Abstract: A method for operating a contactor (10) is described, wherein the contactor (10) comprises at least two contacts (18, 20, 22) electrically conductively connected to one another in a closed state of the contactor (10), having the method steps of partially charging an DC link capacitance (103) in electrical contact with the contactor (10) and closing the contactor (10).

Abstract: A temperature control device (1) for a battery system (100) having a circulation system (10) with a temperature control unit (20) for controlling the temperature of at least one battery (110) of the battery system (100), and at least one power semiconductor (30) for disconnecting and establishing a flow of electrical current between the at least one battery (110) and a consumer (200) of the at least one battery (110), wherein the at least one power semiconductor (30) is assigned to the temperature control unit (20) in such a way that the temperature control unit (20) can be heated by waste heat of the at least one power semiconductor (30) which is produced during the disconnection and/or establishment of the flow of electrical current.

Abstract: In order to monitor a functional capability of an accumulator for electrical energy of a battery, at least one position sensor is provided which outputs a position signal which is representative of the position of the accumulator. If the duration of an incorrect position exceeds a minimum duration, an incorrect position signal is output by a monitoring device.

Abstract: The present invention relates to a battery system having a battery which is designed to supply a high-voltage power system and can be connected by at least one of its high-voltage power system terminals via a contactor (10), which battery system comprises a control coil (20), and closes in one state in which a control current flows through the control coil, and opens in a further state in which no current flows through the control coil. In this context, in order to generate the control current, the control coil can be connected via a supply circuit (80) to a supply unit (50) by means of which a predetermined voltage can be made available which is lower than the voltage generated by the battery.

Abstract: The invention relates to a safety device (1), comprising: a fusible member (2) having a first segment (3), a second segment (4), and a connecting segment (5), which connects the first segment (3) to the second segment (4). The safety device (1) further comprises a separation element (6), configured to suppress a light arc between the first segment (3) and the second segment (4). The first segment (3) of the fusible member (2) extends along a first side of the separation element (6), the second segment (4) of the fusible member (2) extends along a second side of the separation element (6) located opposite the first side, and the connecting segment (5) of the fusible member (2) extends along a third side of the separation element.

Abstract: The disclosure relates to a method for determining the aging of an electronic interrupter element which is configured to open and close a power circuit. The method according to the disclosure comprises the following steps: a) initializing an aging counter NWear, b) determining the amount I of a current which flows through the electronic interrupter element upon opening the power circuit, c) determining a current-dependent aging value Nwear (I) from the amount I of the current, d) refreshing the aging counter NWear using the current-dependent aging value Nwear (I). The disclosure further relates to a computer program and to an apparatus for determining the aging of an electronic interrupter element and to a battery management system which are in particular configured to carry out the method.

Abstract: An electrical contact assembly includes a first electrical contact having a first mating element, and a second electrical contact having a second mating element. The first and second electrical contacts are configured to mate together at the first and second mating elements such that the first and second mating elements engage each other at a contact interface. A distribution of contact pressure across the contact interface at least partially coincides with a distribution of electrical current flow across the contact interface.

Abstract: A current interruption arrangement for a battery system. The current interruption arrangement includes at least one current interruption unit for interrupting an electrical current flow between a battery of the battery system and a load of the battery. The current interruption unit has at least one power semiconductor for interrupting and establishing the current flow between the battery and the load of the battery, and at least one surge arrester connected in parallel with the power semiconductor.

Abstract: A temperature control device (1) for a battery system (100) having a circulation system (10) with a temperature control unit (20) for controlling the temperature of at least one battery (110) of the battery system (100), and at least one power semiconductor (30) for disconnecting and establishing a flow of electrical current between the at least one battery (110) and a consumer (200) of the at least one battery (110), wherein the at least one power semiconductor (30) is assigned to the temperature control unit (20) in such a way that the temperature control unit (20) can be heated by waste heat of the at least one power semiconductor (30) which is produced during the disconnection and/or establishment of the flow of electrical current.

