DE102015106316A1 - vehicle component - Google Patents

Abstract

The present invention relates to a vehicle component (1) for a vehicle (100) having an energy store (101) and to a vehicle (100) having such a vehicle component (1) and to a method for operating a vehicle component (1). The vehicle component (1) has a display device (2) for displaying information about the storage state of the energy store (101). In this case, the display device (2) is at least partially arranged on a rear side (13) of an interior mirror (3) of the vehicle (100) so that the information displayed by means of the display device (2) can be recognized from outside the vehicle (100).

Description

The present invention relates to a vehicle component for a vehicle having at least one energy store and to a vehicle having such a vehicle component and to a method for operating a vehicle component.

There are vehicle components for state of charge of the state of charge have become known that let a user standing outside the vehicle detect the state of charge of a traction battery. That's how it shows US 8 125 180 B2 a vehicle with an exterior mirror, which has a connection socket for charging the traction battery. The charge level can be displayed in the mirror area.

With the DE 10 2011 115 161 A1 an indication of the state of charge of a traction battery has become known, which is coupled with existing lighting devices of the vehicle. So the state of charge z. B. be displayed by a flashing frequency or a brightness of a headlight or turn signal.

The DE 10 2012 007 224 A1 describes a state of charge indicator, which indicates the state of charge of the traction battery by means of light emitting diodes, which are provided for the lighting device of the vehicle. For example, light emitting diodes of the headlight are used, which light green, yellow or red, depending on the state of charge.

In the DE 10 2013 226 188 A1 an ambient light is described, the state of charge of a drive battery z. B. projected onto the floor in front of the vehicle. For this purpose, the ambient light can be mounted, for example, on a side mirror.

In contrast, it is the object of the present invention to provide a vehicle component which makes possible an improved display of memory states of the energy stores in vehicles.

This object is achieved by a vehicle component having the features of claim 1 and by a vehicle having the features of claim 11 and by a method having the features of claim 12. Preferred developments are the subject matter of the subclaims. Further advantages and features of the present invention will become apparent from the general description and the description of the embodiment.

The vehicle component according to the invention is provided for a vehicle with at least one energy store. The vehicle component comprises at least one display device. The display device is suitable and designed to display information about the storage state of the energy storage device. In this case, the display device is at least partially disposed on a rear side of an interior mirror of the vehicle. The display device is arranged in particular such that at least a part of the information displayed by means of the display device can be recognized from outside the vehicle. Preferably, all of the information displayed by means of the display device can be recognized from outside the vehicle.

The vehicle component according to the invention has many advantages. A considerable advantage results from the arrangement of the display device on the rear side of the inner mirror. As a result, the display device is arranged relatively high above the ground, so that the displayed information is also clearly visible from a distance and different perspectives. The arrangement on an interior mirror, for example, a person standing in front of or next to the vehicle quickly and easily recognize in which state of charge the vehicle is located. If charging is necessary, a charging plug can be connected directly without having to get into the vehicle.

Another advantage of the attachment to an interior mirror is that this is usually already present in a vehicle and learns by the equipment with the vehicle component according to the invention a meaningful and economic double benefit. In addition, at the back of an interior mirror for a display sufficient space available, so that the display device does not interfere or even disturbing there. A particular advantage is that such attachment requires little design effort, since there usually appropriate connections or wiring harnesses can be used. In addition, an interior mirror provides a good receptacle for a secure attachment of the display device in the interior. In particular, electronic components in the interior with less effort to accommodate than about the outside of the vehicle.

The interior mirror is designed and suitable in particular for observing the traffic at the rear. In particular, an at least indirectly and preferably directly mounted in the interior interior mirror is provided. For example, the rearview mirror can be fastened to a windshield and / or a frame part of the windshield and / or to a lining of the interior. Also possible are other suitable for the automotive industry places and ways of mounting an interior mirror.

The arrangement of the display device takes place in particular on a side facing away from the driver in the driving position of the inner mirror. In particular, the rear side of the inner mirror faces the mirroring side. It is possible that a part of the display device is arranged on a side region of the interior mirror. Such a configuration allows even better recognition of the displayed information, for example, from a person standing next to and / or behind the vehicle.

It is also possible that a part of the display device is arranged on the driver facing side of the inner mirror. However, the display device can also be arranged substantially completely and in particular completely on the rear side of the interior mirror. In addition to the display device on the interior mirror, further display elements can be provided. For example, an indicator may be provided in the dashboard.

