• 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:
    A contacting system (1; 16; 22) for establishing an electrical connection between a vehicle and a power supply (11) having a first pole and a second pole for charging the vehicle, wherein secondary contact surfaces (5,6; The second insulation surface (14; 20; 27) has at least one minimum width (W1, W2; W3, W4) which is greater than the extent of the contour of one of the contacted primary contact surfaces (8; 23) in the same direction (X, Y, Z).
    公开号:AT518326A1
    申请号:T50250/2016
    申请日:2016-03-25
    公开日:2017-09-15
    发明作者:Ing Hermann Stockinger Dipl；Ing Manuel Leibetseder Dipl
    申请人:Ing Hermann Stockinger Dipl；
    IPC主号:
    专利说明:

    Kontaktungssvstem for establishing an electrical connection between a
    Vehicle and a power supply
    The invention relates to a contacting system for establishing an electrical connection between a vehicle and a power supply having a first pole and a second pole for charging the vehicle, comprising: a primary transmission element, the plurality of structured arranged against each other electrically insulated each having an outer contour primary Having contact surfaces, and having a secondary transfer element, the at least one first secondary
    Contact surface, for contacting the first pole, and at least a second secondary contact surface, for contacting the second pole, wherein the secondary contact surfaces are electrically insulated from each other, and with control means, which are adapted to determine first primary contact surfaces, the first secondary contact surface and configured to determine second primary pads that contact the second secondary pad, and that are configured to make electrical connection via the first primary pads and the first secondary pads to energize the vehicle, and to establish an electrical connection are formed via the second primary contact surfaces and the second secondary contact surface between the second pole of the power supply and the second pole of the vehicle.
    Such a contacting system is known for example from document EIS 8,307,967 B2, which discloses a vehicle having a secondary transmission element and a primary transmission element embedded in the lane of a parking lot. When the vehicle driven by an electric motor is parked in the parking lot, a mechanism lowers the secondary transmission element to the primary transmission element, allowing electrical current to flow to charge the vehicle power supply via contact surfaces of the transmission elements.
    The embedded in the roadway of the parking primary transmission element is formed by two rows of rectangular or grid-shaped arranged round electrically mutually insulated primary contact surfaces. The primary transmission element is associated with control means associated with each of the primary contact surfaces on the one hand and with a positive pole and a negative pole of a
    Low voltage power source in the range of 12 to 24 volts on the other hand are connected. By means of the control means, each of the primary contact surfaces, which are initially switched floating, are connected to the positive pole or to the negative pole.
    The disclosed in US 8,307,967 B2 secondary transmission element on the vehicle has a number of square secondary contact surfaces, wherein the sizes of the contact surfaces were chosen so that there can be no short-circuiting of the contact surfaces of a transmission element by contact surfaces of the other transmission element. After mechanically lowering the secondary transmission element to the primary transmission element, the control means determine which primary and secondary contact surfaces are in electrical contact and then connect the mating primary contact surfaces of the primary transmission element to the positive pole and the mating secondary contact surfaces of the secondary transmission element to the negative pole of the low voltage source, so that the power supply of the vehicle is charged.
    In the known contacting system has proved to be a disadvantage that take the charging process takes a relatively long time with the low-voltage source, which is why the power supply of the vehicle at a parking time of, for example, only one hour is not fully charged. For safety reasons, the use of voltages above the low-voltage range between the positive pole and the negative pole can not be carried out, since otherwise electrification may occur if, for example, a person grasps under the vehicle and onto the contact surfaces during the charging process.
    The invention has for its object to provide a contacting system in which the charging time to fully charge the power supply in the vehicle can be reduced, at the same time the necessary security must be guaranteed.
    According to the invention, the present object is achieved by a contacting system in which a second insulating surface surrounding the secondary contact surfaces is provided which has at least one optionally direction-dependent minimum width that is greater than the extension of the contour of one of the contacted primary contact surfaces in the same direction.
