EP2741306B1 - Identifier for a locking system of a motor vehicle with an illuminated frame device - Google Patents

Description

The invention relates to an identification transmitter for a locking system of a motor vehicle, with a housing, on which at least one actuating member is arranged, which cooperates with an operation arranged in the housing interior switching element.

From the DE 10 2007 036 485 A1 is disclosed an electronic key of a locking system of a motor vehicle, the actuators are illuminated. Inside the housing is a light source, which ensures the necessary illumination of the actuator. Since the requirements with respect to an identification transmitter are steadily increasing, in particular also other areas of the identification transmitter are to be illuminated, it is necessary to appropriately address the identification transmitter in question change or modify. In the DE 10 2008 036531 A1 is also shown an identification transmitter for a locking system of a motor vehicle.

It is an object of the present invention to provide an identification transmitter for a locking system of a motor vehicle, in which further sections can be illuminated on the identification transmitter, whereby the valency of an identification transmitter and the functionality can be increased, at the same time the reliability of the identification transmitter is ensured.

To solve this problem, an identification transmitter with all the features of claim 1 is proposed. In the dependent claims preferred developments are carried out.

For this purpose, the invention provides that the housing has a frame device in which an information carrier is held, which is illuminated by the lighting means. A significant advantage of the invention is that in addition to the housing, a frame device is provided which reliably holds the information carrier and at the same time ensures that a reliable and effective illumination of the information carrier can be achieved. The frame device can serve as additional protection for the housing of the identification transmitter. The housing interior may further be sealed by appropriate sealing means on the housing, wherein it is also conceivable that the seated on the housing frame device may additionally act sealingly. The information carrier can, for. B. have image information that can be read by the user from the outside. About the illumination of the information carrier creates a user-friendly presentation of the information carrier. It is conceivable that the illumination of the information carrier can take place with light of different wavelengths. For example, it may be provided that a lighting only takes place by a defined action of the user, for example, when the user touches or actuates an actuating member of the identification transmitter to z. B. trigger an unlocking or locking process on the motor vehicle side. Different actions on the identification transmitter can furthermore trigger different illumination colors for the information carrier in a further embodiment of the invention.

In a measure improving the invention, a light guide can be arranged on the housing in order to achieve effective illumination of the information carrier; in particular, the light guide can be arranged on the light source on one side and the information carrier on the other side of the light guide. This means that z. B. the border of the information carrier is illuminated. Alternatively and / or additionally, it is conceivable that the information carrier from the side or from below from the direction of the housing is illuminated, so that the user sees the information carrier that "lights up" directly. The optical waveguide is advantageously formed from a polymer optical fiber, which has a low weight, high flexibility, which in addition is insensitive to electromagnetic influences, which means that there is a positive electromagnetic compatibility. In addition, it can be provided that in addition to the actual function of the light guide as a means of illumination additional data information from the outside into the identification transmitter or from the inside of the housing of the identification transmitter data are externally transmitted.

In addition, it can be provided that the frame device is mounted on the housing, wherein the housing has an upper shell and a lower shell, between which the housing interior is, in particular the frame device is attached to the upper shell, in particular the frame device the upper shell is locked. As a rule, sealants are located on the upper and / or lower shell, so that there is a reliable seal inside the housing. Inside the housing are, for example, the light source, electronic components such. As printed circuit board, transmitting and / or receiving units, etc.

Advantageously, the frame device may at least partially obscure the housing of the identification transmitter. In addition, it is conceivable that the actuating member or the actuating members of the identification transmitter are arranged within the frame device, in particular held by the frame device. In addition and / or additionally, the invention encompasses the idea that the actuating means or the actuating member can be illuminated via the same lighting means.

In one possible embodiment of the invention, the information carrier can be arranged rigidly and / or immovably on the housing, in particular on the frame device be. The information carrier may have image information, letters and / or numbers.

