Suction force adjustment method

Abstract

A suction force adjustment method is provided. An optical detection unit is disposed on a suction path of a suction pipe to detect an object flowing through the suction pipe. Physical features of the object are determined according to a sensing result of the optical detection unit. A suction force of a suction unit is regulated based on the physical features of the object.

What is claimed is: 
     
         1 . A suction force adjustment method for a suction device comprising a suction unit and a suction pipe connected to the suction unit, wherein a suction force is provided in the suction pipe to suck an object, the suction force adjustment method comprising:
 providing at least one linear light source, wherein the at least one linear light source provides a light curtain formed by a plurality of beams, the light curtain is located on a suction path of the suction pipe, and the object passes through the light curtain along the suction path;   providing at least one sensor group, wherein the at least one linear light source and the at least one sensor group are disposed on both sides of the suction path, and the at least one sensor group senses the beams uninterrupted by the object to be tested and generates a sensing signal, each sensor group includes a plurality of sensor units, the plurality of sensor units are disposed at equal intervals corresponding to the at least one linear light source, and the plurality of sensor units periodically and continuously sense the beams that are not interrupted by the object and generate an intensity distribution of a plurality of sets of sensing signals;   determining physical features of the object according to an image composed of the intensity distribution of the plurality of sets of the sensing signals;   regulating the suction force of the suction unit based on the physical features of the object; and   adjusting operating parameters of the at least one linear light source and the at least one sensor group according to the suction force of the suction unit.   
     
     
         2 . The suction force adjustment method for the suction device of  claim 1 , comprising:
 displaying an image of the object according to the sensing signal.   
     
     
         3 . The suction force adjustment method for the suction device of  claim 1 , wherein the physical features of the object comprise at least one of transparency, quantity, density, shape, and size of the object. 
     
     
         4 . The suction force adjustment method for the suction device of  claim 1 , wherein the beams are visible light or invisible light, and the at least one sensor group comprises a visible light sensor or an invisible light sensor. 
     
     
         5 . The suction force adjustment method for the suction device of  claim 1 , wherein the operating parameters of the at least one linear light source and the at least one sensor group comprise a frequency of enabling the at least one linear light source and the at least one sensor group, a beam intensity of the at least one linear light source, and a sensitivity of the at least one sensor group. 
     
     
         6 . The suction force adjustment method for the suction device of  claim 1 , comprising:
 communicating wirelessly with a remote control device, transmitting at least one of status information of the suction device and feature information of the object to the remote control device, receiving a suction-force adjustment command from the remote control device, and adjusting the suction force of the suction unit according to the suction-force adjustment command.   
     
     
         7 . The suction force adjustment method for the suction device of  claim 6 , wherein the feature information of the object comprises image data of the object, and the remote control device displays an image of the object according to the image data of the object.