In particular, the display device is suitable and designed to display information about the storage state of a traction battery of an at least partially electrically operated motor vehicle. In such vehicles, the vehicle component can be used particularly advantageously, since it depends on the information about the storage state of the traction battery, whether the vehicle can be used at all or if it must be charged first, for example. The motor vehicle is designed in particular as an electric vehicle and / or a hybrid vehicle. It is also possible that the vehicle component is provided for a motor vehicle with fuel cell drive and z. B. indicates the storage state of a fuel and / or oxidant. The vehicle component can also be used to display a fossil fuel.

In a particularly preferred embodiment, the display device is integrated in a housing of the interior mirror. Such an embodiment has the advantage that on the one hand a very inconspicuous mounting of the display device is possible, which does not disturb the design or the overall appearance of the interior. On the other hand, this still ensures good visibility of the displayed information. The display device is housed in particular within the housing. The housing preferably has at least one recess, through which the display device is at least partially and in particular completely readable. The display device may also be integrated into other components of the interior mirror, such. B. in a frame, a support member, a cover and / or a mounting device.

Particularly preferably, the display device is suitable and designed to display information about a state of charge of the energy storage. In particular, at least the states of charge are charged and / or partially discharged and / or discharged. Also possible are other gradations. In all embodiments, the memory state and in particular the state of charge can also be indicated by numerical values and / or symbols and / or letters and / or pictograms. Also possible are graphics. It is also possible to provide acoustic and / or haptic display forms.

In particular, the display device is also suitable and designed to display a charging time of the energy store. In particular, a remaining charging time during a charging process can be displayed. It is also possible that a required charging time for a future charging process is displayed. The display can be made by specifying numerical values with or without time unit. The loading time can also be symbolized, z. B. based on a stylized clock and / or a time scale.

The display device is preferably suitable and designed to display a range, in particular taking into account the current state of charge. Such information about the storage state of the energy storage are particularly suitable for an externally readable display, since the user can thus decide before boarding whether the state of charge for the desired route is sufficient or he must choose another vehicle.

The display device is preferably suitable and designed to display the state of charge and the charging time and the range. It is also possible that further information about the memory state of the display device can be displayed, for. As the operating temperature, the number of charging cycles and / or a state of wear of the energy storage.

The display device is in particular suitable and designed to display various information about the memory state in succession. It is also possible that the display device can simultaneously display at least two and preferably more information about the memory state. Particularly preferably, the display device is suitable and designed to display the information about the state of charge and charging time of the energy storage and the range in a change. In particular, a continuous change is made.

The display duration of a particular type of information is preferably 5 seconds. Also possible are shorter or longer periods, such. 2 seconds or 8 seconds or 15 seconds or more. It is also possible that the display duration can be preset by the user. If critical values relating to the memory state occur, the associated information can also be displayed longer or permanently. It can also be a complementary visual and / or audible indication to the user. There may also be provision for manually switching between the display of various types of information.

A particularly preferred and advantageous embodiment provides that the display device comprises at least one display. This allows a particularly informative and detailed indication of the memory status. It can essentially be used on all suitable displays, such. As LCD, Amoled and / or touch-sensitive displays. It is also possible that the display unit comprises 2 or more displays. The display unit may include at least one display and other display elements such. B. at least one light emitting diode and / or a bar display of several LEDs. In particular, light-emitting diodes with different luminous colors are used. The display device may also comprise only light-emitting diodes as display means.

In all embodiments, it is preferred that the vehicle component comprises at least one control device. The control device is in particular suitable and designed to communicate with at least one monitoring device of the energy store. The monitoring device may for example be part of a charging device of the vehicle, such as. For example, an on-board charger (On Board Charger, OBC). The monitoring device can be designed as a battery management system. The monitoring device detects in particular at least one parameter which is characteristic of the state of charge of the energy store. In addition, the monitoring device can determine the remaining charge time and / or a range of the vehicle based on the state of charge. The control device of the vehicle component is preferably suitable for communicating via an existing vehicle network with the monitoring device of the energy store, for. B. via a CAN bus system.

