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Laser power supply technician is an important member of the operation of equipment, but in the operation of laser power supply, will also encounter a variety of difficult problems, today our factory technicians summed up the following problems, and according to the problem one by one to solve the problem, these problems are very key, I hope to pay attention to.▲ Power failure: Because the laser power supply system, especially the high-power laser power supply system needs a lot of voltage, the power supply related problems will produce inconsistent output power, leading to catastrophic damage.

Laser operators should have the relevant technical knowledge of laser power supply system. If the large-scale laser power supply system has an emergency situation during operation, the laser operators should diagnose and repair the fault as soon as possible to ensure the normal operation of the laser system. There are many reasons for the power problems of laser power supply. Here, we will list the following five problems which are easy to appear in the operation of laser system for discussion.1.

Design and implementation of semiconductor laser power supplyIn order to improve the stability of the optical power output of the semiconductor laser and ensure the safe and reliable operation of the laser, the semiconductor laser power supply can be designed according to the following introduction. The main circuit of driving power adopts synchronous DC/DC mode, which has high output efficiency. The driving circuit can generate 200kHz trigger pulse, which can reduce the ripple of output current and ensure the stability of the output power of the laser.

Power supply precautions and fault detection methods of laser cutting machineLaser cutting machine power use precautionsLaser cutting machine in the process of use, to the various components of the equipment for good maintenance, to ensure the normal operation of the machine. Laser power supply is one of the most important parts in laser cutting machine equipment, improper use is easy to cause damage to the power supply, affect the normal production.

Development of CO2 laser power supplyCO2 laser power supply accompanied with the development of CO2 laser, the initial application in the 1970s, and later with the progress of technology, the application field continues to expand.

Technical Trends of Switching Power Supply AbroadSince the 1990s, the development of switching power supply has changed with each passing day. Many new fields and new requirements put forward newer and higher challenges to switching power supply. If we observe from the input and output window of a switching power supply, we can find that the input requirements have become more stringent, and products that do not meet the IEC1000-3-2 standard will be gradually eliminated; The output has derived many special application fields, and the difficulty of research and development has become greater.

Selection and use of semiconductor laser power supplyFirst, the basic requirements of semiconductor laser power supply1. Constant current output: short-circuit constant current output, load changes or short-circuit automatic adaptation.2. Output current ripple: ripple, noise and rated output current cannot exceed the maximum current that the laser tube can bear.3. Output voltage ripple: Ripple voltage noise will not damage the laser immediately, but if serious, it will affect the life of the laser.4. Soft start: Slow start current curve, no overshoot.5.

The control part of pulsed laser power supply mainly consists of signal source, signal processing and delay regulation, pulse power amplification, energy storage voltage control and other circuits. The main circuit structure of the pulsed laser power supply we developed adopts resonant switching technology, which can be closed when the current passes zero, effectively reducing the switching loss and improving the conversion efficiency.

Switch power output protection policyIn all switching power supply designs, protection against load and protection against power supply due to load failure is a very important aspect to be considered in the design. In the design of military products, a kind of work called failure mode and impact analysis is often required. In this work, each part of the circuit is assumed to be an open circuit fault and then a short circuit fault. In this case, analyze separately how each fault will affect the rest of the circuit.

Laser power supply technicians are important members of the operation of laser equipment, but in the operation of laser power supply, will also encounter all kinds of difficulties, today we summarized some of the first-line manufacturers of technical personnel to provide common problems to discuss with you:▲ Power failure:Problems occur: Because the laser power supply system, especially the high-power laser power supply system requires a large amount of voltage, if the voltage is not stable, it will produce inconsistent output power, resulting in catastrophic damage.Solution: If you do not hav