Air bag for in-vivo sampling of plant volatile organic compounds

The utility model discloses an air bag for in-vivo sampling of plant volatile organic compounds, and belongs to the technical field of air sampling. The air bag is composed of an air bag body and a sealing clamp, and is characterized in that the air bag body is composed of a gas enrichment bag and an inflation shaping bag fixedly connected with the outer side wall of the gas enrichment bag; the gas enrichment bag comprises a cylindrical first cavity, a circular-truncated-cone-shaped second cavity and an opening, and a gas outlet is formed in the circular bottom face of the first cavity; an inflation inlet is formed in the side wall of the inflation shaping bag. The in-vivo sampling device is simple in structure, ingenious in design, convenient to carry and operate and particularly suitable for in-vivo sampling of volatile organic compounds of field plants. 一种用于植物挥发性有机物活体采样的气袋，属于气体采样技术领域。该气袋由气袋本体和密封夹构成，其特征在于：所述气袋本体由气体富集袋和与其外侧壁固定连接的充气定型袋构成；所述气体富集袋包括圆柱状的第一腔体、圆台状的第二腔体、以及开口，第一腔体的圆形底面设有出气口；所述充气定型袋的侧壁上设有充气口。本发明结构简单，