    This ensures that primary contact surfaces, which are switched by the control means from the floating state and connected to the positive pole or the negative pole because they are in electrical contact with secondary contact surfaces are reliably covered by the second insulating surface. This has the advantage that there is no danger that a person, for example with a finger, can touch a contact surface connected to the positive pole or the negative pole. Since this is ensured, voltage sources having voltages of 60 volts or more may also be applied between the positive pole and the negative pole of the primary pads, allowing the vehicle's power supply to be charged with higher currents during a shorter charging time.
    The outer contour of the primary contact surfaces can be direction-independent, as is the case for example with circular primary contact surfaces. The outer contour of the primary contact surfaces can also be direction-dependent, as is the case, for example, with a hexagonal or oval contour of the primary contact surfaces.
    The width of the second insulating surface, for shielding live poles against contact by persons, can now be chosen so wide that it is always sufficiently wide for a direction-independent as well as for a direction-dependent contour of the primary contact surface. This is inventively achieved when the width of the second insulating surface is chosen to be wider than the circumferential circle around the largest outer contour of the primary contact surfaces. As a result, the advantage is obtained that the secondary transmission element can be lowered direction-independent for contacting the first transmission element.
    According to another embodiment of the invention, however, the width of the second insulating surface can also be chosen so widely depending on the direction that it is just slightly wider than the width of the contacted primary contact surface in the same direction. In this case, however, positioning means must be provided which ensure that the secondary transmission element is lowered for contacting aligned with the primary transmission element. As a result, the advantage is obtained that the secondary transmission element can be made very small, which facilitates its integration into the vehicle.
    Further advantageous embodiments of the contacting system according to the invention for producing an electrical connection between a vehicle and a power supply for charging the vehicle are explained in more detail below with reference to the figures.
    FIG. 1 shows a first exemplary embodiment of the contacting system according to the invention, in which a second secondary contact surface completely surrounds a first secondary contact surface of the secondary transmission element.
    Figure 2A shows a primary contact surface of the primary transmission element according to Figure 1 in an enlarged view.
    FIG. 2B shows the secondary contact surfaces of the secondary transmission element according to FIG. 1
    FIG. 3 shows the grid-shaped primary contact surfaces of the primary transmission element according to FIG. 1.
    Figure 4 shows a second embodiment of the contacting system according to the invention, in which a first secondary contact surface and a second secondary contact surface are designed as a circle segment and surrounded by an insulating surface.
    Figure 5 shows the primary transmission element and the secondary transmission element of a third embodiment of the contacting system according to the invention, in which the outer contour of the primary contact surfaces and the width of the second insulating surface of the secondary transmission element are different directions depending on the direction.
    FIG. 6 shows a primary contact surface of the primary transmission element according to FIG. 5 in an enlarged view.
    Figures 1 to 3 show a first embodiment of a contacting system 1 for establishing an electrical connection between a vehicle and a power supply with a positive pole and a negative pole for charging the vehicle. Of the vehicle, only a battery 2, a charging circuit 3 and a secondary transmission element 4 is shown, to which the vehicle energy for charging the battery 2 is supplied. In Ligur 2B is a first secondary contact surface 5, which is connected via the charging circuit 3 to the positive pole of the battery 2, and a second secondary contact surface 6, which is connected via the charging circuit 3 to the negative pole of the battery 2, the secondary transmission element 4 ,
    The contacting system 1 further comprises a ligament 3 shown in the street surface of a parking lot embedded or mounted primary transmission element 7, which has a plurality of structured and in particular arranged in a grid shape against each other electrically insulated primary contact surfaces 8 with a uniform outer hexagonal contour. A circumferential circle with a diameter D defines the outer contour of the primary contact surfaces 8.
    The contacting system 1 further comprises control means 9 which are connected to each of the primary contact surfaces 8. For reasons of clarity, only a few of these connecting lines 10 are shown in FIG. The control means 9 are further connected to a voltage source 11, which is connected to the local power grid with, for example, 380 volts and provides a DC voltage of 60 volts, 120 volts, 200 volts or more between the positive pole and the negative pole. The control means 9 are designed to determine first primary contact surfaces 12, which contact the first secondary contact surface 5, and are designed to determine second primary contact surfaces 13, which contact the second secondary contact surface 6. After determining the first primary contact pads 12 and the second primary contact pads 13, the control means 9 are for establishing an electrical connection between the positive terminal of the voltage source 11 and the first primary pads 12 and establishing an electrical connection between the negative terminal of the voltage source 11 and the second primary contact surfaces 13 formed. As a result, an electrical connection between the positive poles and the negative poles of the voltage source 11 and the charging circuit 3 is thus produced in the vehicle, whereupon the charging circuit transforms the voltage supplied to them of 60 volts and more to the voltage required in the vehicle, for example 400 volts.
