The design is divided into three parts,namely,schematics,circuit diagrams and instructions for use,and where relevant,to note.When the drag conveyor belt runs empty containers to the appropriate location,the use of limit switch accurate positioning,the conveyor belt to stop a conveyor belt at the same time connected to another product with the conveyor belt running from the sensors into the box the product count,and the display displayed.
Sensor selection infrared sensor,through the product through the infrared to count the number of times.Whenever to a product,it will produce a corresponding pulse,send it to your counter.Composed of 8421 yards with CD4518 counter synchronous decimal counter,because CD4518 contains two identical counters,can be first-class Q4 output then the second pole of EN-side to form two serial counting,to achieve a count of 0 99顯示.Through the sensor sensing sensors,counters count,the numbers displayed on the monitor.Decoding circuit using two CD4543,were grouped into seven-segment BCD decoder,drivers,LED digital display.
In addition,the use of two auxiliary circuit indicator light on the two motors to display operation status,helping to repair the circuit fault.
Keywords:trip switches,infrared sensors,counters,displays,light