Furthermore, the identification transmitter according to the invention may comprise a lighting frame on the information carrier, which frames the information carrier, wherein in particular the lighting frame is a part of the light guide. For example, the lighting frame may be formed of a polymer, in particular, the lighting frame may be made of a polycarbonate. For example, the polycarbonate may be based on 2,2-bis (4-hydroxyphenyl) -propane (bisphenol A), in particular, the lighting frame may be colored. In addition, it is conceivable that the polycarbonate has phosphorous. A particular advantage of the use of polycarbonate in the identification transmitter is that this material is largely resistant to the effects of weathering and radiation. In addition, the use of the polycarbonate in the identification transmitter has the advantage that it is resistant to water and many mineral acids and aqueous solutions of neutral salts and oxidizing agents. In addition, the polycarbonate can be relatively easily processed in the injection molding process because of its high viscosity in the melt, in particular, the lighting frame can form a common component with the housing and / or the frame device. It is also conceivable that the lighting frame is attached to the frame device and / or the housing, wherein the material can be glued well with the respective component, for example via an adhesive, in particular a reaction resin adhesive. Alternatively, polycarbonate via ultrasonic welding and / or high frequency welding on the housing or on the frame device is reliably fastened bar.

In addition, the identification transmitter according to the invention comprises that the frame device has on its upper side a metallic layer or a metallic coating. The metallic coating can, for. B. be printed.

It can also be provided according to the invention that the illumination frame is aligned almost flush with the information carrier and / or the top of the frame device. In addition, it is conceivable that the information carrier rests on the housing, in particular that the information carrier is attached to the upper shell. One possibility is to glue the information carrier to the upper shell.

In a further measure improving the invention, the illumination frame can be formed with an optical structure at least on the side facing the upper shell, whereby incident light is reflected in such a way that a uniform illumination of the illumination frame can be achieved, wherein in particular the optical structure is prism-like. As a result, the image information of the information carrier, which may be printed, for example, on the information carrier, are illuminated uniformly via the optical structure.

In one possible embodiment of the invention, the lighting frame and the frame device may be formed as a common component, in particular, the common component may be a 2K plastic part. Likewise, the invention may include that the lighting frame with the housing, in particular with the upper shell, forms a common component, in particular that this is designed as a 2K plastic part. By reducing the number of components there are assembly advantages.

Advantageously, the lighting frame may have a transport arm which extends between the lighting means and the lighting frame, wherein in particular the transport arm at the mouth to the lighting frame has a funnel-like shape to reliably couple light into the lighting frame. The transport arm can be designed to be flexible so that the transport arm can be aligned individually according to the requirements of the identification transmitter.

For example, it may be provided that the upper shell has a light-transmitting region. Below the light-transmitting area is advantageously the light source which emits light which shines through the light-transmitting area in the direction of the above the upper shell arranged lighting frame. The illumination frame in turn ensures that a corresponding illumination of the edge of the information carrier and / or a direct illumination of the information carrier is ensured.

Likewise, the identification transmitter according to the invention can be designed such that the illumination frame is covered by the frame device, wherein the illumination frame is formed with a region for coupling out the light, which is directed to the information carrier. In this embodiment of the invention, the frame device is not directly visible from the outside by the user. The lighting frame ensures that, for example, the information carrier is reliably illuminated from the side and / or from below, which is seen by the user from outside as a luminous information carrier.

Advantageously, the illumination frame may be formed with a region for coupling out the light, which is aligned in particular plane to the information carrier and / or the top of the frame device or is formed obliquely to the information carrier. In addition, the lighting frame may extend through the upper shell of the housing. The lighting frame is advantageously attached sealingly to the upper shell. Advantageously, the sealing barrier for the housing interior is located on the housing, in particular on the upper shell and the lower shell. Of course, it is conceivable that the frame device can take over additional sealing functions.