    The secondary transmission element 4 of the contacting system 1 now has a second insulating surface 14 surrounding the secondary contact surface 6 with a width B which has at least a minimum width which corresponds to the diameter D of the peripheral circle around the outer contour of one of the primary contact surfaces 8. This ensures that none of the second primary contact surfaces 13 connected to the negative pole can be contacted with a finger of a person. The second insulating surface 14 may, to further increase the safety, so that second primary contact surfaces 13 can not be contacted with, for example, a metal rod pushed between the primary transmission element 7 and the secondary transmission element 4, have a width B exceeding the minimum width. The security is guaranteed in any case as long as the second insulation area 14 has at least the minimum width. This has the advantage that despite the large DC voltage of 60
    Volt and more with correspondingly large charging currents and thus short charging cycles of the battery 2 of the vehicle the necessary security is guaranteed.
    In FIG. 2A, one of the primary contact surfaces 8 is shown enlarged. The outer contour of the primary contact surface 8 has an extension in a direction X, which indicates a direction-dependent minimum width W1 of the second insulation surface. The outer contour of the primary contact surface 8 has, in a direction Y, an extension which indicates the direction-dependent minimum width W2 of the second insulation surface, which corresponds to the diameter D. According to the first embodiment, the second insulating surface 14 has a width B, wherein B> W1 and B> W2. As a result, the advantage is obtained that the secondary transmission element 4 can be lowered in any orientation on the primary transmission element 7 for contacting.
    In the contacting system 1 according to the first embodiment of the invention surrounds the second secondary contact surface 6, the first secondary contact surface 5 completely, which is why the first secondary contact surface 5 by the second insulating surface 14 is completely surrounded. As a result, it is also advantageously ensured by the second insulating surface 14 that even the first secondary contact surface 5 can not be contacted with a finger of a user.
    A particularly advantageous embodiment is given by the fact that the first secondary contact surface 5 is arranged in the center of the second secondary contact surface 6 and, when the second secondary contact surface 6 and the second insulating surface 14 form concentric circles around the first secondary contact surface 5. As a result, the first secondary contact surface 5 is particularly well shielded.
    Furthermore, it is particularly advantageous to arrange a first insulation surface 15 as a concentric circle around the first secondary contact surface 5 between the first secondary contact surface 5 and the second secondary contact surface 6, wherein the first insulation surface 15 with the width B also has at least the minimum width W2. As a result, the required for voltages of 60 volts and more electrical insulation of the first secondary contact surface 5 of the second secondary contact surface 6 and further ensures that the first secondary contact surface 5 is particularly well protected from unwanted contact by persons.
    It has also proven to be advantageous to form the primary contact surfaces 8 as hexagons. This makes it possible to form very large primary contact areas 8 with a large area compared to circular primary contact areas known from the prior art in order to transmit strong charging currents without destroying the contact areas 8. Other forms of primary contact surfaces, such as rectangular, octagonal, oval or triangular would also be possible.
    The control means 9 are advantageously designed to switch all primary contact surfaces 8, which were determined neither as a first primary contact surface 12 nor as a second primary contact surface 13, potential-free. This ensures that all primary contact surfaces 12 and 13 of the primary transmission element 7, which are not required for transmitting energy for charging the vehicle, can be touched by a person without any electrification or short-circuiting of the contacting system 1.
