the parameter. The adjusting means 40 is constituted according to a variant of an electric motor, the means 110 being arranged to sense the electric current required to displace the air deflector device 10; 20; 30, i.e. the air rider 12; 22; 32 of the air deflector device 10; 20; 30.
    The system comprises means 100, 120 for comparing the course of said parameters determined at different times. The means 100, 120 for including comparing the course of said parameters determined at different times include the electronic control unit 100.
    The means 100, 120 for comparing the progress of said parameters determined at different times include, according to a variant, means for presenting results of the comparisons for evaluation. The means 120 for presenting results of the comparisons according to a variant comprises a server unit, which may consist of an external server unit for informing workshop and / or haulier. The means 120 for presenting results of the comparisons according to a variant comprises a display unit which may be a display unit in the vehicle for informing the driver and / or an external display unit. The means 120 for presenting results of the comparisons according to a variant comprise a so-called smartphone and / or a so-called tablet and / or a computer.
    The electronic control unit 100 is signal connected to the means 110 for sensing a parameter corresponding to the required adjusting force when displacing the air deflector device via a link 110a. The electronic control unit 100 is arranged via the link 110a to receive a signal from the means 110 representing data for the course of parameters corresponding to the required adjusting force when displacing the inverter device during the course of the change.
    The electronic control unit 100 is arranged to compare said data representing processes of parameters at different times, where change between said processes is used as a basis for assessing the functional status of the rectifier device 10; 20; 30.
    The electronic controller 100 is signal connected to the means 120 for presenting results of the comparisons included via a link 120a. The electronic control unit 100 is arranged via the link 120a to send a signal to the means 120 representing data for functional status based on assessment of the comparisons between the processes.
    The electronic control unit 100 is also arranged to compare said data representing processes of parameters for reference performance processes and travel processes in order to determine the position where the difference in actuating force is at its lowest.
    The electronic control unit 100 is signaled to the actuator 40 for controlling the inverter device 10; 20; The electronic control unit 100 is arranged to send a signal to the setting means 40 for setting the position of the air deflector 12, 22, 32 of the air deflector device 10; 20; Based on the determined lowest difference in setting force between the reference adjustment process and the travel process so that the inverter device is set in the position which results in the lowest air resistance.
    Fig. 6 schematically shows a block diagram of a method for determining the operating status of an air deflector device of a vehicle, which vehicle has a longitudinal axis parallel to the normal direction of travel of the vehicle and which vehicle comprises a first vehicle body and a second vehicle body arranged behind the first vehicle body and stretcher upwards and / or laterally in addition to the first vehicle body, wherein the deflector device is supported by means of said first vehicle body and is adjustable relative to said longitudinal axis for air resistance reducing purpose, wherein the deflector device is adjustable by means of adjusting means and wherein a parameter is | | force the air deflector device according to an embodiment of the present invention. According to one embodiment, the method for determining the operating status of an air deflector device of a vehicle comprises a step S1. In this step, the course of said parameter determined at different times is compared, whereby changes between said course are used as a basis for assessing said functional status.
    Referring to Fig. 7, there is shown a diagram of an embodiment of a device 500. The controller 100 described with reference to Fig. 5 may in one embodiment include the device 500. The device 500 includes a non-volatile memory 520, a data processing unit 510, and a read / write memory 550. 530 wherein a computer program, such as an operating system, is stored to control the function. The non-volatile memory 520 has a first memory portion of the device 500. Furthermore, the device 500 comprises a bus controller, a serial communication port , I / O means, an A / D converter, a time and date input and transfer unit, an event counter and an interrupt controller (not shown). The non-volatile memory 520 also has a second memory portion 540.
    A computer program P is provided which comprises routines for determining the operating status of an air deflector device of a vehicle, which vehicle has a longitudinal axis parallel to the normal direction of travel of the vehicle and which vehicle comprises a first vehicle body and a second vehicle body arranged behind the first vehicle body and extending and / or laterally in addition to the first vehicle body, the air deflector device being supported by said first vehicle body and being adjustable relative to said longitudinal axis for air resistance reducing purposes, the air deflector device being adjustable by adjusting means and wherein a parameter adjusts the air deflector device according to the corresponding required position. of the innovative procedure. The program P 10 15 20 25 17 comprises routines for comparing the course of said parameter determined at different times, whereby changes between said course are used as a basis for assessing said functional status. The program P can be stored in an executable manner or in a compressed manner in a memory 560 and / or in a read / write memory 550.
    When it is described that the data processing unit 510 performs a certain function, it is to be understood that the data processing unit 510 performs a certain part of the program which is stored in the memory 560, or a certain part of the program which is stored in the read / write memory 550.
    The data processing device 510 can communicate with a data port 599 via a data bus 515. The non-volatile memory 520 is intended for communication with the data processing unit 510 via a data bus 512. The separate memory 560 is intended to communicate with the data processing unit 510 via a data bus 511. the data processing unit 510 via a data bus 514. To the data port 599, the read / write memory 550 is arranged to communicate with e.g. the links connected to the control units 200; 300 connected.
