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US 11,685,351 B2Granted
Redundant power supply for brake system
AssigneeInfineon Technologies AG
InventorsAndreas Kiep, Johannes Huchzermeier
Life of this patent
Estimating the term…
Abstract
A local control unit for a brake system is described. The control unit serves to actuate an electromechanical brake of the brake system of a wheel and according to one exemplary embodiment has a first connection for a main power supply and a second connection for a generator which is coupled to the wheel and which provides a standby power supply for the control unit.
Claims10
A brake system comprising:
- two or more wheels, which are each coupled to an electric brake;
- a local control unit for each of the electric brakes, wherein each of the local control units is configured to actuate a respective electric brake in accordance with a control signal;
- a central brake control unit which is configured to generate the control signals for the local control units;
- and
- an electric generator for each of the wheels, wherein each of the electric generators is coupled to a respective wheel and each of the electric generators is configured to provide a standby power supply at least for a respective local control unit of the respective electric brake of the respective wheel, wherein the local control unit for each of the electric brakes includes:
- a first connection for a main power supply;
- a second connection for a generator which is coupled to its respective wheel and which provides a standby power supply for its respective local control unit;
- a supply node which is coupled to the second connection;
- a switching element which connects the first connection to the supply node;
- a third connection for connecting a backup supply line;
- an electronic switch which is designed to connect the supply node to the third connection;
- and
- a control circuit which is designed to switch on the electronic switch in response to the main power supply being unavailable at the first connection, wherein the control circuit is configured to transmit an emergency call signal in response to the main power supply being unavailable at the first connection, and in response to a backup power supply being unavailable at the third connection.
10 more elements
A control unit for actuating an electromechanical brake of a wheel, wherein the control unit comprises:
- a first connection for a main power supply;
- a second connection for a generator which is coupled to the wheel and which provides a standby power supply for the control unit a supply node which is coupled to the second connection;
- a switching element which connects the first connection to the supply node;
- a third connection for connecting a backup supply line:
- an electronic switch which is designed to connect the supply node to the third connection;
- and
- a control circuit which is designed to switch on the electronic switch in response to the main power supply being unavailable at the first connection, wherein the control circuit is configured to transmit an emergency call signal in response to the main power supply being unavailable at the first connection, and in response to a backup power supply being unavailable at the third connection.
4 more elements
A brake system comprising:
- a wheel;
- an electromechanical brake;
- a generator which is coupled to the wheel;
- and
- a control unit for actuating the electromechanical brake, wherein the control unit comprises:
- a first connection for a main power supply;
- a second connection for the generator which is coupled to the wheel and which provides a standby power supply for the control unit;
- a supply node which is coupled to the second connection;
- a switching element which connects the first connection to the supply node;
- a third connection for connecting a backup supply line:
- an electronic switch which is designed to connect the supply node to the third connection;
- and
- a control circuit which is designed to switch on the electronic switch in response to the main power supply being unavailable at the first connection, wherein the control circuit is configured to transmit an emergency call signal in response to the main power supply being unavailable at the first connection, and in response to a backup power supply being unavailable at the third connection.
10 more elements
Dependencies are inferred from the claim text.