A further embodiment of an identification transmitter can provide that the information carrier is embodied with a hologram which can be illuminated via the illumination frame, in particular that the region of the illumination frame for the decoupling of the light is positioned laterally on the hologram. In this case, it is conceivable that the illumination frame is covered by the frame device, so that the user can only recognize a luminous information carrier. Advantageously, it has been found that the outcoupled light has one of the following colors: blue, green or white. It has been found that the just mentioned colors achieve a particularly effective illumination of a three-dimensional image of the hologram. It is particularly advantageous if the hologram is formed from a polymer, and particularly advantageous from a polycarbonate, which can also be used as a material for the lighting frame. It is particularly advantageous if the polycarbonate is colored milky, thereby creating a particularly effective three-dimensional image inside the hologram during lighting with the above colors.

Likewise, the invention comprises that the information carrier has an information layer and a light-transparent layer, wherein the information layer is arranged between the upper shell of the housing and the light-transparent layer. The light transparent layer may, for. B. be a synthetic, glass-like thermoplastic material, in particular PMMA. Due to the good plastic deformability of this material, it has its advantages for the production of the identification transmitter. In addition, the proposed light-transparent layer of PMMA is characterized as scratch-resistant, which has a particularly good light-transmitting property.

The identification transmitter can be part of an active-entry system or a passive entry system of a motor vehicle. In the case of a passive entry system, the invention relates to an identification transmitter for a locking system of a motor vehicle, with a housing, and a housing interior, in which a light source is located, wherein the housing has a frame device, in which an information carrier is held, which is illuminated by the bulb. In the dependent claims 2 to 23 possible embodiments of the invention are mentioned, which can be included in this identification transmitter.

In order that the light from the light source, which is located inside the housing, can be reliably and effectively conducted to the information carrier, it can be provided that the upper shell of the housing has a plurality of openings in which the illumination frame is arranged, the openings being separated from one another by webs are separated. This embodiment of the housing has been shown particularly easy to install.

Fig. 1

eine schematische Ansicht auf einen Identifikationsgeber mit einem Informationsträger, der in einer Rahmenvorrichtung des Identifikationsgebers gehalten ist,

Fig. 2

eine schematische Ansicht auf einen Identifikationsgeber, dessen Informationsträger durch einen Beleuchtungsrahmen beleuchtbar ist,

Fig. 3

eine Detailansicht bezüglich eines Beleuchtungsrahmens,

Fig. 4

eine mögliche Ausführungsform des Identifikationsgebers in Schnittansicht,

Fig. 5

eine weitere Ausführungsform bezüglich eines Identifikationsgebers,

Fig. 6

eine weitere Ausführungsform bezüglich eines Identifikationsgebers,

Fig. 7

eine weitere Ausführungsform bezüglich eines Identifikationsgebers,

Fig. 8

eine weitere Ausführungsform bezüglich eines Identifikationsgebers,

Fig. 9

eine Draufsicht auf das Gehäuse des Identifikationsgebers in einer möglichen Ausführungsform,

Fig. 10

eine Detailansicht bezüglich des Beleuchtungsrahmens in einem weiteren Ausführungsbeispiel,

Fig. 11

eine weitere Ausführungsform bezüglich eines Identifikationsgebers und

Fig. 12

eine weitere Ausführungsform bezüglich eines Identifikationsgebers.

Further advantages, features and details of the invention will become apparent from the following description. With reference to the drawings, several embodiments of the invention are described in detail. The features mentioned in the claims and in the description may each be essential to the invention individually or in any desired combination. Show it:

Fig. 1

a schematic view of an identification transmitter with an information carrier, which is held in a frame device of the identification transmitter,

Fig. 2

a schematic view of an identification transmitter whose information carrier is illuminated by a lighting frame,

Fig. 3

a detailed view with respect to a lighting frame,

Fig. 4

a possible embodiment of the identification transmitter in sectional view,

Fig. 5

a further embodiment with respect to an identification transmitter,

Fig. 6

a further embodiment with respect to an identification transmitter,

Fig. 7

a further embodiment with respect to an identification transmitter,

Fig. 8

a further embodiment with respect to an identification transmitter,

Fig. 9

a top view of the housing of the identification transmitter in a possible embodiment,

Fig. 10

a detailed view with respect to the lighting frame in a further embodiment,

Fig. 11

a further embodiment with respect to an identification transmitter and

Fig. 12

a further embodiment with respect to an identification transmitter.

