Wireless Hall-current sensing transmitter

The utility model relates to a wireless Hall-current sensing transmitter including a sampling unit, a signal processing unit, and a wireless transmitting unit, wherein the above three units are in sequential connection; the sampling unit includes a Hall current sensor U1 and a sampling resistor Rs, a voltage of 15V is applied to the Hall current sensor U1, the Hall current sensor U1 is connected with one end of the sampling resistor Rs via a pin M, and the other end of the Rs is grounded; the signal processing unit includes a diode clamp circuit composed of a power supply of 3.3 V, a germanium diode D1, and a germanium diode D2; the wireless transmitting unit includes a CC2430 chip U2 and antennas; and a resistor R1 is connected between the sampling unit and the signal processing unit, and a capacitor C1 is connected between the signal processing unit and the wireless transmitting unit. The transmitter converts current sampling signals into wireless signals to transmit, and has advantages of low cost, low pow