HEAT COLLECTING AND RELEASING SYSTEM AND METHOD FOR GREENHOUSE

Disclosed is a heat collecting and releasing system for a greenhouse, comprising: collecting and releasing channel, wherein the heat collecting and releasing channel is arranged on a wall and/or a roof of a greenhouse, and the heat collecting and releasing channel is located in the greenhouse, the wall and/or the roof; the heat collecting and releasing channel is used for circulating a first medium; the wall and the roof of the greenhouse are both made of transparent materials and internally provided with vacuum layers, and the vacuum layers are used for preventing the heat in the heat collecting and releasing channel from being dissipated to the outside of the greenhouse; a heat storage box, used for storing a second medium; a heat exchange device, used for exchanging heat between the first medium and the second medium; and a fan, used for providing power for circular flow of the first medium. Also disclosed is a heat collecting and releasing method. The method comprises: when sunlight is strong in daytime a