All embodiments relate to an identification transmitter 1 for a locking system 2 of a motor vehicle 3, which schematically in FIG. 1 is shown. The identification transmitter 1 comprises a housing 20, on which at least one actuating member 21st is arranged. In the present embodiment according to FIG. 1 two actuators 21 are shown, which can trigger a defined function by an operation. In this case, the motor vehicle 3 communicates with the identification transmitter 1, wherein an authentication query takes place during the communication between the identification transmitter 1 and the motor vehicle 3. In a positive authentication, the safety mechanism of the motor vehicle 3 z. B. make an unlocking or locking the vehicle doors and / or the tailgate and / or the trunk. Other functions are conceivable.

Within the identification transmitter 1 is not explicitly shown electronics, which may include, among other things, a transmitting and / or receiving unit to enable reliable communication with the motor vehicle 3. According to FIG. 2 the electronics has a switching element 23, which via an actuation of one of the actuators 21 according to FIG. 1 is activatable. Furthermore, the electronics comprises a lighting means 24, which is located in the housing interior 22. About the bulb 24 can be in FIG. 1 illuminated information carrier 30 illuminate. According to FIG. 1 and FIG. 2 is illustrated that the housing 20 has a frame device 10 in which the information carrier 30 is held.

The frame device 10 is fixed to the housing 20, wherein the housing 20 according to the embodiment of FIG. 1 from an upper shell 25 and a lower shell 26 is composed. Between the two shells 25, 26 is the housing interior 22, in which the above-mentioned electronics is located. The information carrier 30 is rigidly and immovably arranged on the housing 20, wherein the information carrier 30 according to the embodiments of FIG. 4 to FIG. 8 such as FIG. 11 is reliably held on the frame device 10. In FIG. 1 and FIG. 2 a light guide 40 is provided which achieves reliable illumination of the information carrier 30. According to FIG. 2 the light guide 40 is arranged on one side of the light source 24 and associated with the information carrier 30 to the other side, where it includes the information carrier 30 geometrically. In this case, the information carrier 30 has a lighting frame 41, which framed this information carrier 30, wherein the lighting frame 41 is a part of said light guide 40.

The light guide 40 is made of a polycarbonate, in the present embodiment of a polycarbonate on 2,2-bis (4-hydroxyphenyl) propane (bisphenol A) formed (Makrolon).

In the embodiment according to FIG. 4 It is shown that the illumination frame 41 framed the information carrier 30, wherein the frame device 10 at least partially covers the illumination frame 41. The frame device 10 thus has a step or a kind of step and thus reliably holds the illumination frame 41. In the illumination, the light 4 radiates directly into the environment to the outside. The coupling of the light 4 from the light source 24, in particular an LED, into the illumination frame 41 can, for example, in accordance with FIG. 2 respectively.

For a reliable coupling in the area of the luminous means 24, the lighting frame 41 is in accordance with FIG. 2 formed with a transport arm 43, wherein between the lamp 24 and the lighting frame 41 of the transport arm 43 extends. The transport arm 43 has at the mouth to the lighting frame 41 a funnel-like shape 44, which schematically in FIG. 3 is shown to reliably couple light 4 into the lighting frame 41.

According to the FIG. 5 a further embodiment of the identification transmitter 1 is shown, wherein the upper shell 25 has openings 28 through which the light guide 40 extends. As in FIG. 4 Emitting the light 4 in the outer region of the identification transmitter 1, wherein reliably the information carrier 30 is illuminated in its outer area.

