| 摘要 |
A system for control of traffic lights (104) in a traffic light system (100). The system is intended to control alternative light signals (228) when a regular traffic light (104) is out of function, by in a simple way plugging in main- and slave modules (206, 204). After that, the alternative traffic light is controlled by means of control signals from a control device (112) by means of radio signals between the main module (206) and the slave module (204) and the thereto-belonging alternative traffic light. The traffic light system comprises: at least one signal lamp (108) provided with light signals (110) controlled by the control device, the main module being connected directly/iindirectly to the control device and the slave module being connected to a slave signal lamp (202), which in turn is connected to the alternative light signals (226). The slave module can also be connected to an actuating device (224). These modules communicate with each other by means of radio signals. Every module includes an antenna (218), a switch (222, 216), a control unit (208), 214) and a transceiver (210, 212). |
