The invention discloses a portable
payment system based on
the Internet of Things. The portable
payment system comprises a
machine body, a
signal lamp, a reading magnetic card, a charging port, a
liquid crystal screen, a groove, a finger ring, a socket, a
handle, a battery box, a box cover, a fixing belt, a buckle, a storage chamber, a knob, a
rope winding rod, a
signal receiver and a connecting column. The beneficial effects of the invention are as follows: the battery box is arranged in the
handle, the battery in the battery box is not used under the normal condition; and when power is
cut off or electric quantity in the device is exhausted, the device is used as a
standby power supply; therefore, the device can cope with emergencies under the condition of power failure, use of the device is prevented from being affected by power failure, the battery box is hidden in the
handle, the size of the device is not occupied, the storage chamber is arranged on the back face of the
machine body, the knob is arranged at the top of the storage chamber and connected with the
rope winding rod in the storage chamber, and the fixing belt can be effectively controlled. The device has the advantages of being convenient to carry and having an emergency function.