Bird repelling device

The patent of the invention relates to a fruit protection device and specifically relates to a wind-powered fruit protection device. In a farmland, fruits are often infringed by birds; common scarecrows cannot move without a wind; and the birds can quickly get adapted to the scarecrows. The device provided by the invention is composed of a fan, a rigid air duct and flexible long arms and is characterized in that the fan is connected to the rigid air duct, and the rigid air duct is connected to the flexible long arms; when the fan works, each arm is repeatedly inflated and deflated; and the long arms look like multiple waving arms and can effectively repel the birds. The device has the advantages of a simple structure, easy manufacture, a low price and applicability for generalization and application. 本发明专利涉及种护果器，具体的说就是种风动力果实保护器。在农田里，经常受到鸟类的侵害，常见的稻草人在无风时不会动鸟类很快能适应。本发明包括由风机，刚性风道，柔性长臂组成，其特征在于：风机连接在刚性风道上，刚性风道连接柔性长臂上。风机工作时每条臂都反复充、放气。就象条条挥舞的手臂样。起到了驱鸟的作用。本装置结构及制作简单、价格低廉，适合推广应用。