Abstract: A battery includes a battery housing and also two connections configured to electrically conductively connect the battery to a load. The battery further includes a battery string which is positioned in the battery housing, and connects the two connections to one another. At least one battery cell is connected in series and/or in parallel with the battery string. The battery has at least one thermal tripping element which is positioned within the battery housing, and which is configured to trip when a predetermined first temperature is present in a region of the thermal tripping element, and therefore is configured to indicate a presence of this predetermined first temperature in the region of the thermal tripping element.

Abstract: The present invention relates to a battery system having a battery which is designed to supply a high-voltage power system and can be connected by at least one of its high-voltage power system terminals via a contactor (10), which battery system comprises a control coil (20), and closes in one state in which a control current flows through the control coil, and opens in a further state in which no current flows through the control coil. In this context, in order to generate the control current, the control coil can be connected via a supply circuit (80) to a supply unit (50) by means of which a predetermined voltage can be made available which is lower than the voltage generated by the battery.

Abstract: A vehicle comprising a vehicle body (2) and a battery (3) with energy storage devices (31) and a housing (32), which at least partially surrounds the energy storage devices (31), wherein a vehicle-body region (21) of the vehicle body (2) forms a part of the housing of the battery (3), wherein the vehicle-body region (21) is made from an electrically conductive material or comprises electrically conductive material in order to shield the vehicle against electrical and/or magnetic fields.

Abstract: The disclosure relates to a method for determining the aging of an electronic interrupter element which is configured to open and close a power circuit. The method according to the disclosure comprises the following steps: a) initializing an aging counter NWear, b) determining the amount I of a current which flows through the electronic interrupter element upon opening the power circuit, c) determining a current-dependent aging value Nwear (I) from the amount I of the current, d) refreshing the aging counter NWear using the current-dependent aging value Nwear (I). The disclosure further relates to a computer program and to an apparatus for determining the aging of an electronic interrupter element and to a battery management system which are in particular configured to carry out the method.

Abstract: A battery interruption unit and a precharging unit, comprising a main contactor, a precharging contactor, a precharging resistor and a housing, are proposed. The main contactor and the precharging contactor, in the same way as the precharging resistor, are arranged in the housing. The precharging resistor and the precharging contactor are electrically connected, as an electrical series circuit in parallel with the main contactor, to two external electrical connections on the housing.

Abstract: The invention relates to a safety device (1), comprising: a fusible member (2) having a first segment (3), a second segment (4), and a connecting segment (5), which connects the first segment (3) to the second segment (4). The safety device (1) further comprises a separation element (6), configured to suppress a light arc between the first segment (3) and the second segment (4). The first segment (3) of the fusible member (2) extends along a first side of the separation element (6), the second segment (4) of the fusible member (2) extends along a second side of the separation element (6) located opposite the first side, and the connecting segment (5) of the fusible member (2) extends along a third side of the separation element.

Abstract: An electrical contact assembly includes a first electrical contact having a first mating element, and a second electrical contact having a second mating element. The first and second electrical contacts are configured to mate together at the first and second mating elements such that the first and second mating elements engage each other at a contact interface. A distribution of contact pressure across the contact interface at least partially coincides with a distribution of electrical current flow across the contact interface.

Abstract: A vehicle comprising a vehicle body (2) and a battery (3) with energy storage devices (31) and a housing (32), which at least partially surrounds the energy storage devices (31), wherein a vehicle-body region (21) of the vehicle body (2) forms a part of the housing of the battery (3), wherein the vehicle-body region (21) is made from an electrically conductive material or comprises electrically conductive material in order to shield the vehicle against electrical and/or magnetic fields.

Abstract: A battery includes a battery housing and also two connections configured to electrically conductively connect the battery to a load. The battery further includes a battery string which is positioned in the battery housing, and connects the two connections to one another. At least one battery cell is connected in series and/or in parallel with the battery string. The battery has at least one thermal tripping element which is positioned within the battery housing, and which is configured to trip when a predetermined first temperature is present in a region of the thermal tripping element, and therefore is configured to indicate a presence of this predetermined first temperature in the region of the thermal tripping element.

Abstract: In order to monitor a functional capability of an accumulator for electrical energy of a battery, at least one position sensor is provided which outputs a position signal which is representative of the position of the accumulator. If the duration of an incorrect position exceeds a minimum duration, an incorrect position signal is output by a monitoring device.