Short message communication device for motor protector

The utility model discloses a short message communication device for a motor protector. The structure of the short message communication device comprises a casing, a chip, a communication integration, and a signal collection oscillator, wherein the chip, the communication integration and the signal collection oscillator are arranged in the casing and connected with a circuit board, an antenna interface used for transmitting a wireless signal and for installing an antenna and a handset card holder used for installing a handset card are arranged in the casing, and a switching power supply and a buzzer that are connected with the circuit board are arranged in the casing. The periphery in the casing is provided with an external power socket, an external interface, and a signal indicating lamp that are connected with the circuit board. The short message communication device is used in a motor protector communication system, sends contents to a handset via the method of short messages, and uses the handset to write