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Wood Laser Engraving Machine

Interference is an inevitable phenomenon in industrial sites and practical applications. The anti-interference performance of the system is an important indicator of system reliability. The printed circuit board is a highly integrated set of devices, signal lines, and power lines, and its design has a great influence on the ability to resist interference. In the design of the Wood Laser Engraving Machine, the following anti-interference measures are mainly used: Digital and analog circuits are separated: Ordinary optocouplers or high-speed optocouplers are used to isolate the internal circuits and external mechanical input signals, and their power and ground lines are separated.

Configure digital filter: For several signals of the FPGA chip, reset, alarm, return to zero, etc., can cause the system to reset or stop. In order to increase system reliability, a digital filter should be added, which can be implemented in software using VHDL language. Pass these signals through several stages of D flip-flops (the number of stages depends on the situation), and then perform logical AND or logical OR on the signals at each stage. With the continuous development of optoelectronic Laser Engraver technology and large-scale integrated circuits, laser engraving will definitely be more widely used, which will promote the application and development of DSP and FPGA in related fields. In the foreseeable future, DSP technology and FPGA will surely be more widely used in many fields such as aerospace, communications, and laser engraving, which will further promote the further development of these technologies.