CONTACT DEVICE, VEHICLE, AND CHARGING STATION

Abstract

The invention relates to a contact device for being arranged on an electrically driven vehicle, in particular electric bus or the like, or on a charging station for an electrically driven vehicle having at least two contact bar arrangements (10), each comprising one contact bar carrier (11) and at least one contact bar (12) which is disposed on the contact bar carrier and which is electrically connectable to a charging contact of a charging contact carrier of a charging contact device of the charging station or to a contact bar of the vehicle, the contact bar having a connecting device (13) for connecting the contact bar to an electrical conductor (14), which is guidable towards the vehicle or towards the charging station, the connecting device comprising a groove (15), which extends longitudinally in the contact bar, and a connecting element (16), which is attached to the groove, for being connected to the electrical conductor.

Claims

1. A contact device (39) for being arranged on an electrically driven vehicle, in particular electric bus or the like, or on a charging station for an electrically driven vehicle having at least two contact bar arrangements (10, 32, 40), each comprising one contact bar carrier (11) and at least one contact bar (12) which is disposed on the contact bar carrier and which is electrically connectable to a charging contact of a charging contact carrier of a charging contact device of the charging station or to a contact bar of the vehicle, the contact bar having a connecting device (13, 35) for connecting the contact bar to an electrical conductor (14, 41), which is guidable towards the vehicle or towards the charging station, wherein the connecting device comprises a groove (15, 37), which extends longitudinally in the contact bar, and a connecting element (16, 38), which is attached to the groove, for being connected to the electrical conductor.

2. The contact device according to claim 1, wherein the groove (15, 37) is realized as a T-slot.

3. The contact device according to claim 1, wherein the connecting element (16, 38) is realized so as to be moveable along the groove (15, 37).

4. The contact device according to claim 1, wherein the connecting device (13, 35) has a conductor receptacle (18) which is connected to the connecting element (16, 38).

5. The contact device according to claim 4, wherein the conductor receptacle (18) is detachably connected to the connecting element (16, 38).

6. The contact device according claim 1, wherein two or more connecting elements (16, 38) are attached to the groove (15, 37).

7. The contact device according to claim 1, wherein a lower side of the contact bar (12) has the groove (15, 37).

8. The contact device according to claim 1, wherein a surface (19) of an upper side (29) of contact bar (12) is realized so as to be sealed against an environment.

9. The contact device according to claim 1, wherein the contact bar (12) has a heating device (27).

10. The contact device according to claim 9, wherein the heating device (27) is realized by at least one heating wire (28) which is integrated in the groove (15, 37).

11. The contact device according to claim 10, wherein the heating wire (28) is at least partly, preferably fully, molded into a material (29) which is introduced into the groove (15, 37).

12. The contact device according to claim 1, wherein the contact device (39) comprises two contact units (42) which each comprise two contact bar arrangements (10, 32, 40).

13. The contact device according to claim 1 wherein the contact bar carriers (11) are detachably connectable to each other.

14. The contact device according to claim 1, wherein the contact bar carrier (11) has a first supporting structure (22, 33) which is disposed on a first end (21) of the contact bar (12) and a second supporting structure (24) which is disposed on a second end (23) of the contact bar.

15. The contact device according to claim 1, wherein the connecting device (13, 35) has a T-slot nut.

16. An electrically driven vehicle having a contact device (39) according to claim 1.

17. The vehicle according to claim 16, wherein the contact bar arrangements (10, 32, 40) are disposed parallel to each other on the vehicle.

18. A charging station for an electrically driven vehicle having a contact device (39) according to claim 1.

Description

[0031] Hereinafter, a preferred embodiment of the invention will be described in more detail with reference to the accompanying drawings.

[0032] FIG. 1 shows a perspective view of a contact bar arrangement in one embodiment;

[0033] FIG. 2 shows a sectional view of the contact bar arrangement along a line A-A;

[0034] FIG. 3 shows a bottom view of a contact bar arrangement in another embodiment;

[0035] FIG. 4 shows a side view of the contact bar arrangement shown in FIG. 3;

[0036] FIG. 5 shows a top view of a contact device;

[0037] FIG. 6 shows a contact bar arrangement known from the state of the art.