According to FIG. 7 and FIG. 8 The frame device 10 completely covers the illumination frame 41, wherein the illumination frame 41 is formed with a region 45 for coupling out the light 4, which is directed laterally to the information carrier 30. In the present exemplary embodiment, the information carrier 30 is a hologram, wherein advantageously the light 4 coupled out in the region 45 has one of the following colors: blue, green or white.

According to FIG. 8 the information carrier 30 has an information layer 32 and a light-transparent layer 33. The information layer 32 is disposed between the upper shell 25 of the housing 20 and the light transparent layer 33. The information layer 32 may, for. B. on the upper shell 25 or on the underside of the light-transparent layer 33 and have corresponding image information. The information carrier 30 can be illuminated reliably via the lateral illumination via the illumination frame 41, the image information 31 of the information layer 32 being clearly visible from the outside.

The embodiment according to FIG. 6 essentially corresponds to the identification transmitter FIG. 4 respectively. FIG. 5 , wherein the region 45 for coupling out the light 4 runs obliquely. According to FIG. 4 and FIG. 5 the region 45 for coupling out the light 4 is aligned substantially plane to the information carrier 30 and plane to the top 11 of the frame device 10.

In FIG. 11 It is shown that the upper shell 25 of the housing 20 has a light-transmitting region 27 which lies between the light-emitting means 24 and the illumination frame 41. The region 4 for coupling out the light 4 is in the same position as in FIG FIG. 4 respectively. FIG. 5 ,

In FIG. 9 the upper shell 25 of the housing 20 is shown, which has a plurality of openings 28 in which the illumination frame 41 can be used according to all embodiments shown. The openings 28 to each other are separated by webs 29. The geometry of the openings 28 advantageously corresponds to the outer contour of the information carrier 30, whereby a reliable illumination can be achieved.

According to FIG. 10 the illumination frame 41 is formed on the side facing the upper shell 25 with an optical structure 42, whereby incident light 4 from the light source 24 is reflected within the illumination frame 41, so that a uniform illumination of the illumination frame 41 can be achieved. According to FIG. 10 the optical structure 42 is prism-like.

In FIG. 12 the identification transmitter 1 has an information carrier 30 which, as in FIG FIG. 7 is held by the frame device 10. The information carrier 30 is as in FIG. 7 and FIG. 8 a hologram. The information carrier 30 is rigidly and immovably arranged on the housing 20. In the present embodiment, the housing 20 is at least below the information carrier 30 light transparent. For example, a lighting means 24 may be arranged directly below the housing 20, so that the information carrier 30 is illuminated from below, at the same time the light 4 exits to the outside. Also encloses the in FIG. 12 illustrated embodiment that a light guide 40, in particular a lighting frame 41 is provided below the housing 20, which can reliably illuminate the information carrier 30 from below. As with the other embodiments, the light is coupled into the light guide 40 via a lighting means 24th

According to all embodiments, it is conceivable that the lighting frame 41 and the frame device 10 are designed as a common component, in particular as a 2K plastic part. It may also be provided that the illumination frame 41 and the housing 20, in particular the upper shell 25, form a common component, in particular a 2K plastic part.

It is conceivable that the information carrier 30 is glued to the upper shell 25, whereby a reliable attachment is effected.

LIST OF REFERENCE NUMBERS

1

identification transmitter

2

locking system

3

motor vehicle

4

light

10

frame device

11

top

20

casing

21

actuator

22

housing interior

23

switching element

24

Lamp

25

upper shell

26

lower shell

27

Light transmissive area

28

Opening for 40

29

web

30

information carrier

31

image information

32

information layer

33

light transparent layer

40

optical fiber

41

lighting frame

42

optical structure

43

transport arm

44

funnel-like shape

45

Area for decoupling the light

Claims (15)