It is particularly preferred that the control device is suitable and configured to change from a sleep mode to an active mode by means of at least one signal of the monitoring device. In idle mode, an at least partial deactivation of the display is provided in particular. After such a change, the control device preferably retrieves information about the storage state of the energy storage device from the monitoring device. In particular, a display of the retrieved information then takes place by means of the display device. Such an embodiment has the advantage that the user information about the memory state can be displayed without this himself must make an activation or, for example, must switch on the ignition.

Such a signal may preferably be transmitted by the monitoring device when new and / or changed information about the memory state is available. This is the case, for example, when the storage device is completely charged and / or discharged and / or another change in the state of charge occurs. The controller may also switch to active mode when the user makes a manual input or approaches the vehicle with a remote key. It is possible for the control device to remain in the active mode as long as a charging process continues. The control device can remain in an active mode until the accumulator is fully charged and / or until a corresponding signal for switching to the sleep mode is transmitted by the monitoring device.

Preferably, the controller changes after the charging of the energy storage in the sleep mode. It is also possible that the control device changes to the idle mode if no information is provided by the monitoring device over a certain period of time. It is possible that the control device requests a corresponding signal from the monitoring device before changing to the sleep mode.

It is possible and preferred that the vehicle component is designed as an expansion module. Such an embodiment has the advantage that the vehicle can be equipped with the vehicle component particularly inexpensively during manufacture or subsequently. For example, the expansion module can be designed as a plug-in module which can be connected to an already existing vehicle network. For this purpose, the expansion module preferably comprises at least one connection device for connection to the monitoring device and / or a power supply of the vehicle. By way of example, the expansion module may include a suitably assembled cable harness and / or have a controller suitable for communication with the vehicle network.

The vehicle component may include at least one interior mirror. Such a configured vehicle component has the advantage that the display device can be mounted together with the rearview mirror and connected to the vehicle network. As a result, the assembly and manufacturing costs are significantly reduced. In particular, the expansion module comprises an interior mirror.

The vehicle according to the invention comprises at least one energy store and in particular at least one traction battery. In particular, the vehicle is designed as an electric vehicle and / or a hybrid vehicle. At least one vehicle component is provided for displaying information about the storage state of the energy store. The vehicle component comprises at least one display device, which is arranged at least partially on a rear side of an interior mirror.

Such a vehicle can be used particularly advantageous as a fleet vehicle, as directly from the parking area from the memory state can be seen, so that vehicles z. B. can be selected with a suitable range.

The method according to the invention serves to operate a vehicle component with which information about the storage state of an energy store for a vehicle is displayed. In particular, information about the storage state of an electric traction battery of a motor vehicle is displayed. The information is displayed at least partially on a rear side of an interior mirror of the vehicle. The information is preferably displayed on the back so that they are at least partially and in particular completely visible from outside the vehicle.

The method according to the invention has the advantage that the information about the memory state is displayed on the rear side of the interior mirror. This central and elevated display position significantly improves the visibility. This is particularly advantageous when the state of charge of several vehicles must be monitored, such as in the fleet vehicles of companies or car rental companies. This often occur very different states of charge, since the vehicles are used in the meantime different or borrowed. By the method according to the invention, the state of charge of the fleet can now be surveyed quickly and by a mere approach to the vehicle. If, for example, the range is displayed as information about the memory state, it is also possible to select exactly those which reach the desired destination with their current state of charge even in the case of many vehicles parked next to one another.

Further advantages and features of the present invention will become apparent from the embodiment, which will be explained below with reference to the accompanying figures.

In the figures show:

1 a schematic front perspective view of a vehicle with a vehicle component according to the invention; and

2 an enlarged schematic view of the vehicle component according to 1 ,

The 1 shows a with a vehicle component according to the invention 1 equipped vehicle 100 , which is here as an electrically powered motor vehicle 103 or electric vehicle is formed. The vehicle component presented here 1 can be operated particularly advantageous by the method according to the invention.

The car 103 has an electrically operated drive device 106 , which have a traction battery 102 trained energy storage 101 is supplied. To charge the traction battery 102 is a charger 111 with a monitoring device 104 in the motor vehicle 103 accommodated. For charging, the charger can 111 be supplied via a connecting cable with electrical energy from a supply network. The charger 111 can also be connected wirelessly via a corresponding induction device to the supply network.

The vehicle component 1 includes a display device 2 , which at the back 13 an interior mirror 3 is arranged. The interior mirror 3 is about a joint 43 with a receiving element 33 connected, which in the interior of the vehicle 100 is attached. The display device is provided here, information about the storage state of the energy storage 101 display. This is the display device 2 with the monitoring device 104 operatively connected so that, for example, the state of charge, a remaining charge duration and / or a range and other information can be displayed.

