PURPOSE: A multi-stage plant refrigerator for hydroponic culturing using LEDs is provided to enable users to grow fresh eco-friendly pollution-free plants regardless of environmental elements. CONSTITUTION: A multi-stage plant refrigerator for hydroponic culturing using LEDs comprises the following: a main body preventing the insertion of harmful insects into the refrigerator, and protecting the controlled environment inside of refrigerator； wheels attached to the main body for easily moving the refrigerator； a thermoelectric semiconductor(10) for controlling the temperature inside the refrigerator； a CO2 controller measuring CO2 inside the main body, and displaying the detected value to a CO2 gas container and a dual controller(12)； a humidity controller(16) controlling the humidity of the refrigerator； a nutrient solution system(13) producing a nutrient solution for mixing with water in a hydroponic culture bed to grow plants； and a temperature sensor(14) for controlling the temperature of the nutrient solution.본 발명은 LED 수경재배 다단형 식물냉장고에 관한 것으로서, 일반적인 수경재배의 환경적인 문제를 해결하기 위하여 냉장고 및 케이스 안에서의 인위적으로 환경을 컨트롤이 이루어진 것을 특징으로 한다. 또한 이동형으로 가정이나 상업공간에서 사용이 편리하다.