    When data is received on the data port 599, it is temporarily stored in the second memory part 540. Once the received input data has been temporarily stored, the data processing unit 510 is arranged to perform code execution in a manner described above. The received signals on the data port 599 can be used by the device 500 to compare the progress of said parameters determined at different times, changes between said processes being used as a basis for assessing said functional status.
    Parts of the methods described herein may be performed by the device 500 by means of the data processing unit 510 running the program stored in the memory 560 or the read / write memory 550. When the device 500 runs the program, the methods described herein are executed.
    The above description of the preferred embodiments of the present invention has been provided for illustrative and descriptive purposes. It is not intended to be exhaustive or to limit the invention to the variations described. Obviously, many modifications and variations will occur to those skilled in the art. The embodiments have been selected and described to best explain the principles of the invention and its practical applications, thereby enabling one skilled in the art to understand the invention for various embodiments and with the various modifications appropriate to the intended use.
    权利要求:
    Claims (13)
    [1]
    A method for determining the operating status of an inverter device (10; 20; 30) of a vehicle (1), which vehicle has a longitudinal axis (X) parallel to the normal direction of travel of the vehicle (1) and which vehicle (1) comprises a first vehicle body (2) and a second vehicle body (4) arranged behind the first vehicle body (2) and extending upwards and / or laterally beyond the first vehicle body (2), the air deflector device (10; 20; 30) being supported by said first vehicle body (2) and is adjustable relative to said longitudinal axis (X) for air resistance reducing purpose, wherein the air deflector device (10; 20; 30) is adjustable by means of adjusting means (40) and wherein a parameter corresponding to the required adjusting force is sensed when adjusting the air deflector device (10; 20; 30), characterized by the step of: comparing (S1) processes (R1, R2, R3, R4, R1a, R2a) of said parameters determined at different times, changes between said processes being used as a basis for judgment of said functional status.
    [2]
    A method according to claim 1, wherein said course (R 1, R 2, R 3, R 4, R 1a, R 2a) is sensed during the displacement process of said inverter device (10; 20; 30) between a first position (P1) and a second position (P2) .
    [3]
    A method according to claim 2, wherein said disguising process takes place at a stationary or a low speed.
    [4]
    A method according to claim 2 or 3, wherein said disguise takes place during travel.
    [5]
    A method according to any one of claims 1-4, wherein changes between said processes (R1, R2, R3, R4, R1a, R2a) are used as a basis for assessing how quickly and / or how much the functional status changes.
    [6]
    System (I) for determining the operating status of a deflector device (10; 20; 30) of a vehicle (1), which vehicle (1) has a longitudinal axis (X) parallel to the normal direction of travel of the vehicle (1) and which vehicle (1) comprises a first vehicle body (2) and a second vehicle body (4) arranged behind the first vehicle body (2) and extending upwards and / or laterally beyond the first vehicle body (2), wherein the inverter device ( 10; 20; 30) is arranged to be supported by means of said first vehicle body (2) and is adjustable relative to said longitudinal axis (X) for air resistance reducing purpose, wherein the air deflector device (10; 20; 30) is adjustable by means of adjusting means (40) and wherein means (110) is present to sense a parameter corresponding to the required adjusting force in the actuation of the inverter device (10; 20; 30), characterized by means (100, 120) for comparing processes (R1, R2, R3, R4, R1a, R2a) of said parameters determined at different times kter, whereby changes between said processes are used as a basis for assessing said functional status.
    [7]
    A system according to claim 6, wherein said processes (R1, R2, R3, R4, R1a, R2a) are arranged to be sensed during the displacement process of said deflector device (10; 20; 30) between a first position (P1) and a second position (P2).
    [8]
    A system according to claim 7, wherein said disguise is arranged to take place at a standstill or at a low speed.
    [9]
    A system according to claim 7 or 8, wherein said disguise is arranged to take place while driving.
    [10]
    A system according to any one of claims 6-9, wherein changes between said processes (R1, R2, R3, R4, R1a, R2a) are intended to be used as a basis for assessing how quickly and / or how much the functional status changes.
    [11]
    Motor vehicle comprising a system (I) according to any one of claims 6-10. determining the air deflector device of a vehicle, wherein said computer program (P) comprises
    [12]
    Computer program (P) for the operational status of a program code which, when run by an electronic control unit (100) or another computer (500) connected to the electronic control unit (100), enables the electronic control unit to perform the steps according to claim 1-5.
    [13]
    A computer program product comprising a digital storage medium which stores the computer program according to claim 12.
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    同族专利:
    公开号 | 公开日
    DE102015002715B4|2020-10-01|
    DE102015002715A1|2015-09-10|
    SE539044C2|2017-03-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP2626281B1|2012-02-09|2016-06-08|Scania CV AB |An air guiding device and a method of reducing the air resistance of a ground vehicle|EP3393892B1|2015-12-21|2020-01-29|Volvo Truck Corporation|A wind deflector arrangement|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1450236A|SE539044C2|2014-03-04|2014-03-04|Method and system for determining the operating status of an air directing device of a vehicle|SE1450236A| SE539044C2|2014-03-04|2014-03-04|Method and system for determining the operating status of an air directing device of a vehicle|
    DE102015002715.8A| DE102015002715B4|2014-03-04|2015-03-04|Method and system for determining the functional status of a spoiler device of a vehicle|
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