The arrangement on the back 13 of the interior mirror 3 allows for easy reading from outside the vehicle 100 , By referring to the vehicle 100 high positioning of the display device 2 Even a remote user can recognize displayed information well. This is especially beneficial when the vehicle 100 together with others Parked vehicles on a parking area, as is often the case, for example, in car rental companies or companies with fleet vehicles. The increased attachment of the display device 2 A cover by adjacent and preceding vehicles significantly. For the vehicle component presented here 1 Thus, there are significant advantages over displays that are deeper on a vehicle 100 are attached, for example in the field of a headlight or an exterior mirror.

In the 2 is the vehicle component 1 of the 1 shown enlarged. The display device 2 is in a housing 23 of the interior mirror 3 integrated. The housing 23 points to the back 13 a recess 53 on, so a display 12 the inside of the interior mirror 3 accommodated display device 2 is readable. For example, the display 12 is formed as a multicolor or monochrome liquid crystal display (e.g., LCD). Such a display 12 allows a particularly legible presentation of the displayed information, such as text, symbols and / or other visual cues. In an alternative embodiment, the display device 2 also one or more light emitting diodes complementary or alternative to the display 12 exhibit.

The display device shown here 2 can for example have one on the back 13 arranged LED unit 22 with one or more LEDs. Thus, for example, information about the state of charge can be displayed on the basis of the color of the LEDs or on the number of illuminated LEDs. In an alternative embodiment, the display device has 2 via one side of the housing 23 of the interior mirror 3 arranged LED unit 32 , The lateral arrangement has the advantage that also behind the vehicle 100 Standing persons can easily recognize information about the memory status. For example, an LED indicator 22 . 23 with a display 12 combined, so first information also from a greater distance to the vehicle 100 can be identified by the LED display and detailed information is then shown on the display 12 can be read.

The vehicle component 1 features here next to the display device 2 via a control device 4 which has a controller 14 with a vehicle network 124 is in active connection. In addition, the control device includes 4 a microcontroller 24 and a control unit 34 for controlling the display 12 , Here is the controller 14 implemented here as a CAN transceiver, which is via the vehicle network 124 with a likewise designed as a CAN transceiver controller 114 the monitoring device 104 of the energy store 101 communicated.

So the control device 4 with the monitoring device 104 communicate and query information about the memory state, such as the state of charge, the remaining charge time and / or the remaining range. The data underlying this information is captured by the monitoring device 104 in particular for the control of the charging process and for the control of the operating state of the energy storage 101 , The monitoring device 104 here is part of the in-vehicle charger 111 , Preferably, the display device 2 over the charger 111 or the monitoring device 104 energized.

The display device shown here 2 can from the controller 4 be put into an energy-saving sleep mode. This is the case, for example, when the control device 4 from the monitoring device 104 gets notified that the energy storage 101 fully charged and charging is complete. The display device 2 can go from a sleep mode to an active mode, in which in particular the information about the memory state are displayed and, for example, the sleep mode by a signal of the monitoring device 104 finished and the active mode can be set. Preferably, this is the CAN transceiver 14 . 114 the control device 4 and the monitoring device 104 via the CAN vehicle network 124 weckfähig.

After switching to active mode, the microcontroller takes over 24 a self-test and controls the control unit 34 of the display 12 at. The control unit 34 then performs a self-test of the display. Subsequently, the display device is located 2 in an operational active mode. Subsequently, the control device asks 4 the monitoring device 104 on the presence of a charge request. Is the energy storage 101 fully charged and there is no charge request, the display changes 2 in the sleep mode. This is especially the display 12 switched off and set a quiescent current consumption.

In the case of an at least partially discharged energy storage or a charging request, the control device asks 4 the values required for the display of the memory state information from the monitor 104 from. For example, values for the state of charge and / or the remaining charge are displayed and / or the remaining range is queried. This is followed by a plausibility check of the queried values. In the case of implausible values, for example an error message in the display 12 be issued. If plausible values are present, the values are displayed 12 displayed.

