One-way pass-through system with return block for use in buildings, and a corresponding building having a one-way pass-through system of this kind

One-way passage system with a non-return barrier for use in buildings having the following features:

• an entrance door arrangement and, offset from the entrance door arrangement, an exit door arrangement are provided;
• first and second side wall arrangements are provided between the entrance door arrangement and the exit door arrangement, thereby enclosing a passage area between the entrance door arrangement and the exit door arrangement;
• a sensor device is provided which comprises a plurality of sensors and is configured to detect persons and objects:
• a) in front of the entrance door arrangement;
• b) in the passage area and/or after the exit door arrangement;
• a control device is provided which is configured to receive and analyze sensor data from the sensor device, the control device being further configured to enter a plurality of different operating modes wherein the entrance door arrangement and the exit door arrangement are controlled accordingly by the control device depending on the operating mode, wherein the operating modes include:
• a safety operating mode wherein the control device closes the entrance door arrangement if an analysis of the sensor data indicates that a person:
• a) is walking back in the passage area toward the entrance door arrangement;
• and/or
• b) is walking back towards the passage area after the exit door arrangement;
• a malfunction operating mode entered in response to a detection by the sensor of an object in the passage area and wherein the control device opens the exit door arrangement and closes the entrance door arrangement as long as the analysis of the sensor data shows that the object is located in the passage area;
• a normal operating mode, wherein people can walk from the entrance door arrangement toward the exit door arrangement and exit the one-way passage system at the exit door arrangement;
• a lock operating mode, wherein the control device is further configured to open the exit door arrangement when the entrance door arrangement is predominantly or completely closed;
• and
• a restricted operating mode, wherein the control device is further configured to close the entrance door arrangement and the exit door arrangement;
• and
• an illumination device, which is arranged in the passage area and which is configured to illuminate the passage area in different colors;
• wherein the control device is further configured to control the illumination device such that it illuminates the passage area with different colors depending on the operating mode of the control device.