A rail vehicle braking device has at least one first electrodynamic brake with a drive unit that includes at least one drive motor and a power supply unit for supplying the drive motor in a traction mode of the drive unit. A brake control unit controls, in a first brake mode, the respective power su
A rail vehicle braking device has at least one first electrodynamic brake with a drive unit that includes at least one drive motor and a power supply unit for supplying the drive motor in a traction mode of the drive unit. A brake control unit controls, in a first brake mode, the respective power supply unit for providing a braking effect. In order to optimize the system with a fall-back measure in case of a braking effect loss in respect of the cause thereof, there is provided at least one sensor unit, which detects a braking effect parameter for the first braking mode of the brake. A monitoring device is assigned to the first brake. It is independent of the brake control unit and considers, in a first monitoring mode, the braking effect parameter for the introduction of a fall-back measure concerning the brake.
대표청구항▼
1. A rail vehicle braking device, comprising: at least one first electrodynamic brake having a drive unit with at least one drive motor and a power supply unit for supplying power to the drive motor in a traction mode of said drive unit, and having at least one closed-loop braking control unit conta
1. A rail vehicle braking device, comprising: at least one first electrodynamic brake having a drive unit with at least one drive motor and a power supply unit for supplying power to the drive motor in a traction mode of said drive unit, and having at least one closed-loop braking control unit containing the respective said power supply unit and at least one braking control unit, which, in a first braking mode, controls the respective said power supply unit to provide a braking effect;at least one sensor unit configured to detect at least one braking effect characteristic quantity for the first braking mode of the electrodynamic brake; andat least one first braking monitoring apparatus, assigned to said at least one first electrodynamic brake, and being independent of said closed-loop braking control unit, said at least one first braking monitoring apparatus being configured for taking into consideration the braking effect characteristic quantity for initiating a fallback measure relating to the brake in a first monitoring mode. 2. The rail vehicle braking device according to claim 1, wherein said braking monitoring apparatus has at least two monitoring devices. 3. The rail vehicle braking device according to claim 2, wherein said monitoring devices are configured for implementing, at least partially in interaction, at least one monitoring function of the first monitoring mode. 4. The rail vehicle braking device according to claim 2, wherein said monitoring devices are different from one another with respect to a structural and/or algorithmic design thereof. 5. The rail vehicle braking device according to claim 2, wherein each of said monitoring devices has software for executing a monitoring function, and wherein said software is implemented differently in said monitoring devices. 6. The rail vehicle braking device according to claim 2, which comprises a monitoring unit configured for performing the first monitoring mode at least partially in interaction with said monitoring devices. 7. The rail vehicle braking device according to claim 6, wherein said monitoring devices and said monitoring unit differ from one another with respect to a structural and/or algorithmic design thereof. 8. The rail vehicle braking device according to claim 2, wherein said monitoring devices of said braking monitoring apparatus and said monitoring unit are each configured for outputting an error signal during execution of the first monitoring mode depending on a braking effect characteristic quantity, wherein said braking monitoring apparatus has at least one trigger unit, which is operatively connected to said monitoring devices and said monitoring unit in such a way that an initiation of the fallback measure presupposes a presence of at least two error signals. 9. The rail vehicle braking device according to claim 1, wherein said closed-loop braking control unit has at least two braking control units and a switching unit, which is provided for switching over between the first braking mode of the closed-loop braking control unit, in which the first braking control unit controls the power supply unit so as to provide a braking effect, and a second braking mode of the closed-loop braking control unit, in which the second braking control unit controls the power supply unit so as to provide a braking effect, in order to implement the fallback measure. 10. The rail vehicle braking device according to claim 9, wherein said braking monitoring apparatus, in the first monitoring mode, has a first monitoring function, in which said braking monitoring apparatus is in the form of a first braking effect monitoring unit configured for monitoring the brake in the first braking mode thereof, and at least one second monitoring function, in which this braking monitoring apparatus is in the form of a second braking effect monitoring unit configured for monitoring the brake in the second braking mode thereof. 11. The rail vehicle braking device according to claim 1, which comprises a further braking apparatus and a switching device, wherein, as fallback measure, said further braking apparatus is actuated by said switching device depending on the braking effect characteristic quantity. 12. The rail vehicle braking device according to claim 1, which comprises at least one second electrodynamic brake having a drive unit with at least one drive motor and a power supply unit for supplying power to the drive motor in a traction mode of said drive unit, and at least one closed-loop braking control unit, having the respective said power supply unit and at least one braking control unit, which, in a first braking mode, controls the respective power supply unit so as to provide a braking effect. 13. The rail vehicle braking device according to claim 12, which comprises at least one sensor unit disposed to detect at least one braking effect characteristic quantity for the first braking mode of said second brake, and at least one second braking monitoring apparatus, which is assigned to the second brake, is independent of said closed-loop braking control unit of said second brake and is provided for taking into consideration the braking effect characteristic quantity for initiating a fallback measure relating to said second brake in a second monitoring mode. 14. The rail vehicle braking device according to claim 13, which comprises a monitoring unit, forming a common part of said first braking monitoring apparatus and said second braking monitoring apparatus. 15. The rail vehicle braking device according to claim 12, wherein said first braking monitoring apparatus that is assigned to said first brake is formed at least by said closed-loop braking control unit of said second brake. 16. The rail vehicle braking device according to claim 15, wherein said closed-loop braking control unit of said second brake has at least two braking control units and a switching unit, which is provided for switching over between the first braking mode of said closed-loop braking control unit, in which the first braking control unit controls the respective power supply unit so as to provide a braking effect, and a second braking mode of the closed-loop braking control unit, in which the second braking control unit controls the respective power supply unit so as to provide a braking effect, in order to implement the fallback measure, wherein said monitoring devices of said first braking monitoring apparatus are each formed by a different braking control unit of said closed-loop braking control unit of said second brake forming the braking monitoring apparatus. 17. The rail vehicle braking device according to claim 15, wherein said second braking monitoring apparatus assigned to said second brake is formed at least by said closed-loop braking control unit of said first brake. 18. The rail vehicle braking device according to claim 2, wherein said closed-loop braking control unit of said second brake has at least two braking control units and a switching unit, which is provided for switching over between the first braking mode of said closed-loop braking control unit, in which the first braking control unit controls the respective power supply unit so as to provide a braking effect, and a second braking mode of the closed-loop braking control unit, in which the second braking control unit controls the respective power supply unit so as to provide a braking effect, in order to implement the fallback measure, wherein said monitoring devices of said first braking monitoring apparatus are each formed by a different braking control unit of said closed-loop braking control unit of said second brake forming the braking monitoring apparatus. 19. A method for braking a rail vehicle with a first electrodynamic brake, the brake having in each case a drive unit, which has at least one drive motor and a power supply unit for supplying power to the drive motor in a traction mode of the drive unit, and at least one closed-loop braking control unit, which has the respective power supply unit and at least one braking control unit, the method comprising the following steps: controlling the power supply unit of the first brake so as to provide a braking effect in a first braking mode thereof;detecting at least one first braking effect characteristic quantity for the first braking mode of the first brake;in a first monitoring mode, taking the first braking effect characteristic quantity into consideration with a first braking monitoring apparatus, which is assigned to the first brake and is independent of the braking regulation unit; andinitiating a fallback measure relating to the first brake depending on the first braking effect characteristic quantity.
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