1. Identification device (1) for a closing system (2) of a motor vehicle (3) with a housing (20) at which at least one actuation body (21) is assembled which interacts with a switch element (23) assembled in a housing interior (22) upon actuation, a illumination means (24) within a housing interior (22) characterized in that the housing (20) comprises a frame device (10) in which an information carrier (30) is retained which can be illuminated by an illumination means (24), wherein the information carrier (30) comprises an illumination frame (41) which frames the information carrier (30).
2. Identification device (1) according to claim 1, characterized in that a light conductor (40) is assembled at the housing (20) in order to achieve a reliable illumination of the information carrier (30), particularly that the light conductor (40) is assembled towards one side of the illumination means (24) and the light conductor (40) is assigned towards the other side to the information carrier (30).
3. Identification device (1) according to claim 1 or 2, characterized in that the frame device (10) is assembled on the housing (20), wherein the housing (20) comprises an upper shell (25) and a lower shell (26) between which the housing interior (22) is assembled, wherein particularly the frame device (10) is assembled at the upper shell (25), particularly that the frame device (10) is fixed to the upper shell (25), wherein particularly the upper shell (25) comprises a light (4) transmitting area (27).
4. Identification device (1) according to one of the preceding claims, characterized in that the information carrier (30) is rigidly and/or immobily assembled at the housing (20), particularly at the frame device (10), wherein particularly the illumination frame (41) is part of the light conductor (40).
5. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) is configured from polymer, particularly that the illumination frame (41) is configured from polycarbonate and/or that the polycarbonate is based on 2,2-BIS(4-hydroxyphenyl)-propane (bisphenol A), particularly that the illumination frame (41) is colored.
6. Identification device (1) according to one of the preceding claims characterized in that the frame device (10) comprises a metallic layer or a metallic coating at its surface (11).
7. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) is adjusted essentially planar to the information carrier (30) and/or towards the surface (11) of the frame device (10) and/or that the information carrier (30) rests on the housing (20), particularly that the information carrier (30) is assembled at the upper shell (25).
8. Identification device (1) according to one of the preceding claims, characterized in that image information (31) is printed on the information carrier (30).
9. Identification device (1) according to one of the preceding claims characterized in that the illumination frame (41) is configured with an optic structure (42) at least at the side facing the upper shell (25), wherein incident light (4) is reflected such that an even illumination of the illumination frame (41) is achievable, wherein particularly the optic structure (42) is configured prismatic.
10. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) and the frame device (10) are configured as a common component, particularly that the common component is a 2c-plastic part.
11. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) comprises a transportation arm (43), which proceeds between the illumination means (24) and the illumination frame (41), wherein particularly the transportation arm (43) comprises a funnel-like form (44) at the outlet to the illumination frame (41) in order to couple light (4) reliably into the illumination frame (41).
12. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) is covered by the frame device (10), wherein the illumination frame (41) is configured with an area (45) for decoupling of light (4), which is directed towards the information carrier (30) and/or that the illumination frame (41) is configured with an area (45) for decoupling of light (4) which is adjusted particularly planar towards the information carrier (30) and/or the surface (11) of the frame device (10) or transverse towards the information carrier (30).
13. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) and the housing (20), particularly the upper shell (25) comprise a common component, particularly configured as a 2c-plastic part.
14. Identification device (1) according to one of the preceding claims, characterized in that the illumination frame (41) proceeds through the upper shell (25) of the housing (20) and/or that the information carrier (30) is configured with a hologram, which can be illuminated via the illumination frame (41), particularly that the area (45) of the illumination frame (41) is positioned laterally at the hologram for decoupling the light (4) and/or that the decoupled light (4) comprises one of the following colors: blue, green or white.
15. Identification device (1) according to one of the preceding claims, characterized in that the information carrier (30) comprises an information layer (32) and a light-transparent layer (33), wherein the information layer (32) is assembled between the upper shell (25) of the housing (20) and the light-transparent layer (33) and/or that the upper shell (25) of the housing (20) comprises a plurality of openings (28) in which the illumination frames (41) are assembled, wherein the openings (28) are separated from one another by bridges (29).

Images