Multichannel USB interface data acquisition device

The utility model discloses a multichannel USB interface data acquisition device. Data acquisition instrument, a plurality of USB interfaces are arranged on one side surface of the data acquisition instrument; all the USB interfaces are orderly arranged in a matrix; a rectangular cover is arranged on the side surface, where the USB interface is located, of the data acquisition instrument; all theUSB interfaces are positioned in the rectangular cover; openings communicated with all the USB interfaces are formed in the side surface, opposite to the USB interfaces, of the rectangular cover; dustproof cloth for sealing the opening is arranged on the side face of the rectangular cover where the opening is located, the dustproof cloth is bonded with the side face of the rectangular cover through hook-and-loop fasteners, the hook-and-loop fasteners are arranged on the dustproof cloth and the side face of the rectangular cover, and the hook-and-loop fasteners on the dustproof cloth are connected with the hook-and-loo