Electric parking brake device having additional energy supply

• Main Authors: FEUCHT THOMAS, HERGES MICHAEL
• Format: Patent
• Language: Chinese; English
• Published: 17.04.2018
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL

The invention relates to an electric parking brake device (1), comprising a controller (14), a valve device (8), a spring accumulator braking cylinder, a relay valve (18) having a pneumatic control input (20), wherein the pneumatic control input (20) is connected to the electromagnetic valve device (8), and the electromagnetic valve device (8), in the venting position, vents the pneumatic controlinput (20) of the relay valve (18), so that a working output (28) of the relay valve (18), which is connected to the at least one spring accumulator braking cylinder, is vented; and a first electricalenergy supply (66) which supplies the electronic controller (14) with electrical energy, The invention is characterized by a second, independent electrical energy supply (68), by means of which the electronic controller (14) and/or an electric switching device (76) can be supplied with electrical energy, and by an electric switch (72) which, in one switched position, connects the electronic controller (14) and/or the elec