Brake system having smart actuator for braking a rail-guided vehicle

Abstract

A brake system for braking a rail vehicle has an actuator, 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, and an energy storage device which is connected to the actuator via a supply line. A brake controller supplies control signals for controlling the brake system, which enables secure braking of the rail vehicle. The actuator has a control connection, which is connected to the brake controller for receiving the control signals via a data line, wherein the control connection is connected to a logic unit of the actuator that is configured to set the braking force F in dependence on the control signals.

1 - 20 . (canceled) 
     
     
         21 . An actuator for a brake system of a rail vehicle, the actuator comprising:
 means for generating a braking force for at least one pressing part receiving the braking force;   a supply connection for connecting the actuator to an energy storage unit, wherein the actuator is configured in its entirety for mounting in a bogie of the rail vehicle;   a control connection for connecting to a data line; and   a logic unit connected to said control connection and configured to set the braking force in dependence on a control signal transferred over the data line.   
     
     
         22 . The actuator according to  claim 21 , further comprising a braking force detection unit for detecting a measured variable from which a generated braking force can be derived as an actual value, said braking force detection unit is connected to said logic unit. 
     
     
         23 . The actuator according to  claim 21 , wherein said supply connection is an electrical supply connection which can be connected to an electrical energy supply line and has output terminals at which a supply voltage drops when the actuator operates. 
     
     
         24 . The actuator according to  claim 23 , wherein said means for generating the braking force has an electromechanical force unit connected to said supply connection and configured to generate a mechanical triggering force in dependence on electrical energy which is made available via said supply connection. 
     
     
         25 . The actuator according to  claim 24 , wherein said electromechanical force unit is selected from the group consisting of an electric motor, an electric pump and a piezoelement. 
     
     
         26 . The actuator according to  claim 21 , wherein said means for generating the braking force is self-energizing. 
     
     
         27 . The actuator according to  claim 21 , further comprising:
 an electrically drivable emergency triggering means for releasing a brake; and   connecting means, electrically connected to said emergency triggering means, for connecting to an external electrical energy supply.   
     
     
         28 . A brake system for braking a rail vehicle, the brake system comprising:
 at least one pressing part;   an actuator configured for mounting in a bogie of the rail vehicle and configured to generate a braking movement of said at least one pressing part with a braking force;   an electric supply line;   an energy store connected to said actuator via said electric supply line;   a brake controller for making available control signals and performing open-loop or closed-loop control of the brake system;   a data line; and   said actuator having a logic unit and a control connection connected to said brake controller via said data line for receiving the control signals, said control connection connected to said logic unit configured to set the braking force in dependence on the control signals, said actuator having means for generating the braking movement for at least one pressing part with the braking force, said actuator further having a supply connection for connecting said actuator to said energy storage unit, wherein said actuator is configured in its entirety for mounting in the bogie of the rail vehicle.   
     
     
         29 . The brake system according to  claim 28 , wherein said energy store is an electrical energy store making available an electrical supply voltage on an output side. 
     
     
         30 . The brake system according to  claim 28 , further comprising a converter unit connected to said brake controller and said actuator, said converter unit having at least one converter which makes available an electrical variable on an output side in dependence on a signal for a load state which is fed in on an input side, wherein said converter is configured for connection to at least one of a pneumatic air spring of the rail vehicle or at least one pneumatic line of the rail vehicle. 
     
     
         31 . The brake system according to  claim 30 , wherein said converter unit is connected to said energy store via said electrical supply line. 
     
     
         32 . The brake system according to  claim 28 , wherein said data line is a data bus which connects said brake controller, said actuator and said converter unit to one another. 
     
     
         33 . The brake system according to  claim 28 , further comprising an electrical safety loop, said actuator is one of a plurality of actuators connected to one another via said electrical safety loop configured to transmit control signals. 
     
     
         34 . The brake system according to  claim 28 , further comprising means for detecting at least one of a load state or a mass of the rail vehicle and connected to said actuator, said actuator limits, in dependence on the load state or the mass, the braking force to be set. 
     
     
         35 . A rail vehicle, comprising:
 a plurality of cars coupled to one another to form a vehicle train, each of said cars having at least one bogie;   a brake system containing:
 at least one pressing part; 
 an actuator configured for mounting in said bogie of the rail vehicle and configured to generate a braking movement of said at least one pressing part with a braking force; 
 an electric supply line; 
 an energy store connected to said actuator via said electric supply line; 
 a brake controller for making available control signals and performing open-loop or closed-loop control of said brake system; 
 a data line; 
 said actuator having a logic unit and a control connection connected to said brake controller via said data line for receiving the control signals, said control connection connected to said logic unit configured to set the braking force in dependence on the control signals, said actuator further having means for generating the braking force for said at least one pressing part and a supply connection for connecting said actuator to said energy storage unit. 
   
     
     
         36 . The rail vehicle according to  claim 35 , wherein said brake system is one of a plurality of brake systems, each of said cars has at least one of said brake systems. 
     
     
         37 . The rail vehicle according to  claim 36 , further comprising a vehicle data line, said brake systems are connected to one another via said vehicle data line. 
     
     
         38 . The rail vehicle according to  claim 37 , wherein each said brake controller is connected to said vehicle data line via a vehicle bus interface. 
     
     
         39 . The rail vehicle according to  claim 35 , further comprising an electrical safety loop extending through all said cars, wherein each said actuator is connected to said electrical safety loop. 
     
     
         40 . The rail vehicle according to  claim 36 ,
 wherein each of said brake systems has a converter unit connected to said brake controller; and   further comprising a main air line extending through all of said cars and conducting a pneumatic control pressure, said converter unit of each of said brake systems is connected to said main air line.