Abstract:
In order to provide a brake system (12) for braking a rail vehicle, comprising an actuator (1), which is equipped for installation in its totality in a bogie of the rail vehicle and provided with a braking force F so as to create a braking movement of at least one pressing part, an energy storage device (14), which is connected to the actuator (1) via a supply line (16), and a brake controller (13) supplying control signals for controlling the brake system (12), which enables secure braking of the rail vehicle, according to the invention the actuator (1) has a control connection (3), which is connected to the brake controller (13) for receiving the control signals via a data line (15), wherein the control connection is connected to a logic unit (2) of the actuator (1) that is designed to set the braking force F depending on the control signals.
Abstract:
The invention relates to an actuator (7) for a brake system of a rail vehicle - comprising a set-value detection unit (6) and a set-value control device (5), - wherein the set-value detection unit (6) provides, at an output (A1), a set value (SSoll) or a set value (SGleit) corrected under the influence of a reducing signal (RS) of an anti-skid control device (10) for a decelerating force (Fv) to be controlled or a decelerating torque (Mv) to be controlled and transmits said set value to an input (E1) of the set-value control device (5), and - wherein the set-value control device (5) controls the set value (SSoll; SGleit) transmitted by the set-value detection unit (6) to a first output set value (ASv1), - comprising a fall-back unit (12), which provides a pre-defined second output set value (ASv2), - comprising a set-value/force conversion device (19), - comprising a switch-over device (13), which connects an output (A2.1) of the set-value control device (5) to a input (E2) of the set-value/force conversion device (19) in a first switching position so that the first output set value (ASv1) is present at the input (E2) of the set-value/force conversion device (19), and which connects an output (A2.2) of the fall-back unit (12) to the input (E2) of the set-value/force conversion device (19) in a second switching position so that the second output set value (ASv2) is present at the input (E2) of the set-value/force conversion device (19), - wherein the set-value/force conversion device (19) converts the output set value of the two output set values present at the input (E2) of the set-value/force conversion device into an actual value (Ip) of a force (Fp) for braking the rail vehicle, - comprising braking means (16, 17, 18), which convert the actual value (Ip) of the force (Fp) into an actual value (Iv) of the decelerating force (FV) to be controlled or of the decelerating torque (Mv) to be controlled, - comprising a sensor (14), which determines the actual value (Iv) of the decelerating force (Fv) to be controlled or of the decelerating torque (Mv) to be controlled and provides said actual value at an input (E3) of the set-value control device (5), - wherein the set-value control device (5) sets the first output set value (ASv1) in such a way that the detected actual value (Iv) corresponds to the set value (SSoll;SGleit) transmitted to the set-value control unit (5) by the set-value detection unit (6), and - comprising a monitoring unit (3), which receives a fast braking set value (SB-Soll) or at least one correction factor (fK-Last, fK-H/N, fK-GB) for calculating the fast braking set value (SB-Soll) from a fast braking set-value determination device (8) in the event of a fast braking operation, receives the actual value (Iv) from the sensor (14) and outputs a switch-over signal (US1) to the switch-over device (13) in the event of impermissible deviations of the actual value (Iv) from the fast braking set value (SB-Soll), which switch-over signal causes the switch-over device (13) to switch over from the first switching position thereof to the second switching position thereof.
Abstract:
The invention relates to a rail vehicle braking device with at least one electrodynamic brake (24), which comprises a drive unit (16), which has at least one drive motor (18) and a power supply unit (20) for supplying the drive motor (18) when the drive unit (16) is in a traction mode. According to the invention, the rail vehicle braking device has at least two brake control units (28, 30) in order to increase the safety of the electrodynamic brake, wherein in a first braking mode, a first brake control unit (28) in an active state controls the power supply unit (20) for providing a braking effect, a first brake effect monitoring unit (50) and a switching unit (32), which serves to switch, depending on a brake effect parameter in the first braking mode, into a second braking mode, in which the second brake control unit (30) in an active state controls the power supply unit (20) for providing a brake effect.
Abstract:
The invention relates to a rail vehicle brake device comprising at least one first electrodynamic brake (24; 80), which comprises one drive unit (16), which has at least one drive motor (18) and one power supply unit (20) for supplying the drive motor (18) in a traction mode of the drive unit (16), and at least one brake control unit (22; 82), which has the respective power supply unit (20) and at least one brake control unit (28, 30; 84), which controls, in a first brake mode, the respective power supply unit (20) for providing a braking effect. According to the invention, in order to optimise handling, particularly the introduction of a fall-back measure in case of a braking effect loss in respect of the cause thereof, the rail vehicle braking device has at least one sensor unit (58; 86), which is designed to detect at least one braking effect parameter (B1) for the first braking mode of the brake (24; 80), and at least one first brake monitoring device (53; 190) which is assigned to the first brake (24; 80) and which is independent of the brake control unit (22; 82), which is designed to consider, in a first monitoring mode, the braking effect parameter (B1) for the introduction of a fall-back measure concerning the brake (24; 80).
Abstract:
The invention relates to a brake arrangement of a railway vehicle having an electrical brake device (1) having an electronic brake controller (2) and having an electro-pneumatic regulator (3) comprising a pressure sensor (14), and having an emergency brake device (8) having a pressure reducer (9) in series with a valve device (10); a shuttle valve device (6) is also present at a pneumatic output (A1) of the electrical pneumatic braking device (2) and a pneumatic output (A3) of the emergency brake system (8) and is connected at the inputs thereof (E1, E2), the output (A2) of said valve device being connected to a control valve device (12, 20) connected upstream of a brake cylinder (13). In order to be able to produce such a brake arrangement relatively simply as a direct braking arrangement, and to design said arrangement such that it can be converted in a simple manner to an indirect braking arrangement, according to the invention, the valve device is an electromagnetic emergency stop valve (10) working according to the principle of de-energizing to close, and the pressure sensor (14) of the electro-pneumatic regulator (3) is connected to the output (A2) of the shuttle valve device (6).