GREENHOUSE VENTILATION DEVICE Russian patent published in 2021 - IPC A01G9/24 

FIELD: agriculture.

SUBSTANCE: invention can be used in agriculture when growing plants in greenhouses, mostly remote from the place of residence of people garden plots and farms. The device for ventilating the greenhouse contains a fixed unit installed in it. A movable bucket is suspended from the rim of the block on a flexible rod, in which the axis of the hinge joint of the handle of the bucket with the bucket is located just below the center of gravity of the bucket filled with water, but above the center of gravity of the empty bucket. Also, the ends of two cables are attached to the rim of the block, each of which passes through the opposite greenhouse door and is connected to it by a detachable connection. A counterweight is suspended at the other end of each cable that bends around a fixed block outside the greenhouse. In addition, an adjustable door angle limiter is installed on each greenhouse door. In the horizontal plane of the cable of each door, a part in the form of a sector of a circle with a groove along the arc of the sector's circumference is mounted to it on both sides, and the centers of the sectors of the circle are located on the axis of rotation of the door. In addition, water from a water supply source through a tube through a water flow rate regulator enters a tank located in the upper part of the greenhouse. A drain pipe is attached to the bottom of the tank, equipped with a water flow rate regulator. The other end of the tube is fixed above the bucket in the uppermost position. An overflow pipe is connected to the side of the tank, the other end of which is fixed above the sink, connected to a perforated pipe located in the ground.

EFFECT: use of the invention will allow during the working week maintaining the optimum temperature for plants in the greenhouse in automatic mode without the presence of a person.

1 cl, 2 dwg