Constant-temperature planting shed for winged bean breeding

The utility model provides a constant-temperature planting shed for winged bean breeding, which comprises a first air inlet, a first ventilation pipeline, a second ventilation pipeline, a third ventilation pipeline, pipe heads, bolts, an air heater, an exhaust fan, supporting rods, a solar panel, a storage battery, a temperature sensor, a control module, a fan and a shed body, the steel pipe framework is in an isosceles trapezoid shape, the plastic heat preservation film is laid on the surface of the steel pipe framework, the storage battery can store power supplied by the solar panel, the storage battery can also be powered by an external power source, the solar panel is laid at the upper end of the greenhouse body, and the storage battery is arranged on the inward face of the top end of the greenhouse body. The first air inlet penetrates through the side, close to the top end, of the greenhouse body, one end of the pipe head is connected with the end, away from the greenhouse body, of the first air inlet an