    Figure 4 shows a second embodiment of a contacting system 16 according to the invention, wherein only the contact surfaces of a secondary transmission element 17 are formed differently. The secondary transmission element 17 has a first secondary contact surface 18 and a second secondary contact surface 19, both of which are designed as a circular segment. Both secondary contact surfaces 18 and 19 are surrounded by an insulating surface 20 which forms a first and a second insulating surface. Advantageously, the insulating surface 20 between the secondary contact surfaces 18 and 19, corresponding to a first insulating surface, and the secondary contact surfaces 18 and 19, corresponding to a second insulating surface, a width B, which is greater than the minimum width W2 and the diameter D of the circumferential circle around the outer contour of the primary contact surface 8 is. Thus, in the contacting system 16 according to the second embodiment, the necessary security is given to achieve short charge cycles in direction-independent contacting of the primary transmission element 7 with the secondary transmission element 17 and with high DC voltages.
    Figure 5 shows a primary transmission element 21 according to a third embodiment of a contacting system 22 according to the invention, in which the outer contour of primary contact surfaces 23 is oval and thus formed direction-dependent. A secondary transmission element 24 has a first secondary contact surface 25 and a second secondary contact surface 26 which are electrically insulated from each other by a second insulation surface 27 and from each other by a first insulation surface 28. According to the invention, the second insulating surface 27 only has directionally dependent on the minimum width, which is greater than the extension of the contour of the contacted primary contact surface 23 in the same direction.
    FIG. 6 shows the primary contact surface 23 of the contacting system 22 in an enlarged view. In the direction X, the contour of the primary contact surface 23 has an extension which corresponds to a minimum width W3 in the direction X. In the direction Y, the contour of the primary contact surface 23 has an extension which corresponds to a minimum width W4 in the direction Y. In order to make the secondary transmission element 24 particularly narrow, the second insulation surface 27 has a width Bl at contact-contacting primary and secondary contact surfaces. Since the extent of the primary contact surface 23 in the direction Y is greater: B2> W4 and Bl> W3. In a direction Z inclined for example by 45 degrees to the direction X and to the direction Y, the second insulating surface 27 has a width which is greater than the extent of the primary contact surface 23 in the same direction Z. As a result, the advantage is obtained that the secondary transmission element 24 can be made particularly narrow in order to integrate this well into a vehicle can.
    The contacting system 22 according to the third exemplary embodiment of the invention now has positioning means to ensure that the secondary transmission element 24 is positioned on the primary transmission element 21 in a direction-dependent manner, that is to say essentially in the directions X and Y illustrated in FIGS. 5 and 6. Positioning means can be formed by a sensor, a camera with image recognition or by mechanical means, wherein the person skilled in the art further possibilities are known. A rough orientation is already given by the car park division, which is why positioning means can also be given by lateral elevations of the road to the left and right of the parking lot, which ensure that the vehicle can only be parked in this direction.
    It may be mentioned that DC voltages of 80, 100 or 400 volts, as well as AC voltages in similar voltage ranges can be applied to the contact surfaces of the transmission elements with the second insulating surface. It is also possible to form contact surfaces for more than two poles with the second insulating surface, so that, for example, three-phase alternating current can be transmitted. Additional secondary contact surfaces could transmit further AC voltages with different voltage amplitude or frequency. Likewise, the transmission of data regarding, for example, the state of charge of the vehicle via further secondary would be
    Contact surfaces possible. Also, the primary transmission means on the vehicle and the secondary transmission means could be provided in the lane of a parking lot. The insulation surface may be formed by a material known to those skilled in the art such as plastic or ceramic.
