Agricultural multi-span greenhouse with top type exhaust device

The utility model provides an agricultural multi-span greenhouse with a top exhaust device, which comprises a multi-span greenhouse body, honeycomb bottom-shaped structure heat absorbing plates are respectively arranged at the lower part of the multi-span greenhouse body, and the agricultural multi-span greenhouse is characterized in that the top exhaust device is arranged at the upper part of the inner side of the multi-span greenhouse body; the lower portion of the top exhaust device is provided with a plurality of layers of exhaust frame structures. A top diaphragm is further arranged on the upper portion of the inner side of the multi-span greenhouse body and located on the lower portion of the top exhaust device. By means of the pressure discharging holes, it can be avoided that when the air inlet pipe at a single position is blocked, large negative pressure is generated in the transverse conveying pipe, and the service life of the exhaust fan is affected. 本实用新型提供一种顶式排风装置的农业连栋温室，包括连栋温室本体，所述的连栋温室本体的下部分别设置