[0038] A combined view of FIG. 1 and FIG. 2 shows a contact bar arrangement 10 which comprises a contact bar carrier 11 and a contact bar 12 which is disposed on contact bar carrier 11 and which can be electrically connected to a charging contact (not shown). Furthermore, contact bar 12 has a connecting device 13 for connecting contact bar 12 to an electrical conductor 14, which is guidable towards the electrically driven vehicle (not shown). In particular, electrical conductor 14 can be connected to a battery (not shown) of the electrically driven vehicles. Connecting device 13 in turn comprises a groove 15, which extends longitudinally in contact bar 12 and which is realized as a T-slot in this case, and a connecting element 16, which is attached to groove 15, for being connected to electrical conductor 14. Connecting element 16 is realized so as to be moveable along groove 15 and can be secured against a movement or displacement in a random position along grove 15 by means of a screw 17 of connecting device 13 and a T-slot nut (not shown) of connecting device 13. Furthermore, connecting device 13 has a conductor receptacle 18 which is screwed into connecting element 16 and which is realized by a cable lug in this case.

[0039] A surface 19 of an upper side 20 of contact bar 12 is realized so as to be sealed against an environment. Contact bar carrier 11 has a first supporting structure 22 which is disposed on a first 21 end of the contact bar 12 and a second supporting structure 24 which is disposed on a second end 23 of the contact bar 12, wherein the supporting structures 22 or 24 can be connected to the vehicle by means of screws 25 or 26. Furthermore, contact bar 12 has a heating device 27, which is realized by a heating wire 28, which is integrated in groove 15. Heating wire 28 is fully molded into a material 29 which is introduced into groove 15. First supporting structure 22 comprises a connection 30 for heating wire 28 and a connection 31, which is realized by a socket, for connecting a cable (not shown) for supplying heating device 27 with power.

[0040] FIG. 2 shows a sectional view of contact bar arrangement 10 along a line A-A with a view in a direction R, i.e., in a direction of first supporting structure 22.

[0041] A combined view of FIG. 3 and FIG. 4 shows a contact bar arrangement 32, which essentially matches contact bar arrangement 10. In particular, a first supporting structure 33 having a connection 34 for a cable (not shown) for supplying a heating device (not shown) with power and a connecting device 35 can be seen, wherein a connecting element 38 can be secured along a groove 37 in a random position by means of a screw 36.

[0042] FIG. 5 shows a contact device 39 which comprises four contact bar arrangements 40. Electrical conductors 41 are connected to contact device 39 by means of a connecting device (not shown). Two contact bar arrangements 40 each are joined to one contact unit 42, contact units 42 being disposed parallel to each other. Within contact units 42, contact bar arrangements 40 are disposed such behind each other that first supporting structures 43 are adjacent to each other or are connected to each other.

[0043] FIG. 6 shows a contact bar arrangement 44 known from the state of the art, comprising a contact bar carrier 45 and a contact bar 46 which has a passage 47. An electrical conductor (not shown) is connected to contact bar 46 by means of a screw (not shown), such that a screw head (not shown) protrudes beyond a contact surface 49 of contact bar 46. Furthermore, contact bar carrier 45 has a heating device 48, a heating wire (not shown in FIG. 6) being inserted into a cavity (not shown), which is located below contact surface 49, of contact bar 46.

[0044] The description, the drawings and the claims contain numerous features in combination. The person skilled in the art will also consider the features individually as expedient and combine them in other useful combinations. For example, if a dependent claim referring back to an independent claim, which comprises an entirety of features A, comprises a feature B and a feature C, the person skilled in the art will expediently also consider the combination of features A with the feature B without feature C. In particular, the person skilled in the art will also combine features of different embodiments illustrated in the drawings.