Signal receiver for information system

The utility model provides a signal receiver for an information system, belongs to the technical field of signal receivers, and aims to solve the problems that in the using process of an existing signal receiver, when an antenna of the signal receiver is collided, the antenna is long and is easy to break after being collided, so that the signal receiver cannot be used, and economic loss is caused. A bottom shell is connected to the lower end face of a shell in a sliding mode. The power line is fixedly installed on the rear end face of the shell. The fixing piece is fixedly installed on the rear end face of the shell. The hinge rod is hinged to the outer side of the fixing piece. The number of the fixing shells is two, and the two fixing shells are fixedly connected to the inner side of the shell. The installation heat dissipation mechanism is arranged on the inner side of the shell. The protection mechanism is arranged on the inner side of the hinge rod; through the arrangement of the utility model, the insta