    权利要求:
    Claims (12)
    [1]
    claims:
    A contacting system (1; 16; 22) for establishing an electrical connection between a vehicle and a power supply (11) having a first pole and a second pole for charging the vehicle, comprising: a primary transmission element (7; A plurality of structured arranged against each other electrically isolated each having an outer contour having primary contact surfaces (8; 23), and with a secondary transmission element (4; 17, 24) having at least a first secondary contact surface (5; 18; 25), for contacting of the first pole, and at least one second secondary contact surface (6; 19; 26) for contacting the second pole, wherein the secondary contact surfaces (5,6; 18,19; 24,25) are electrically insulated from each other, and Control means (9), which are formed for determining first primary contact surfaces (12) of which contact the first secondary contact surface (5), and for determining second primary contact surface (5) are formed (13) which contact the second secondary contact surface (6), and which for establishing an electrical connection via the first primary contact surfaces (12) and the first secondary contact surface (5; 18) are formed between the first pole of the power supply (11) and the first pole of the vehicle and for establishing an electrical connection via the second primary contact surfaces (13) and the second secondary contact surface (6; 19) for powering the vehicle are formed, characterized in that a second insulating surface (14; 20; 27) surrounding the secondary contact surfaces (5, 6; 18; 19; 24, 25) is provided, which has at least one optionally direction-dependent minimum width (W1, W2; W3; W4) which is greater than the extension of the contour of one of the contacted primary contact surfaces (8; 23) in the same direction (X, Y, Z).
    [2]
    2. contacting system (1; 16) according to claim 1, characterized in that the second insulating surface (14) has at least a minimum width greater than the diameter (D) of a circumferential circle around the largest outer contour of the contacted primary contact surfaces (8 ; 23).
    [3]
    3. contacting system (1) according to claim 1 and 2, characterized in that the second secondary contact surface (6) completely surrounds the first secondary contact surface (5) and that the second insulating surface (14) completely surrounds the second secondary contact surface (6) ,
    [4]
    4. contacting system (1) according to claim 3, characterized in that the first secondary contact surface (5) in the center of the second secondary contact surface (6) is arranged and that the second secondary contact surface (6) and the second insulating surface (14) concentric Form circles around the first secondary contact surface (5).
    [5]
    5. contacting system (1) according to claim 4, characterized in that a first insulating surface (15) is arranged as a concentric circle about the first secondary contact surface (5) between the first secondary contact surface (5) and the second secondary contact surface (6), wherein the first insulating surface (15) also has at least the minimum width (Wl, W2).
    [6]
    6. contacting system (1; 16) according to one of the preceding claims, characterized in that the primary contact surfaces (8) are formed by hexagons.
    [7]
    7. contacting system (1; 16; 22) according to one of the preceding claims, characterized in that the primary contact surfaces (8; 23) are arranged in grid form.
    [8]
    8. contacting system (1; 16; 22) according to one of the preceding claims, characterized in that between the first pole and the second pole is a voltage of more than 60 volts.
    [9]
    9. contacting system (1; 16; 22) according to one of the preceding claims, characterized in that the control means (9) are designed to all primary contact surfaces (8; 23), neither as a first primary contact surface (12) nor as a second primary Contact surface (13) were determined by the control means (9) to switch potential.
    [10]
    10. contacting system (1; 16; 22) according to one of the preceding claims, characterized in that the primary transmission element (7; 21) in the carriageway of a parking space and the secondary transmission element (4; 17) in the vehicle lowerable and liftable for contacting of the primary transmission element (7; 21) is provided.
    [11]
    11. contacting system (22) according to any one of the preceding claims, characterized in that positioning means are provided which are for directionally positioning the secondary transmission element (24) formed on the primary transmission element (21) and that the minimum width (W3, W4) of the second insulation surface (27) is directionally different widths.
    [12]
    12. contacting system (22) according to claim 11, characterized in that the outer contour of the primary contact surfaces (23) is directionally dependent and in particular oval, and that the minimum width (W3, W4) of the second insulating surface (27) by the position means on the primary contact surfaces (23) positioned secondary contact surfaces (25, 26) depending on the direction of at least the width of the primary contact surface (23) in the same direction (X, Y, Z).
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    引用文献:
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    法律状态:
    优先权:
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    JP2019500703A| JP6725741B2|2016-03-25|2017-03-16|A contact system that creates an electrical connection between the vehicle and the power supply|
    US16/087,707| US20200254891A1|2016-03-25|2017-03-16|Contact system for establishing an electric connection between a vehicle and a power supply|
    CN201780019963.8A| CN108883710B|2016-03-25|2017-03-16|Contact system for establishing an electrical connection between a vehicle and a power source|
    EP17713877.3A| EP3433125B1|2016-03-25|2017-03-16|Contact system for establishing an electric connection between a vehicle and a power supply|
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