The display of the information about the memory state is preferably alternated on the display 12 displayed. For example, the information about the state of charge is displayed for a duration of 5 seconds. Subsequently, a cross-fading to display the information about the remaining charge, which also lasts 5 seconds. After another transition, the remainder range is displayed for another 5 seconds. Then the cycle begins again, starting with the indication of the state of charge. Preferably, this pass is maintained until by the monitoring device 104 a message about the end of charging or a complete charge of the energy storage 101 he follows.

The vehicle component shown here 1 is as an extension module 11 executed, which as a plug-in module with a very low design effort in a vehicle 100 can be implemented. In this case, the display device 2 on the basis of the in the control device 4 integrated controller 14 directly to a vehicle network in the vehicle 124 be coupled. In addition, the modular design allows a particularly uncomplicated integration of the display device 2 in the case 23 of the interior mirror 3 , It is also possible that the vehicle component as an expansion module 11 is formed, which already has an interior mirror 3 includes. This will be the implementation of the vehicle component 1 in a vehicle 100 even more simplified, since only the assembly of the interior mirror 3 and the network connection are necessary.

LIST OF REFERENCE NUMBERS

1

vehicle component

2

display

3

Rear View mirror

4

control device

11

expansion module

12

display

13

back

14

controller

22

LED unit

23

casing

24

microcontroller

32

LED unit

33

receiving element

34

control unit

43

joint

53

recess

100

vehicle

101

energy storage

102

traction battery

103

motor vehicle

104

monitoring device

105

windscreen

106

driving means

111

charger

114

controller

124

Vehicle network

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• US 8125180 B2 [0002]
• DE 102011115161 A1 [0003]
• DE 102012007224 A1 [0004]
• DE 102013226188 A1 [0005]

Claims (12)

Vehicle component ( 1 ) with at least one display device ( 2 ) for displaying information about the storage state of an energy store ( 101 ) of a vehicle ( 100 ), characterized in that the display device ( 2 ) at least partially on a back side ( 13 ) of an interior mirror ( 3 ) of the vehicle ( 100 ) is arranged so that at least a part of the by means of the display device ( 2 ) displayed outside the vehicle ( 100 ) is recognizable. Vehicle component ( 1 ) according to claim 1, wherein the display device ( 2 ) for displaying information about the storage state of a traction battery ( 102 ) of an at least partially electrically operated motor vehicle ( 103 ) is provided. Vehicle component ( 1 ) according to the preceding claim, wherein the display device ( 2 ) in a housing ( 23 ) of the interior mirror ( 3 ) is integrated. Vehicle component ( 1 ) according to one of the preceding claims, wherein the display device ( 2 ) is suitable and designed, information about a state of charge and / or a charging time of the energy storage ( 101 ) and / or to display a range. Vehicle component ( 1 ) according to the preceding claim, wherein the display device ( 2 ) is suitable and designed, the information about the state of charge and the charging time of the energy storage ( 101 ) and to display the range alternately. Vehicle component ( 1 ) according to one of the preceding claims, wherein the display device ( 2 ) at least one display ( 12 ). Vehicle component ( 1 ) according to one of the preceding claims, comprising at least one control device ( 4 ), which is suitable and designed for this purpose, with at least one monitoring device ( 104 ) of the energy store ( 101 ) to communicate. Vehicle component ( 1 ) according to the preceding claim, wherein the control device ( 4 ) is suitable and designed by at least one signal of the monitoring device ( 104 ) from a sleep mode to an active mode and information about the memory state of the energy storage ( 101 ) from the monitoring device ( 104 ) and display. Vehicle component ( 1 ) according to one of the preceding claims, which is used as an expansion module ( 11 ) is trained. Vehicle component ( 1 ) according to one of the preceding claims, comprising an interior mirror ( 3 ). Vehicle ( 100 ) with at least one energy store ( 101 ), in particular with an electric traction battery ( 102 ), characterized in that for displaying information about the storage state of the energy store ( 101 ) at least one vehicle component ( 1 ) with at least one at least partially on a back side ( 13 ) of an interior mirror ( 3 ) of the vehicle ( 100 ) arranged display device ( 2 ) is provided. Method for operating a vehicle component ( 1 ), wherein a memory state of an energy store ( 101 ) of a vehicle ( 100 ) is displayed, characterized in that information about the memory state at least partially on a back side ( 13 ) of an interior mirror ( 3 ) of the vehicle ( 100 ) so that the information is at least partially read from outside the vehicle ( 100 ) are recognizable.

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