Grenade throwing positioning device and method

The invention provides a grenade throwing positioning device and method.The grenade throwing positioning device comprises a supporting platform, a laser radar, grating sensors, a wireless transmission module, a photovoltaic power generation device and a stabilized voltage supply, the supporting platform is a rectangular frame, the grating sensors are arranged along the four edges of the rectangular frame, and the wireless transmission module is connected with the photovoltaic power generation device; the transmitting units and the receiving units of the grating sensors are arranged on two parallel edges in a one-to-one correspondence manner; the laser radar is arranged at the top of the supporting platform; electric energy generated by the photovoltaic power generation device is stored in the voltage-stabilized source, the voltage-stabilized source is connected with the laser radar, the grating sensor and the wireless transmission module, and the laser radar, the grating sensor and the wireless transmission m