ABB E-mobility Patente

A method for controlling an electric vehicle charger (100) over a network by a user using a mobile device (110) of the user, the method comprising:- providing, to the user's mobile device, an authentication token related to the electric vehicle charger, the authentication token being available to the user locally at a location of the electric vehicle charger;- verifying, by the user's mobile device, the authentication token;- obtaining, by the user's mobile device, an access token of the electric vehicle charger based on the verified authentication token;- performing an opening handshake between the user's mobile device and the electric vehicle charger over the network based on the access token of the electric vehicle charger;- upon the opening handshake, establishing a secure full-duplex communication channel (120) between the user's mobile device and the electric vehicle charger using a transmission control protocol connection over the network;- receiving, by the electric vehicle charger, at least one command from the user's mobile device over the established secure full-duplex communication channel; and carrying out the received at least one command by the electric vehicle charger; and- receiving, by the user's mobile device, status information data from the electric vehicle charger over the established secure full-duplex communication channel; and displaying the received status information data by the user's mobile device.

Electric vehicle supply equipment, EVSE, configured for providing power for charging a floating vessel with a converter having an input side configured to be connected to a power supply infrastructure, and an output side configured for providing a direct current, DC, charging power, the output side comprising a +DC output line and a -DC output line, and a voltage limiting device with a first terminal and a second terminal, the first terminal being configured to be grounded to a shoreside protective earth, PE, connection of the power supply infrastructure. +DC and -DC EVSE terminals are configured to be connected to corresponding shipside +DC and -DC terminals of the floating vessel. The EVSE earth terminal is configured to be connected to a shipside protective earth, SPE, terminal of the floating vessel. The EVSE earth terminal is connected to the second terminal of the voltage limiting device.

A buck converter circuit according to the disclosure includes a pre-charging switch (10), a switching element Q1 (11), a switching element Q2 (12), a switching element Q3 (13), a switching element Q4 (14), a flying capacitor (20), a voltage supply node (40), a first flying capacitor node (41), a second flying capacitor node (41), a switch node (43) and a control system (50). The voltage supply node (40), the pre-charging switch (10) and the first flying capacitor node (41) are sequentially connected in series. The voltage supply node (40), the switching element Q1 (11) and the first flying capacitor node (41) are sequentially connected in series. The first flying capacitor node (41), the flying capacitor (20), the second flying capacitor node (41) and the switching element Q4 (14) are sequentially connected in series. The first flying capacitor node (41), the switching element Q2 (12), the switch node (43), the switching element Q3 (13) and the second flying capacitor node (41) are sequentially connected in series. The control system (50) is configured for executing a pre-charging process (100) and a cyclic converting process (200). During the pre-charging process (100), the control system (50) controls the pre-charging switch (10) and the switching element Q4 (14) to be conductive to build up a voltage difference in the flying capacitor (20). During the cyclic converting process (200) the control system (50) controls the pre-charging switch (10) to be isolating when the switching element Q1 is isolating.

The present disclosure relates to a cooling system and a charging pile. The cooling system (100) comprises: at least one fan (110) configured to draw airflow from the radial outside during operation and discharge the drawn airflow in the axial direction; and at least one radiator (120), each radiator (120) being disposed to circumferentially surround a corresponding fan (110) of the at least one fan (110), wherein the radiator (120) at least includes a curved section (125) that at least partially follows the contour of the corresponding fan (110); wherein the radiator (120) comprises a plurality of radiator fins (122) arranged in a stacked manner relative to one another along the axial direction, and a gap (121) is formed between at least one pair of adjacent radiator fins (122) in the height direction perpendicular to the circumferential direction and the axial direction, the gap (121) allowing airflow to flow from the circumferential outside of the radiator (120) toward the circumferential inside of the radiator (120).

The invention relates to a method for charging an EV by an EVSE and a respective apparatus. The method comprises establishing a physical connection between the EV and the EVSE, initiating a payment authentication process, recognizing, by the EVSE, an EV identifier, entering an energy transfer stage and providing the price for charging on a display. A payment authentication state is defined for the payment authentication process. The payment authentication state comprises at least an ongoing state and an approved state. The energy transfer stage is entered irrespective of whether the payment authentication state is the ongoing state or the approved state. The price for charging is provided on a display mounted to the housing of the EVSE.

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Example of embodiments of the present disclosure relate to a magnetic apparatus and a charging device. The magnetic apparatus comprises: a heat-generating component (10); a housing (20) enclosing an inner space (21) and comprising an opening (22) through which the heat-generating component (10) can enter the inner space (21) so as to be accommodated within the housing (20), wherein a sealing material is provided between an inner wall of the housing (20) and the heat-generating component (10), such that heat generated by the heat-generating component (10) can be transferred to the housing (20) via the sealing material; and a heat-exchange cover (30) provided on the opening (22) of the housing (20) to close the opening (22), such that heat generated by the heat-generating component (10) can further be transferred away from the housing (20) via the heat-exchange cover (30). Embodiments according to the present disclosure may improve the reliability of the magnetic apparatus with a high protection grade.

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A fluid channel assembly (100) for a connector (300) of a charging gun (804) for an electric vehicle is described. The fluid channel assembly (100) includes a fluid channel network (102) for cooling a contact pin (330) of the charging gun (804). The fluid channel network (102) is arranged around the contact pin (330) and is in direct or indirect contact with the contact pin (330). Further, the fluid channel assembly (100) includes a fluid inlet (112) connected to the fluid channel network (102) via a first single fluid transfer channel (122). The fluid inlet (112) is configured to receive a coolant through a charging cable and to inject the coolant into the fluid channel network (102). A fluid outlet (114) connected to the fluid channel network (102) via a second single fluid transfer channel (124) is provided. The fluid outlet (114) is configured to receive the coolant from the fluid channel network (102) and to inject the coolant into the charging cable. Additionally, the channel assembly (100) includes a flow balancing device (130) for tuning a flow rate of the coolant from the first single fluid transfer channel (122) into the second single fluid transfer channel (124).

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A charging cable for an electric vehicle and an electric vehicle charging system are described herein. The charging cable includes a plurality of power wires extending in an axial direction and configured for conducting direct current, and a cable sheath surrounding the plurality of power wires. The cable sheath includes a sheath portion touchable by a human hand. The sheath portion of the cable sheath includes a passive radiative cooling material.

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