Unmanned aerial vehicle power supply for low-temperature environment

The invention discloses an unmanned aerial vehicle power supply for a low-temperature environment, and belongs to the field of unmanned aerial vehicles. The unmanned aerial vehicle power supply comprises a power supply module A, a power supply module B, a power supply module C, a temperature control module, a left aileron steering engine power supply module, a right aileron steering engine power supply module, a lifting steering engine power supply module, a left direction steering engine power supply module, a right direction steering engine power supply module, a 12V voltage-stabilizing output module, a 5V voltage-stabilizing output module and a voltage-stabilizing output module, wherein the power supply module A is used for supplying power to a steering engine on an unmanned aerial vehicle; the power supply module B is used for supplying power to electric equipment outside the steering engine of the unmanned aerial vehicle; the power supply module C is used for supplying power to the temperature control module; the temperature control module is connected with the power supply module A, the power supply module B and the power supply module C respectively, and is used for acquiring temperature of the power supply modules; when detected temperature is lower than a set value, the power supply modules are heated to preset temperature; the 12V voltage-stabilizing output module and the 5V voltage-stabilizing output module are used for supplying power to vehicle-mounted avionics devices; the voltage-stabilizing output module is used for supplying power to vehicle-mounted equipment with different voltage requirements. By adopting the technical scheme of the invention, the property of the unmanned aerial vehicle power supply in the low-temperature environment is improved, and the reliability of a power supply system is improved.